styles.css

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
    --bg-primary: #050811;
    --bg-secondary: #0a0f1e;
    --text-primary: #ffffff;
    --text-secondary: #8b95b0;
    --accent-color: #00e5ff;
    --accent-hover: #00b8d4;
    --accent-warm: #ffab00;
    --card-bg: #0e1629;
    --border-color: #1a2438;
    --gradient-hero: linear-gradient(135deg, #0a4d68 0%, #00e5ff 50%, #ffab00 100%);
    --gradient-mesh: radial-gradient(at 20% 30%, rgba(0, 229, 255, 0.15) 0%, transparent 50%),
                     radial-gradient(at 80% 70%, rgba(255, 171, 0, 0.1) 0%, transparent 50%),
                     radial-gradient(at 50% 50%, rgba(10, 77, 104, 0.2) 0%, transparent 70%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    background-image: var(--gradient-mesh);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 229, 255, 0.03) 2px, rgba(0, 229, 255, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0, 229, 255, 0.03) 2px, rgba(0, 229, 255, 0.03) 4px);
    background-size: 100px 100px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 1;
}

.slides-container {
    position: relative;
    height: 100%;
    width: 100%;
    z-index: 2;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, visibility 0.5s;
    display: flex;
    flex-direction: column;
    padding: 60px 80px;
    /* Remove old gradient to avoid conflict/clutter, rely on ::before */
    background: transparent; 
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

/* Center Content Slide (Cover/End) */
.slide-content.center {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.ai-credits {
    margin-top: 30px;
    font-size: 0.95rem; /* Increased size */
    color: var(--text-secondary);
    opacity: 0.8; /* Increased visibility */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
}

/* Common Background Style for All Slides - Updated to multi-layered tech aesthetic */
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle at center, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
    animation: pulseGlow 8s ease-in-out infinite;
}

.slide::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at center, rgba(255, 171, 0, 0.06) 0%, transparent 70%);
    filter: blur(100px);
    z-index: 0;
    pointer-events: none;
    animation: pulseGlow 10s ease-in-out infinite reverse;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Ensure content is above background */
.slide-content {
    flex: 1;
    overflow-y: auto;
    position: relative;
    z-index: 2;
}

.main-title {
    font-size: 3.5rem;
    line-height: 1.15;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    font-weight: 800;
    max-width: 1000px;
    position: relative;
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes titleSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 80px;
    font-weight: 300;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
}

.slide.active .subtitle {
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.presenter-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 0;
    border-top: none;
    position: relative;
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
}

.slide.active .presenter-info {
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.presenter-info::before {
    content: '';
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    margin: 0 auto 25px auto;
    display: block;
    border-radius: 2px;
}

.presenter-info p:first-child {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.presenter-info p:last-child {
    font-size: 0.9rem !important;
    color: var(--text-secondary) !important;
    opacity: 0.8;
    margin-top: 0 !important;
}

.contact-info {
    font-size: 1.3rem;
    color: var(--text-primary);
    border-top: 2px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--accent-color), var(--accent-warm), transparent) 1;
    padding-top: 25px;
    margin-top: 40px;
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
    opacity: 0;
}

.slide.active .contact-info {
    animation: titleSlideIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 12px 24px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-email:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.15);
    text-decoration: none;
}

.contact-email svg {
    stroke: var(--accent-color);
    transition: transform 0.3s ease;
}

.contact-email:hover svg {
    transform: scale(1.1) rotate(-5deg);
}

.contact-email span {
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
    line-height: 1; /* Reset line-height to fix vertical alignment */
    display: block; /* Ensure block-level behavior for alignment */
    padding-top: 2px; /* Visual optical alignment */
}

/* Standard Slide Layout */
.slide-header {
    margin-bottom: 40px;
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, var(--accent-color), var(--accent-warm), transparent) 1;
    padding-bottom: 20px;
    position: relative;
    z-index: 2;
}

.slide-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
    display: inline-block;
    background: linear-gradient(135deg, var(--text-primary) 0%, rgba(0, 229, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-content {
    flex: 1;
    overflow-y: auto; /* Allow scrolling within slide if content is too long */
}

/* Big Statement - Enhanced with diagonal accent */
.big-statement {
    font-size: 2.8rem;
    text-align: center;
    margin: 60px 0;
    font-weight: 300;
    line-height: 1.4;
    position: relative;
    padding: 40px;
}

.big-statement::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) rotate(-2deg);
    width: 120%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(255, 171, 0, 0.03) 100%);
    border-radius: 20px;
    z-index: -1;
}

.big-statement p {
    position: relative;
    z-index: 1;
}

.highlight {
    color: var(--accent-color);
    font-weight: 700;
}

/* Vertical Center Slide Content */
.slide-content.vertical-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 60px; /* Optical center adjustment */
}

.bullet-points {
    font-size: 1.6rem;
    max-width: 900px;
    margin: 60px auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bullet-points li {
    margin-bottom: 0; /* Use gap in flex container instead */
    position: relative;
    padding: 35px 45px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.4) 0%, rgba(10, 15, 30, 0.2) 100%);
    border-radius: 20px;
    border-left: 4px solid var(--accent-color);
    border-right: 1px solid rgba(0, 229, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    line-height: 1.6;
}

.bullet-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-color), var(--accent-warm));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.bullet-points li:hover {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.7) 0%, rgba(10, 15, 30, 0.4) 100%);
    transform: translateX(12px);
    box-shadow: 0 15px 40px rgba(0, 229, 255, 0.15);
    border-left-color: var(--accent-warm);
}

.bullet-points li:hover::before {
    opacity: 1;
}

.bullet-points li strong {
    color: var(--accent-color);
    font-size: 1.3em;
    display: block;
    margin-bottom: 12px;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.highlight-text {
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-underline-offset: 4px;
}/* Grid Layouts - Enhanced with staggered animations */
.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 30px;
    height: 100%;
}

.slide.active .grid-2x2 .card {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.slide.active .grid-2x2 .card:nth-child(1) {
    animation-delay: 0.1s;
}

.slide.active .grid-2x2 .card:nth-child(2) {
    animation-delay: 0.2s;
}

.slide.active .grid-2x2 .card:nth-child(3) {
    animation-delay: 0.3s;
}

.slide.active .grid-2x2 .card:nth-child(4) {
    animation-delay: 0.4s;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(14, 22, 41, 0.3) 100%);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.2);
}

.card:hover::before {
    transform: scaleX(1);
}

.card .icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(255, 171, 0, 0.1));
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    transition: all 0.3s ease;
}

.card:hover .icon {
    transform: rotate(5deg) scale(1.05);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(255, 171, 0, 0.2));
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.3);
}

/* SVG Icon Styles */
.card .icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Section Description */
.section-desc {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.08em;
    padding: 15px 30px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.05), rgba(255, 171, 0, 0.03));
    border-radius: 12px;
    border: 1px solid rgba(0, 229, 255, 0.15);
    display: inline-block;
    margin-left: 50%;
    transform: translateX(-50%);
}

/* Solution Layout - Enhanced with diagonal flow */
.solution-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 30px;
    position: relative;
}

.solution-row::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -5%;
    right: -5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.3) 20%, rgba(0, 229, 255, 0.3) 80%, transparent);
    transform: rotate(-1deg);
    z-index: 0;
}

/* Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-box {
    flex: 1;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.5) 0%, rgba(10, 15, 30, 0.3) 100%);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-top: 3px solid var(--accent-color);
    text-align: left;
    position: relative;
    backdrop-filter: blur(10px);

    /* Animation Initial State */
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.solution-box::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* Trigger Animation when Slide is Active */
.slide.active .solution-box {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.slide.active .solution-box:nth-child(1) {
    animation-delay: 0.1s;
}
.slide.active .solution-box:nth-child(2) {
    animation-delay: 0.3s;
}
.slide.active .solution-box:nth-child(3) {
    animation-delay: 0.5s;
}

.solution-box:hover {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.8) 0%, rgba(10, 15, 30, 0.6) 100%);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.25);
    border-color: var(--accent-color);
}

.solution-box:hover::before {
    opacity: 1;
}

.solution-box h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--accent-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.solution-icon {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 12px;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    transition: all 0.3s ease;
}

.solution-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.solution-box:hover .solution-icon {
    transform: rotate(5deg) scale(1.1);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(255, 171, 0, 0.2));
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.4);
}

.solution-box p {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.solution-box p strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Table - Futuristic redesign */
.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
    margin-top: 30px;
    font-size: 1.2rem;
}

.comparison-table thead tr {
    background: transparent;
}

.comparison-table th {
    padding: 20px;
    text-align: left;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
}

.comparison-table tbody tr {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.4) 0%, rgba(10, 15, 30, 0.2) 100%);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
}

.comparison-table tbody tr:hover {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.7) 0%, rgba(10, 15, 30, 0.4) 100%);
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.15);
}

.comparison-table td {
    padding: 25px 20px;
    border: none;
    text-align: left;
}

.comparison-table tbody tr td:first-child {
    border-left: 3px solid var(--accent-color);
    border-radius: 10px 0 0 10px;
}

.comparison-table tbody tr td:last-child {
    border-radius: 0 10px 10px 0;
}

.comparison-table td:nth-child(2) {
    color: var(--text-secondary);
    font-style: italic;
}

.comparison-table td:nth-child(3) {
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.08), transparent);
    font-weight: 600;
    color: var(--text-primary);
}

/* Flex Layout (Text + Visual) */
.flex-layout {
    display: flex;
    gap: 50px;
    align-items: center;
    height: 100%;
}

.text-block {
    flex: 1;
}

.text-block h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.feature-list {
    font-size: 1.25rem;
    line-height: 1.7;
}

.feature-list li {
    margin-bottom: 25px;
    padding-left: 35px;
    position: relative;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.4);
}

.feature-list li::after {
    content: "✓";
    position: absolute;
    left: 5px;
    top: 6px;
    color: #050811;
    font-size: 0.75rem;
    font-weight: bold;
}

.visual-block {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Mockups - Enhanced with depth and glow */
.mockup {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.8) 0%, rgba(10, 15, 30, 0.6) 100%);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    width: 100%;
    max-width: 500px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.chat-bubble {
    padding: 18px 24px;
    border-radius: 16px;
    margin-bottom: 18px;
    font-size: 1.05rem;
    line-height: 1.5;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.chat-bubble.user {
    background: linear-gradient(135deg, rgba(26, 36, 56, 0.9) 0%, rgba(20, 30, 48, 0.8) 100%);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    margin-left: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-bubble.ai {
    background: linear-gradient(135deg, var(--accent-color) 0%, rgba(0, 184, 212, 1) 100%);
    color: #050811;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    margin-right: 40px;
    font-weight: 500;
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.3);
}

.file-icon {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 25px;
    filter: drop-shadow(0 5px 15px rgba(0, 229, 255, 0.3));
}

.arrow {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--accent-color);
    animation: bounceArrow 2s ease-in-out infinite;
}

@keyframes bounceArrow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

.data-block {
    background: linear-gradient(135deg, #001a00 0%, #000d00 100%);
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
    padding: 20px;
    border-radius: 12px;
    font-size: 1.05rem;
    border: 1px solid rgba(0, 229, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
    line-height: 1.6;
}

/* Chart Mockup for Slide 10 */
.chart-mockup {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 300px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(10px);
}

.chart-mockup .bar {
    flex: 1;
    background: linear-gradient(180deg, rgba(0, 229, 255, 0.3), rgba(0, 229, 255, 0.6));
    margin: 0 10px;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 229, 255, 0.4);
    border-bottom: none;
    transition: all 0.3s ease;
}

.chart-mockup .bar.highlight {
    background: linear-gradient(180deg, rgba(255, 171, 0, 0.4), rgba(255, 171, 0, 0.7));
    border-color: rgba(255, 171, 0, 0.5);
    box-shadow: 0 -10px 30px rgba(255, 171, 0, 0.3);
}

.chart-mockup .bar:hover {
    transform: translateY(-5px);
    box-shadow: 0 -15px 40px rgba(0, 229, 255, 0.4);
}

/* Product Matrix */
.product-matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    height: 100%;
}

.matrix-col {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 20px;
    padding: 35px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.matrix-col:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 40px rgba(0, 229, 255, 0.2);
}

.matrix-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 14px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    transition: all 0.3s ease;
}

.matrix-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.matrix-col:hover .matrix-icon {
    transform: rotate(5deg) scale(1.1);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(255, 171, 0, 0.2));
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.4);
}

.matrix-col h3 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.6rem;
    color: var(--accent-color);
}

.p-item {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(255, 171, 0, 0.05) 100%);
    padding: 22px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 229, 255, 0.15);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.p-item:hover {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(255, 171, 0, 0.1) 100%);
    transform: translateX(8px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.2);
}

.p-item h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
}

.p-item p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Business Model */
.business-model-row {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.bm-card {
    flex: 1;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.bm-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.2);
}

.bm-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    transition: all 0.3s ease;
}

.bm-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bm-card:hover .bm-icon {
    transform: rotate(5deg) scale(1.1);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(255, 171, 0, 0.2));
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.4);
}

.bm-card h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.bm-card ul {
    text-align: left;
    display: inline-block;
    font-size: 1.2rem;
}

.bm-card li {
    margin-bottom: 15px;
    color: var(--text-secondary);
}



.ai-credits a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.ai-credits a:hover {
    color: var(--accent-warm);
}

/* Controls - Futuristic redesign */
.controls {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 25px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.9) 0%, rgba(10, 15, 30, 0.8) 100%);
    padding: 12px 30px;
    border-radius: 50px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.controls button {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.controls button:hover {
    color: var(--accent-color);
    background: rgba(0, 229, 255, 0.1);
    transform: scale(1.1);
}

#slide-indicator {
    font-size: 0.95rem;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
    min-width: 70px;
    text-align: center;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* ============================================
   SLIDE 2: 市场现状 - 左右分栏 + 进化时间线
   ============================================ */

.market-layout {
    display: flex;
    gap: 30px;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.market-left {
    flex: 1.1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.market-quote {
    margin-bottom: 40px;
}

.market-quote p {
    font-size: 2.4rem;
    font-weight: 300;
    line-height: 1.5;
    color: var(--text-secondary);
}

.market-quote-highlight {
    font-size: 3rem !important;
    font-weight: 800 !important;
    color: var(--text-primary) !important;
    line-height: 1.3 !important;
    display: block;
    margin-top: 10px;
}

.market-sub {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: 25px;
    border-left: 3px solid var(--accent-color);
}

.market-right {
    flex: 0.9;
    display: flex;
    align-items: center;
}

/* Evolution Timeline */
.evolution-track {
    position: relative;
    padding-left: 40px;
    width: 100%;
}

.evolution-track::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--border-color) 0%, var(--accent-color) 50%, var(--accent-warm) 100%);
    border-radius: 2px;
}

.evo-stage {
    position: relative;
    padding: 30px 0;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.evo-dot {
    position: absolute;
    left: -33px;
    top: 38px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--border-color);
    z-index: 1;
    transition: all 0.3s ease;
}

.evo-stage.past .evo-dot {
    border-color: var(--text-secondary);
    background: var(--text-secondary);
    width: 14px;
    height: 14px;
    top: 40px;
    left: -31px;
}

.evo-stage.present .evo-dot {
    border-color: var(--accent-color);
    background: rgba(0, 229, 255, 0.3);
}

.evo-stage.future .evo-dot {
    border-color: var(--accent-warm);
    background: var(--accent-warm);
    box-shadow: 0 0 20px rgba(255, 171, 0, 0.6);
}

.evo-content {
    flex: 1;
    padding: 25px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.5) 0%, rgba(10, 15, 30, 0.2) 100%);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.evo-stage:hover .evo-content {
    transform: translateX(10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.15);
}

.evo-stage.future .evo-content {
    border-color: rgba(255, 171, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 171, 0, 0.08) 0%, rgba(14, 22, 41, 0.4) 100%);
}

.evo-year {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 8px;
}

.evo-stage.future .evo-year {
    color: var(--accent-warm);
}

.evo-content h4 {
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 700;
}

.evo-stage.future .evo-content h4 {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.evo-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Staggered animations for market slide */
.slide.active .market-quote {
    animation: titleSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
    opacity: 0;
}

.slide.active .market-sub {
    animation: titleSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
}

.slide.active .evo-stage {
    animation: slideInFromLeft 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}
.slide.active .evo-stage:nth-child(1) { animation-delay: 0.2s; }
.slide.active .evo-stage:nth-child(2) { animation-delay: 0.4s; }
.slide.active .evo-stage:nth-child(3) { animation-delay: 0.6s; }


/* ============================================
   SLIDE 3: 为什么现在？ - 三力汇聚
   ============================================ */

.converge-layout {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    position: relative;
}

.converge-center {
    display: flex;
    justify-content: center;
    margin-bottom: 0;
}

.converge-node {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(255, 171, 0, 0.15));
    border: 3px solid var(--accent-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    position: relative;
    box-shadow: 0 0 60px rgba(0, 229, 255, 0.3), 0 0 120px rgba(0, 229, 255, 0.1);
    animation: nodePulse 3s ease-in-out infinite;
    line-height: 1.3;
    text-align: center;
}

.converge-lines {
    width: 100%;
    max-width: 1110px; /* Align with pillars max-width */
    height: 90px;
    margin: -10px auto 0;
    position: relative;
    z-index: 1;
}

.converge-lines svg {
    width: 100%;
    height: 100%;
}

@keyframes nodePulse {
    0%, 100% {
        box-shadow: 0 0 40px rgba(0, 229, 255, 0.3), 0 0 80px rgba(0, 229, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 60px rgba(0, 229, 255, 0.5), 0 0 120px rgba(0, 229, 255, 0.2);
    }
}

.converge-pillars {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.pillar {
    flex: 1;
    max-width: 350px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 20px;
    padding: 35px 30px;
    text-align: center;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.25);
}

.pillar-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.25);
}

.pillar-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pillar-badge {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    color: #050811;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
}

.pillar h3 {
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.pillar p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.pillar-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* Staggered animations for convergence */
.slide.active .converge-node {
    animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
    opacity: 0;
}

.slide.active .converge-lines {
    animation: fadeInLines 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
}

@keyframes fadeInLines {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide.active .pillar {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}
.slide.active .pillar:nth-child(1) { animation-delay: 0.2s; }
.slide.active .pillar:nth-child(2) { animation-delay: 0.35s; }
.slide.active .pillar:nth-child(3) { animation-delay: 0.5s; }


/* ============================================
   SLIDE 4: 四大痛点 - 横向编号瀑布流
   ============================================ */

.pain-layout {
    display: flex;
    align-items: center;
    height: 100%;
}

.pain-strip {
    display: flex;
    gap: 20px;
    width: 100%;
}

.pain-item {
    flex: 1;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.5) 0%, rgba(10, 15, 30, 0.2) 100%);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    padding: 30px 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

/* alternating offset for visual rhythm */
.pain-item:nth-child(even) {
    margin-top: 40px;
}
.pain-item:nth-child(odd) {
    margin-bottom: 40px;
}

.pain-item:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 100, 100, 0.5);
    box-shadow: 0 20px 60px rgba(255, 100, 100, 0.15);
}

.pain-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
    position: absolute;
    top: 10px;
    right: 15px;
    pointer-events: none;
    transition: color 0.4s ease;
}

.pain-item:hover .pain-num {
    color: rgba(255, 100, 100, 0.1);
}

.pain-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.pain-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 100, 100, 0.12), rgba(255, 171, 0, 0.08));
    border-radius: 14px;
    border: 1px solid rgba(255, 100, 100, 0.2);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.pain-icon svg {
    width: 26px;
    height: 26px;
    stroke: #ff6b6b;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pain-item:hover .pain-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 8px 20px rgba(255, 100, 100, 0.3);
}

.pain-body h3 {
    font-size: 1.5rem;
    color: #ff6b6b;
    margin-bottom: 15px;
    font-weight: 800;
}

.pain-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
}

.pain-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 100, 100, 0.08);
    border: 1px solid rgba(255, 100, 100, 0.2);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #ff6b6b;
    font-weight: 600;
    margin-top: 20px;
    text-align: center;
    letter-spacing: 0.05em;
}

/* Staggered animations for pain points */
.slide.active .pain-item {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}
.slide.active .pain-item:nth-child(1) { animation-delay: 0.1s; }
.slide.active .pain-item:nth-child(2) { animation-delay: 0.2s; }
.slide.active .pain-item:nth-child(3) { animation-delay: 0.3s; }
.slide.active .pain-item:nth-child(4) { animation-delay: 0.4s; }


/* ============================================
   SLIDE 5: 解决方案 - 痛点→方案映射卡片
   ============================================ */

.solution-overview-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center; /* Center content vertically */
    padding-bottom: 40px; /* Optical adjustment */
}

.solution-tagline {
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.tagline-badge {
    display: inline-block;
    padding: 6px 18px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    color: #050811;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'JetBrains Mono', monospace;
}

.solution-tagline h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.solution-cards-v2 {
    display: flex;
    gap: 30px;
    /* Removed flex: 1 to prevent stretching to full height */
    margin-top: 20px;
    align-items: stretch; /* Keep cards same height */
}

.sol-card {
    flex: 1;
    background: linear-gradient(180deg, rgba(14, 22, 41, 0.7) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 20px;
    padding: 35px 30px;
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sol-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sol-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 25px 60px rgba(0, 229, 255, 0.25);
}

.sol-card:hover::after {
    transform: scaleX(1);
}

.sol-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.sol-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.sol-icon-wrap {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 14px;
    border: 1px solid rgba(0, 229, 255, 0.25);
    transition: all 0.3s ease;
}

.sol-icon-wrap svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sol-card:hover .sol-icon-wrap {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.4);
}

.sol-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.sol-card-subtitle {
    font-size: 0.95rem;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 18px;
    letter-spacing: 0.03em;
}

.sol-card-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    /* Removed flex: 1 to let margin-top: auto on tag handle spacing */
}

.sol-card-tag {
    margin-top: auto;
    padding: 14px 18px;
    background: rgba(0, 229, 255, 0.06);
    border-radius: 12px;
    border: 1px solid rgba(0, 229, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.tag-pain {
    font-size: 0.85rem;
    color: #ff6b6b;
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(255, 100, 100, 0.1);
    border-radius: 6px;
    text-decoration: line-through;
    font-family: 'JetBrains Mono', monospace;
}

.tag-arrow {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.tag-fix {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 700;
    padding: 4px 12px;
    background: rgba(0, 229, 255, 0.1);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
}

/* Staggered animations for solution cards */
.slide.active .sol-card {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}
.slide.active .sol-card:nth-child(1) { animation-delay: 0.15s; }
.slide.active .sol-card:nth-child(2) { animation-delay: 0.3s; }
.slide.active .sol-card:nth-child(3) { animation-delay: 0.45s; }


/* ============================================
   SLIDE 6: 为什么选我们 - VS 对决布局
   ============================================ */

.versus-layout {
    display: flex;
    align-items: center;
    height: 100%;
}

.versus-columns {
    display: flex;
    gap: 0;
    width: 100%;
    align-items: stretch;
}

.versus-col {
    flex: 1;
    padding: 40px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
}

.versus-them {
    background: linear-gradient(135deg, rgba(255, 60, 60, 0.06) 0%, rgba(14, 22, 41, 0.3) 100%);
    border: 2px solid rgba(255, 100, 100, 0.15);
    border-radius: 20px 0 0 20px;
}

.versus-us {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(14, 22, 41, 0.3) 100%);
    border: 2px solid rgba(0, 229, 255, 0.2);
    border-radius: 0 20px 20px 0;
}

.versus-header {
    margin-bottom: 35px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.06);
}

.versus-them .versus-header {
    border-bottom-color: rgba(255, 100, 100, 0.15);
}

.versus-us .versus-header {
    border-bottom-color: rgba(0, 229, 255, 0.15);
}

.versus-label {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.versus-them .versus-label {
    color: var(--text-secondary);
}

.versus-us .versus-label {
    color: var(--accent-color);
}

.versus-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    flex: 1;
}

.versus-row {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 20px;
    border-radius: 14px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.versus-them .versus-row {
    background: rgba(255, 100, 100, 0.04);
    border: 1px solid transparent;
}

.versus-us .versus-row {
    background: rgba(0, 229, 255, 0.04);
    border: 1px solid transparent;
}

.versus-them .versus-row:hover {
    background: rgba(255, 100, 100, 0.08);
    border-color: rgba(255, 100, 100, 0.15);
}

.versus-us .versus-row:hover {
    background: rgba(0, 229, 255, 0.08);
    border-color: rgba(0, 229, 255, 0.2);
    transform: translateX(8px);
}

.versus-mark {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.versus-mark svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.versus-mark.bad {
    background: rgba(255, 100, 100, 0.15);
    border: 2px solid rgba(255, 100, 100, 0.3);
}

.versus-mark.bad svg {
    stroke: #ff6b6b;
}

.versus-mark.good {
    background: rgba(0, 229, 255, 0.15);
    border: 2px solid rgba(0, 229, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.3);
}

.versus-mark.good svg {
    stroke: var(--accent-color);
}

.versus-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.versus-text strong {
    font-size: 1.15rem;
    color: var(--text-primary);
    font-weight: 700;
}

.versus-text span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.versus-divider {
    width: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.versus-divider::before {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0.1) 80%, transparent);
    transform: translateX(-50%);
}

.versus-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 100, 100, 0.2), rgba(0, 229, 255, 0.2));
    border: 2px solid rgba(255, 255, 255, 0.15);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* Staggered animations for versus layout */
.slide.active .versus-them {
    animation: slideInFromLeft 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
    opacity: 0;
}

.slide.active .versus-us {
    animation: slideInFromRight 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
    opacity: 0;
}

.slide.active .versus-vs {
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide.active .versus-row {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.slide.active .versus-them .versus-row:nth-child(1),
.slide.active .versus-us .versus-row:nth-child(1) { animation-delay: 0.3s; }
.slide.active .versus-them .versus-row:nth-child(2),
.slide.active .versus-us .versus-row:nth-child(2) { animation-delay: 0.45s; }
.slide.active .versus-them .versus-row:nth-child(3),
.slide.active .versus-us .versus-row:nth-child(3) { animation-delay: 0.6s; }
.slide.active .versus-them .versus-row:nth-child(4),
.slide.active .versus-us .versus-row:nth-child(4) { animation-delay: 0.75s; }


/* ============================================
   SHARED: Scene capability badge + highlights
   ============================================ */

.scene-capability {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 35px;
}

.cap-badge {
    display: inline-block;
    padding: 5px 14px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    color: #050811;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0;
}

.cap-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.scene-highlights {
    display: flex;
    gap: 25px;
    margin-top: 35px;
}

.sh-item {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 18px 22px;
    background: rgba(0, 229, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(0, 229, 255, 0.12);
    transition: all 0.3s ease;
}

.sh-item:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.sh-item svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    margin-top: 2px;
}

.sh-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}


/* ============================================
   SLIDES 7-10: 场景页 - 左右布局 + 动画演示
   ============================================ */

.scene-flex {
    display: flex;
    gap: 80px; /* Increased to avoid being too cramped, balanced spacing */
    align-items: center;
    height: 100%;
    max-width: 1400px; /* Increased max-width */
    margin: 0 auto;
}

.scene-left {
    flex: 1; /* Allow flexible width */
    min-width: 400px; /* Ensure minimum readability */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.scene-left .scene-capability {
    margin-bottom: 30px;
}

.scene-headline {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 35px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scene-desc {
    margin-bottom: 28px;
}

.scene-desc p {
    font-size: 1.25rem; /* Increased */
    color: var(--text-secondary);
    line-height: 1.7;
}

.scene-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px; /* Increased gap */
}

.scene-features li {
    font-size: 1.25rem; /* Increased */
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 32px;
    position: relative;
}

.scene-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 16px; /* Increased size */
    height: 16px; /* Increased size */
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 229, 255, 0.35);
}

.scene-features li strong {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.35rem; /* Increased */
    display: block;
    margin-bottom: 4px;
}

.scene-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end; /* Align to right */
    padding-right: 20px; /* Add padding to prevent cut-off */
}

/* --- Slide 7: Chat Demo Animation --- */
.anim-chat-demo {
    width: 100%;
    max-width: 400px; /* Reduced width */
    transform-origin: center right;
}

.anim-chat-window {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.95), rgba(10, 15, 30, 0.9));
    border: 2px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    /* Removed max-height and overflow-y to prevent scrollbar */
    display: flex;
    flex-direction: column;
}

.anim-chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px; /* Slightly reduced padding */
    background: rgba(0, 229, 255, 0.06);
    border-bottom: 1px solid var(--border-color);
}

.anim-chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    display: flex;
    align-items: center;
    justify-content: center;
}

.anim-chat-avatar svg {
    width: 20px;
    height: 20px;
    stroke: #050811;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.anim-chat-header span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    flex: 1;
}

.anim-chat-status {
    padding: 3px 10px;
    background: rgba(74, 222, 128, 0.15);
    border: 1px solid rgba(74, 222, 128, 0.3);
    border-radius: 12px;
    font-size: 0.7rem;
    color: #4ade80;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.anim-chat-body {
    padding: 14px; /* Slightly reduced padding */
    display: flex;
    flex-direction: column;
    gap: 10px; /* Reduced gap from 12px */
    /* Removed overflow-y to prevent scrollbar */
}

/* Chat Row Layout for Avatars */
.chat-row {
    display: flex;
    gap: 10px; /* Reduced gap from 12px */
    align-items: flex-start;
    margin-bottom: 8px; /* Reduced margin from 16px */
    max-width: 100%;
}

.chat-row.user {
    flex-direction: row-reverse;
}

.chat-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.chat-row.bot .chat-avatar-small {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
}

.chat-row.user .chat-avatar-small {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.chat-avatar-small svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.chat-row.bot .chat-avatar-small svg { stroke: #050811; }
.chat-row.user .chat-avatar-small svg { stroke: var(--text-secondary); }

.chat-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: calc(100% - 44px); /* Subtract avatar width + gap */
    position: relative;
}

.chat-bubble.user {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-top-right-radius: 4px; /* Changed from bottom-right */
    /* Remove align-self */
}

.chat-bubble.bot {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(0, 184, 212, 0.08));
    border: 1px solid rgba(0, 229, 255, 0.2);
    color: var(--text-primary);
    border-top-left-radius: 4px; /* Changed from bottom-left */
    /* Remove align-self */
}

.chat-bubble.bot .typed-text {
    font-weight: 500;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 4px 0;
    margin-bottom: 6px;
}

.typing-indicator span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-color);
    animation: typingBounce 1.4s ease-in-out infinite;
    opacity: 0.4;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* Task checklist */
.chat-bubble.task-list {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(14, 22, 41, 0.5));
    border: 1px solid rgba(0, 229, 255, 0.15);
}

.task-check {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.task-check svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
}

.task-check.done svg { stroke: #4ade80; }
.task-check.progress svg { stroke: var(--accent-warm); }
.task-check.progress { color: var(--accent-warm); font-weight: 500; }

/* Alert bubble */
.chat-bubble.alert {
    background: linear-gradient(135deg, rgba(255, 171, 0, 0.12), rgba(255, 100, 100, 0.08));
    border: 1px solid rgba(255, 171, 0, 0.25);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.chat-bubble.alert svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    margin-top: 2px;
}

.chat-bubble.alert span {
    font-size: 0.85rem;
    color: var(--accent-warm);
    font-weight: 500;
    line-height: 1.5;
}

/* Memory card */
.chat-bubble.memory-card {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(14, 22, 41, 0.5));
    border: 1px solid rgba(0, 229, 255, 0.18);
    padding: 14px 16px;
}

.memory-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.memory-title svg {
    width: 15px;
    height: 15px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.memory-items {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.memory-items span {
    padding: 4px 12px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Alert with structured content */
.alert-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.alert-content strong {
    font-size: 0.82rem;
    color: var(--accent-warm);
    font-weight: 700;
}

.alert-content span {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.5;
}

/* Time separator */
.chat-time-sep {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-secondary);
    opacity: 0.6;
    padding: 6px 0;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

/* Staggered chat animation */
.slide.active .anim-msg-1 { animation: slideInFromRight 0.45s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; opacity: 0; }
.slide.active .anim-msg-2 { animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards; opacity: 0; }
.slide.active .anim-msg-3 { animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) 1.0s forwards; opacity: 0; }
.slide.active .anim-msg-4 { animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) 1.4s forwards; opacity: 0; }
.slide.active .anim-msg-5 { animation: fadeInUp 0.35s ease 1.9s forwards; opacity: 0; }
.slide.active .anim-msg-6 { animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) 2.2s forwards; opacity: 0; }
.slide.active .anim-msg-7 { animation: slideInFromRight 0.45s cubic-bezier(0.16, 1, 0.3, 1) 2.8s forwards; opacity: 0; }
.slide.active .anim-msg-8 { animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) 3.2s forwards; opacity: 0; }

@keyframes slideInFromRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}


/* --- Slide 8: Enterprise Brain Demo --- */
.brain-demo {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 10px 0;
}

.brain-act {
    width: 100%;
}

/* Act label */
.brain-act-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    opacity: 0;
}

.brain-act-label svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.slide.active .anim-brain-label-1 {
    animation: fadeInUp 0.4s ease 0.1s forwards;
}

/* Files grid - 2x3 layout */
.brain-files-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.brain-file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(14, 22, 41, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    opacity: 0;
    transform: translateY(-10px);
}

.bf-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: 0.02em;
}

.bf-icon.pdf {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.bf-icon.xlsx {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.bf-icon.docx {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.bf-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.bf-name {
    font-size: 0.82rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bf-dept {
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* File drop-in animations */
.slide.active .anim-bf-1 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards; }
.slide.active .anim-bf-2 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards; }
.slide.active .anim-bf-3 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards; }
.slide.active .anim-bf-4 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.8s forwards; }
.slide.active .anim-bf-5 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 1.0s forwards; }
.slide.active .anim-bf-6 { animation: brainFileDrop 0.4s cubic-bezier(0.4, 0, 0.2, 1) 1.2s forwards; }

@keyframes brainFileDrop {
    0% { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Act 2: AI Engine */
.brain-act-2 {
    opacity: 0;
}

.slide.active .anim-brain-engine {
    animation: fadeInUp 0.5s ease 1.5s forwards;
}

.brain-engine {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(255, 171, 0, 0.06));
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 14px;
}

.engine-core {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(255, 171, 0, 0.15));
    border: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.engine-ring {
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.slide.active .engine-ring {
    animation: engineSpin 3s linear infinite;
}

@keyframes engineSpin {
    0% { transform: rotate(0deg); border-color: rgba(0, 229, 255, 0.3); }
    50% { border-color: rgba(255, 171, 0, 0.4); }
    100% { transform: rotate(360deg); border-color: rgba(0, 229, 255, 0.3); }
}

.engine-core svg {
    width: 26px;
    height: 26px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.slide.active .engine-core svg {
    animation: processorPulse 2.4s ease-in-out 1.6s infinite;
}

@keyframes processorPulse {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.15); }
    30% { transform: scale(1); }
    45% { transform: scale(1.15); }
    60% { transform: scale(1); }
    75% { transform: scale(1.15); }
}

.engine-tasks {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.engine-task {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    opacity: 0;
}

.et-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.et-dot.done {
    background: #4ade80;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

.slide.active .anim-et-1 { animation: fadeInUp 0.3s ease 1.8s forwards; }
.slide.active .anim-et-2 { animation: fadeInUp 0.3s ease 2.1s forwards; }
.slide.active .anim-et-3 { animation: fadeInUp 0.3s ease 2.4s forwards; }

/* Engine stats */
.engine-stats {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    opacity: 0;
}

.slide.active .anim-brain-stats {
    animation: fadeInUp 0.4s ease 2.7s forwards;
}

.engine-stat {
    flex: 1;
    padding: 10px;
    background: rgba(14, 22, 41, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
}

.es-num {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-warm);
}

.es-label {
    display: block;
    font-size: 0.68rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

/* Act 3: Boss Query */
.brain-act-3 {
    opacity: 0;
}

.slide.active .anim-brain-query {
    animation: fadeInUp 0.5s ease 3.2s forwards;
}

.brain-query-box {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.9), rgba(10, 15, 30, 0.6));
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
}

.bq-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.bq-header svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bq-header span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.bq-badge {
    margin-left: auto;
    padding: 3px 10px;
    background: rgba(0, 229, 255, 0.12);
    border: 1px solid rgba(0, 229, 255, 0.3);
    border-radius: 10px;
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-color);
    font-weight: 600;
}

.bq-question {
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    background: rgba(255, 171, 0, 0.06);
    border-bottom: 1px solid var(--border-color);
    opacity: 0;
}

.slide.active .anim-bq-q {
    animation: fadeInUp 0.4s ease 3.5s forwards;
}

.bq-answer {
    padding: 12px 16px;
    opacity: 0;
}

.slide.active .anim-bq-a {
    animation: fadeInUp 0.4s ease 4.0s forwards;
}

.bq-thinking {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.bq-thinking span {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.bq-insight {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bq-insight-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(14, 22, 41, 0.5);
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.4;
    opacity: 0;
}

.slide.active .anim-bi-1 { animation: fadeInUp 0.3s ease 4.4s forwards; }
.slide.active .anim-bi-2 { animation: fadeInUp 0.3s ease 4.7s forwards; }
.slide.active .anim-bi-3 { animation: fadeInUp 0.3s ease 5.0s forwards; }
.slide.active .anim-bi-4 { animation: fadeInUp 0.3s ease 5.4s forwards; }

.bi-tag {
    flex-shrink: 0;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    white-space: nowrap;
    margin-top: 1px;
}

.bi-tag.source {
    background: rgba(0, 229, 255, 0.12);
    color: var(--accent-color);
    border: 1px solid rgba(0, 229, 255, 0.25);
}

.bi-red {
    color: #ff6b6b;
}

.bq-insight-conclusion {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    background: linear-gradient(135deg, rgba(255, 171, 0, 0.1), rgba(239, 68, 68, 0.08));
    border: 1px solid rgba(255, 171, 0, 0.25);
    border-radius: 10px;
    font-size: 0.82rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin-top: 4px;
    opacity: 0;
}

.bq-insight-conclusion svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    margin-top: 1px;
}

.bq-insight-conclusion strong {
    color: var(--accent-warm);
}



/* --- Slide 9: Customer Service Demo --- */
.anim-cs-demo {
    width: 100%;
    max-width: 460px;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.8), rgba(10, 15, 30, 0.5));
    border: 2px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.cs-channels {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.cs-channel-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 0.82rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cs-channel-tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: rgba(0, 229, 255, 0.05);
}

.cs-chat-body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cs-chat-body .chat-bubble {
    padding: 10px 14px;
    font-size: 0.85rem;
    line-height: 1.45;
    max-width: 100%;
}

.cs-chat-body .chat-bubble strong {
    color: var(--accent-warm);
}

.cs-chat-body .chat-time-sep {
    text-align: center;
    font-size: 0.68rem;
    color: var(--text-secondary);
    padding: 2px 0;
    opacity: 0.7;
}

/* Emotion detection bar */
.cs-emotion-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: rgba(255, 171, 0, 0.08);
    border: 1px solid rgba(255, 171, 0, 0.2);
    border-radius: 8px;
    gap: 12px;
}

.emotion-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--accent-warm);
    font-weight: 600;
}

.emotion-tag svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.emotion-action {
    font-size: 0.75rem;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* Highlight message */
.chat-bubble.highlight-msg {
    background: linear-gradient(135deg, rgba(255, 171, 0, 0.15), rgba(255, 100, 100, 0.08));
    border: 1px solid rgba(255, 171, 0, 0.3);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.chat-bubble.highlight-msg svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    margin-top: 2px;
}

.chat-bubble.highlight-msg span {
    font-size: 0.92rem;
    color: var(--accent-warm);
    font-weight: 500;
    line-height: 1.5;
}

/* CS chat animations */
.slide.active .anim-cs-0 { animation: fadeInUp 0.3s ease 0.1s forwards; opacity: 0; }
.slide.active .anim-cs-1 { animation: slideInFromRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards; opacity: 0; }
.slide.active .anim-cs-2 { animation: slideInFromLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards; opacity: 0; }
.slide.active .anim-cs-3 { animation: slideInFromRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) 1.5s forwards; opacity: 0; }
.slide.active .anim-cs-4 { animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 1.9s forwards; opacity: 0; }
.slide.active .anim-cs-5 { animation: slideInFromLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) 2.4s forwards; opacity: 0; }
.slide.active .anim-cs-6 { animation: slideInFromRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) 3.2s forwards; opacity: 0; }
.slide.active .anim-cs-7 { animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 3.7s forwards; opacity: 0; }
.slide.active .anim-cs-8 { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 4.2s forwards; opacity: 0; }

/* Hot emotion bar variant */
.cs-emotion-bar.emotion-hot {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.emotion-tag.hot {
    color: #ff6b6b;
}

.emotion-tag.hot svg {
    stroke: #ff6b6b;
}

.emotion-action.hot {
    color: #ff6b6b;
}

/* Handoff card */
.cs-handoff-card {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(74, 222, 128, 0.06));
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 12px;
    overflow: hidden;
}

.handoff-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(0, 229, 255, 0.08);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
}

.handoff-header svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.handoff-summary {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.handoff-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.handoff-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.hs-tag {
    flex-shrink: 0;
    padding: 2px 7px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 4px;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--accent-color);
}


/* --- Slide 10: Factory Scheduling Demo --- */
.factory-demo {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 8px 0;
}

/* Act 1: Order trigger */
.factory-trigger {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: rgba(255, 171, 0, 0.08);
    border: 1px solid rgba(255, 171, 0, 0.2);
    border-radius: 12px;
    opacity: 0;
}

.slide.active .anim-ft-trigger {
    animation: fadeInUp 0.4s ease 0.2s forwards;
}

.ft-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 171, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ft-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ft-body {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.ft-from {
    font-size: 0.72rem;
    color: var(--accent-warm);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.ft-msg {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Act 2: AI checks */
.factory-checks {
    display: flex;
    gap: 8px;
    opacity: 0;
}

.slide.active .anim-ft-checks {
    animation: fadeInUp 0.3s ease 0.7s forwards;
}

.fc-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 10px;
    background: rgba(14, 22, 41, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    opacity: 0;
}

.slide.active .anim-fc-1 { animation: fadeInUp 0.3s ease 0.9s forwards; }
.slide.active .anim-fc-2 { animation: fadeInUp 0.3s ease 1.1s forwards; }
.slide.active .anim-fc-3 { animation: fadeInUp 0.3s ease 1.3s forwards; }

.fc-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.fc-dot.ok {
    background: #4ade80;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

.fc-dot.warn {
    background: var(--accent-warm);
    box-shadow: 0 0 8px rgba(255, 171, 0, 0.5);
}

.fc-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.fc-val {
    font-size: 0.68rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
}

.fc-val.ok { color: #4ade80; }
.fc-val.warn { color: var(--accent-warm); }

/* Act 3: Gantt (reuse existing styles, scoped inside factory-demo) */
.factory-demo .anim-gantt-demo {
    padding: 18px 20px;
    opacity: 0;
}

.slide.active .anim-ft-gantt {
    animation: fadeInUp 0.4s ease 1.6s forwards;
}

.factory-demo .gantt-mini-header {
    padding-bottom: 10px;
    margin-bottom: 8px;
}

.factory-demo .gantt-mini-row {
    padding: 8px 0;
    opacity: 1;
}

.factory-demo .gantt-mini-label {
    font-size: 0.82rem;
    width: 64px;
}

.factory-demo .gantt-mini-track {
    height: 34px;
}

.factory-demo .gantt-mini-bar {
    font-size: 0.72rem;
}

.factory-demo .gantt-mini-title {
    font-size: 0.75rem;
    width: 64px;
}

.factory-demo .gantt-mini-days span {
    font-size: 0.7rem;
}

/* Act 4: Inventory alert */
.factory-alert-card {
    background: rgba(14, 22, 41, 0.7);
    border: 1px solid rgba(255, 171, 0, 0.25);
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
}

.slide.active .anim-ft-alert {
    animation: fadeInUp 0.4s ease 2.2s forwards;
}

.fa-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 171, 0, 0.1);
    border-bottom: 1px solid rgba(255, 171, 0, 0.15);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-warm);
    font-family: 'JetBrains Mono', monospace;
}

.fa-header svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.fa-body {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fa-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
}

.fa-item-name {
    color: var(--text-primary);
    font-weight: 500;
}

.fa-item-gap {
    color: var(--accent-warm);
    font-size: 0.78rem;
}

.fa-item-gap strong {
    color: #ff6b6b;
}

.fa-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 8px;
    font-size: 0.75rem;
    color: #4ade80;
    font-weight: 500;
}

.fa-action svg {
    width: 14px;
    height: 14px;
    stroke: #4ade80;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

/* Act 5: Result summary */
.factory-result {
    display: flex;
    align-items: center;
    padding: 12px 18px;
    background: rgba(14, 22, 41, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    opacity: 0;
}

.slide.active .anim-ft-result {
    animation: fadeInUp 0.4s ease 2.8s forwards;
}

.fr-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

.fr-label {
    font-size: 0.68rem;
    color: var(--text-secondary);
}

.fr-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
}

.fr-val.accent { color: var(--accent-color); }
.fr-val.green { color: #4ade80; }

.fr-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
    flex-shrink: 0;
}

/* Gantt stagger animation (for standalone gantt, not inside factory-demo) */
.anim-gantt-demo {
    width: 100%;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.8), rgba(10, 15, 30, 0.5));
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.gantt-mini-header {
    display: flex;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.gantt-mini-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    width: 80px;
    flex-shrink: 0;
}

.gantt-mini-days {
    flex: 1;
    display: flex;
    justify-content: space-around;
}

.gantt-mini-days span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.gantt-mini-row {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.gantt-mini-label {
    width: 80px;
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
}

.gantt-mini-track {
    flex: 1;
    height: 36px;
    position: relative;
}

.gantt-mini-bar {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0 10px;
    white-space: nowrap;
    overflow: hidden;
    transition: all 0.3s ease;
}

.gantt-mini-bar:hover {
    transform: translateY(-3px);
    z-index: 2;
}

.gantt-mini-bar.bar-normal {
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.25), rgba(0, 229, 255, 0.12));
    border: 1px solid rgba(0, 229, 255, 0.3);
    color: var(--accent-color);
}

.gantt-mini-bar.bar-normal:hover {
    box-shadow: 0 6px 18px rgba(0, 229, 255, 0.25);
}

.gantt-mini-bar.bar-urgent {
    background: linear-gradient(90deg, rgba(255, 171, 0, 0.4), rgba(255, 100, 100, 0.3));
    border: 2px solid var(--accent-warm);
    color: var(--accent-warm);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 171, 0, 0.3);
    z-index: 1;
    gap: 5px;
    animation: urgentPulse 2s ease-in-out infinite;
}

.gantt-mini-bar.bar-urgent svg {
    width: 14px;
    height: 14px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    flex-shrink: 0;
}

@keyframes urgentPulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(255, 171, 0, 0.3); }
    50% { box-shadow: 0 4px 25px rgba(255, 171, 0, 0.5); }
}

.gantt-mini-bar.bar-shifted {
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.12), rgba(0, 229, 255, 0.06));
    border: 1px dashed rgba(0, 229, 255, 0.25);
    color: var(--text-secondary);
    font-style: italic;
}

.gantt-mini-alert {
    margin-top: 18px;
    padding: 14px 18px;
    background: rgba(255, 171, 0, 0.08);
    border: 1px solid rgba(255, 171, 0, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.gantt-alert-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(255, 171, 0, 0.15);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-warm);
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0;
    white-space: nowrap;
}

.gantt-alert-badge svg {
    width: 14px;
    height: 14px;
    stroke: var(--accent-warm);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.gantt-alert-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Scene-left entrance animation */
.slide.active .scene-left {
    animation: slideInFromLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
    opacity: 0;
}

.slide.active .scene-right {
    animation: slideInFromRight 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
    opacity: 0;
}


/* ============================================
   SLIDE 11: 核心业务价值 - 价值矩阵布局
   ============================================ */

.value-hero {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(255, 171, 0, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.value-hero h3 {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.value-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

.value-matrix {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.value-card {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    border: 2px solid rgba(0, 229, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.value-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.3);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.value-label {
    font-size: 1.4rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}

.value-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.roi-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.12) 0%, rgba(255, 171, 0, 0.08) 100%);
    border-radius: 16px;
    border: 2px solid rgba(0, 229, 255, 0.3);
}

.roi-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.roi-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

.roi-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
}

.roi-divider {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--accent-color), transparent);
}

/* ============================================
   SLIDE 12: 全栈产品体系 - 层叠架构布局
   ============================================ */

.product-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stack-layer {
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.stack-layer:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 40px rgba(0, 229, 255, 0.2);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.layer-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(255, 171, 0, 0.15));
    border-radius: 12px;
    flex-shrink: 0;
}

.layer-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.layer-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    font-weight: 700;
}

.layer-content {
    padding: 25px;
    display: flex;
    gap: 15px;
}

.layer-item {
    flex: 1;
    padding: 20px;
    background: rgba(0, 229, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(0, 229, 255, 0.1);
    transition: all 0.3s ease;
}

.layer-item:hover {
    background: rgba(0, 229, 255, 0.1);
    transform: translateX(5px);
    border-color: var(--accent-color);
}

.layer-item strong {
    display: block;
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.layer-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Layer color variations */
.layer-1 .layer-header { background: linear-gradient(90deg, rgba(0, 229, 255, 0.1) 0%, transparent 100%); }
.layer-2 .layer-header { background: linear-gradient(90deg, rgba(0, 200, 255, 0.08) 0%, transparent 100%); }
.layer-3 .layer-header { background: linear-gradient(90deg, rgba(255, 171, 0, 0.08) 0%, transparent 100%); }
.layer-4 .layer-header { background: linear-gradient(90deg, rgba(0, 150, 255, 0.06) 0%, transparent 100%); }

/* Staggered animations for value cards */
.slide.active .value-card {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.slide.active .value-card:nth-child(1) { animation-delay: 0.1s; }
.slide.active .value-card:nth-child(2) { animation-delay: 0.2s; }
.slide.active .value-card:nth-child(3) { animation-delay: 0.3s; }
.slide.active .value-card:nth-child(4) { animation-delay: 0.4s; }

/* Staggered animations for stack layers */
.slide.active .stack-layer {
    animation: slideInFromLeft 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.slide.active .stack-layer:nth-child(1) { animation-delay: 0.1s; }
.slide.active .stack-layer:nth-child(2) { animation-delay: 0.2s; }
.slide.active .stack-layer:nth-child(3) { animation-delay: 0.3s; }
.slide.active .stack-layer:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Staggered animations for revenue cards */
.slide.active .revenue-card {
    animation: cardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.slide.active .revenue-card:nth-child(1) { animation-delay: 0.1s; }
.slide.active .revenue-card:nth-child(2) { animation-delay: 0.25s; }
.slide.active .revenue-card:nth-child(3) { animation-delay: 0.4s; }

.slide.active .pricing-cta {
    animation: slideInFromBottom 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
    opacity: 0;
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SLIDE 13: 商业模式 - 收入流布局
   ============================================ */

.revenue-hero {
    text-align: center;
    margin-bottom: 35px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(255, 171, 0, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.revenue-hero h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.revenue-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

.revenue-streams {
    display: flex;
    gap: 25px;
    margin-bottom: 35px;
}

.revenue-card {
    flex: 1;
    background: linear-gradient(135deg, rgba(14, 22, 41, 0.6) 0%, rgba(10, 15, 30, 0.3) 100%);
    border-radius: 16px;
    border: 2px solid rgba(0, 229, 255, 0.15);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.revenue-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.25);
}

.stream-header {
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.stream-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-warm));
    color: #050811;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.stream-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 700;
}

.stream-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stream-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.stream-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 171, 0, 0.1));
    border-radius: 10px;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.stream-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.stream-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stream-text strong {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.stream-text span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pricing-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 40px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(255, 171, 0, 0.1) 100%);
    border-radius: 16px;
    border: 2px solid rgba(0, 229, 255, 0.3);
}

.cta-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cta-text strong {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 700;
}

.cta-text span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.cta-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-warm));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

@media (max-width: 768px) {
    body {
        overflow-y: auto; /* Allow body scrolling if needed, though we try to keep it contained */
    }

    .slide {
        padding: 30px 20px;
        justify-content: flex-start; /* Align top for better mobile reading */
    }

    .main-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .subtitle {
        font-size: 1.3rem;
        margin-bottom: 50px;
    }

    .slide-header h2 {
        font-size: 1.8rem;
    }

    .big-statement {
        font-size: 1.8rem;
        margin: 40px 0;
    }

    .bullet-points {
        font-size: 1.2rem;
    }

    /* Stack Grids Vertically */
    .grid-2x2, .product-matrix-grid, .business-model-row, .solution-row {
        display: flex;
        flex-direction: column;
        gap: 20px;
        margin-top: 20px;
    }

    .flex-layout {
        flex-direction: column;
        gap: 30px;
    }

    /* Adjust Card Sizes */
    .card, .solution-box, .bm-card, .matrix-col {
        padding: 20px;
    }

    .icon, .bm-icon {
        font-size: 2.5rem;
    }

    .card h3, .solution-box h3, .bm-card h3, .matrix-col h3 {
        font-size: 1.4rem;
    }

    /* Table Adjustment */
    .comparison-table {
        font-size: 0.9rem;
        display: block;
        overflow-x: auto; /* Scroll horizontally if needed */
        white-space: nowrap;
    }

    .comparison-table th, .comparison-table td {
        padding: 10px;
    }

    /* Controls */
    .controls {
        bottom: 20px;
        /* Inherit left: 50% and transform: translateX(-50%) from desktop styles */
        padding: 8px 16px;
        width: max-content;
    }

    .controls button {
        font-size: 1.2rem;
    }

    #slide-indicator {
        font-size: 0.9rem;
    }

    /* Visual Block Scaling */
    .mockup {
        padding: 20px;
    }

    .chat-bubble {
        font-size: 1rem;
        padding: 10px 15px;
    }

    /* New Slides Responsive Styles */
    .value-matrix {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .value-number {
        font-size: 3rem;
    }

    .value-hero h3 {
        font-size: 1.6rem;
    }

    .roi-banner {
        flex-direction: column;
        gap: 25px;
    }

    .roi-divider {
        width: 80%;
        height: 2px;
        background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    }

    .layer-content {
        flex-direction: column;
    }

    .revenue-streams {
        flex-direction: column;
    }

    .pricing-cta {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .cta-price {
        align-items: center;
    }

    .price-amount {
        font-size: 2.2rem;
    }

    /* Slides 2-4 responsive */
    .market-layout {
        flex-direction: column;
        gap: 30px;
    }

    .market-quote p {
        font-size: 1.6rem;
    }

    .market-quote-highlight {
        font-size: 2rem !important;
    }

    .converge-pillars {
        flex-direction: column;
        gap: 20px;
    }

    .pillar::before {
        display: none;
    }

    .converge-center {
        margin-bottom: 30px;
    }

    .converge-lines {
        display: none;
    }

    .converge-node {
        width: 90px;
        height: 90px;
        font-size: 1.2rem;
    }

    .pain-strip {
        flex-direction: column;
    }

    .pain-item:nth-child(even) {
        margin-top: 0;
    }
    .pain-item:nth-child(odd) {
        margin-bottom: 0;
    }

    /* Slide 5 & 6 responsive */
    .solution-cards-v2 {
        flex-direction: column;
    }

    .sol-card-top .sol-number {
        font-size: 2.5rem;
    }

    .versus-columns {
        flex-direction: column;
        gap: 20px;
    }

    .versus-them,
    .versus-us {
        border-radius: 20px;
    }

    .versus-col {
        padding: 25px;
    }

    .versus-divider {
        width: 100%;
        height: 50px;
    }

    .versus-divider::before {
        top: 50%;
        left: 10%;
        right: 10%;
        bottom: auto;
        width: auto;
        height: 2px;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    }

    /* Scenes responsive */
    .scene-flex {
        flex-direction: column;
        gap: 25px;
    }

    .scene-right {
        max-height: 50vh;
        overflow-y: auto;
    }

    .anim-chat-demo,
    .anim-cs-demo {
        max-width: 100%;
    }

    .scene-highlights {
        flex-direction: column;
    }
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 200;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(14, 22, 41, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.lang-current:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.15);
}

.lang-current svg {
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 130px;
    background: rgba(14, 22, 41, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    overflow: hidden;
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown button {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-dropdown button:hover {
    background: rgba(0, 229, 255, 0.08);
    color: var(--text-primary);
}

.lang-dropdown button.active {
    color: var(--accent-color);
    background: rgba(0, 229, 255, 0.05);
}

@media (max-width: 768px) {
    .lang-switcher {
        top: 12px;
        right: 12px;
    }
    .lang-current {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}