/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-surface: rgba(255, 255, 255, 0.02);
    --color-surface-hover: rgba(255, 255, 255, 0.05);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-tertiary: rgba(255, 255, 255, 0.5);
    --color-text-muted: rgba(255, 255, 255, 0.35);
    
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-dark: #4f46e5;
    --color-accent-glow: rgba(99, 102, 241, 0.3);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent) 0%, #8b5cf6 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    --gradient-radial: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 70%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Layout */
    --container-max: 1280px;
    --nav-height: 72px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }

p {
    color: var(--color-text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   Layout
   ======================================== */
html {
    scroll-snap-type: y mandatory;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-12);
}

.section,
.slide {
    min-height: 100vh;
    padding: var(--space-16) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.section.section-tall {
    min-height: auto;
    justify-content: flex-start;
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

.section-scrollable {
    min-height: auto;
    scroll-snap-align: none;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: transform var(--transition-base), opacity var(--transition-base);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.nav.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav-trigger {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    z-index: 999;
}

/* Slide Progress Indicator */
.slide-progress {
    position: fixed;
    right: var(--space-6);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: 100;
}

.progress-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    cursor: pointer;
    transition: var(--transition-base);
}

.progress-dot:hover {
    background: var(--color-text-tertiary);
    transform: scale(1.3);
}

.progress-dot.active {
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent-glow);
}

@media (max-width: 768px) {
    .slide-progress {
        display: none;
    }
}

/* Slide Numbers */
.slide-number {
    position: absolute;
    top: var(--space-8);
    left: var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    z-index: 10;
}

section {
    position: relative;
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.98);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-logo .logo-img {
    height: 32px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-links li a {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links li a:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.nav-links .nav-cta {
    background: var(--gradient-primary);
    color: var(--color-text) !important;
    margin-left: var(--space-4);
}

.nav-links .nav-cta:hover {
    opacity: 0.9;
    background: var(--gradient-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    scroll-snap-align: start;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    top: -200px;
    right: -200px;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    bottom: -100px;
    left: -100px;
}

.hero .container {
    width: 100%;
}

.hero-content {
    max-width: 1300px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-3) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.hero-logo {
    margin-bottom: var(--space-8);
}

.hero-logo-img {
    height: 48px;
    width: auto;
    display: block;
    object-fit: contain;
}

.hero-title {
    font-size: clamp(3.5rem, 7vw, 6rem);
    margin-bottom: var(--space-8);
    line-height: 1.05;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-3xl);
    color: var(--color-text-secondary);
    max-width: 1000px;
    margin-bottom: var(--space-12);
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text);
    box-shadow: var(--shadow-md), 0 0 20px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px var(--color-accent-glow);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface);
    border-color: var(--color-accent);
}

.btn-large {
    padding: var(--space-4) var(--space-10);
    font-size: var(--text-base);
}

/* ========================================
   Pillars Section
   ======================================== */
.pillars {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-16) 0;
    background: var(--color-bg-secondary);
    scroll-snap-align: start;
}

.pillars .container {
    width: 100%;
}

.pillars .section-header {
    margin-bottom: var(--space-10);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.pillar-card {
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.pillar-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.pillar-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.pillar-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-accent-light);
}

.pillar-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.pillar-card p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Benefits (2×2 grid)
   ======================================== */
.benefits .section-header {
    margin-bottom: var(--space-10);
}

.benefits .section-subtitle {
    margin-top: var(--space-4);
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.benefit-block {
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.benefit-block:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.benefit-num {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-accent-light);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent-light);
}

.benefit-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.benefit-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.benefits-footer {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-text-tertiary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========================================
   Proof Strip
   ======================================== */
.proof-strip {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    scroll-snap-align: none;
}

.proof-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-8);
}

.proof-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.proof-icon {
    color: var(--color-accent);
    font-size: var(--text-xs);
}

/* ========================================
   Proposal Summary
   ======================================== */
.proposal-summary {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-16) 0;
    scroll-snap-align: start;
}

.proposal-summary .container {
    width: 100%;
}

.summary-card {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-16);
    background: var(--gradient-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.summary-label {
    display: inline-block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-4);
}

.summary-text {
    font-size: var(--text-3xl);
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 0;
}

.summary-text strong {
    color: var(--color-accent-light);
}

.proposal-parts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
    text-align: left;
}

.proposal-part {
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.proposal-part h4 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-accent-light);
    margin-bottom: var(--space-5);
}

.proposal-part ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.proposal-part li {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
    line-height: 1.6;
}

.proposal-part li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .proposal-parts {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-5);
}

.section-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    margin-bottom: var(--space-5);
}

.section-subtitle {
    font-size: var(--text-2xl);
    color: var(--color-text-tertiary);
}

/* ========================================
   Past Work / Case Studies
   ======================================== */
.past-work-intro {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-bg-secondary);
    scroll-snap-align: start;
}

.past-work-intro .container {
    width: 100%;
}

.past-work-intro .section-header {
    margin-bottom: 0;
    position: relative;
    z-index: 2;
}

/* Video Background */
.video-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.video-bg video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.7) 0%,
        rgba(10, 10, 15, 0.85) 50%,
        rgba(10, 10, 15, 0.7) 100%
    );
    z-index: 1;
}

.project-slide {
    min-height: 100vh;
    display: flex;
    align-items: center;
    scroll-snap-align: start;
    background: var(--color-bg);
}

.project-slide:nth-child(even) {
    background: var(--color-bg-secondary);
}

.project-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-12);
    align-items: center;
    width: 100%;
}

.project-video {
    aspect-ratio: 16/9;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    overflow: hidden;
    min-height: 0;
}

.project-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Vertical video (e.g. slide 04.5 Metaguise VR) */
.project-video-vertical {
    aspect-ratio: 9/16;
    max-height: 85vh;
    height: 85vh;
    width: auto;
    margin: 0 auto;
    justify-self: center;
}

.project-video-vertical video {
    object-fit: cover;
}

/* Video fullscreen wrapper and button */
.video-wrap {
    position: relative;
}

/* Video controls bar (seek + time) */
.video-controls-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    padding: 0 var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    z-index: 4;
}

.video-seek-bar {
    flex: 1;
    position: relative;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
    min-width: 0;
}

.video-seek-bar:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.video-seek-track {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-full);
}

.video-seek-progress {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0%;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    pointer-events: none;
    transition: width 0.05s linear;
}

.video-time {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    flex-shrink: 0;
}

.fullscreen-btn {
    position: absolute;
    bottom: 28px;
    right: var(--space-3);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 5;
    transition: var(--transition-fast);
}

.fullscreen-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.fullscreen-btn-bg {
    bottom: 28px;
    right: var(--space-6);
}

/* Wraps without seek bar (e.g. bg) keep original fullscreen position if needed */
.video-bg .fullscreen-btn-bg {
    bottom: var(--space-6);
}

.extra-slide-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-video video,
.project-video iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    min-height: 0;
    max-height: 85vh;
    overflow-y: auto;
}

.project-number {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
    display: block;
}

.project-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.15;
    margin-bottom: var(--space-4);
}

.project-metric {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-light);
}

.project-sections {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.project-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.project-section p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.project-features span {
    padding: var(--space-1) var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Project Meta */
.project-meta {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.meta-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.meta-value {
    font-size: var(--text-base);
    color: var(--color-text);
}

.project-summary {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.project-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.project-features-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.project-features-list li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-5);
    position: relative;
    line-height: 1.45;
}

.project-features-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: var(--text-xs);
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    max-width: 900px;
    max-height: 90vh;
    width: 100%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-size: var(--text-2xl);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface-hover);
}

.modal-body {
    max-height: 90vh;
    overflow-y: auto;
}

/* Case Study Detail */
.case-detail {
    padding: var(--space-8);
}

.case-detail-hero {
    margin-bottom: var(--space-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.case-detail-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-8);
}

.case-detail-section {
    margin-bottom: var(--space-6);
}

.case-detail-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.case-detail-section p {
    color: var(--color-text-secondary);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.feature-list li {
    color: var(--color-text-secondary);
    padding-left: var(--space-5);
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ========================================
   Proposal / Touchpoints
   ======================================== */
.touchpoint-slide {
    background: var(--color-bg);
}

.touchpoint-slide:nth-child(even) {
    background: var(--color-bg-secondary);
}

.touchpoint-slide .container {
    width: 100%;
}

.touchpoint-slide-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.touchpoint-slide-header .section-label {
    margin-bottom: var(--space-3);
}

.touchpoint-slide-header .section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--space-2);
}

.touchpoint-slide-header .section-subtitle {
    font-size: var(--text-xl);
}

.touchpoint-slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

/* Slides 6.1 & 6.2: vertical video (left) | text + landscape below (right) */
.touchpoint-slide-content-stacked {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
}

.touchpoint-slide-content-stacked .touchpoint-demo {
    position: static;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-xl);
    min-height: 0;
}

.touchpoint-slide-content-stacked .touchpoint-demo-video-vertical {
    aspect-ratio: 9/16;
    max-height: 65vh;
    width: min(100%, 36.5625vh); /* 65vh * 9/16 so height stays ≤65vh */
    justify-self: center;
}

.touchpoint-slide-content-stacked .touchpoint-demo video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.touchpoint-features-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    min-width: 0;
}

.touchpoint-features-column .touchpoint-demo-video-landscape,
.touchpoint-features-column .video-wrap.touchpoint-demo-video-landscape {
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-xl);
    min-height: 0;
}

.touchpoint-features-column .touchpoint-demo-video-landscape video,
.touchpoint-features-column .video-wrap.touchpoint-demo-video-landscape video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.touchpoint-slide-content.reverse {
    direction: rtl;
}

.touchpoint-slide-content.reverse > * {
    direction: ltr;
}

/* Legacy touchpoint styles for compatibility */
.proposal {
    background: var(--color-bg);
}

.proposal .container {
    width: 100%;
}

.touchpoint {
    margin-bottom: var(--space-24);
    padding: var(--space-16);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
}

.touchpoint:last-child {
    margin-bottom: 0;
}

.touchpoint-header {
    margin-bottom: var(--space-10);
}

.touchpoint-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-accent);
    background: var(--gradient-subtle);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}

.touchpoint-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-3);
}

.touchpoint-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-tertiary);
}

.touchpoint-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.touchpoint-content.reverse {
    direction: rtl;
}

.touchpoint-content.reverse > * {
    direction: ltr;
}

.touchpoint-demo {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-6));
}

.touchpoint-demo video,
.touchpoint-demo-dual .video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Dual video layout: two videos on same slide */
.touchpoint-demo-dual {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-4);
    align-items: stretch;
}

.touchpoint-demo-dual .video-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    min-height: 0;
}

.touchpoint-demo-video-landscape {
    aspect-ratio: 16/9;
}

.touchpoint-demo-video-vertical {
    aspect-ratio: 9/16;
}

.demo-placeholder {
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    color: var(--color-text-muted);
    font-size: var(--text-lg);
}

.touchpoint-slide .demo-placeholder {
    min-height: 280px;
}

.demo-placeholder.cinematic {
    aspect-ratio: 21/9;
}

.play-btn {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-size: var(--text-xl);
    cursor: pointer;
    transition: var(--transition-base);
}

.play-btn:hover {
    transform: scale(1.1);
}

.how-it-works {
    margin-top: var(--space-6);
}

.how-it-works h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.diagram-placeholder {
    padding: var(--space-10);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.touchpoint-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.customer-sees {
    padding: var(--space-8);
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
}

.customer-sees h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-4);
}

.customer-sees p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.feature-pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Feature Grid for Touchpoint Slides */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.feature-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.feature-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

.feature-grid .feature-pillar {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature-grid .feature-pillar h5 {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
}

.feature-grid .feature-pillar li {
    font-size: var(--text-sm);
    line-height: 1.5;
}

/* Touchpoint slide specific adjustments */
.touchpoint-slide .touchpoint-features {
    gap: var(--space-5);
}

.touchpoint-slide .customer-sees {
    padding: var(--space-5);
}

.touchpoint-slide .customer-sees p {
    font-size: var(--text-base);
}

.touchpoint-slide .outcome-chips {
    margin-top: var(--space-4);
}

.touchpoint-slide .chip {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-4);
}

/* ========================================
   Experience Tier Slides (6.1, 6.2, 6.3, 6.4)
   ======================================== */
.experience-tier-slide {
    background: var(--color-bg);
}

.experience-tier-slide:nth-child(even) {
    background: var(--color-bg-secondary);
}

.experience-tier-slide .container {
    width: 100%;
}

.experience-tier-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.experience-tier-content.reverse {
    direction: rtl;
}

.experience-tier-content.reverse > * {
    direction: ltr;
}

.experience-tier-video {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    aspect-ratio: 16/9;
}

.experience-tier-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.experience-tier-video .demo-placeholder {
    min-height: 280px;
}

.experience-tier-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.experience-tier-label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.experience-tier-title {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
}

.experience-tier-tagline {
    font-size: var(--text-xl);
    color: var(--color-text-tertiary);
}

.experience-tier-block {
    margin-bottom: 0;
}

.experience-tier-block h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.experience-tier-block p,
.experience-tier-block ul {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.experience-tier-block ul {
    padding-left: var(--space-5);
    margin-top: var(--space-2);
}

.experience-tier-block ul li {
    position: relative;
    margin-bottom: var(--space-2);
}

.experience-tier-block ul li::before {
    content: '→';
    position: absolute;
    left: calc(-1 * var(--space-5));
    color: var(--color-accent);
}

.ideal-for-list {
    list-style: none;
    padding-left: 0;
}

.ideal-for-list li {
    padding-left: var(--space-5);
    position: relative;
}

.ideal-for-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Experience Comparison Slide (6.4) */
.experience-comparison-slide {
    background: var(--color-bg-secondary);
}

.experience-comparison-slide .container {
    width: 100%;
}

.experience-comparison-slide .section-header {
    margin-bottom: var(--space-10);
}

.experience-comparison-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-10);
}

.experience-comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.experience-comparison-table th,
.experience-comparison-table td {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
}

.experience-comparison-table th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
    color: var(--color-text);
}

.experience-comparison-table th:not(:first-child) {
    text-align: center;
}

.experience-comparison-table td:not(:first-child) {
    text-align: center;
}

.experience-comparison-table tr:last-child td {
    border-bottom: none;
}

.experience-comparison-table td:first-child {
    color: var(--color-text-secondary);
}

.how-to-read {
    max-width: 800px;
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.how-to-read h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-light);
    margin-bottom: var(--space-4);
}

.how-to-read p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.how-to-read p:last-child {
    margin-bottom: 0;
}

.feature-pillar h5 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.feature-pillar ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-pillar li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
    line-height: 1.5;
}

.feature-pillar li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.outcome-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.chip {
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-light);
}

/* Experience Flow */
.experience-flow {
    padding: var(--space-5);
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.experience-flow h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.flow-steps {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
}

.flow-step p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.flow-arrow {
    color: var(--color-text-muted);
    font-size: var(--text-lg);
}

/* ========================================
   Editions Section
   ======================================== */
.editions {
    background: var(--color-bg-secondary);
}

.editions .container {
    width: 100%;
}

.editions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.edition-card {
    position: relative;
    padding: var(--space-12);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}

.edition-card:hover {
    border-color: var(--color-border-hover);
}

.edition-header {
    margin-bottom: var(--space-6);
}

.edition-name {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
}

.edition-best-for {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

.edition-touchpoints {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.touchpoint-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.touchpoint-icon svg {
    width: 40px;
    height: 40px;
}

.touchpoint-icon span {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.touchpoint-icon.active svg {
    color: var(--color-accent-light);
}

.touchpoint-icon.inactive svg {
    color: var(--color-text-muted);
    opacity: 0.4;
}

.edition-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.edition-features li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
}

.edition-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-size: var(--text-sm);
}

/* Comparison Table */
.comparison-section {
    margin-bottom: var(--space-16);
}

.comparison-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-10);
    text-align: center;
}

.comparison-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-5) var(--space-6);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-bg-tertiary);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
}

.comparison-table th:not(:first-child) {
    text-align: center;
}

.comparison-table td {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.comparison-table td:not(:first-child) {
    text-align: center;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: var(--color-surface);
}

.check {
    color: var(--color-success);
    font-weight: 700;
}

.dash {
    color: var(--color-text-muted);
}

.optional {
    color: var(--color-warning);
}

.comparison-legend {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    text-align: center;
    display: flex;
    justify-content: center;
    gap: var(--space-6);
}

/* Pricing Table */
.pricing-section {
    margin-bottom: var(--space-8);
}

.pricing-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-10);
    text-align: center;
}

.pricing-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: var(--space-5) var(--space-6);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.pricing-table th {
    background: var(--color-bg-tertiary);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
}

.pricing-table td {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

/* Accordion */
.included-accordion {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.accordion-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) var(--space-8);
    background: var(--color-surface);
    border: none;
    color: var(--color-text);
    font-size: var(--text-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.accordion-toggle:hover {
    background: var(--color-surface-hover);
}

.accordion-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition-base);
}

.accordion-toggle.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content.active {
    max-height: 500px;
}

.included-list {
    padding: var(--space-8);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.included-list li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
}

.included-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

/* ========================================
   Extras Section
   ======================================== */
.extras-intro {
    background: var(--color-bg);
}

.extras-intro .container {
    width: 100%;
}

.extras-intro .section-header {
    margin-bottom: 0;
}

/* Extra Slides */
.extra-slide {
    background: var(--color-bg-secondary);
}

.extra-slide:nth-child(odd) {
    background: var(--color-bg);
}

.extra-slide .container {
    width: 100%;
}

.extra-slide-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.extra-slide-video {
    width: 100%;
}

.extra-slide-video {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.extra-video-placeholder {
    aspect-ratio: 16/9;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--text-lg);
    min-height: 350px;
}

.extra-slide-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.extra-slide-label {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.extra-slide-title {
    font-size: var(--text-5xl);
    line-height: 1.1;
}

.extra-slide-description {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.extra-slide-cost {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-4);
}

.cost-label {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

.cost-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-accent-light);
}

/* Legacy extras grid styles */
.extras {
    background: var(--color-bg);
}

.extras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.extra-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.extra-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.extra-preview {
    aspect-ratio: 16/9;
}

.extra-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.extra-placeholder.large {
    min-height: 300px;
}

.extra-content {
    padding: var(--space-6);
}

.extra-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.extra-content p {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

.extra-details-btn {
    display: block;
    width: 100%;
    padding: var(--space-5);
    background: none;
    border: none;
    border-top: 1px solid var(--color-border);
    color: var(--color-accent-light);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.extra-details-btn:hover {
    background: var(--color-surface);
}

/* Extra Detail Modal */
.extra-detail {
    padding: var(--space-8);
}

.extra-detail-video {
    margin-bottom: var(--space-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.extra-detail-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.extra-detail-desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.extra-detail-section {
    margin-bottom: var(--space-6);
}

.extra-detail-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.extra-detail-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.extra-detail-section li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-5);
    position: relative;
}

.extra-detail-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.cost-range {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
}

/* ========================================
   Process Section
   ======================================== */
.process {
    background: var(--color-bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto var(--space-16);
}

.timeline-track {
    position: absolute;
    left: 27px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.timeline-step {
    display: flex;
    gap: var(--space-6);
    position: relative;
}

.step-marker {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-accent-light);
    z-index: 1;
}

.step-content {
    padding-top: var(--space-4);
}

.step-content h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.step-content p {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

/* Deliverables */
.deliverables {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.deliverables-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-8);
    text-align: center;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-5);
}

.deliverable-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.deliverable-icon {
    font-size: var(--text-xl);
}

/* ========================================
   Support Section
   ======================================== */
.support {
    background: var(--color-bg);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
    max-width: 1200px;
    margin: 0 auto;
}

.support-card {
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.support-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-8);
}

.support-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.support-list li {
    display: flex;
    gap: var(--space-5);
}

.support-icon {
    font-size: var(--text-2xl);
}

.support-list strong {
    display: block;
    font-size: var(--text-lg);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.support-list p {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

.safeguards-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.safeguards-list li {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}

.check-icon {
    color: var(--color-success);
    font-weight: 700;
}

/* ========================================
   Next Steps Section
   ======================================== */
.next-steps {
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.next-steps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: var(--gradient-radial);
    opacity: 0.3;
    pointer-events: none;
}

.next-steps-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin: var(--space-16) 0;
}

.cta-card {
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.cta-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.cta-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: 0 auto var(--space-6);
}

.cta-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.cta-card p {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
}

.final-cta {
    margin-top: var(--space-12);
}

.cta-note {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.cta-note a {
    color: var(--color-accent-light);
}

.cta-note a:hover {
    text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.footer-logo .logo-img-footer {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ========================================
   Video Modal
   ======================================== */
.video-modal-content {
    max-width: 1000px;
}

.video-container {
    aspect-ratio: 16/9;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.video-placeholder span {
    font-size: var(--text-xl);
    font-weight: 600;
}

.video-placeholder p {
    font-size: var(--text-sm);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .touchpoint-content,
    .touchpoint-slide-content {
        grid-template-columns: 1fr;
    }
    
    .touchpoint-slide-content-stacked {
        grid-template-columns: 1fr;
    }
    
    .touchpoint-slide-content-stacked .touchpoint-demo-video-vertical {
        width: 100%;
        max-height: 320px;
    }
    
    .touchpoint-content.reverse,
    .touchpoint-slide-content.reverse {
        direction: ltr;
    }
    
    .touchpoint-demo {
        position: static;
    }
    
    .touchpoint-demo-dual {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }
    
    .touchpoint-demo-video-vertical {
        max-height: 320px;
        aspect-ratio: 9/16;
    }
    
    .editions-grid {
        grid-template-columns: 1fr;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-cards {
        grid-template-columns: 1fr;
    }
    
    .project-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .project-title {
        font-size: var(--text-3xl);
    }
    
    .feature-grid,
    .feature-grid.two-col,
    .feature-grid.three-col {
        grid-template-columns: 1fr;
    }
    
    .extra-slide-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .extra-slide-title {
        font-size: var(--text-3xl);
    }
    
    .extra-slide-description {
        font-size: var(--text-lg);
    }
    
    .experience-tier-content {
        grid-template-columns: 1fr;
    }
    
    .experience-tier-content.reverse {
        direction: ltr;
    }
    
    .experience-tier-title {
        font-size: var(--text-2xl);
    }
    
    .experience-tier-tagline {
        font-size: var(--text-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }
    
    html {
        scroll-snap-type: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        padding: var(--space-6);
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
        transform: translateX(100%);
        transition: var(--transition-base);
        gap: var(--space-2);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li a {
        display: block;
        padding: var(--space-4);
        font-size: var(--text-lg);
    }
    
    .nav-links .nav-cta {
        margin-left: 0;
        margin-top: var(--space-4);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .section,
    .slide,
    .project-slide {
        min-height: auto;
        padding: var(--space-16) 0;
        scroll-snap-align: none;
    }
    
    .section-header {
        margin-bottom: var(--space-10);
    }
    
    .touchpoint {
        padding: var(--space-6);
        margin-bottom: var(--space-12);
    }
    
    .touchpoint-title {
        font-size: var(--text-2xl);
    }
    
    .proof-grid {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .flow-steps {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin-left: var(--space-4);
    }
    
    .comparison-legend {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .timeline-track {
        left: 15px;
    }
    
    .step-marker {
        width: 32px;
        height: 32px;
        font-size: var(--text-sm);
    }
    
    .modal-content {
        margin: var(--space-4);
        max-height: calc(100vh - var(--space-8));
    }
    
    .project-title {
        font-size: var(--text-xl);
    }
    
    .project-info {
        max-height: none;
    }
    
    .project-meta {
        flex-wrap: wrap;
        gap: var(--space-3);
    }
    
    .slide-number {
        top: var(--space-4);
        left: var(--space-4);
        font-size: var(--text-xs);
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pillar-card,
.case-study-card,
.touchpoint,
.edition-card,
.extra-card,
.cta-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animations */
.pillar-card:nth-child(1) { animation-delay: 0.1s; }
.pillar-card:nth-child(2) { animation-delay: 0.2s; }
.pillar-card:nth-child(3) { animation-delay: 0.3s; }

.case-study-card:nth-child(1) { animation-delay: 0.1s; }
.case-study-card:nth-child(2) { animation-delay: 0.15s; }
.case-study-card:nth-child(3) { animation-delay: 0.2s; }
.case-study-card:nth-child(4) { animation-delay: 0.25s; }
.case-study-card:nth-child(5) { animation-delay: 0.3s; }

/* Intersection Observer animations will be handled in JS */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}