/* ===================
   CASE STUDY STYLES
   Shared CSS for all case study pages
   =================== */

/* Dark mode default */
:root {
    --bg: #1a1a2e;
    --surface: #252542;
    --surface-2: #2d2d4a;
    --border: #3d3d5c;
    --text: #e8e8f0;
    --text-dim: #a0a0b8;
    --text-muted: #6a6a8a;
    --blue: #5c8aff;
    --purple: #a078ff;
    --pink: #ff6eb4;
    --mint: #4ae0a0;
    --yellow: #ffc048;
    --peach: #ff9f6a;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --radius: 12px;
}

/* Light mode */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f5fa;
        --surface: #ffffff;
        --surface-2: #ffffff;
        --border: rgba(140, 140, 180, 0.3);
        --text: #1a1a2e;
        --text-dim: #3a3a55;
        --text-muted: #5a5a75;
        --blue: #2563eb;
        --purple: #7c3aed;
        --pink: #db2777;
        --mint: #059669;
        --yellow: #d97706;
        --peach: #ea580c;
    }
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===================
   WINDOW CHROME HEADER
   =================== */
.window-chrome {
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.window-dots {
    display: flex;
    gap: 8px;
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.window-dot.red { background: #ff5f57; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #28c840; }

.window-title {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.window-title img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.back-link {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--blue);
}

/* ===================
   HERO SECTION
   =================== */
.hero {
    padding: 60px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--purple);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-metrics {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 32px;
    max-width: 600px;
    margin: 0 auto 24px;
}

/* Metric count variants for better spacing */
.hero-metrics.metrics-2 { max-width: 400px; }
.hero-metrics.metrics-3 { max-width: 600px; }
.hero-metrics.metrics-4 { max-width: 700px; gap: 24px; }

.metric {
    text-align: center;
}

/* For 4 metrics, ensure 2x2 on smaller screens */
.hero-metrics.metrics-4 .metric {
    min-width: 120px;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 600;
    color: var(--mint);
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* Hero meta items - wrap on mobile */
.hero-meta-list {
    display: flex;
    justify-content: center;
    gap: 8px 24px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.hero-meta-item {
    text-align: center;
    max-width: 100%;
}

/* Mobile: stack meta items vertically */
@media (max-width: 600px) {
    .hero-meta-list {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
}

/* ===================
   TABLE OF CONTENTS
   =================== */

/* Static TOC Navigation - Desktop only */
.toc-static {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    overflow-x: auto;
}

.toc-grid {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.toc-item {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.2s;
    white-space: nowrap;
}

/* Section-specific TOC colors */
.toc-item[data-section="introduction"]:hover,
.toc-item[data-section="introduction"].active {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(92, 138, 255, 0.1);
}

.toc-item[data-section="problem"]:hover,
.toc-item[data-section="problem"].active {
    color: var(--purple);
    border-color: var(--purple);
    background: rgba(160, 120, 255, 0.1);
}

.toc-item[data-section="strategy"]:hover,
.toc-item[data-section="strategy"].active {
    color: var(--mint);
    border-color: var(--mint);
    background: rgba(74, 224, 160, 0.1);
}

.toc-item[data-section="platform"]:hover,
.toc-item[data-section="platform"].active {
    color: var(--peach);
    border-color: var(--peach);
    background: rgba(255, 159, 106, 0.1);
}

.toc-item[data-section="walkthrough"]:hover,
.toc-item[data-section="walkthrough"].active {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(92, 138, 255, 0.1);
}

.toc-item[data-section="execution"]:hover,
.toc-item[data-section="execution"].active {
    color: var(--purple);
    border-color: var(--purple);
    background: rgba(160, 120, 255, 0.1);
}

.toc-item[data-section="outcomes"]:hover,
.toc-item[data-section="outcomes"].active {
    color: var(--mint);
    border-color: var(--mint);
    background: rgba(74, 224, 160, 0.1);
}

.toc-item[data-section="challenges"]:hover,
.toc-item[data-section="challenges"].active {
    color: var(--peach);
    border-color: var(--peach);
    background: rgba(255, 159, 106, 0.1);
}

.toc-item[data-section="lessons"]:hover,
.toc-item[data-section="lessons"].active {
    color: var(--yellow);
    border-color: var(--yellow);
    background: rgba(255, 192, 72, 0.1);
}

.toc-item[data-section="testimonials"]:hover,
.toc-item[data-section="testimonials"].active {
    color: var(--mint);
    border-color: var(--mint);
    background: rgba(74, 224, 160, 0.1);
}

/* ===================
   GENERIC TOC COLORS
   Use data-color attribute for custom sections
   Example: <a class="toc-item" data-section="custom" data-color="blue">
   =================== */
.toc-item[data-color="blue"]:hover,
.toc-item[data-color="blue"].active {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(92, 138, 255, 0.1);
}

.toc-item[data-color="purple"]:hover,
.toc-item[data-color="purple"].active {
    color: var(--purple);
    border-color: var(--purple);
    background: rgba(160, 120, 255, 0.1);
}

.toc-item[data-color="mint"]:hover,
.toc-item[data-color="mint"].active {
    color: var(--mint);
    border-color: var(--mint);
    background: rgba(74, 224, 160, 0.1);
}

.toc-item[data-color="peach"]:hover,
.toc-item[data-color="peach"].active {
    color: var(--peach);
    border-color: var(--peach);
    background: rgba(255, 159, 106, 0.1);
}

.toc-item[data-color="yellow"]:hover,
.toc-item[data-color="yellow"].active {
    color: var(--yellow);
    border-color: var(--yellow);
    background: rgba(255, 192, 72, 0.1);
}

.toc-item[data-color="pink"]:hover,
.toc-item[data-color="pink"].active {
    color: var(--pink);
    border-color: var(--pink);
    background: rgba(255, 110, 180, 0.1);
}

/* Floating TOC - Desktop only, RIGHT side */
.toc-floating {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    max-width: 140px;
}

.toc-floating.visible {
    opacity: 1;
    visibility: visible;
}

.toc-floating .toc-grid {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.toc-floating .toc-item {
    font-size: 10px;
    padding: 5px 10px;
    width: 100%;
    text-align: left;
    border: none;
    border-radius: 6px;
    background: transparent;
}

/* Floating nav section colors */
.toc-floating .toc-item[data-section="introduction"]:hover,
.toc-floating .toc-item[data-section="introduction"].active {
    background: rgba(92, 138, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="problem"]:hover,
.toc-floating .toc-item[data-section="problem"].active {
    background: rgba(160, 120, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="strategy"]:hover,
.toc-floating .toc-item[data-section="strategy"].active {
    background: rgba(74, 224, 160, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="platform"]:hover,
.toc-floating .toc-item[data-section="platform"].active {
    background: rgba(255, 159, 106, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="walkthrough"]:hover,
.toc-floating .toc-item[data-section="walkthrough"].active {
    background: rgba(92, 138, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="execution"]:hover,
.toc-floating .toc-item[data-section="execution"].active {
    background: rgba(160, 120, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="outcomes"]:hover,
.toc-floating .toc-item[data-section="outcomes"].active {
    background: rgba(74, 224, 160, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="challenges"]:hover,
.toc-floating .toc-item[data-section="challenges"].active {
    background: rgba(255, 159, 106, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="lessons"]:hover,
.toc-floating .toc-item[data-section="lessons"].active {
    background: rgba(255, 192, 72, 0.15);
    border: none;
}

.toc-floating .toc-item[data-section="testimonials"]:hover,
.toc-floating .toc-item[data-section="testimonials"].active {
    background: rgba(74, 224, 160, 0.15);
    border: none;
}

/* Generic floating nav colors (data-color attribute) */
.toc-floating .toc-item[data-color="blue"]:hover,
.toc-floating .toc-item[data-color="blue"].active {
    background: rgba(92, 138, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-color="purple"]:hover,
.toc-floating .toc-item[data-color="purple"].active {
    background: rgba(160, 120, 255, 0.15);
    border: none;
}

.toc-floating .toc-item[data-color="mint"]:hover,
.toc-floating .toc-item[data-color="mint"].active {
    background: rgba(74, 224, 160, 0.15);
    border: none;
}

.toc-floating .toc-item[data-color="peach"]:hover,
.toc-floating .toc-item[data-color="peach"].active {
    background: rgba(255, 159, 106, 0.15);
    border: none;
}

.toc-floating .toc-item[data-color="yellow"]:hover,
.toc-floating .toc-item[data-color="yellow"].active {
    background: rgba(255, 192, 72, 0.15);
    border: none;
}

.toc-floating .toc-item[data-color="pink"]:hover,
.toc-floating .toc-item[data-color="pink"].active {
    background: rgba(255, 110, 180, 0.15);
    border: none;
}

/* Hide TOCs on tablet/mobile */
@media (max-width: 1200px) {
    .toc-static { display: none; }
    .toc-floating { display: none !important; }
}

/* ===================
   CONTENT SECTIONS
   =================== */
.section {
    padding: 60px 24px;
    border-bottom: 1px solid var(--border);
}

.section-container {
    max-width: 900px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 40px;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-intro {
    font-size: 15px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* Section color accents */
.section--blue { border-left: 3px solid var(--blue); }
.section--purple { border-left: 3px solid var(--purple); }
.section--mint { border-left: 3px solid var(--mint); }
.section--peach { border-left: 3px solid var(--peach); }
.section--yellow { border-left: 3px solid var(--yellow); }
.section--pink { border-left: 3px solid var(--pink); }

/* ===================
   TWO COLUMN LAYOUT
   =================== */
.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 32px;
}

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

.two-col h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.two-col p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ===================
   CARD GRID SYSTEM
   3 items: 1x3 desktop, stack mobile
   4 items: 2x2 desktop, stack mobile
   5 items: 2x2 + 1 double-wide, stack mobile
   6 items: 3x2 or 2x3 desktop, stack mobile
   =================== */
.card-grid {
    display: grid;
    gap: 16px;
    margin-top: 32px;
}

/* 2 items: 1x2 side by side */
.card-grid.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* 3 items: 1x3 */
.card-grid.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* 4 items: 2x2 */
.card-grid.grid-4 {
    grid-template-columns: repeat(2, 1fr);
}

/* 5 items: 2x2 + double wide last */
.card-grid.grid-5 {
    grid-template-columns: repeat(2, 1fr);
}
.card-grid.grid-5 .card:nth-child(5) {
    grid-column: span 2;
}

/* 6 items: 3x2 (default) */
.card-grid.grid-6 {
    grid-template-columns: repeat(3, 1fr);
}

/* 6 items alternative: 2x3 for content-heavy */
.card-grid.grid-6-tall {
    grid-template-columns: repeat(2, 1fr);
}

/* Mobile: all grids stack */
@media (max-width: 768px) {
    .card-grid.grid-2,
    .card-grid.grid-3,
    .card-grid.grid-4,
    .card-grid.grid-5,
    .card-grid.grid-6,
    .card-grid.grid-6-tall {
        grid-template-columns: 1fr;
    }
    .card-grid.grid-5 .card:nth-child(5) {
        grid-column: span 1;
    }
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

.card ul {
    list-style: none;
    font-size: 13px;
    color: var(--text-dim);
}

.card ul li {
    padding-left: 16px;
    position: relative;
    margin-bottom: 8px;
}

.card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--mint);
}

/* Card color coding */
.card--blue { border-top: 3px solid var(--blue); }
.card--purple { border-top: 3px solid var(--purple); }
.card--mint { border-top: 3px solid var(--mint); }
.card--peach { border-top: 3px solid var(--peach); }
.card--yellow { border-top: 3px solid var(--yellow); }
.card--pink { border-top: 3px solid var(--pink); }

/* ===================
   PRODUCT WALKTHROUGH
   Uniform caption area, flexible image sizing
   Variants: walkthrough-2, walkthrough-3, walkthrough-4, walkthrough-5, walkthrough-6
   =================== */
.walkthrough-grid {
    display: grid;
    gap: 16px;
    margin-top: 32px;
}

/* 2 images: side by side */
.walkthrough-grid.walkthrough-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* 3 images: 1x3 */
.walkthrough-grid.walkthrough-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* 4 images: 1x4 desktop, 2x2 tablet */
.walkthrough-grid.walkthrough-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* 5 images: 3 on top, 2 centered below */
.walkthrough-grid.walkthrough-5 {
    grid-template-columns: repeat(6, 1fr);
}
.walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(1),
.walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(2),
.walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(3) {
    grid-column: span 2;
}
.walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(4) {
    grid-column: 2 / span 2;
}
.walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(5) {
    grid-column: 4 / span 2;
}

/* 6 images: 2x3 */
.walkthrough-grid.walkthrough-6 {
    grid-template-columns: repeat(3, 1fr);
}

/* Tablet: 2 columns for most variants */
@media (max-width: 900px) {
    .walkthrough-grid.walkthrough-3,
    .walkthrough-grid.walkthrough-4,
    .walkthrough-grid.walkthrough-5,
    .walkthrough-grid.walkthrough-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    .walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(1),
    .walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(2),
    .walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(3),
    .walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(4),
    .walkthrough-grid.walkthrough-5 .walkthrough-item:nth-child(5) {
        grid-column: span 1;
    }
}

/* Mobile: stack all */
@media (max-width: 500px) {
    .walkthrough-grid.walkthrough-2,
    .walkthrough-grid.walkthrough-3,
    .walkthrough-grid.walkthrough-4,
    .walkthrough-grid.walkthrough-5,
    .walkthrough-grid.walkthrough-6 {
        grid-template-columns: 1fr;
    }
}

.walkthrough-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.walkthrough-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    border-radius: 8px;
    background: var(--surface-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.walkthrough-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.2s;
}

.walkthrough-image:hover img {
    transform: scale(1.05);
}

.walkthrough-caption {
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    min-height: 44px;
    display: flex;
    align-items: center;
}

/* ===================
   TIMELINE
   Color variants: timeline--blue, timeline--purple, timeline--mint, timeline--peach, timeline--yellow
   =================== */
.timeline {
    margin-top: 32px;
}

.timeline-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    background: var(--purple);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
    position: relative;
}

/* Timeline color variants */
.timeline--blue .timeline-dot { background: var(--blue); }
.timeline--purple .timeline-dot { background: var(--purple); }
.timeline--mint .timeline-dot { background: var(--mint); }
.timeline--peach .timeline-dot { background: var(--peach); }
.timeline--yellow .timeline-dot { background: var(--yellow); }
.timeline--pink .timeline-dot { background: var(--pink); }

.timeline--blue .timeline-date { color: var(--blue); }
.timeline--purple .timeline-date { color: var(--purple); }
.timeline--mint .timeline-date { color: var(--mint); }
.timeline--peach .timeline-date { color: var(--peach); }
.timeline--yellow .timeline-date { color: var(--yellow); }
.timeline--pink .timeline-date { color: var(--pink); }

.timeline-item:not(:last-child) .timeline-dot::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: calc(100% + 16px);
    background: var(--border);
}

.timeline-content {
    flex: 1;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--purple);
    margin-bottom: 4px;
}

/* Timeline date colors inherited from timeline variant above */

.timeline-content h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ===================
   LESSONS GRID
   Color variants: lessons-grid--blue, --purple, --mint, --peach, --yellow (default), --pink
   =================== */
.lessons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

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

.lesson-card {
    background: rgba(255, 192, 72, 0.08);
    border: 1px solid rgba(255, 192, 72, 0.2);
    border-radius: var(--radius);
    padding: 24px;
}

.lesson-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--yellow);
}

.lesson-card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* Lesson card color variants */
.lessons-grid--blue .lesson-card {
    background: rgba(92, 138, 255, 0.08);
    border-color: rgba(92, 138, 255, 0.2);
}
.lessons-grid--blue .lesson-card h3 { color: var(--blue); }

.lessons-grid--purple .lesson-card {
    background: rgba(160, 120, 255, 0.08);
    border-color: rgba(160, 120, 255, 0.2);
}
.lessons-grid--purple .lesson-card h3 { color: var(--purple); }

.lessons-grid--mint .lesson-card {
    background: rgba(74, 224, 160, 0.08);
    border-color: rgba(74, 224, 160, 0.2);
}
.lessons-grid--mint .lesson-card h3 { color: var(--mint); }

.lessons-grid--peach .lesson-card {
    background: rgba(255, 159, 106, 0.08);
    border-color: rgba(255, 159, 106, 0.2);
}
.lessons-grid--peach .lesson-card h3 { color: var(--peach); }

.lessons-grid--pink .lesson-card {
    background: rgba(255, 110, 180, 0.08);
    border-color: rgba(255, 110, 180, 0.2);
}
.lessons-grid--pink .lesson-card h3 { color: var(--pink); }

/* Light mode adjustments for all variants */
@media (prefers-color-scheme: light) {
    .lesson-card {
        background: rgba(217, 119, 6, 0.08);
        border-color: rgba(217, 119, 6, 0.25);
    }
    .lessons-grid--blue .lesson-card {
        background: rgba(37, 99, 235, 0.08);
        border-color: rgba(37, 99, 235, 0.25);
    }
    .lessons-grid--purple .lesson-card {
        background: rgba(124, 58, 237, 0.08);
        border-color: rgba(124, 58, 237, 0.25);
    }
    .lessons-grid--mint .lesson-card {
        background: rgba(5, 150, 105, 0.08);
        border-color: rgba(5, 150, 105, 0.25);
    }
    .lessons-grid--peach .lesson-card {
        background: rgba(234, 88, 12, 0.08);
        border-color: rgba(234, 88, 12, 0.25);
    }
    .lessons-grid--pink .lesson-card {
        background: rgba(219, 39, 119, 0.08);
        border-color: rgba(219, 39, 119, 0.25);
    }
}

/* ===================
   TESTIMONIALS
   Layout: press image + quote side by side, then full-width quote
   =================== */
.testimonials-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
    max-width: 800px;
}

/* Top row: image + quote side by side */
.testimonials-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

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

/* Press release image card */
.testimonial-media {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.testimonial-media a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    height: 100%;
}

.testimonial-media img {
    width: 100%;
    flex: 1;
    object-fit: cover;
    object-position: top;
    min-height: 200px;
    transition: transform 0.2s;
}

.testimonial-media:hover img {
    transform: scale(1.02);
}

.testimonial-media-caption {
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--mint);
    text-align: center;
    flex-shrink: 0;
}

/* Quote card */
.testimonial-quote {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.testimonial-quote--wide {
    width: 100%;
}

@media (max-width: 768px) {
    .testimonials-grid {
        max-width: 100%;
    }
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
    font-style: italic;
    flex: 1;
    margin-bottom: 16px;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial-author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.testimonial-author-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Quote icon */
.testimonial-icon {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 24px;
    height: 24px;
    color: var(--mint);
    opacity: 0.4;
}

.testimonial-icon svg {
    width: 100%;
    height: 100%;
}

/* ===================
   FOOTER
   =================== */
.footer {
    padding: 40px 24px;
    text-align: center;
    background: var(--surface);
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* ===================
   LIGHTBOX
   =================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    background: var(--surface);
    padding: 12px 20px;
    border-radius: 8px;
    max-width: 600px;
    text-align: center;
}

/* ===================
   MOBILE ADJUSTMENTS
   =================== */
@media (max-width: 768px) {
    .hero { padding: 40px 16px; }
    .section { padding: 40px 16px; }
    .hero-metrics { flex-direction: column; gap: 16px; padding: 20px; }
    .window-chrome { position: relative; }
    .window-dots { display: none; }
    .window-title { font-size: 0; }
    .back-link { white-space: nowrap; }
}