/* ═══════════════════════════════════════════════════════════════
   MCAI LABS - INDEX PAGE STYLES
   Premium talent acquisition redesign
   Hero, engine diagram, bento grid, culture section
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────
   HERO
   Immersive full-screen with parallax
   ───────────────────────────────────────────────────────────── */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(245, 158, 11, 0.03), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(15, 23, 42, 0.02), transparent),
        linear-gradient(180deg, var(--bg) 0%, #f1f5f9 50%, var(--bg) 100%);
    overflow: hidden;
}

/* Subtle grid pattern */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.6;
    pointer-events: none;
}

/* Hero image container with parallax */
.hero-image {
    position: absolute;
    top: -50px;
    right: 0;
    width: 60%;
    height: calc(100% + 100px);
    opacity: 0.75;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Premium gradient overlay */
.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        var(--bg) 0%,
        rgba(248, 250, 252, 0.95) 25%,
        rgba(248, 250, 252, 0.7) 50%,
        rgba(248, 250, 252, 0.3) 100%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    text-align: left;
    margin-left: 0;
    margin-right: auto;
}

/* Enhanced eyebrow with badge */
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-lg);
    padding: 6px 16px 6px 6px;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-display);
    letter-spacing: -0.01em;
}

.eyebrow-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--accent);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.eyebrow-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Text reveal headline */
.hero h1 {
    max-width: 14ch;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    line-height: 1.05;
}

.hero h1 .text-reveal-line {
    display: block;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 50%, var(--text-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Teal button variant */
.btn-teal {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%) !important;
}

.btn-teal:hover {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%) !important;
}

.hero-subtitle {
    max-width: 520px;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1.7;
    font-family: var(--font-body);
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Hero button overrides */
.hero .btn-primary.btn-gold,
.hero .btn-primary.btn-teal {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.hero .btn-secondary {
    color: var(--text-primary);
    font-weight: 500;
}

/* Scroll indicator */
.scroll-indicator-wrap {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.1);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.scroll-indicator:hover {
    background: var(--bg-dark);
    color: var(--text-inverse);
    border-color: var(--bg-dark);
}

.scroll-indicator svg {
    width: 20px;
    height: 20px;
}

/* ─────────────────────────────────────────────────────────────
   FLOW DOTS
   Hero animation elements
   ───────────────────────────────────────────────────────────── */

.flow-dot {
    fill: #1a1a1a;
    opacity: 0.6;
}

.flow-dot-1 { animation: flowPath1 4s ease-in-out infinite; }
.flow-dot-2 { animation: flowPath2 5s ease-in-out infinite; }
.flow-dot-3 { animation: flowPath3 4.5s ease-in-out infinite; }
.flow-dot-4 { animation: flowPath4 3.5s ease-in-out infinite; }
.flow-dot-5 { animation: flowPath5 4s ease-in-out infinite 0.5s; }

/* Layer nodes styling - Light theme, technical aesthetic */
.layer-node {
    fill: rgba(255, 255, 255, 0.8);
    stroke: #1a1a1a;
    stroke-width: 1.5;
    transition: all 0.3s ease;
}

.layer-node:hover {
    fill: rgba(45, 122, 122, 0.1);
    stroke: var(--accent);
    stroke-width: 2;
}

.layer-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    fill: #1a1a1a;
    text-anchor: middle;
}

.layer-sublabel {
    font-family: 'Inter', sans-serif;
    font-size: 6px;
    fill: #666;
    text-anchor: middle;
}

.connection-line {
    stroke: #1a1a1a;
    stroke-width: 1;
    stroke-linecap: round;
    fill: none;
    opacity: 0.4;
}

.connection-line-active {
    stroke: #1a1a1a;
    stroke-width: 1.5;
    opacity: 0.6;
    stroke-dasharray: 4 2;
    animation: dashFlow 2s linear infinite;
}

/* Technical line art elements */
.tech-line {
    stroke: #1a1a1a;
    stroke-width: 1;
    fill: none;
    opacity: 0.3;
}

.tech-line-accent {
    stroke: var(--accent);
    stroke-width: 1;
    fill: none;
    opacity: 0.5;
}

.tech-dot {
    fill: #1a1a1a;
    opacity: 0.4;
}

.tech-dot-accent {
    fill: var(--accent);
    opacity: 0.6;
}

/* ─────────────────────────────────────────────────────────────
   LOGOS STRIP
   Elegant social proof
   ───────────────────────────────────────────────────────────── */

.logos-section {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.logos-label {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.logos-track-wrapper {
    position: relative;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
}

.logos-track {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    animation: scroll 40s linear infinite;
    width: max-content;
}

.logos-track:hover {
    animation-play-state: paused;
}

.logo-item {
    height: 32px;
    width: auto;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.logo-item:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ─────────────────────────────────────────────────────────────
   ENGINE DIAGRAM
   Duna.com Exact Clone Style
   ───────────────────────────────────────────────────────────── */

.engine-section {
    background: var(--bg-dark);
    overflow: hidden;
    position: relative;
}

/* Professional grid background pattern */
.engine-section::before {
    content: '';
    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: 40px 40px;
    z-index: 0;
}

/* Subtle corner glow */
.engine-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 30% at 20% 20%, rgba(245, 158, 11, 0.08), transparent),
        radial-gradient(ellipse 40% 25% at 80% 80%, rgba(245, 158, 11, 0.06), transparent);
    pointer-events: none;
    z-index: 0;
}

.engine-section > .container {
    position: relative;
    z-index: 1;
    overflow-x: auto;
}

.engine-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.engine-header .label {
    color: var(--accent);
}

.engine-header .display-lg {
    color: var(--text-inverse);
}

.engine-header .body-lg {
    color: rgba(248, 250, 252, 0.7);
}

/* Duna-style Architecture Diagram */
.arch-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 0;
    gap: 5px;
}

/* Pill nodes (top/bottom/sides) */
.arch-pill {
    width: 190px;
    height: 65px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--text-inverse);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.6s var(--ease-out);
}

.arch-pill.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animated SVG lines */
.arch-line {
    width: 60px;
    height: 60px;
    position: relative;
}

.arch-line svg {
    width: 100%;
    height: 100%;
}

.arch-line path.bg {
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 2px;
    fill: none;
}

.arch-line path.animated {
    stroke: var(--accent);
    stroke-width: 2px;
    fill: none;
    stroke-dasharray: 60px 60px;
    stroke-dashoffset: 60px;
    transition: stroke-dashoffset 1.2s var(--ease-out);
}

.arch-line.visible path.animated {
    stroke-dashoffset: 0;
}

/* Signal dots that travel along lines */
.arch-signal {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

/* Vertical signal (travels down) */
.arch-line.vertical {
    position: relative;
}

.arch-line.vertical .arch-signal {
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}

.arch-line.visible.vertical .arch-signal {
    animation: signalDown 2s ease-in-out infinite;
    animation-delay: var(--signal-delay, 0.5s);
}

/* Horizontal signal (travels right toward center) */
.arch-line.horizontal-right {
    position: relative;
}

.arch-line.horizontal-right .arch-signal {
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}

.arch-line.visible.horizontal-right .arch-signal {
    animation: signalRight 2s ease-in-out infinite;
    animation-delay: var(--signal-delay, 0.5s);
}

/* Horizontal signal (travels left toward center) */
.arch-line.horizontal-left {
    position: relative;
}

.arch-line.horizontal-left .arch-signal {
    top: 50%;
    transform: translateY(-50%);
    right: 0;
}

.arch-line.visible.horizontal-left .arch-signal {
    animation: signalLeft 2s ease-in-out infinite;
    animation-delay: var(--signal-delay, 0.5s);
}

/* Vertical signal (travels up) */
.arch-line.vertical-up {
    position: relative;
}

.arch-line.vertical-up .arch-signal {
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}

.arch-line.visible.vertical-up .arch-signal {
    animation: signalUp 2s ease-in-out infinite;
    animation-delay: var(--signal-delay, 0.5s);
}

/* Horizontal row with center core */
.arch-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* Nested rings container */
.arch-core {
    position: relative;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s var(--ease-out);
}

.arch-core.visible {
    opacity: 1;
    transform: scale(1);
}

.arch-ring-1 {
    padding: 8px;
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: 150px;
    animation: corePulse 4s ease-in-out infinite;
}

.arch-ring-2 {
    padding: 8px;
    border: 2px solid rgba(245, 158, 11, 0.2);
    border-radius: 145px;
}

.arch-ring-3 {
    padding: 8px;
    border: 3px solid rgba(245, 158, 11, 0.25);
    border-radius: 140px;
}

.arch-ring-4 {
    border: 4px solid rgba(245, 158, 11, 0.3);
    border-radius: 130px;
    overflow: hidden;
}

/* Core box with image - reduced size */
.arch-core-box {
    width: 380px;
    height: 160px;
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.arch-core-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(245, 158, 11, 0.15), transparent);
}

.arch-core-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(245, 158, 11, 0.1) 0%,
        transparent 50%,
        rgba(245, 158, 11, 0.05) 100%);
}

.arch-core-text {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #f7f7f5;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 20px rgba(245, 158, 11, 0.3);
}

/* ─────────────────────────────────────────────────────────────
   GROWTH ILLUSTRATION
   Product section SVG animation
   ───────────────────────────────────────────────────────────── */

.growth-illustration {
    width: 100%;
    height: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fafaf9 0%, #f5f5f0 100%);
}

.growth-illustration svg {
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.growth-pulse {
    animation: growthPulse 2s ease-in-out infinite;
    transform-origin: center;
}

.growth-pulse-delayed {
    animation: growthPulse 2s ease-in-out infinite 0.5s;
}

.growth-dot {
    animation: dotPulse 1.5s ease-in-out infinite;
}

.growth-dot-2 { animation-delay: 0.3s; }
.growth-dot-3 { animation-delay: 0.6s; }

.growth-line-draw {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: lineDraw 2s ease-out forwards;
}

/* Feature Illustration Swap — Slide-Morph */
.feature-illustration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.97);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    z-index: 1;
}

.feature-illustration.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    z-index: 2;
}

/* Exiting animation: slide up + fade */
.feature-illustration.exiting {
    opacity: 0;
    visibility: visible;
    transform: translateY(-8px) scale(0.98);
    z-index: 1;
}

.feature-illustration svg {
    width: 100%;
    height: 100%;
    max-width: 500px;
    padding: var(--space-md);
    position: relative;
    z-index: 1;
}

/* Gauge animation for Audit — triggers each time .active */
.gauge-fill {
    stroke-dasharray: 188;
    stroke-dashoffset: 188;
}

.feature-illustration.active .gauge-fill {
    animation: gaugeFill 1.5s ease-out forwards 0.3s;
}

/* (Removed: gauge-glow, checklist-item, scan-line, code-line-anim, fixed-badge-anim
   opacity:0 defaults and animation triggers — these used CSS transforms that override
   SVG transform="translate()" attributes, causing text overlap. All SVG content is
   now always visible; the container slide-morph transition handles show/hide.) */

/* Blinking cursor */
.code-cursor {
    animation: cursorBlink 1s step-end infinite;
}

/* (Removed: donut-segment stroke-dashoffset animation and channel-bar-fill scaleX —
   CSS transform: scaleX() overrides SVG transform attributes. Donut and bars are now
   always visible with their final appearance. Container handles show/hide.) */

/* Health Monitor — line draw resets each activation */
.monitor-line-draw {
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
}

.feature-illustration.active .monitor-line-draw {
    animation: monitorDrawReset 1.5s ease-out forwards 0.2s;
}

/* (Removed: monitor-area, monitor-pulse, data-point, kpi-card opacity:0 defaults
   and animation triggers — these failed to re-trigger on tab auto-rotate, leaving
   content invisible. All SVG content is now always visible.) */

/* ROAS sparkline */
.sparkline-path {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
}

.feature-illustration.active .sparkline-path {
    animation: sparklineDraw 1s ease-out forwards 1.5s;
}

/* ─────────────────────────────────────────────────────────────
   SPEAKING SECTION
   Bento grid social proof
   ───────────────────────────────────────────────────────────── */

.speaking-section {
    background: var(--bg-warm);
}

.speaking-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.speaking-header h2 {
    margin-bottom: var(--space-sm);
}

/* ─────────────────────────────────────────────────────────────
   CULTURE SECTION
   Bento grid team/culture showcase
   ───────────────────────────────────────────────────────────── */

.culture-section {
    background: var(--bg);
    padding: var(--space-3xl) 0;
}

.culture-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.culture-header h2 {
    margin-bottom: var(--space-md);
}

.culture-header .body-lg {
    color: var(--text-secondary);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.culture-card {
    background: var(--bg-pure);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.culture-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    border-color: transparent;
}

.culture-card:hover::before {
    opacity: 1;
}

.culture-card-featured {
    background: var(--bg-dark);
    border-color: transparent;
}

.culture-card-featured h3,
.culture-card-featured p {
    color: var(--text-inverse);
}

.culture-card-featured p {
    opacity: 0.8;
}

.culture-card-featured .culture-card-icon {
    color: var(--accent);
}

.culture-card-featured::before {
    opacity: 1;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
}

.culture-card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--accent);
}

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

.culture-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.culture-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.culture-cta {
    text-align: center;
}

/* Value props 6-card grid */
.value-props-grid-6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* ─────────────────────────────────────────────────────────────
   FOUNDER SECTION
   Credibility & background showcase
   ───────────────────────────────────────────────────────────── */

.founder-section {
    background: var(--bg);
    padding: var(--space-3xl) 0;
}

.founder-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.founder-header h2 {
    margin-bottom: var(--space-md);
}

.founder-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* Featured Quote Card */
.founder-card-featured {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    grid-row: span 1;
}

.founder-card-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.founder-card-quote {
    color: var(--accent);
    margin-bottom: var(--space-md);
    opacity: 0.6;
}

.founder-card-quote svg {
    width: 32px;
    height: 32px;
}

.founder-quote-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-inverse);
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.founder-brands {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(248, 250, 252, 0.6);
    font-size: 0.9375rem;
    font-weight: 500;
}

.brand-dot {
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}

/* Stat Cards */
.founder-stat-card {
    background: var(--bg-pure);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.founder-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    border-color: transparent;
}

.founder-stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.founder-stat-label {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.founder-stat-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.founder-cta {
    text-align: center;
}

.founder-cta .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.founder-cta .btn-secondary svg {
    width: 16px;
    height: 16px;
}


/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .engine-header {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .arch-diagram {
        transform: scale(0.7);
        transform-origin: center;
        padding: 40px 0;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }

    .hero-image {
        width: 100%;
        opacity: 0.4;
    }

    .hero-image::after {
        background: linear-gradient(180deg, rgba(250, 250, 249, 0.9) 0%, rgba(250, 250, 249, 0.7) 100%);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta-group {
        flex-direction: column;
        gap: 12px;
    }

    .hero-cta-group .btn-primary,
    .hero-cta-group .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .arch-diagram {
        transform: scale(0.65);
        transform-origin: top center;
    }

    .arch-core-box {
        width: 260px;
        height: 120px;
    }

    .arch-core-text {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    .arch-diagram {
        transform: scale(0.5);
    }

    .engine-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
}


@media (max-width: 480px) {
    .arch-diagram {
        transform: scale(0.4);
        transform-origin: top center;
        margin-bottom: -120px;
    }

    .hero-eyebrow {
        font-size: 0.75rem;
    }
}

/* Culture section responsive */
@media (max-width: 1024px) {
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .value-props-grid-6 {
        grid-template-columns: repeat(2, 1fr);
    }

    .founder-grid {
        grid-template-columns: 1fr 1fr;
    }

    .founder-card-featured {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .culture-grid {
        grid-template-columns: 1fr;
    }

    .culture-section {
        padding: var(--space-2xl) 0;
    }

    .scroll-indicator-wrap {
        display: none;
    }

    .hero-eyebrow {
        flex-wrap: wrap;
        justify-content: center;
    }

    .value-props-grid-6 {
        grid-template-columns: 1fr;
    }

    .founder-grid {
        grid-template-columns: 1fr;
    }

    .founder-card-featured {
        grid-column: span 1;
    }

    .founder-quote-text {
        font-size: 1.25rem;
    }

    .founder-stat-number {
        font-size: 2rem;
    }

    .founder-section {
        padding: var(--space-2xl) 0;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .arch-signal { animation: none !important; }
}