/* ============================================================
   Repio Scribe — 3D/motion concept
   Design tokens carried over from the production site so the two
   experiences stay recognisably the same brand.
   ============================================================ */
:root {
    --bg-dark: #0a0e1a;
    --bg-darker: #060912;
    --bg-card: rgba(20, 24, 38, 0.62);
    --bg-card-solid: #161b2a;
    --bg-card-hover: #1d2438;
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --secondary: #06b6d4;
    --accent: #10b981;
    --accent-dark: #059669;
    --violet: #7c3aed;
    --text-primary: #f1f5f9;
    --text-secondary: #9aa7bd;
    --text-muted: #64748b;
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    --gradient-cta: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-pro: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(99, 102, 241, 0.45);
    --shadow-lg: 0 25px 60px -12px rgba(0, 0, 0, 0.6);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: rgba(99, 102, 241, 0.35); color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 2; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ============================================================
   WORLD LAYER — fixed full-viewport canvas behind everything.
   Content scrolls normally over it (native document scroll).
   ============================================================ */
#world {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100vw;
    height: 100vh;
    outline: none;
}

/* CSS fallback shown while WebGL boots, and permanently when it
   fails or WebGL is unavailable / reduced-motion is on. */
.world-fallback {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 900px 620px at 18% 8%, rgba(79,70,229,0.20) 0%, transparent 60%),
        radial-gradient(ellipse 900px 620px at 84% 18%, rgba(6,182,212,0.14) 0%, transparent 60%),
        radial-gradient(ellipse 700px 700px at 50% 100%, rgba(16,185,129,0.08) 0%, transparent 60%),
        var(--bg-dark);
    opacity: 1;
    transition: opacity 0.6s ease;
}
.world-ready .world-fallback { opacity: 0; }
.no-webgl .world-fallback { opacity: 1 !important; }
.no-webgl #world { display: none; }

/* soft vignette so copy always reads over the particle field */
.world-vignette {
    position: fixed; inset: 0; z-index: 1; pointer-events: none;
    background:
        radial-gradient(ellipse 1400px 900px at 50% 0%, transparent 40%, rgba(6,9,18,0.55) 100%),
        linear-gradient(180deg, rgba(6,9,18,0.15) 0%, transparent 12%, transparent 88%, rgba(6,9,18,0.45) 100%);
}

main { position: relative; z-index: 2; }

.section-label {
    display: inline-block; font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--secondary); margin-bottom: 1rem;
    padding: 0.4rem 1rem; border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-full); background: rgba(6, 182, 212, 0.10);
    backdrop-filter: blur(6px);
}
.section-title {
    font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.16;
    margin-bottom: 1.25rem; letter-spacing: -0.5px;
    text-shadow: 0 8px 40px rgba(6,9,18,0.85);
}
.section-sub {
    font-size: 1.05rem; color: var(--text-secondary); max-width: 640px;
    margin: 0 auto 1rem; line-height: 1.7;
    text-shadow: 0 4px 24px rgba(6,9,18,0.8);
}
.section-head { text-align: center; margin-bottom: 1rem; }
.gradient-text {
    background: var(--gradient-hero); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.18s; }
.reveal-delay-4 { transition-delay: 0.24s; }
.reveal-delay-5 { transition-delay: 0.30s; }
.reveal-delay-6 { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
    .reveal { transition: opacity 0.25s ease; transform: none !important; }
}

/* progress rail — tiny fixed indicator tied to the scroll conductor */
.chapter-rail {
    position: fixed; right: 1.1rem; top: 50%; transform: translateY(-50%);
    z-index: 900; display: flex; flex-direction: column; gap: 0.55rem;
    pointer-events: none;
}
.chapter-rail span {
    width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.18);
    transition: background 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}
.chapter-rail span.active {
    background: var(--secondary); transform: scale(1.5);
    box-shadow: 0 0 10px rgba(6,182,212,0.7);
}
@media (max-width: 900px) { .chapter-rail { display: none; } }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(9, 12, 22, 0.55); backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled { background: rgba(8, 11, 20, 0.9); box-shadow: 0 4px 30px rgba(0,0,0,0.35); }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
.logo-link { display: flex; align-items: center; gap: 0.5rem; }
.logo {
    font-size: 1.4rem; font-weight: 900; letter-spacing: -0.5px;
    background: var(--gradient-hero); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.logo-tag {
    font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; font-weight: 600;
    color: var(--secondary); border: 1px solid rgba(6,182,212,0.35);
    padding: 0.15rem 0.45rem; border-radius: 5px; letter-spacing: 0.5px;
    background: rgba(6,182,212,0.08);
}
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
    font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
    transition: color var(--transition); position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--gradient-hero); transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.nav-controls { display: flex; gap: 0.75rem; align-items: center; }
.btn-nav-cta {
    padding: 0.5rem 1.25rem; border-radius: var(--radius-sm);
    background: var(--gradient-cta); color: white; font-size: 0.85rem;
    font-weight: 600; transition: all var(--transition);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4); }
.mobile-toggle { display: none; background: none; color: var(--text-primary); font-size: 1.5rem; padding: 0.25rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative; min-height: 100svh; display: flex; align-items: center;
    padding: 8.5rem 2rem 4rem;
}
.hero-grid {
    position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3.5rem; align-items: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent);
    padding: 0.4rem 0.9rem; border: 1px solid rgba(16,185,129,0.3);
    border-radius: var(--radius-full); background: rgba(16,185,129,0.10);
    backdrop-filter: blur(6px); margin-bottom: 1.5rem;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse-dot 2.2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:.35} }
.hero h1 {
    font-size: clamp(2.5rem, 4.8vw, 3.8rem); font-weight: 900; line-height: 1.08;
    margin-bottom: 1.1rem; letter-spacing: -1px;
    text-shadow: 0 10px 50px rgba(6,9,18,0.9);
}
.hero h1 span {
    background: var(--gradient-cta); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
    font-size: 1.15rem; color: var(--text-secondary); max-width: 520px;
    margin-bottom: 2.25rem; line-height: 1.7;
    text-shadow: 0 6px 30px rgba(6,9,18,0.85);
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.75rem; }
.btn-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border-radius: var(--radius-full);
    background: var(--gradient-cta); color: white; font-size: 1rem;
    font-weight: 600; transition: all var(--transition);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(16, 185, 129, 0.45); }
.btn-outline {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border-radius: var(--radius-full);
    background: rgba(10,14,26,0.35); color: var(--text-primary); font-size: 1rem;
    font-weight: 600; border: 1px solid rgba(255,255,255,0.18);
    transition: all var(--transition); backdrop-filter: blur(6px);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(79,70,229,0.15); transform: translateY(-3px); }

.hero-mini-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; max-width: 480px; }
.mini-feature { display: flex; align-items: flex-start; gap: 0.6rem; }
.mini-feature .ico {
    flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; display: flex;
    align-items: center; justify-content: center; font-size: 0.95rem;
    background: rgba(79,70,229,0.16); border: 1px solid rgba(79,70,229,0.3);
}
.mini-feature .txt { font-size: 0.82rem; }
.mini-feature .txt strong { display: block; color: var(--text-primary); font-weight: 600; margin-bottom: 0.1rem; }
.mini-feature .txt span { color: var(--text-muted); font-size: 0.78rem; }

/* ---- Hero mockup: floating glass window with parallax tilt ---- */
.hero-mock { position: relative; z-index: 1; perspective: 1400px; }
.screenshot-window {
    background: rgba(19, 23, 37, 0.72); border: 1px solid var(--border-subtle);
    border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
    backdrop-filter: blur(14px);
    transform: rotateX(4deg) rotateY(-8deg) translateZ(0);
    transition: transform 0.2s ease-out;
    will-change: transform;
}
.screenshot-window img { width: 100%; display: block; }
.call-window-bar {
    display: flex; align-items: center; gap: 6px; padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border-subtle);
}
.call-window-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.call-window-bar .dot.r { background: #ef4444; }
.call-window-bar .dot.y { background: #f59e0b; }
.call-window-bar .dot.g { background: #10b981; }
.call-window-title {
    font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-muted);
    margin-left: 0.4rem;
}
.screenshot-window.carousel { position: relative; }
.carousel-slides { position: relative; }
.carousel-slides .carousel-slide { display: none; width: 100%; }
.carousel-slides .carousel-slide.active { display: block; }
.carousel-dots {
    display: flex; justify-content: center; gap: 0.45rem; padding: 0.85rem;
    background: rgba(0,0,0,0.3); border-top: 1px solid var(--border-subtle);
}
.carousel-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
    border: none; padding: 0; cursor: pointer; opacity: 0.5; transition: all var(--transition);
}
.carousel-dot.active { background: var(--secondary); opacity: 1; width: 20px; border-radius: 4px; }
.carousel-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
    width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-subtle);
    background: rgba(10,14,26,0.65); color: var(--text-primary); font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    transition: all var(--transition); backdrop-filter: blur(4px);
}
.carousel-arrow:hover { background: rgba(10,14,26,0.9); border-color: var(--border-glow); }
.carousel-arrow.prev { left: 0.75rem; }
.carousel-arrow.next { right: 0.75rem; }

/* ---- Any card/box that opens a screenshot lightbox ---- */
[data-shot] { cursor: zoom-in; }
.feature-card[data-shot]:hover, .integration-box[data-shot]:hover { border-color: var(--border-glow); }
.shot-hint {
    margin-top: 0.85rem; display: inline-flex; align-items: center; gap: 0.35rem;
    font-size: 0.74rem; font-weight: 600; color: var(--secondary); opacity: 0.85;
}
.features-grid.cols-5 { grid-template-columns: repeat(2, 1fr); }
.features-grid.cols-5 .feature-card:last-child { grid-column: 1 / -1; }
.feature-card-h { display: flex; align-items: flex-start; gap: 1.15rem; }
.feature-card-h .feature-icon { margin-bottom: 0; flex-shrink: 0; }
.feature-card-h .feature-text { flex: 1; min-width: 0; }
.feature-card-h h3 { margin-bottom: 0.4rem; }
@media (max-width: 560px) {
    .feature-card-h { flex-direction: column; }
}
.lightbox {
    position: fixed; inset: 0; background: rgba(6,9,18,0.94); z-index: 1100;
    display: none; align-items: center; justify-content: center; padding: 2rem; cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
    max-width: min(1100px, 92vw); max-height: 88vh; border-radius: var(--radius);
    border: 1px solid var(--border-subtle); box-shadow: var(--shadow-lg); cursor: default;
}
.lightbox-close {
    position: absolute; top: 1.5rem; right: 1.5rem; width: 40px; height: 40px;
    border-radius: 50%; background: var(--bg-card-solid); border: 1px solid var(--border-subtle);
    color: var(--text-primary); font-size: 1.4rem; line-height: 1; cursor: pointer;
    z-index: 2;
}

/* ---- Hero carousel, enlarged in the lightbox ---- */
.lightbox-carousel.open { flex-direction: column; gap: 1.25rem; cursor: default; }
.lightbox-carousel-inner {
    position: relative; width: 100%; max-width: min(1100px, 92vw);
}
.lightbox-carousel-slide {
    display: none; width: 100%; border-radius: var(--radius);
    border: 1px solid var(--border-subtle); box-shadow: var(--shadow-lg);
}
.lightbox-carousel-slide.active { display: block; }
.carousel-slides { cursor: zoom-in; }

/* ============================================================
   STATS
   ============================================================ */
.stats-section { padding: 8rem 0 6rem; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center;
    transition: all var(--transition); backdrop-filter: blur(10px);
}
.stat-card:hover { border-color: var(--border-glow); transform: translateY(-4px); background: var(--bg-card-hover); }
.stat-num {
    font-size: 2.4rem; font-weight: 900; line-height: 1;
    background: var(--gradient-hero); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.6rem;
}
.stat-label { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works { padding: 8rem 0 6rem; position: relative; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.step {
    padding: 2rem 1.5rem; background: var(--bg-card);
    border: 1px solid var(--border-subtle); border-radius: var(--radius);
    position: relative; transition: all var(--transition); backdrop-filter: blur(10px);
}
.step:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.step-number {
    font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 700;
    color: var(--secondary); margin-bottom: 1rem; opacity: 0.85;
}
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.step p { font-size: 0.86rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   OUTPUT
   ============================================================ */
.output-section { padding: 6rem 0; }
.output-grid { margin-top: 3rem; }
.output-grid .screenshot-window { transform: none; max-width: 900px; margin: 0 auto; }

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.features { padding: 6rem 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius); padding: 2rem; transition: all var(--transition);
    position: relative; overflow: hidden; backdrop-filter: blur(10px);
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-hero); opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-5px); border-color: var(--border-glow);
    box-shadow: 0 20px 40px rgba(0,0,0,0.35); background: var(--bg-card-hover); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px; display: flex;
    align-items: center; justify-content: center; font-size: 1.4rem;
    margin-bottom: 1.25rem; background: rgba(79, 70, 229, 0.14);
    border: 1px solid rgba(79, 70, 229, 0.28);
}
.feature-card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: 0.6rem; }
.feature-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   INTEGRATION
   ============================================================ */
.integration { padding: 6rem 0; }
.integration-intro { max-width: 700px; margin: 0 auto 3rem; text-align: center; }
.integration-intro p { color: var(--text-secondary); font-size: 1rem; line-height: 1.7; text-shadow: 0 6px 24px rgba(6,9,18,0.8); }
.integration-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.integration-box {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius); padding: 1.75rem; backdrop-filter: blur(10px);
}
.integration-box h4 {
    font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--secondary); margin-bottom: 1rem;
}
.integration-box ul li {
    font-size: 0.88rem; color: var(--text-secondary); padding: 0.4rem 0;
    display: flex; align-items: flex-start; gap: 0.5rem; line-height: 1.5;
}
.integration-box ul li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.compat-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.compat-tag {
    font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; padding: 0.4rem 0.85rem;
    border-radius: var(--radius-sm); background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-subtle); color: var(--text-secondary);
}
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.stack-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm); padding: 1.25rem 1.4rem;
    display: flex; align-items: center; gap: 0.9rem; backdrop-filter: blur(10px);
}
.stack-card .ico { font-size: 1.3rem; flex-shrink: 0; }
.stack-card .name { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.15rem; }
.stack-card .desc { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================================
   CALCULATOR
   ============================================================ */
.calc-section { padding: 6rem 0; }
.calc-card {
    max-width: 780px; margin: 3rem auto 0; background: var(--bg-card-solid);
    border: 1px solid var(--border-subtle); border-radius: var(--radius);
    padding: 2.5rem; box-shadow: var(--shadow-lg);
}
.calc-row { margin-bottom: 1.75rem; }
.calc-row-label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.75rem; }
.calc-row-label span:first-child { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.calc-row-label span.calc-val { font-family: 'JetBrains Mono', monospace; color: var(--secondary); font-weight: 700; }
input[type="range"] {
    -webkit-appearance: none; width: 100%; height: 6px; border-radius: 3px;
    background: rgba(255,255,255,0.1); outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--gradient-hero); cursor: pointer; box-shadow: 0 0 0 4px rgba(79,70,229,0.2);
}
input[type="range"]::-moz-range-thumb {
    width: 20px; height: 20px; border-radius: 50%; border: none;
    background: var(--gradient-hero); cursor: pointer; box-shadow: 0 0 0 4px rgba(79,70,229,0.2);
}
.calc-configs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
.calc-config {
    cursor: pointer; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
    padding: 0.9rem 0.75rem; text-align: center; transition: all var(--transition);
    background: rgba(255,255,255,0.02);
}
.calc-config input { display: none; }
.calc-config .cfg-name { font-size: 0.8rem; font-weight: 700; margin-bottom: 0.2rem; }
.calc-config .cfg-note { font-size: 0.68rem; color: var(--text-muted); }
.calc-config.active { border-color: var(--primary); background: rgba(79,70,229,0.12); box-shadow: 0 0 0 1px var(--primary) inset; }
.calc-result {
    margin-top: 2rem; background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(6,182,212,0.07));
    border: 1px solid rgba(16,185,129,0.28); border-radius: var(--radius); padding: 1.75rem;
    text-align: center;
}
.calc-result-time {
    font-size: 2.4rem; font-weight: 900; font-family: 'JetBrains Mono', monospace;
    background: var(--gradient-cta); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 0.4rem;
}
.calc-result-rec { font-size: 0.95rem; color: var(--text-primary); font-weight: 600; }
.calc-footnote { margin-top: 1.25rem; font-size: 0.76rem; color: var(--text-muted); text-align: center; line-height: 1.5; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing { padding: 6rem 0; }
.pricing-intro { max-width: 640px; margin: 0 auto 1rem; text-align: center; color: var(--text-secondary); font-size: 1rem; text-shadow: 0 6px 24px rgba(6,9,18,0.8); }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; max-width: 900px; margin-left: auto; margin-right: auto; }
.pricing-card {
    background: var(--bg-card-solid); border: 1px solid var(--border-subtle);
    border-radius: var(--radius); padding: 2.5rem; position: relative;
    transition: all var(--transition); overflow: hidden; box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
    border-color: rgba(79, 70, 229, 0.45);
    background: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(6,182,212,0.07));
}
.pricing-card.featured::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-pro);
}
.pricing-badge {
    display: inline-block; padding: 0.3rem 1rem; border-radius: var(--radius-full);
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 1rem;
    background: rgba(6,182,212,0.15); color: var(--secondary); border: 1px solid rgba(6,182,212,0.3);
}
.pricing-card.featured .pricing-badge { background: rgba(79, 70, 229, 0.18); color: var(--primary-light); border-color: rgba(79,70,229,0.32); }
.pricing-card h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: 0.5rem; }
.pricing-card .price { font-size: 2.2rem; font-weight: 900; margin: 1rem 0 0.25rem; }
.price-note { font-size: 0.76rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.pricing-features li {
    padding: 0.5rem 0; font-size: 0.88rem; color: var(--text-secondary);
    display: flex; align-items: flex-start; gap: 0.5rem;
}
.pricing-features .check { color: var(--accent); font-weight: bold; flex-shrink: 0; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta { padding: 8rem 0 9rem; text-align: center; position: relative; }
.final-cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.final-cta p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.7; text-shadow: 0 6px 24px rgba(6,9,18,0.85); }
.btn-cta-final {
    display: inline-flex; align-items: center; gap: 0.75rem;
    padding: 1.15rem 2.75rem; border-radius: var(--radius-full);
    background: var(--gradient-cta); color: white; font-size: 1.1rem;
    font-weight: 700; transition: all var(--transition);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.45);
}
.btn-cta-final:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 15px 50px rgba(16, 185, 129, 0.55); }
.final-cta-meta { margin-top: 1.5rem; font-size: 0.85rem; color: var(--text-muted); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 3rem 0 2rem; border-top: 1px solid var(--border-subtle); background: rgba(6,9,18,0.55); backdrop-filter: blur(12px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.footer-brand .logo { margin-bottom: 1rem; display: inline-block; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); max-width: 300px; line-height: 1.6; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; color: var(--text-secondary); }
.footer-col a { display: block; font-size: 0.85rem; color: var(--text-muted); padding: 0.3rem 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
    text-align: center; padding-top: 2rem; border-top: 1px solid var(--border-subtle);
    font-size: 0.8rem; color: var(--text-muted); display: flex; justify-content: center;
    gap: 0.5rem; flex-wrap: wrap;
}

/* ============================================================
   PERF / ACCESS NOTICE (dev-only banner, hidden by default)
   ============================================================ */
.perf-note { display: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-mock { max-width: 520px; margin: 0 auto; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .integration-cols { grid-template-columns: 1fr; }
    .stack-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .calc-configs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav { position: relative; }
    .nav-links { display: none; }
    .nav-links.open {
        display: flex; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
        z-index: 999; flex-direction: column; justify-content: center; align-items: stretch;
        background: rgba(6,9,18,0.98); backdrop-filter: blur(20px) saturate(160%);
        padding: 6rem 2rem 3rem; gap: 0.6rem;
    }
    .nav-links.open a {
        padding: 1.35rem 0.25rem; width: 100%; font-size: 1.55rem; font-weight: 700;
        border-bottom: 1px solid var(--border-subtle); color: var(--text-primary);
    }
    .nav-links.open a:last-child { border-bottom: none; }
    body.nav-open { overflow: hidden; }
    .mobile-toggle {
        display: flex; align-items: center; justify-content: center;
        position: relative; z-index: 1001; width: 40px; height: 40px;
    }
    /* header overflows at phone widths: "Repio Scribe" + tag + CTA + toggle
       is wider than the viewport, so the logo wraps to two lines and
       collides with the CTA button. Trim the row instead. */
    .logo-tag { display: none; }
    .logo { font-size: 1.15rem; }
    .nav-controls { gap: 0.5rem; }
    .btn-nav-cta { padding: 0.45rem 0.9rem; font-size: 0.78rem; }
    .hero { padding: 7.5rem 1.25rem 3rem; min-height: auto; }
    .hero-buttons { flex-direction: column; }
    .hero-mini-features { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .features-grid, .features-grid.cols-5 { grid-template-columns: 1fr; }
    .stack-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .container { padding: 0 1.25rem; }
    .calc-configs { grid-template-columns: 1fr 1fr; }
    .calc-card { padding: 1.75rem 1.25rem; }
    .screenshot-window { transform: none; }
}