/* ============================================================
   BlackShip Developers — pure-black, AMOLED-optimized theme
   ============================================================ */
:root {
  --bg: #000000;
  --surface: #0d0d0f;
  --surface-2: #141417;
  --border: #232327;
  --text: #f5f5f7;
  --text-soft: #a1a1a6;
  --text-dim: #6e6e73;
  --ms-accent: #3d7bff;          /* MemorySpace blue */
  --ms-glow: rgba(61, 123, 255, 0.22);
  --pp-accent: #ff4d5a;          /* PowerPDF red */
  --pp-glow: rgba(255, 77, 90, 0.16);
  --pc-accent: #7c5cff;          /* Picto violet */
  --pc-glow: rgba(124, 92, 255, 0.20);
  --thp-accent: #2ed3c6;         /* Too Hard Pile teal */
  --thp-glow: rgba(46, 211, 198, 0.18);
  --mint: #2ee6a8;
  --radius: 20px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; flex: none; display: block; }
.brand-mark.small { width: 22px; height: 22px; border-radius: 6px; }
.brand-accent { color: var(--text-dim); font-weight: 500; }
.nav-links { display: flex; gap: 28px; font-size: 15px; color: var(--text-soft); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  position: relative; text-align: center;
  padding: 120px 24px 96px; max-width: 900px; margin: 0 auto;
}
.hero-glow {
  position: absolute; top: -180px; left: 50%; transform: translateX(-50%);
  width: min(720px, 100vw); height: 480px; pointer-events: none;
  background: radial-gradient(ellipse at center, var(--ms-glow), transparent 65%);
  filter: blur(20px);
}
.hero-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 100px; padding: 7px 16px; margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(42px, 7vw, 76px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.05;
  background: linear-gradient(180deg, #ffffff 55%, #9d9da4);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { margin: 24px auto 40px; font-size: clamp(17px, 2.4vw, 21px); color: var(--text-soft); max-width: 620px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px; border-radius: 100px; font-weight: 600; font-size: 16px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--ms-accent); color: #fff;
  box-shadow: 0 8px 32px var(--ms-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(61, 123, 255, 0.35); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: var(--pp-accent); transform: translateY(-2px); box-shadow: 0 8px 32px var(--pp-glow); }
.btn-ghost.pc:hover { border-color: var(--pc-accent); box-shadow: 0 8px 32px var(--pc-glow); }
.btn-ghost.ms:hover { border-color: var(--ms-accent); box-shadow: 0 8px 32px var(--ms-glow); }
.btn-primary.thp { background: var(--thp-accent); color: #04211f; box-shadow: 0 8px 32px var(--thp-glow); }
.btn-primary.thp:hover { box-shadow: 0 12px 40px rgba(46, 211, 198, 0.34); }

.hero-stats {
  margin-top: 72px; display: flex; justify-content: center; gap: 56px; flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-top { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.stat-label { font-size: 13.5px; color: var(--text-dim); }

/* ---------- App sections ---------- */
.app-section { max-width: 1080px; margin: 0 auto; padding: 96px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.app-icon { margin: 0 auto 20px; border-radius: 18px; box-shadow: 0 12px 48px rgba(61,123,255,0.25); }
.section-eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 14px;
}
.ms-accent { color: var(--ms-accent); }
.pp-accent { color: var(--pp-accent); }
.pc-accent { color: var(--pc-accent); }
.thp-accent { color: var(--thp-accent); }
.app-section h2 {
  font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12;
}
.section-sub { margin-top: 18px; color: var(--text-soft); font-size: 18px; }
.section-sub.left { text-align: left; }

/* ---------- Video stage ---------- */
.video-stage { margin: 0 auto 72px; max-width: 860px; }
.video-frame {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(61, 123, 255, 0.12), 0 4px 24px rgba(0,0,0,0.6);
  background: var(--surface);
}
.video-frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-sound {
  position: absolute; right: 14px; bottom: 14px; z-index: 2;
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.55); backdrop-filter: blur(8px); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: background 0.2s;
}
.video-sound:hover { background: rgba(0,0,0,0.8); }
.video-sound.unmuted .mute-line { display: none; }

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 72px;
}
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; transition: transform 0.25s, border-color 0.25s;
}
.feature:hover { transform: translateY(-4px); border-color: #35353b; }
.feature-ico {
  width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 19px; margin-bottom: 16px;
}
.ms-ico { background: rgba(61, 123, 255, 0.14); color: var(--ms-accent); }
.feature h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.feature p { font-size: 15px; color: var(--text-soft); line-height: 1.55; }

/* ---------- Screenshot gallery ---------- */
.gallery { margin: 0 -24px 64px; overflow: hidden; position: relative; }
.gallery::before, .gallery::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 60px; z-index: 2; pointer-events: none;
}
.gallery::before { left: 0; background: linear-gradient(90deg, #000, transparent); }
.gallery::after { right: 0; background: linear-gradient(-90deg, #000, transparent); }
.gallery-track {
  display: flex; gap: 18px; padding: 12px 60px; overflow-x: auto;
  scrollbar-width: none;
}
.gallery-track::-webkit-scrollbar { display: none; }
.gallery-track { cursor: grab; }
.gallery-track.dragging { cursor: grabbing; }
.gallery-track.dragging img { pointer-events: none; transform: none; }
.gallery-track img {
  width: 250px; height: auto; flex: none; border-radius: 22px;
  border: 1px solid var(--border); scroll-snap-align: center;
  transition: transform 0.3s;
}
.gallery-track img:hover { transform: translateY(-6px) scale(1.02); }

/* ---------- Store CTA ---------- */
.store-cta { text-align: center; }
.store-cta.left { text-align: left; margin-top: 36px; }
.play-badge { display: inline-block; transition: transform 0.2s, filter 0.2s; }
.play-badge:hover { transform: translateY(-2px); filter: brightness(1.15); }
.cta-note { margin-top: 12px; font-size: 13.5px; color: var(--text-dim); }

/* ---------- PowerPDF split ---------- */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; align-items: center; }
.split-copy h2 { margin-bottom: 0; }
.check-list { list-style: none; margin: 28px 0 0; display: flex; flex-direction: column; gap: 16px; }
.check-list li {
  position: relative; padding-left: 34px; color: var(--text-soft); font-size: 16px; line-height: 1.55;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; border-radius: 50%; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  background: var(--pp-glow); color: var(--pp-accent);
}
.check-list strong { color: var(--text); font-weight: 600; }

/* CSS phone mockup */
.phone {
  width: 280px; margin: 0 auto; border-radius: 42px; padding: 12px;
  background: linear-gradient(160deg, #1c1c1f, #0a0a0c);
  border: 1px solid #2c2c30;
  box-shadow: 0 30px 90px var(--pp-glow), 0 8px 32px rgba(0,0,0,0.7);
}
.phone-screen {
  border-radius: 32px; background: #0b0b0d; overflow: hidden;
  position: relative; border: 1px solid #1c1c20;
}
.phone-screen video { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; display: block; }
.pp-icon { border-radius: 18px; box-shadow: 0 12px 48px rgba(255, 77, 90, 0.3); }
.split-heading { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 4px; }
.pp-gallery { margin-top: 64px; }

/* ---------- Picto (violet accent) ---------- */
.pc-icon { border-radius: 18px; box-shadow: 0 12px 48px var(--pc-glow); }
.pc-ico { background: rgba(124, 92, 255, 0.16); color: #a996ff; }
.picto-video { margin: 0 auto 72px; }
.pc-phone { box-shadow: 0 30px 90px var(--pc-glow), 0 8px 32px rgba(0,0,0,0.7); }
.pc-gallery { margin-top: 8px; }

/* ---------- Too Hard Pile (teal accent) ---------- */
.thp-icon { border-radius: 18px; box-shadow: 0 12px 48px var(--thp-glow); }
.thp-ico { background: rgba(46, 211, 198, 0.14); color: var(--thp-accent); }
.thp-phone { box-shadow: 0 30px 90px var(--thp-glow), 0 8px 32px rgba(0,0,0,0.7); }
.thp-gallery { margin-top: 8px; }
.page-shot { max-width: 900px; margin: 0 auto 8px; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: 0 24px 80px var(--thp-glow), 0 4px 24px rgba(0,0,0,0.6); }
.page-shot img { width: 100%; height: auto; display: block; }
.page-shot + .shot-caption { text-align: center; font-size: 13.5px; color: var(--text-dim); margin-top: 14px; }
.thp-gallery .gallery-track img { width: 440px; border-radius: 14px; }
@media (max-width: 420px) { .thp-gallery .gallery-track img { width: 280px; } }
.plan-grid { grid-template-columns: repeat(2, 1fr); max-width: 720px; margin-left: auto; margin-right: auto; }
.plan-grid .feature:hover { transform: none; }
.feature p.plan-price { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin: 6px 0 12px; color: var(--text); line-height: 1.25; }
.feature p.plan-price .per { font-size: 14px; font-weight: 500; color: var(--text-dim); }
@media (max-width: 560px) { .plan-grid { grid-template-columns: 1fr; } }

/* ---------- Philosophy band ---------- */
.band {
  max-width: 1080px; margin: 0 auto; padding: 96px 24px 120px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.bs-accent {
  background: linear-gradient(90deg, var(--ms-accent), #8b5cf6, var(--mint));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.bs-icon { box-shadow: 0 12px 48px rgba(139, 92, 246, 0.3); }
.promise-grid { margin-bottom: 0; }
.ico-brand {
  color: transparent;
  background-image:
    linear-gradient(135deg, #8ab4ff, var(--ms-accent) 45%, var(--mint)),
    linear-gradient(rgba(122, 165, 255, 0.14), rgba(122, 165, 255, 0.14));
  -webkit-background-clip: text, border-box;
  background-clip: text, border-box;
  border: 1px solid rgba(122, 165, 255, 0.25);
}
.ico-blue { background: rgba(61, 123, 255, 0.14); color: var(--ms-accent); }
.ico-violet { background: rgba(139, 92, 246, 0.16); color: #a78bfa; }
.ico-mint { background: rgba(46, 230, 168, 0.12); color: var(--mint); }

/* ---------- Compact app rows (homepage) ---------- */
.app-row-section { padding-top: 76px; padding-bottom: 76px; }
.app-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; max-width: 1080px; margin: 0 auto; }
.app-row-media { display: flex; justify-content: center; order: 2; }
.app-row-copy { order: 1; }
.app-row-media .video-frame { width: 100%; }
.app-row-head { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.app-icon-sm { width: 44px; height: 44px; border-radius: 12px; flex: none; }
.app-row-copy .section-eyebrow { margin-bottom: 0; text-align: left; }
.app-row-copy h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.14; margin-top: 14px; }
.app-row-copy .desc { margin-top: 16px; color: var(--text-soft); font-size: 16.5px; line-height: 1.62; }
.app-chips { margin-top: 18px; display: flex; gap: 8px; flex-wrap: wrap; }
.app-chips span { font-size: 12.5px; color: var(--text-soft); border: 1px solid var(--border); border-radius: 100px; padding: 5px 13px; }
.app-actions { margin-top: 26px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.btn-details { display: inline-flex; align-items: center; gap: 6px; border: 1.5px solid var(--border); color: var(--text); background: transparent; padding: 12px 24px; border-radius: 100px; font-weight: 600; font-size: 15px; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s; }
.btn-details:hover { transform: translateY(-2px); }
.btn-details.ms { border-color: rgba(61, 123, 255, 0.55); color: #9db8ff; }
.btn-details.pp { border-color: rgba(255, 77, 90, 0.55); color: #ff9099; }
.btn-details.pc { border-color: rgba(124, 92, 255, 0.55); color: #b6a5ff; }
.btn-details.thp { border-color: rgba(46, 211, 198, 0.55); color: #7ee6dc; }
.btn-details.thp:hover { background: var(--thp-accent); border-color: var(--thp-accent); color: #04211f; box-shadow: 0 8px 32px var(--thp-glow); }
.btn-details.ms:hover { background: var(--ms-accent); border-color: var(--ms-accent); color: #fff; box-shadow: 0 8px 32px var(--ms-glow); }
.btn-details.pp:hover { background: var(--pp-accent); border-color: var(--pp-accent); color: #fff; box-shadow: 0 8px 32px var(--pp-glow); }
.btn-details.pc:hover { background: var(--pc-accent); border-color: var(--pc-accent); color: #fff; box-shadow: 0 8px 32px var(--pc-glow); }
.app-actions .cta-note { width: 100%; margin-top: 2px; text-align: left; }
@media (max-width: 900px) {
  .app-row { grid-template-columns: 1fr; gap: 30px; }
  .app-row-copy { text-align: center; }
  .app-row-head, .app-chips, .app-actions { justify-content: center; }
  .app-row-copy .section-eyebrow, .app-row-copy h2 { text-align: center; }
  .app-actions .cta-note { text-align: center; }
  .app-row-media .phone { max-width: 260px; }
}

/* ---------- Dedicated app pages ---------- */
.breadcrumb { max-width: 1080px; margin: 0 auto; padding: 20px 24px 0; font-size: 13.5px; color: var(--text-dim); }
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { color: var(--text-dim); }

.page-hero { max-width: 860px; margin: 0 auto; padding: 40px 24px 24px; text-align: center; }
.page-hero .app-icon { margin-bottom: 20px; }
.page-hero h1 { font-size: clamp(30px, 5.2vw, 50px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.page-hero .purpose { margin: 16px auto 0; font-size: clamp(17px, 2.4vw, 21px); color: var(--text-soft); max-width: 640px; }
.page-hero .who { margin: 14px auto 0; font-size: 15.5px; color: var(--text-dim); max-width: 620px; }
.rating-inline { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-size: 14.5px; color: var(--text-soft); }
.rating-inline .stars { color: #ffce00; letter-spacing: 1px; }
.page-cta { margin-top: 22px; }
.page-cta .cta-note { margin-top: 10px; }

.facts { max-width: 900px; margin: 40px auto 0; padding: 0 24px; }
.facts-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
}
.fact { background: var(--surface); padding: 16px 20px; }
.fact dt { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 4px; }
.fact dd { font-size: 15.5px; color: var(--text); }
.fact dd .yes { color: var(--mint); }
.fact dd .note { color: var(--text-soft); }
.page-video { max-width: 720px; margin: 8px auto 0; }
.page-video .phone { margin: 0 auto; }

.page-section { max-width: 1080px; margin: 0 auto; padding: 64px 24px 0; }
.page-section > h2 { font-size: clamp(24px, 3.6vw, 34px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; text-align: center; }
.page-section > .section-sub { text-align: center; max-width: 680px; margin: 0 auto 36px; }
.prose { max-width: 760px; margin: 0 auto; color: var(--text-soft); font-size: 16.5px; line-height: 1.7; }
.prose p { margin-bottom: 16px; }
.prose a { color: var(--ms-accent); text-decoration: underline; text-underline-offset: 2px; }

.limits { max-width: 760px; margin: 0 auto; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.limits li { position: relative; padding-left: 28px; color: var(--text-soft); font-size: 15.5px; line-height: 1.55; }
.limits li::before { content: "–"; position: absolute; left: 6px; top: 0; color: var(--text-dim); font-weight: 700; }

.page-foot-cta { max-width: 760px; margin: 0 auto; padding: 56px 24px 0; text-align: center; }
.page-links { margin-top: 20px; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; font-size: 14px; color: var(--text-soft); }
.page-links a { text-decoration: underline; text-underline-offset: 2px; }
.page-updated { margin-top: 22px; font-size: 13px; color: var(--text-dim); }

@media (max-width: 560px) {
  .facts-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; padding: 40px 24px 96px; border-top: 1px solid rgba(255,255,255,0.06); }
.faq .section-head { margin-bottom: 40px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: 16px; background: var(--surface);
  overflow: hidden; transition: border-color 0.2s;
}
.faq-item[open] { border-color: #35353b; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 20px 24px;
  font-weight: 600; font-size: 16.5px; letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; color: var(--text-dim); font-size: 24px; font-weight: 300;
  line-height: 1; flex: none; transition: transform 0.25s, color 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--ms-accent); }
.faq-item summary:hover { color: #fff; }
.faq-a { padding: 0 24px 22px; color: var(--text-soft); font-size: 15.5px; line-height: 1.62; }
.faq-a a { color: var(--ms-accent); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 48px 24px 56px; }
.footer-inner { max-width: 1080px; margin: 0 auto; text-align: center; }
.footer-brand {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 15px; margin-bottom: 18px;
}
.footer-links { display: flex; justify-content: center; gap: 28px; font-size: 14px; color: var(--text-soft); margin-bottom: 20px; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 12.5px; color: var(--text-dim); max-width: 560px; margin: 0 auto; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-media { order: 2; }   /* copy first on mobile */
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .band-grid { grid-template-columns: 1fr; }
  .desktop-br { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding: 80px 20px 64px; }
  .hero-stats { gap: 32px; }
  .nav-inner { padding: 12px 16px; }
  .nav-links { gap: 14px; font-size: 13.5px; white-space: nowrap; }
  .brand-accent { display: none; }
  .brand { gap: 8px; }
  .brand-name { font-size: 15px; }
}
@media (max-width: 420px) {
  .brand-name { display: none; }
  .brand-mark { width: 32px; height: 32px; }
  .nav-links { gap: 16px; font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .app-section { padding: 72px 20px; }
  .gallery { margin-bottom: 28px; }
  .gallery-track { padding: 12px 24px; }
  .gallery-track img { width: 210px; }
  .video-stage { margin-bottom: 48px; }
  .feature-grid { margin-bottom: 48px; }
  .btn { width: 100%; max-width: 320px; }
}