/* ============================================================
   CarLoc — Landing page
   Thème sombre, bleu CarLoc + ambre (même famille que STM)
   ============================================================ */

:root {
  --bg: #060a14;
  --bg-elevated: #0b1120;
  --bg-card: #0f1729;
  --bg-card-hover: #142036;
  --border: #1d2a44;
  --border-strong: #2b3c5e;
  --text: #f1f5fb;
  --text-dim: #a5b1c6;
  --text-faint: #6c7a93;
  --blue: #4f7dff;
  --blue-dim: #4f7dff26;
  --sky: #7cc4ff;
  --sky-dim: #7cc4ff22;
  --amber: #ffb547;
  --amber-dim: #ffb54724;
  --green: #34d399;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 16px;
  --container: 1180px;
  --shadow-shot: 0 30px 80px -30px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
}

section { position: relative; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 6%, var(--blue-dim), transparent 42%),
    radial-gradient(circle at 92% 18%, var(--amber-dim), transparent 38%),
    radial-gradient(circle at 50% 100%, var(--sky-dim), transparent 45%),
    var(--bg);
}

/* ---------------- Nav ---------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(6, 10, 20, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.75rem;
  max-width: var(--container);
  margin: 0 auto;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.nav-logo img { width: 30px; height: 30px; border-radius: 8px; }

.nav-links { display: flex; gap: 1.6rem; align-items: center; }

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-links a.nav-cta,
.btn-primary {
  background: linear-gradient(95deg, var(--blue), var(--sky));
  color: #04122b;
}

.nav-links a.nav-cta {
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
}

.nav-links a.nav-cta:hover { color: #04122b; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px var(--blue); }

.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover { border-color: var(--sky); transform: translateY(-2px); }

.btn-lg { padding: 1.05rem 2.2rem; font-size: 1rem; }

/* ---------------- Hero ---------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 3.5rem;
  align-items: center;
  padding-top: 5rem;
  padding-bottom: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}

.hero h1 {
  font-size: clamp(2.3rem, 4.8vw, 3.7rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.07;
  margin-bottom: 1.3rem;
}

.accent {
  background: linear-gradient(110deg, var(--sky), var(--blue) 45%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .lead {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 1.6rem; }

.hero-checks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  color: var(--text-faint);
  font-size: 0.88rem;
}

.hero-checks li::before { content: "✓"; color: var(--green); font-weight: 800; margin-inline-end: 0.4rem; }

.hero-shot { position: relative; }

.window {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-shot);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 0.8rem;
  background: #e8edf5;
  border-bottom: 1px solid #d5dce8;
}

.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: #c3cad8; }
.window-bar span:first-child { background: #ff6159; }
.window-bar span:nth-child(2) { background: #ffbd2e; }
.window-bar span:nth-child(3) { background: #28c941; }

.window-bar em {
  margin-inline-start: 0.6rem;
  font-style: normal;
  font-size: 0.75rem;
  color: #5b6577;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-shot .window { transform: perspective(1600px) rotateY(-7deg) rotateX(2deg); transform-origin: left center; }

.hero-float {
  position: absolute;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: rgba(11, 17, 32, 0.92);
  border: 1px solid var(--border-strong);
  box-shadow: 0 16px 40px -16px #000;
  backdrop-filter: blur(8px);
}

.hero-float strong { font-size: 1.05rem; }
.hero-float span { font-size: 0.78rem; color: var(--text-dim); }
.hero-float-a { left: -1.6rem; bottom: 12%; }
.hero-float-a strong { color: var(--amber); }
.hero-float-b { right: -0.8rem; top: -1.2rem; }
.hero-float-b strong { color: var(--sky); }

/* ---------------- Stats band ---------------- */

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-elevated);
  text-align: center;
}

.stat .num {
  font-size: 2.3rem;
  font-weight: 900;
  background: linear-gradient(120deg, var(--sky), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat .label { font-size: 0.85rem; color: var(--text-faint); }

/* ---------------- Sections ---------------- */

.section { padding-top: 6rem; padding-bottom: 6rem; }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.2rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.8rem;
}

.section-head h2,
.contract-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.section-head p { color: var(--text-dim); font-size: 1.05rem; }

/* ---------------- Reveal ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(.16,.84,.44,1), transform 0.7s cubic-bezier(.16,.84,.44,1);
}

.reveal.in-view { opacity: 1; transform: none; }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger.in-view > * { opacity: 1; transform: none; }

.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 0.07s; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 0.14s; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 0.21s; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 0.28s; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: 0.35s; }
.reveal-stagger.in-view > *:nth-child(7) { transition-delay: 0.42s; }
.reveal-stagger.in-view > *:nth-child(8) { transition-delay: 0.49s; }
.reveal-stagger.in-view > *:nth-child(9) { transition-delay: 0.56s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
}

/* ---------------- Features ---------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.feature-card:hover { border-color: var(--border-strong); background: var(--bg-card-hover); transform: translateY(-4px); }

.feature-card.highlight {
  border-color: #4f7dff66;
  background: linear-gradient(160deg, #13234a 0%, var(--bg-card) 70%);
}

.feature-card .icon {
  font-size: 1.5rem;
  width: 2.9rem;
  height: 2.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--blue-dim);
}

.feature-card h3 { font-size: 1.08rem; font-weight: 700; }
.feature-card p { color: var(--text-dim); font-size: 0.9rem; }

.feature-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }

.feature-card li { font-size: 0.86rem; color: var(--text-dim); display: flex; gap: 0.5rem; }

.feature-card li::before { content: "→"; color: var(--amber); flex-shrink: 0; }

/* ---------------- Contract ---------------- */

.contract-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 4rem;
  align-items: center;
  padding: 3rem;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: linear-gradient(150deg, #0e1a36 0%, #0a1020 60%, #1a1608 130%);
}

.contract-text p { color: var(--text-dim); font-size: 1.02rem; margin-bottom: 1.4rem; }

.check-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }

.check-list li {
  position: relative;
  padding-inline-start: 1.8rem;
  color: var(--text-dim);
  font-size: 0.94rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 0;
  top: 0.05rem;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  color: #04122b;
  background: var(--green);
}

.check-list strong { color: var(--text); }

.contract-visual { position: relative; height: 600px; }

.paper {
  position: absolute;
  width: 70%;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-shot);
  transition: transform 0.4s ease;
}

.paper-back { right: 2%; top: 0; transform: rotate(5deg); opacity: 0.9; }
.paper-front { left: 4%; top: 30px; transform: rotate(-3deg); }
.contract-visual:hover .paper-front { transform: rotate(-5deg) translateX(-10px); }
.contract-visual:hover .paper-back { transform: rotate(7deg) translateX(10px); }

/* ---------------- Gallery ---------------- */

/* Sans JavaScript, toutes les captures sont affichées l'une sous l'autre. */
.gallery-stage { position: relative; max-width: 1000px; margin: 0 auto; display: grid; gap: 3rem; }

.gallery-panel figcaption { text-align: center; color: var(--text-dim); font-size: 0.95rem; margin-top: 1.1rem; }
.gallery-panel figcaption strong { color: var(--text); }

.gallery-arrow, .gallery-thumbs { display: none; }

.js .gallery-stage { gap: 0; }

.js .gallery-panel {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}

.js .gallery-panel.active { opacity: 1; visibility: visible; transform: none; }

.js .gallery-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 42%;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(11, 17, 32, 0.9);
  color: var(--text);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 30px -10px #000;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.js .gallery-arrow:hover { border-color: var(--sky); transform: scale(1.06); }
.gallery-prev { left: -24px; }
.gallery-next { right: -24px; }

.js .gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
  max-width: 1000px;
  margin: 1.8rem auto 0;
}

.gallery-thumb {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.45rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.gallery-thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; border-radius: 7px; opacity: 0.7; transition: opacity 0.2s ease; }
.gallery-thumb:hover { border-color: var(--border-strong); color: var(--text); transform: translateY(-2px); }
.gallery-thumb:hover img { opacity: 1; }
.gallery-thumb.active { border-color: var(--blue); background: var(--blue-dim); color: var(--text); }
.gallery-thumb.active img { opacity: 1; }

/* ---------------- Timeline ---------------- */

.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 1.35rem;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--sky), var(--amber));
  opacity: 0.5;
}

.timeline li { position: relative; text-align: center; padding: 0 0.4rem; }

.timeline-num {
  position: relative;
  z-index: 1;
  width: 2.7rem;
  height: 2.7rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  background: var(--bg-elevated);
  border: 2px solid var(--blue);
  color: var(--sky);
}

.timeline h4 { font-size: 1.02rem; margin-bottom: 0.4rem; }
.timeline p { color: var(--text-dim); font-size: 0.88rem; }

/* ---------------- Trust ---------------- */

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.trust-item {
  text-align: center;
  padding: 1.6rem 1.1rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.trust-item .icon { font-size: 1.8rem; margin-bottom: 0.6rem; }
.trust-item h4 { font-size: 0.97rem; margin-bottom: 0.35rem; }
.trust-item p { font-size: 0.84rem; color: var(--text-faint); }

.requirements {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  margin-top: 1.6rem;
  padding: 1rem 1.4rem;
  border-radius: 14px;
  border: 1px dashed var(--border-strong);
}

.requirements h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber); }

.requirements ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; }

.requirements li { font-size: 0.88rem; color: var(--text-dim); }

.requirements li::before { content: "•"; color: var(--text-faint); margin-inline-end: 0.45rem; }

/* ---------------- Download ---------------- */

.download-card {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  max-width: 860px;
  margin: 0 auto 2.4rem;
  padding: 1.8rem 2rem;
  border-radius: 22px;
  border: 1px solid #4f7dff66;
  background: linear-gradient(135deg, #13234a 0%, var(--bg-card) 70%);
  box-shadow: 0 30px 70px -40px var(--blue);
}

.download-icon img { width: 72px; height: 72px; border-radius: 18px; }

.download-body { flex: 1; }

.download-card .btn { white-space: nowrap; }

.download-os {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.3rem;
}

.download-card h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.download-card p { color: var(--text-dim); font-size: 0.92rem; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  background: var(--blue-dim);
  color: var(--sky);
  margin-bottom: 0.9rem;
}

.step h4 { font-size: 1rem; margin-bottom: 0.4rem; }
.step p { color: var(--text-dim); font-size: 0.9rem; }
.step strong { color: var(--text); }

.download-note {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-radius: 24px;
  padding: 2rem 2.2rem;
  background: linear-gradient(135deg, #12204a 0%, #1d1708 100%);
  border: 1px solid var(--border-strong);
}

.contact-band h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
.contact-band p { color: var(--text-dim); font-size: 0.92rem; max-width: 460px; }
.contact-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* ---------------- FAQ ---------------- */

.faq { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }

.faq details {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  padding: 0 1.4rem;
  transition: border-color 0.2s ease;
}

.faq details[open] { border-color: var(--border-strong); }

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after { content: "+"; color: var(--sky); font-size: 1.3rem; line-height: 1; transition: transform 0.2s ease; }

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p { color: var(--text-dim); font-size: 0.94rem; padding-bottom: 1.2rem; }

.faq strong { color: var(--text); }

/* ---------------- Footer ---------------- */

.footer { border-top: 1px solid var(--border); padding-top: 3rem; padding-bottom: 2rem; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .nav-logo { margin-bottom: 0.8rem; }
.footer-brand p { color: var(--text-faint); font-size: 0.88rem; max-width: 340px; }

.footer-col h5 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 0.9rem;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: var(--text-dim); font-size: 0.9rem; }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  color: var(--text-faint);
  font-size: 0.8rem;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 1020px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; text-align: center; padding-top: 4rem; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-checks { justify-content: center; }
  .hero-shot { max-width: 720px; margin: 0 auto; }
  .hero-shot .window { transform: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .contract-block { grid-template-columns: 1fr; gap: 2.5rem; padding: 2.2rem; }
  .contract-visual { height: 480px; max-width: 520px; width: 100%; margin: 0 auto; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; }
  .timeline::before { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .container { padding: 0 1rem; }
  .nav-inner { padding: 0.8rem 1rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 1rem;
    gap: 1rem;
  }
  .hero { padding-top: 3rem; padding-bottom: 2.5rem; }
  .hero-float { display: none; }
  .hero-actions .btn { width: 100%; }
  .stats-band { grid-template-columns: repeat(2, 1fr); padding: 1.2rem; }
  .section { padding-top: 4rem; padding-bottom: 4rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .contract-block { padding: 1.5rem; border-radius: 20px; }
  .contract-visual { height: 360px; }
  .paper { width: 66%; }
  .timeline { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .download-card { flex-direction: column; text-align: center; padding: 1.6rem 1.2rem; }
  .download-card .btn { width: 100%; white-space: normal; }
  .contact-band { padding: 1.5rem; }
  .contact-actions, .contact-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .window-bar em { display: none; }
  .gallery-prev { left: 4px; }
  .gallery-next { right: 4px; }
  .js .gallery-arrow { width: 40px; height: 40px; font-size: 1.5rem; }
  .js .gallery-thumbs { display: flex; overflow-x: auto; padding-bottom: 0.4rem; scroll-snap-type: x mandatory; }
  .gallery-thumb { flex: 0 0 42%; scroll-snap-align: start; }
}