/* Page de téléchargement de VTerm : palette Améthyste de l'app, sombre uniquement */
:root {
  --bg-0: #0c0a11;
  --bg-1: #12101a;
  --bg-2: #171522;
  --line: #262236;
  --text-1: #f5f3fa;
  --text-2: #bdb7cc;
  --text-3: #8f88a3;
  --accent: #b69cff;
  --accent-h: #c8b4ff;
  --accent-ink: #160e2e;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text-1);
  font: 16px/1.6 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
code, kbd { font: 0.88em 'JetBrains Mono', ui-monospace, monospace; }
kbd { padding: 1px 6px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; background: var(--bg-2); }

/* ---------- navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px max(16px, calc((100% - 1120px) / 2));
  background: rgba(12, 10, 17, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(38, 34, 54, 0.6);
}
.nav-links { display: flex; gap: 22px; margin-right: auto; }
.nav-links a { color: var(--text-2); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text-1); }

/* ---------- boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
}
.btn-primary { padding: 14px 22px; background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 30px -10px rgba(182, 156, 255, 0.7); }
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }
.btn-small { padding: 8px 14px; font-size: 14px; background: var(--accent); color: var(--accent-ink); }
.btn-small:hover { background: var(--accent-h); }
.btn:focus-visible, .nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- taches de couleur, comme l'écran de connexion de l'app ---------- */
.blobs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blobs i { position: absolute; border-radius: 50%; filter: blur(80px); }
.b1 { width: 560px; height: 560px; left: 8%; top: -180px; background: rgba(150, 105, 255, 0.45); animation: drift1 18s ease-in-out infinite alternate; }
.b2 { width: 460px; height: 460px; right: 4%; top: -60px; background: rgba(90, 70, 230, 0.38); animation: drift2 22s ease-in-out infinite alternate; }
.b3 { width: 380px; height: 380px; left: 42%; top: 220px; background: rgba(214, 140, 255, 0.22); animation: drift3 26s ease-in-out infinite alternate; }
.b4 { width: 300px; height: 300px; right: 24%; top: 340px; background: rgba(120, 160, 255, 0.16); animation: drift1 20s ease-in-out infinite alternate-reverse; }
@keyframes drift1 { 50% { transform: translate(120px, 70px) scale(1.12); } 100% { transform: translate(40px, 160px) scale(0.95); } }
@keyframes drift2 { 50% { transform: translate(-140px, 50px) scale(1.18); } 100% { transform: translate(-60px, 120px) scale(1); } }
@keyframes drift3 { 50% { transform: translate(100px, -90px) scale(0.9); } 100% { transform: translate(-90px, -30px) scale(1.12); } }
@media (prefers-reduced-motion: reduce) {
  .blobs i { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- en-tête ---------- */
.hero { position: relative; padding: 96px 16px 0; text-align: center; overflow: hidden; }
.hero-in { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.kicker { margin: 0 0 14px; font: 500 12px 'JetBrains Mono', monospace; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
h1 { margin: 0; font-size: clamp(40px, 7vw, 72px); line-height: 1.04; letter-spacing: -0.04em; font-weight: 700; }
.lead { margin: 22px auto 0; max-width: 600px; font-size: 18px; color: var(--text-2); }
.cta { margin-top: 34px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.cta-meta { font-size: 13px; color: var(--text-3); }
.hero-shot { position: relative; z-index: 1; max-width: 1120px; margin: 64px auto 0; }

/* capture dans un cadre de fenêtre */
.shot { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.03) inset; background: var(--bg-1); }
.hero-shot { border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom: 0; }

/* ---------- sections ---------- */
.section { max-width: 1120px; margin: 0 auto; padding: 110px 16px 0; }
.section > h2, .feature h2 { margin: 0; font-size: clamp(28px, 4vw, 40px); line-height: 1.12; letter-spacing: -0.03em; }
.section > h2, .section-lead { text-align: center; }
.section-lead { margin: 14px auto 0; max-width: 620px; color: var(--text-2); font-size: 17px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, var(--bg-2), var(--bg-1)); }
.card h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text-2); font-size: 15px; }
.ico { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; border-radius: 10px; background: rgba(182, 156, 255, 0.12); font-size: 19px; }

.feature { display: grid; grid-template-columns: 1fr 1.45fr; gap: 56px; align-items: center; }
.feature.reverse .feature-text { order: 2; }
.feature-text p:not(.kicker) { color: var(--text-2); font-size: 17px; margin: 16px 0 0; }

.security .card { background: var(--bg-1); }

.final { position: relative; margin-top: 110px; padding: 90px 16px 100px; text-align: center; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; max-width: 1088px; }
.final > *:not(.blobs) { position: relative; z-index: 1; }
.final img { margin: 0 auto 22px; }
.final .btn { margin-top: 30px; }
.final .cta-meta { margin: 12px 0 0; }

.foot { display: flex; justify-content: space-between; max-width: 1120px; margin: 0 auto; padding: 48px 16px; color: var(--text-3); font-size: 14px; }
.foot span { font-weight: 600; color: var(--text-2); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text-1); }

/* ---------- petits écrans ---------- */
@media (max-width: 860px) {
  .grid, .grid.three { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; gap: 28px; }
  .feature.reverse .feature-text { order: 0; }
  .nav-links { display: none; }
  .nav-logo { margin-right: auto; }
  .hero { padding-top: 64px; }
  .section { padding-top: 80px; }
}