:root {
  --night: #1B1F3B;
  --dusk: #343661;
  --mist: #E8ECF7;
  --mist-soft: rgba(232, 236, 247, 0.68);
  --mist-faint: rgba(232, 236, 247, 0.45);
  --calm: #7FD1C7;
  --amber: #F2B35E;
  --font: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: linear-gradient(180deg, var(--night) 0%, var(--dusk) 100%);
}

body {
  margin: 0;
  color: var(--mist);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--calm); text-underline-offset: 3px; }
a:focus-visible, .brand:focus-visible { outline: 2px solid var(--calm); outline-offset: 4px; border-radius: 4px; }

.wrap { width: min(100% - 32px, 960px); margin-inline: auto; }

/* En-tête */
.top { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--mist); text-decoration: none; font-weight: 700; font-size: 1.25rem; }
.brand img { width: 30px; height: 30px; }

/* Héros */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 48px 0 72px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 800; }
.hero p { color: var(--mist-soft); max-width: 34ch; margin: 0 0 32px; font-size: 1.15rem; }

.store { display: inline-flex; flex-direction: column; padding: 12px 22px; border-radius: 14px; border: 1.5px solid var(--mist-faint); color: var(--mist); }
.store small { color: var(--mist-faint); font-size: 0.8rem; }
.store strong { font-size: 1.05rem; }

/* L'anneau : le même bouton que dans l'app */
.demo { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.demo svg { width: min(78vw, 340px); height: auto; overflow: visible; }
.ring { stroke: var(--amber); transition: stroke 0.9s ease; }
.ring-halo { stroke: var(--amber); stroke-opacity: 0.22; transition: stroke 0.9s ease; }
.glow { opacity: 0; transition: opacity 1.2s ease; }
.state { font-size: 1.9rem; font-weight: 800; color: var(--amber); transition: color 0.9s ease; margin: 0; min-height: 1.3em; }

.is-protected .ring, .is-protected .ring-halo { stroke: var(--calm); }
.is-protected .glow { opacity: 1; }
.is-protected .state { color: var(--calm); }

/* Ce qu'on promet */
.facts { list-style: none; margin: 0; padding: 40px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; border-top: 1px solid rgba(232, 236, 247, 0.12); }
.facts h2 { font-size: 1.15rem; margin: 0 0 6px; color: var(--calm); }
.facts p { margin: 0; color: var(--mist-soft); font-size: 1rem; }

.price { padding: 32px 0 72px; font-size: 1.35rem; font-weight: 700; }
.price span { display: block; font-size: 1rem; font-weight: 400; color: var(--mist-soft); }

/* Pied de page */
.foot { padding: 28px 0 40px; border-top: 1px solid rgba(232, 236, 247, 0.12); color: var(--mist-faint); font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot nav { display: flex; gap: 20px; }
.foot a { color: var(--mist-soft); }

/* Page de texte (confidentialité) */
.doc { max-width: 68ch; padding: 24px 0 72px; }
.doc h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; margin: 0 0 8px; }
.doc .updated { color: var(--mist-faint); margin: 0 0 40px; }
.doc h2 { font-size: 1.3rem; margin: 40px 0 10px; color: var(--calm); }
.doc p, .doc li { color: var(--mist-soft); }
.doc strong { color: var(--mist); }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: 8px; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 16px; text-align: center; }
  .hero p { margin-inline: auto; }
  .demo { order: -1; }
  .facts { grid-template-columns: 1fr; gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .ring, .ring-halo, .glow, .state { transition: none; }
}

/* Choix de la langue */
.langs { display: flex; gap: 4px; }
.langs a { color: var(--mist-soft); text-decoration: none; font-size: 0.9rem; font-weight: 600; padding: 6px 9px; border-radius: 8px; }
.langs a:hover { color: var(--mist); }
.langs a[aria-current] { color: var(--night); background: var(--calm); }
.langs a:focus-visible { outline: 2px solid var(--calm); outline-offset: 2px; }