/* Liberra — page de présentation. Couleurs de la marque : azur #1B9CE8, azur clair #6CC4F6,
   azur profond #0F7FC4, nuit #0E2A47. Police système (aucun service externe chargé). */
:root {
  --azur: #1B9CE8;
  --azur-clair: #6CC4F6;
  --azur-profond: #0F7FC4;
  --nuit: #0E2A47;
  --bg: #FFFFFF;
  --bg-alt: #F3F8FD;
  --card: #FFFFFF;
  --edge: #DDEAF6;
  --text: #0E2A47;
  --soft: #2E4560;
  --muted: #4F6278;
  --pill-bg: #E4F3FD;
  --pill-text: #0B66A3;
  --link: #0F6FAE;
  --shadow: 0 18px 50px rgba(14, 42, 71, 0.14);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1520;
    --bg-alt: #0F1D2B;
    --card: #132232;
    --edge: #22364B;
    --text: #EAF2FA;
    --soft: #C5D4E3;
    --muted: #A3B5C8;
    --pill-bg: #12324F;
    --pill-text: #8FD3FA;
    --link: #6CC4F6;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--link); text-underline-offset: 3px; }
img { max-width: 100%; display: block; }
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: max(20px, env(safe-area-inset-left, 0px));
}

/* En-tête */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--edge);
  padding-top: env(safe-area-inset-top, 0px);
}
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 2px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 21px; letter-spacing: -0.4px; }
.logo svg { width: 40px; height: 40px; }
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--soft); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--azur); }
.lang {
  border: 1px solid var(--edge);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700 !important;
  font-size: 13px !important;
}
@media (max-width: 720px) { .nav .hide-sm { display: none; } }

/* Héros */
.hero { padding-block: 64px 40px; }
.hero .wrap { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: 1.1fr 0.9fr; } .hero { padding-block: 88px 72px; } }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--pill-text);
  font-weight: 700;
  font-size: 14px;
}
.eyebrow::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--azur); }
h1 {
  font-size: clamp(46px, 9vw, 80px);
  line-height: 1.02;
  letter-spacing: -2.2px;
  font-weight: 800;
  margin: 22px 0 0;
}
h1 em { font-style: normal; color: var(--azur); }
.lead { font-size: clamp(18px, 2.4vw, 22px); color: var(--soft); max-width: 560px; margin: 20px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
}
.btn.primary { background: var(--azur); color: #FFFFFF; box-shadow: 0 8px 24px rgba(27, 156, 232, 0.35); }
.btn.ghost { border: 1.5px solid var(--edge); color: var(--text); }
.facts { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 28px; color: var(--muted); font-size: 15px; font-weight: 600; padding: 0; list-style: none; }
.facts li::before { content: '✓'; color: var(--azur); margin-right: 8px; font-weight: 800; }

/* Téléphones */
.phone {
  position: relative;
  width: min(300px, 78vw);
  aspect-ratio: 8 / 15; /* même format que les captures : rien n'est coupé sur les côtés */
  border-radius: 46px;
  padding: 10px;
  background: #0B1622;
  box-shadow: var(--shadow), inset 0 0 0 2px #2A3E54;
  margin-inline: auto;
}
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 37px; }
.hero .phone { width: min(320px, 80vw); transform: rotate(-2deg); }

/* Sections */
section { padding-block: 56px; scroll-margin-top: 72px; }
@media (min-width: 900px) { section { padding-block: 80px; } }
.alt { background: var(--bg-alt); }
.kicker { color: var(--azur); font-weight: 800; font-size: 14px; letter-spacing: 1.2px; text-transform: uppercase; margin: 0; }
h2 { font-size: clamp(30px, 5vw, 44px); letter-spacing: -1px; line-height: 1.12; margin: 10px 0 14px; font-weight: 800; }
.intro { color: var(--soft); max-width: 680px; margin: 0 0 36px; font-size: 18px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--edge); border-radius: 24px; padding: 26px; }
.alt .card { background: var(--card); }
.icon {
  width: 48px; height: 48px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--azur); color: #FFFFFF; margin-bottom: 16px;
}
.icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -0.2px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

/* Galerie */
.gallery {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 10px 4px 30px;
  -webkit-overflow-scrolling: touch;
}
.gallery figure { margin: 0; flex: none; scroll-snap-align: center; width: min(260px, 72vw); }
.gallery .phone { width: 100%; }
.gallery figcaption { text-align: center; margin-top: 18px; font-weight: 700; }
.gallery figcaption span { display: block; font-weight: 500; color: var(--muted); font-size: 15px; }

/* Étapes */
.steps { counter-reset: step; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); padding: 0; list-style: none; margin: 0; }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--edge); border-radius: 24px; padding: 26px; }
.steps li::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--pill-bg); color: var(--pill-text);
  font-weight: 800; margin-bottom: 14px;
}
.steps strong { display: block; font-size: 19px; margin-bottom: 4px; }
.steps span { color: var(--muted); }

/* Partenaires */
.split { display: grid; gap: 24px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.list li { display: flex; gap: 12px; color: var(--soft); }
.list li::before { content: ''; flex: none; width: 10px; height: 10px; margin-top: 9px; border-radius: 50%; background: var(--azur-clair); }
.card h3 + .list { margin-top: 14px; }
.partners { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; padding: 0; list-style: none; }
.partners li { border: 1px solid var(--edge); border-radius: 999px; padding: 6px 14px; font-weight: 700; font-size: 14px; color: var(--soft); }

/* Contact */
.contact { text-align: center; }
.contact .intro { margin-inline: auto; }
.mail {
  display: inline-block;
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 800;
  letter-spacing: -0.4px;
  color: var(--text);
  user-select: all;
  margin: 4px 0 22px;
}

/* Pied de page */
footer { border-top: 1px solid var(--edge); color: var(--muted); font-size: 14px; padding-block: 32px calc(32px + env(safe-area-inset-bottom, 0px)); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: space-between; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--muted); }

/* Pages de texte (confidentialité) */
.doc { max-width: 760px; padding-block: 48px 72px; }
.doc h1 { font-size: clamp(36px, 6vw, 52px); letter-spacing: -1.2px; }
.doc h2 { font-size: 24px; letter-spacing: -0.3px; margin-top: 36px; }
.doc p, .doc li { color: var(--soft); }
.doc .updated { color: var(--muted); font-size: 15px; margin-top: 8px; }