/* Réceptionniste24 — style commun à toutes les pages (globale + niches) */
:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #16181d;
  --muted: #5b606b;
  --line: #e4e2db;
  --accent: #1f5eff;       /* couleur de marque globale */
  --accent-ink: #ffffff;
  --niche: var(--accent);  /* redéfinie sur chaque page métier */
  --radius: 14px;
  --max: 1100px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* En-tête */
header.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--niche); }
nav.links { display: flex; gap: 22px; align-items: center; }
nav.links a { text-decoration: none; color: var(--muted); font-size: 15px; }
nav.links a:hover { color: var(--ink); }
nav.links a.btn, nav.links a.btn:hover { color: var(--accent-ink); }

/* Boutons */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 13px 22px; border-radius: 999px; font-size: 16px;
  background: var(--niche); color: var(--accent-ink); border: 2px solid var(--niche);
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); opacity: .92; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.small { padding: 9px 16px; font-size: 14px; }

/* Héros */
.hero { padding: 80px 0 64px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--niche); background: color-mix(in srgb, var(--niche) 10%, transparent);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(34px, 6vw, 60px); line-height: 1.08; letter-spacing: -0.03em; max-width: 820px; }
.hero h1 em { font-style: normal; color: var(--niche); }
.hero p.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 640px; margin: 22px 0 32px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.note { font-size: 14px; color: var(--muted); margin-top: 14px; }
.final .note { color: color-mix(in srgb, var(--bg) 70%, transparent); }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.sub { color: var(--muted); max-width: 640px; margin-bottom: 40px; }

/* Grilles de cartes */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
section.alt .card { background: var(--bg); }
.card h3 { font-size: 19px; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--muted); font-size: 16px; }
.icon {
  width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--niche) 12%, transparent); color: var(--niche);
  font-size: 20px; margin-bottom: 16px;
}

/* Cartes métiers (page globale) */
.niche-card { text-decoration: none; display: flex; flex-direction: column; gap: 10px; transition: border-color .15s, transform .15s; }
.niche-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.niche-card .status { font-size: 13px; font-weight: 600; color: var(--muted); }
.niche-card.live .status { color: #12804a; }
.niche-card.soon { opacity: .6; pointer-events: none; }

/* Étapes */
.steps { counter-reset: s; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.step { position: relative; padding-top: 52px; }
.step::before {
  counter-increment: s; content: counter(s);
  position: absolute; top: 0; left: 0; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700;
  background: var(--ink); color: var(--bg);
}
.step h3 { font-size: 19px; margin-bottom: 6px; }
.step p { color: var(--muted); }

/* Démo d'appel */
.call {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; max-width: 640px;
}
.msg { padding: 12px 16px; border-radius: 12px; margin: 10px 0; max-width: 85%; font-size: 16px; }
.msg.client { background: var(--bg); border: 1px solid var(--line); }
.msg.agent { background: color-mix(in srgb, var(--niche) 10%, transparent); margin-left: auto; }
.msg b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 2px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; }
details summary::after { content: "+"; float: right; color: var(--muted); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin-top: 10px; }

/* CTA final */
.final { text-align: center; }
.final .box {
  background: var(--ink); color: var(--bg); border-radius: 22px; padding: 56px 24px;
}
.final h2 { color: var(--bg); }
.final p { color: color-mix(in srgb, var(--bg) 75%, transparent); max-width: 560px; margin: 0 auto 28px; }
.final .ctas { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.final .btn.ghost { color: var(--bg); border-color: color-mix(in srgb, var(--bg) 35%, transparent); }

/* Pied de page */
footer { padding: 36px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }

@media (max-width: 720px) {
  nav.links a:not(.btn) { display: none; }
  .hero { padding: 56px 0 44px; }
  section { padding: 56px 0; }
}