/* =========================================================================
   SuperVTC78 — Site vitrine. Design system.
   Palette éditable via les variables ci-dessous (à ajuster une fois le
   logo / les couleurs de marque connus).
   ========================================================================= */
:root {
  --brand: #0b1020;          /* fond profond (nuit) */
  --brand-2: #121a33;        /* fond secondaire */
  --accent: #d4af37;         /* accent (or — typique VTC premium) */
  --accent-2: #f0d886;
  --text: #eef1f7;
  --text-muted: #9aa4bd;
  --card: #151d38;
  --border: #26304f;
  --radius: 14px;
  --maxw: 1140px;
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--brand);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-alt { background: var(--brand-2); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.3rem); }
.lead { color: var(--text-muted); font-size: 1.15rem; max-width: 620px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: .98rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #1a1400; box-shadow: 0 8px 24px rgba(212,175,55,.25); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,16,32,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--text); }
.brand-logo .dot { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-muted); font-weight: 600; font-size: .95rem; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* Hero */
.hero { position: relative; padding: 96px 0 84px; text-align: center; overflow: hidden; }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(1200px 500px at 50% -10%, rgba(212,175,55,.18), transparent 60%);
}
.hero .lead { margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Grilles / cartes */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card .ico { font-size: 1.8rem; margin-bottom: 10px; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--text-muted); margin: 0; }

/* Bandeau / placeholder */
.placeholder { outline: 1px dashed var(--border); outline-offset: 4px; }
.badge-soon { display: inline-block; background: var(--border); color: var(--accent-2); padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; }

/* Footer */
.site-footer { background: #070a15; border-top: 1px solid var(--border); padding: 46px 0 28px; color: var(--text-muted); font-size: .92rem; }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 28px; }
.footer-cols h4 { color: var(--text); font-size: .95rem; margin-bottom: 12px; }
.footer-cols a { color: var(--text-muted); display: block; padding: 3px 0; }
.footer-cols a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Responsive */
@media (max-width: 860px) {
  .grid-3, .grid-2, .footer-cols { grid-template-columns: 1fr; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--brand-2); border-bottom: 1px solid var(--border); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 20px; width: 100%; border-top: 1px solid var(--border); }
  .nav-toggle { display: block; }
}

/* ---- Pages internes ---- */
.page-hero { padding: 64px 0 40px; text-align: center; }
.page-hero .lead { margin: 0 auto; }
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.3em; font-size: 1.1rem; color: var(--accent-2); }
.prose p, .prose li { color: var(--text-muted); }
.prose ul { padding-left: 20px; }
.note {
  background: var(--brand-2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 14px 16px; color: var(--text-muted); font-size: .92rem; margin: 18px 0;
}

/* ---- Formulaires ---- */
.form { max-width: 560px; margin: 0 auto; text-align: left; }
.form label { display: block; font-size: .9rem; font-weight: 600; margin: 14px 0 6px; }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-family: inherit; font-size: 1rem;
}
.form textarea { min-height: 130px; resize: vertical; }
.form .btn { margin-top: 18px; }
.form-status { margin-top: 12px; font-size: .95rem; min-height: 1.2em; }
.form-status.ok { color: #4ade80; }
.form-status.err { color: #f87171; }
.inline-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; max-width: 520px; margin: 0 auto; }
.inline-form input { flex: 1; min-width: 240px; padding: 13px 18px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); color: var(--text); }

/* ---- Tarifs / offres ---- */
.tier { display: flex; flex-direction: column; }
.tier .price { font-size: 1.6rem; font-weight: 800; color: var(--accent); margin: 6px 0 14px; }
.tier ul { list-style: none; padding: 0; margin: 0 0 18px; }
.tier li { padding: 7px 0; border-top: 1px solid var(--border); color: var(--text-muted); }
.tier li::before { content: '✓ '; color: var(--accent); font-weight: 700; }