/* ========================================
   CHINA KEYS BY ZITA — Feuille de style principale
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Outfit:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ─── VARIABLES ───────────────────────── */
:root {
  --rouge:      #7C3AED;
  --rouge-vif:  #9333EA;
  --rouge-pale: #F5F0FF;
  --or:         #DB2777;
  --or-vif:     #EC4899;
  --or-pale:    #FDF2F8;
  --creme:      #FAFAFE;
  --creme-s:    #F3F0FA;
  --blanc:      #FFFFFF;
  --texte:      #1A1625;
  --texte-s:    #3D3550;
  --gris:       #6B6880;
  --gris-pale:  #EDE8F8;
  --border:     #E5E0F0;
  --border-s:   #D4CCEC;
  --rouge-cn:   #7C3AED;
}

/* ─── RESET & BASE ────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--creme);
  color: var(--texte);
  font-family: 'Outfit', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* ─── TYPOGRAPHY ──────────────────────── */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; font-weight: 800; line-height: 1.05; }
.eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: 5px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.eyebrow::before { content: ''; display: block; width: 18px; height: 1px; background: currentColor; opacity: .5; }
.eyebrow-rouge { color: var(--rouge); }
.eyebrow-or    { color: var(--or); }
.eyebrow-gris  { color: var(--gris); }

/* ─── LAYOUT ──────────────────────────── */
.section { padding: 100px 48px; }
.section-creme  { background: var(--creme); }
.section-cream2 { background: var(--creme-s); }
.section-blanc  { background: var(--blanc); }
.inner { max-width: 1100px; margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }

/* ─── BUTTONS ─────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 8px;
  font-family: 'Space Mono', monospace; font-size: 10px;
  font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  transition: all .25s; text-decoration: none;
}
.btn-rouge { background: linear-gradient(135deg, var(--rouge), var(--rouge-vif)); color: #fff; box-shadow: 0 8px 20px rgba(124,58,237,.15); }
.btn-rouge:hover { background: linear-gradient(135deg, var(--rouge-vif), var(--rouge)); transform: translateY(-3px); box-shadow: 0 18px 44px rgba(124,58,237,.25); }
.btn-outline { background: transparent; color: var(--texte); border: 1.5px solid var(--border-s); }
.btn-outline:hover { border-color: var(--rouge); color: var(--rouge); transform: translateY(-2px); }
.btn-or { background: var(--or-vif); color: #fff; }
.btn-or:hover { background: var(--or); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(236,72,153,.25); }

/* ─── ANIMATIONS ──────────────────────── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ─── CARD BASE ───────────────────────── */
.card {
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--blanc);
  transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 56px rgba(0,0,0,.09); }

/* ─── DIVIDER ─────────────────────────── */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); }

/* ─── RESPONSIVE ──────────────────────── */
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 70px 24px; }
}
@media (max-width: 600px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .section { padding: 56px 18px; }
}