/* YUMIA — site vitrine. Dark premium, dégradé violet→orange (identité logo). */
:root {
  --bg: #0E0E12;
  --surface: #17171F;
  --surface-2: #1F1F2A;
  --border: #2A2A38;
  --text: #F5F5FA;
  --text-2: #A6A6B8;
  --muted: #6E6E80;
  --brand: #E8621A;
  --brand-soft: #F08A4B;
  --accent: #5C4ECC;
  --grad: linear-gradient(120deg, #7A3FF2 0%, #C13FB4 45%, #E8621A 100%);
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Ambiance : halos dégradés diffus en fond */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 400px at 20% 10%, rgba(122,63,242,0.18), transparent 60%),
    radial-gradient(700px 500px at 85% 20%, rgba(232,98,26,0.15), transparent 60%),
    radial-gradient(600px 600px at 50% 100%, rgba(193,63,180,0.10), transparent 60%);
  pointer-events: none;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(14,14,18,0.72);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.3px; font-size: 20px; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--text-2); font-size: 15px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad); color: #fff; font-weight: 700; font-size: 15px;
  padding: 11px 22px; border-radius: 999px; border: none; cursor: pointer;
  transition: transform .15s, box-shadow .2s;
  box-shadow: 0 8px 24px rgba(232,98,26,0.25);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(232,98,26,0.35); }
.btn.ghost { background: var(--surface-2); box-shadow: none; border: 1px solid var(--border); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Hero */
.hero { text-align: center; padding: 90px 0 70px; }
.hero .logo-big { width: 130px; height: 130px; margin: 0 auto 28px; filter: drop-shadow(0 10px 40px rgba(193,63,180,0.35)); }
.hero h1 { font-size: clamp(38px, 7vw, 66px); font-weight: 800; letter-spacing: -1.5px; line-height: 1.05; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.tagline { font-size: clamp(18px, 3vw, 24px); color: var(--text-2); margin-top: 20px; max-width: 620px; margin-left: auto; margin-right: auto; }
.hero .cta-row { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }

/* Sections */
section.block { padding: 70px 0; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.8px; text-align: center; margin-bottom: 14px; }
.section-sub { text-align: center; color: var(--text-2); max-width: 600px; margin: 0 auto 48px; font-size: 17px; }

/* Grille features */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px;
  padding: 30px 26px; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: #3a3a4d; }
.card .ic { font-size: 34px; margin-bottom: 16px; display: block; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 15px; }

/* Bandeau univers */
.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 800px; margin: 0 auto; }
.chip { background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 10px 18px; font-size: 15px; color: var(--text-2); }

/* CTA final */
.cta-final {
  text-align: center; background: var(--surface); border: 1px solid var(--border);
  border-radius: 32px; padding: 60px 30px; margin: 40px 0;
  background-image: radial-gradient(500px 300px at 50% -20%, rgba(122,63,242,0.18), transparent 70%);
}
.cta-final h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.6px; }
.cta-final p { color: var(--text-2); margin: 14px auto 30px; max-width: 500px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 50px 0 40px; margin-top: 40px; }
.foot { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot .brand { margin-bottom: 14px; }
.foot p { color: var(--muted); font-size: 14px; max-width: 320px; }
.foot-links { display: flex; gap: 40px; flex-wrap: wrap; }
.foot-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin-bottom: 14px; }
.foot-col a { display: block; color: var(--text-2); font-size: 15px; margin-bottom: 10px; transition: color .2s; }
.foot-col a:hover { color: var(--text); }
.copyright { text-align: center; color: var(--muted); font-size: 14px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }

/* Pages légales (article) */
.legal { padding: 60px 0 40px; max-width: 800px; }
.legal h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 800; letter-spacing: -1px; margin-bottom: 10px; }
.legal .updated { color: var(--muted); font-size: 15px; margin-bottom: 40px; }
.legal h2 { font-size: 23px; font-weight: 700; margin: 38px 0 14px; letter-spacing: -0.3px; }
.legal h3 { font-size: 18px; font-weight: 700; margin: 24px 0 10px; color: var(--brand-soft); }
.legal p, .legal li { color: var(--text-2); font-size: 16px; margin-bottom: 12px; }
.legal ul { padding-left: 24px; margin-bottom: 16px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--brand-soft); text-decoration: underline; }
.legal strong { color: var(--text); }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 15px; margin-top: 10px; }
.note { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--brand); border-radius: 12px; padding: 18px 20px; margin: 20px 0; }
.note p { margin-bottom: 0; color: var(--text-2); }