/* ============================================================
   HUVI Optimisation, Solutions pages (design système partagé)
   Palette : fond #111a2e, cartes #0D1527, bordures #17243A,
   accent #F47B20 / #ff9242, texte #E2E8F0 / muted #94a3b8
   ============================================================ */

:root {
  --bg: #111a2e;
  --bg-deep: #0a101d;
  --bg-card: #0D1527;
  --bg-elevated: #16213a;
  --border: #17243A;
  --border-soft: rgba(244, 123, 32, 0.28);
  --text: #E2E8F0;
  --muted: #94a3b8;
  --orange: #F47B20;
  --orange-light: #ff9242;
  --orange-dim: #ffa767;
  --grad-orange: linear-gradient(135deg, #F47B20, #ff9242);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  border-radius: 10px; padding: 12px 18px; font-size: 11px;
  cursor: pointer; transition: all .22s ease; white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grad-orange); color: #fff;
  box-shadow: 0 8px 22px rgba(244, 123, 32, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(244, 123, 32, 0.38); }
.btn-ghost { background: var(--bg-card); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange-light); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(17, 26, 46, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; }
.brand .divider { width: 1px; height: 22px; background: var(--border); }
.brand .tag {
  font-family: 'JetBrains Mono', monospace; font-size: 8px; letter-spacing: 0.22em;
  color: var(--orange); text-transform: uppercase; font-weight: 600; white-space: nowrap;
}
@media (max-width: 480px) { .brand .divider, .brand .tag { display: none; } }
.header-actions { display: flex; align-items: center; gap: 16px; }
.back-link { font-size: 13px; color: var(--muted); transition: color .2s; white-space: nowrap; }
.back-link:hover { color: #fff; }
@media (max-width: 560px) {
  .back-link { display: none; }
  .header-actions .btn-primary span.full { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 76px 0 52px; overflow: hidden;
  background:
    radial-gradient(60% 90% at 80% 10%, rgba(244, 123, 32, 0.13), transparent 60%),
    radial-gradient(50% 80% at 10% 90%, rgba(22, 33, 58, 0.9), transparent 65%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(23, 36, 58, 0.35) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(23, 36, 58, 0.35) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(70% 70% at 50% 20%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 20%, #000 30%, transparent 100%);
  pointer-events: none;
}
.hero .container { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--orange-light); font-weight: 600; margin-bottom: 18px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(244,123,32,0.15); }
h1 {
  font-family: 'Space Grotesk', sans-serif; font-size: clamp(34px, 6vw, 58px);
  line-height: 1.06; color: #fff; font-weight: 700; letter-spacing: -0.02em;
}
h1 .accent { color: var(--orange-light); }
.hero-sub { margin-top: 22px; font-size: 18px; color: var(--muted); max-width: 660px; }
.hero-sub strong { color: var(--text); font-weight: 600; }
.hero-cta { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-cta .note { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.hero-cta .note svg { width: 15px; height: 15px; }
.hero-rule { margin-top: 52px; border: none; border-top: 1px solid var(--border); }

/* ---------- Sections ---------- */
.section { padding: 44px 0; }
.section-alt { background: var(--bg-deep); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--orange); font-weight: 600; margin-bottom: 12px;
}
h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(24px, 3.6vw, 34px); color: #fff; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.lead { margin-top: 14px; color: var(--muted); font-size: 16px; max-width: 740px; }
.lead strong { color: var(--text); }

/* ---------- Grille de cartes ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 30px; }
.card {
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--border); border-radius: 14px; padding: 24px;
  transition: border-color .25s, transform .25s, box-shadow .25s; position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-orange); opacity: 0; transition: opacity .25s;
}
.card:hover { border-color: var(--border-soft); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,0,0,0.35); }
.card:hover::after { opacity: 1; }
.card .card-icon {
  width: 44px; height: 44px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: rgba(244, 123, 32, 0.12); border: 1px solid rgba(244,123,32,0.25); margin-bottom: 16px;
}
.card .card-icon svg { width: 22px; height: 22px; color: var(--orange-light); }
.card .num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--orange); font-weight: 600; letter-spacing: 0.08em; }
.card h3 { font-family: 'Space Grotesk', sans-serif; font-size: 17px; color: #fff; font-weight: 600; margin-top: 8px; }
.card p { font-size: 13.5px; color: var(--muted); margin-top: 8px; }

/* ---------- Liste à cocher ---------- */
.check-list { list-style: none; margin-top: 30px; display: grid; gap: 14px; }
.check-list li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
  transition: border-color .2s;
}
.check-list li:hover { border-color: var(--border-soft); }
.check-list .mark {
  color: var(--orange-light); flex-shrink: 0; margin-top: 1px;
  width: 22px; height: 22px; border-radius: 7px; background: rgba(244,123,32,0.12);
  display: flex; align-items: center; justify-content: center;
}
.check-list .mark svg { width: 14px; height: 14px; }
.check-list strong { color: #fff; font-weight: 600; }
.check-list p { color: var(--muted); font-size: 14px; margin-top: 2px; }

/* ---------- Maturité ---------- */
.maturity { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 30px; }
.m-level { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.m-level .pct { font-family: 'Space Grotesk', sans-serif; font-size: 27px; color: var(--orange-light); font-weight: 700; }
.m-level .bar { height: 5px; border-radius: 3px; background: var(--border); margin-top: 12px; overflow: hidden; }
.m-level .bar span { display: block; height: 100%; background: var(--grad-orange); border-radius: 3px; }
.m-level .name { color: #fff; font-weight: 600; margin-top: 14px; font-size: 15px; }
.m-level p { color: var(--muted); font-size: 13px; margin-top: 6px; }

/* Couleur distincte par niveau de maturité (rouge -> vert) */
.m-level:nth-child(1) .pct { color: #f87171; }
.m-level:nth-child(1) .bar span { background: linear-gradient(90deg, #ef4444, #f87171); }
.m-level:nth-child(2) .pct { color: #fbbf24; }
.m-level:nth-child(2) .bar span { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.m-level:nth-child(3) .pct { color: #4ade80; }
.m-level:nth-child(3) .bar span { background: linear-gradient(90deg, #22c55e, #4ade80); }
.m-level:nth-child(4) .pct { color: #34d399; }
.m-level:nth-child(4) .bar span { background: linear-gradient(90deg, #10b981, #34d399); }

/* ---------- Principes ---------- */
.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 30px; }
.principle {
  border: 1px solid var(--border); border-radius: 14px; padding: 22px;
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
  position: relative; overflow: hidden;
}
.principle .p-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(244,123,32,0.12); border: 1px solid rgba(244,123,32,0.25); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.principle .p-icon svg { width: 20px; height: 20px; color: var(--orange-light); }
.principle .k { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); font-weight: 600; }
.principle p { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* ---------- Flux processus (visuel) ---------- */
.flow { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; align-items: stretch; }
.flow-step {
  flex: 1 1 150px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 16px; position: relative; text-align: center;
}
.flow-step .fs-num { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--orange); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.flow-step .fs-icon { width: 34px; height: 34px; margin: 10px auto 8px; border-radius: 9px; background: rgba(244,123,32,0.12); display: flex; align-items: center; justify-content: center; }
.flow-step .fs-icon svg { width: 17px; height: 17px; color: var(--orange-light); }
.flow-step .fs-name { color: #fff; font-weight: 600; font-size: 13.5px; }
.flow-arrow { align-self: center; color: var(--orange); flex-shrink: 0; }
.flow-arrow svg { width: 18px; height: 18px; }

/* ---------- Pas inclus ---------- */
.not-included { margin-top: 28px; display: grid; gap: 12px; }
.not-included li { color: var(--muted); font-size: 15px; display: flex; gap: 12px; align-items: flex-start; }
.not-included .x { color: #f87171; font-weight: 700; flex-shrink: 0; }

/* ---------- Bandeau CTA ---------- */
.cta-band {
  background: linear-gradient(135deg, #17223a, #111a2e);
  border: 1px solid var(--border); border-radius: 18px; padding: 52px 36px; margin-top: 28px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 100% at 50% 0%, rgba(244,123,32,0.12), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(24px, 4vw, 34px); }
.cta-band p { color: var(--muted); margin-top: 14px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-band .btn { margin-top: 26px; font-size: 12px; padding: 14px 26px; }
.cta-band .sub-note { font-size: 12.5px; color: var(--muted); margin-top: 16px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 46px 0; margin-top: 40px; background: var(--bg-deep); }
.footer-inner { display: flex; flex-direction: column; gap: 18px; align-items: center; text-align: center; }
.footer-inner img { height: 28px; width: auto; }
.footer-inner p { color: var(--muted); font-size: 13px; max-width: 560px; }
.footer-inner .links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-inner .links a { font-size: 13px; color: var(--muted); transition: color .2s; }
.footer-inner .links a:hover { color: var(--orange-light); }

/* ---------- Utilitaires ---------- */
.mt-20 { margin-top: 20px; }

/* ---------- Bandeau de statistiques ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin-top: 30px; }
.stat { text-align: center; padding: 26px 16px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card)); }
.stat .value { font-family: 'Space Grotesk', sans-serif; font-size: 42px; color: var(--orange-light); font-weight: 700; line-height: 1; }
.stat .label { color: var(--muted); font-size: 13px; margin-top: 10px; line-height: 1.35; }

/* ---------- Responsive : flux vertical sur mobile ---------- */
@media (max-width: 640px) {
  .flow { flex-direction: column; align-items: stretch; }
  .flow-arrow { transform: rotate(90deg); align-self: center; }
  .flow-step { flex: 1 1 auto; }
}