/* AXIONYX.io · Campus — landing statique
   Base graphique dérivée de IMG_0299.jpeg (dark premium + cuivre incandescent).
   Palette échantillonnée pixel sur la référence. */

:root {
  --bg: #030305;
  --bg-2: #050507;
  --surface: #0a0b0d;
  --surface-2: #0d0e11;
  --text: #ece7e1;
  --muted: #8c8d8f;
  --muted-2: #6c6d70;
  --accent: #e3895c;        /* cuivre incandescent (glow hero) */
  --accent-2: #cc785c;      /* cuivre AXIONYX standard */
  --accent-deep: #a85f44;
  --line: rgba(227, 137, 92, 0.14);
  --line-soft: rgba(255, 255, 255, 0.06);
  --radius: 18px;
  --maxw: 1180px;
  --grad-copper: linear-gradient(135deg, #e89b6e 0%, #cc785c 55%, #a85f44 100%);
  font-synthesis: none;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ambient warm glow over whole page top */
body::before {
  content: "";
  position: fixed;
  top: -30vh; left: 50%;
  width: 120vw; height: 90vh;
  transform: translateX(-50%);
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(227, 137, 92, 0.10), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }

h1, h2, h3, .display {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.08;
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 600;
  margin-bottom: 14px;
}

.section-sub { color: var(--muted); max-width: 620px; font-size: 1.02rem; }

.center { text-align: center; }
.center .section-sub { margin: 0 auto; }

section { padding: 92px 0; position: relative; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600; font-size: 0.95rem;
  padding: 14px 26px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .25s ease, border-color .2s ease, background .2s ease;
}
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: var(--grad-copper);
  color: #1a0e08;
  box-shadow: 0 10px 34px -12px rgba(227, 137, 92, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px -12px rgba(227, 137, 92, 0.75); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- header ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(3, 3, 5, 0.72);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; display: block; }
.brand .campus-tag {
  font-family: "Space Grotesk", sans-serif; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.7rem;
  color: var(--accent);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 11px;
}
.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: 0.92rem; color: var(--muted); font-weight: 500;
  transition: color .18s ease; position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 11px 20px; font-size: 0.88rem; }
.menu-toggle { display: none; }

/* ---------- hero ---------- */
.hero { padding-top: 64px; padding-bottom: 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  text-transform: uppercase; font-weight: 700; line-height: 1.04;
}
.hero h1 .lead { color: var(--accent); display: block; }
.hero p.lede { color: var(--muted); font-size: 1.12rem; margin: 24px 0 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-points span { color: var(--muted); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.hero-points span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* hero ring / glow stage */
.stage { position: relative; display: grid; place-items: center; min-height: 420px; }
.stage .halo {
  position: absolute; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227,137,92,0.28), transparent 62%);
  filter: blur(6px);
}
.stage .ring-img {
  position: relative; width: 320px; max-width: 78%; z-index: 2;
  filter: drop-shadow(0 0 26px rgba(227,137,92,0.55)) drop-shadow(0 0 60px rgba(204,120,92,0.35));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(-8px); } 50% { transform: translateY(8px); } }
.stage .platform {
  position: absolute; bottom: 36px; width: 360px; height: 90px;
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(227,137,92,0.32), transparent 70%);
  filter: blur(10px); z-index: 1;
}
.stage .reflection {
  position: absolute; bottom: 0; width: 230px; max-width: 56%; opacity: 0.16;
  transform: scaleY(-1); filter: blur(2px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent 75%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent 75%);
}

/* ---------- generic card panel ---------- */
.panel {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

/* ---------- process (5 steps) ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 46px 30px; margin-top: 40px; }
.step { text-align: center; position: relative; padding: 0 8px; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 33px; right: -4px; width: calc(100% - 66px);
  height: 1px; background: linear-gradient(90deg, var(--line), transparent);
}
.step .ico {
  width: 66px; height: 66px; border-radius: 50%; margin: 0 auto 18px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 30%, rgba(227,137,92,0.12), transparent 70%);
  color: var(--accent);
}
.step .ico svg { width: 26px; height: 26px; }
.step h4 { font-family: "Space Grotesk", sans-serif; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.84rem; margin-bottom: 8px; }
.step p { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.step .num { color: var(--accent); font-weight: 700; }

/* ---------- solutions / avantages cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.card {
  padding: 30px 26px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-soft);
  transition: transform .2s ease, border-color .25s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 22px 50px -28px rgba(227,137,92,0.5); }
.card .ico {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  display: grid; place-items: center; color: var(--accent);
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 30%, rgba(227,137,92,0.14), transparent 70%);
}
.card .ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.12rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.94rem; }
.card .more { color: var(--accent); margin-top: 16px; font-weight: 600; font-size: 0.9rem; display: inline-flex; gap: 8px; }

/* ---------- swiss section ---------- */
.swiss-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.swiss-feats { display: flex; gap: 26px; margin-top: 30px; flex-wrap: wrap; }
.swiss-feats .f { display: flex; flex-direction: column; gap: 8px; max-width: 150px; }
.swiss-feats .f .ico { color: var(--accent); width: 26px; height: 26px; }
.swiss-feats .f span { font-size: 0.85rem; color: var(--muted); }
.swiss-map { position: relative; display: grid; place-items: center; }
.swiss-map svg { width: 100%; max-width: 460px; height: auto; }
.swiss-map .ch-fill { fill: none; stroke: var(--accent); stroke-width: 6; opacity: 0.55; }
.swiss-map .ch-glow { fill: rgba(227,137,92,0.05); stroke: rgba(227,137,92,0.18); stroke-width: 3; }
.swiss-map .pin { position: absolute; left: 38%; top: 44%; text-align: center; }
.swiss-map .pin .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(227,137,92,0.18), 0 0 22px var(--accent); margin: 0 auto 7px; }
.swiss-map .pin .lbl { font-family: "Space Grotesk", sans-serif; text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.7rem; color: var(--text); }

/* ---------- stats band ---------- */
.stats-band { padding: 56px 44px; overflow: hidden; }
.stats-grid { display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 44px; align-items: center; }
.stats-grid h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); text-transform: uppercase; line-height: 1.18; }
.stats-grid h2 em { color: var(--accent); font-style: normal; }
.stats-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat .ico { color: var(--accent); width: 26px; height: 26px; margin-bottom: 12px; }
.stat .big { font-family: "Space Grotesk", sans-serif; font-size: 1.9rem; font-weight: 700; color: var(--text); }
.stat .lbl { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

/* ---------- final CTA ---------- */
.cta-final { padding: 54px 44px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-final .ring-mini { width: 56px; height: 56px; flex-shrink: 0; }
.cta-left { display: flex; align-items: center; gap: 24px; }
.cta-final h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); text-transform: uppercase; }
.cta-final p { color: var(--muted); margin-top: 6px; max-width: 460px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line-soft); padding: 64px 0 36px; margin-top: 30px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px; }
.foot-brand img { height: 40px; margin-bottom: 16px; }
.foot-brand .tag { font-family: "Space Grotesk", sans-serif; letter-spacing: 0.28em; font-size: 0.66rem; color: var(--muted-2); text-transform: uppercase; }
.foot-brand p.addr { color: var(--muted); font-size: 0.9rem; margin-top: 14px; }
.foot-col h5 { font-family: "Space Grotesk", sans-serif; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.74rem; color: var(--muted-2); margin-bottom: 16px; }
.foot-col a, .foot-col p { display: block; color: var(--muted); font-size: 0.92rem; margin-bottom: 10px; transition: color .18s; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line-soft); color: var(--muted-2); font-size: 0.82rem; flex-wrap: wrap; gap: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-cta .btn-ghost { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .stage { min-height: 320px; order: -1; }
  .process { grid-template-columns: repeat(2, 1fr); gap: 30px 14px; }
  .step:not(:last-child)::after { display: none; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .swiss-grid { grid-template-columns: 1fr; gap: 34px; }
  .stats-grid { grid-template-columns: 1fr; gap: 30px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 600px) {
  section { padding: 64px 0; }
  .wrap { padding: 0 20px; }
  .hero h1 { font-size: 2.2rem; }
  .process { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .stats-nums { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .stat .big { font-size: 1.6rem; }
  .cta-final { flex-direction: column; align-items: flex-start; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .brand .campus-tag { display: none; }
}