/* =============================================================================
   GANYMÉDIA — Feuille de style
   Direction : sobre, sombre, technique. Accent glaciaire (glace + champ
   magnétique de Ganymède). Lisibilité et sérieux priment.
   ========================================================================== */

:root {
  /* Palette */
  --bg:        #0a0d12;   /* graphite très sombre */
  --bg-2:      #0e1218;   /* surface alternée */
  --panel:     #12171f;   /* cartes */
  --panel-2:   #161c26;
  --line:      #232b37;   /* hairlines */
  --line-2:    #2c3543;
  --ink:       #e7eaef;   /* texte principal */
  --ink-soft:  #aeb6c2;   /* texte secondaire */
  --ink-mute:  #6b7480;   /* labels discrets */
  --accent:    #67d4e3;   /* cyan glaciaire */
  --accent-dim:#3c8c98;
  --accent-glow: rgba(103, 212, 227, 0.14);

  /* Typo */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Public Sans", system-ui, -apple-system, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Mesures */
  --wrap: 1080px;
  --radius: 4px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset léger ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* grain très léger */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.018) 1px, transparent 0);
  background-size: 3px 3px;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; line-height: 1.1; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #001014; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Marque (logo texte + pastille lune) ---------- */
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-name { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }
.brand-mark {
  width: 18px; height: 18px; border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, #cfeff5 0%, var(--accent) 28%, var(--accent-dim) 60%, #0b2a30 100%);
  box-shadow: 0 0 0 1px rgba(103,212,227,.25), 0 0 14px var(--accent-glow);
  flex: none;
}
.brand-logo { width: 28px; height: 28px; display: block; flex: none; object-fit: contain; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,13,18,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--ink-soft); font-size: .92rem; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .02em;
  color: var(--accent) !important; border: 1px solid var(--accent-dim);
  padding: 8px 14px; border-radius: var(--radius);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-cta:hover { background: var(--accent); color: #001014 !important; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; font-family: var(--mono); font-size: .85rem; letter-spacing: .02em;
  padding: 14px 26px; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: transform .2s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #001014; }
.btn-primary:hover { background: #8ee2ee; }
.btn-ghost { border-color: var(--line-2); color: var(--ink-soft); }
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--ink); }

/* ---------- Kicker / labels mono ---------- */
.kicker {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.4rem;
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-inner { position: relative; z-index: 2; padding: 120px 24px 110px; max-width: var(--wrap); }
.hero-title { font-size: clamp(2.4rem, 6vw, 4.1rem); margin: 0 0 1.6rem; }
.hero-lede { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--ink-soft); max-width: 820px; margin-bottom: 2.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-bg { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
/* limbe lumineux d'astre (haut-droite), discret */
.limb {
  position: absolute; top: -340px; right: -260px;
  width: 760px; height: 760px; border-radius: 50%;
  background:
    radial-gradient(circle at 38% 38%, rgba(103,212,227,.10) 0%, rgba(103,212,227,.05) 36%, transparent 62%);
  filter: blur(2px);
}
/* fine grille technique */
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .25;
  mask-image: radial-gradient(circle at 70% 20%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 70% 20%, #000 0%, transparent 70%);
}

/* ---------- Sections ---------- */
.section { padding: 92px 0; border-bottom: 1px solid var(--line); }
.section-alt { background: var(--bg-2); }
.section-head { margin-bottom: 48px; max-width: 680px; }
.section-num {
  font-family: var(--mono); font-size: .8rem; color: var(--accent); letter-spacing: .1em;
  display: inline-block; margin-bottom: 10px;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 .8rem; }
.section-intro { color: var(--ink-soft); font-size: 1.08rem; margin: 0; }

/* ---------- Offres ---------- */
.offers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.offer {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 30px 26px; transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.offer:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.offer-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.offer-num { font-family: var(--mono); font-size: .8rem; color: var(--accent); border: 1px solid var(--line-2); border-radius: 3px; padding: 2px 8px; }
.offer-title { font-size: 1.32rem; margin: 0; }
.offer p { color: var(--ink-soft); font-size: .98rem; margin-bottom: .8rem; }
.offer-deliv { font-family: var(--mono); font-size: .82rem; color: var(--ink-mute) !important; letter-spacing: .01em; }
.offer-tag {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: #001014; background: var(--accent); padding: 3px 9px; border-radius: 999px; margin-left: auto;
}
/* offre phare : pleine largeur, accent latéral */
.offer-lead { grid-column: 1 / -1; border-left: 2px solid var(--accent); background: var(--panel-2); }
.offer-lead .offer-title { font-size: 1.6rem; }
/* offre secondaire (formation) : discrète, pleine largeur */
.offer-minor { grid-column: 1 / -1; background: transparent; border-style: dashed; }
.offer-minor .offer-title { font-size: 1.1rem; }
.offer-minor p { font-size: .92rem; }

/* ---------- Réassurance ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 52px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; background: var(--panel); }
.stat-num { display: block; font-family: var(--serif); font-size: 2.6rem; color: var(--ink); line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: .9rem; color: var(--ink-soft); }

.refs-intro { font-family: var(--mono); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 18px; }
.refs-list {
  list-style: none; margin: 0 0 22px; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px 12px;
}
.refs-list li {
  font-family: var(--mono); font-size: .9rem; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 14px; background: var(--bg);
}
.refs-note { color: var(--ink-mute); font-size: .92rem; max-width: 640px; }

/* ---------- À propos ---------- */
.apropos-body { max-width: 820px; }
.apropos-body p { color: var(--ink-soft); font-size: 1.08rem; }
.apropos-link a { font-family: var(--mono); font-size: .9rem; }

/* ---------- Formulaire ---------- */
.contact-wrap { max-width: var(--wrap); }
.form { display: grid; gap: 18px; margin-top: 8px; max-width: 820px; }
.field { display: grid; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
label { font-family: var(--mono); font-size: .8rem; letter-spacing: .03em; color: var(--ink-soft); }
.opt { color: var(--ink-mute); text-transform: none; letter-spacing: 0; }
input, select, textarea {
  font-family: var(--sans); font-size: 1rem; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 12px 14px; width: 100%; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea { resize: vertical; min-height: 120px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-mute) 50%), linear-gradient(135deg, var(--ink-mute) 50%, transparent 50%); background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px); background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

.field-consent { margin-top: 4px; }
.consent { display: flex; gap: 11px; align-items: flex-start; font-family: var(--sans); font-size: .92rem; color: var(--ink-soft); letter-spacing: 0; cursor: pointer; }
.consent input { width: auto; margin-top: 3px; flex: none; accent-color: var(--accent); }
.form-actions { margin-top: 6px; }

/* champ piège honeypot : masqué de façon robuste */
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Alertes ---------- */
.alert { border-radius: var(--radius); padding: 16px 20px; margin-bottom: 24px; font-size: .96rem; }
.alert-ok { background: rgba(103,212,227,.08); border: 1px solid var(--accent-dim); color: var(--ink); }
.alert-err { background: rgba(227,103,103,.08); border: 1px solid #6b3a3a; color: #f0d9d9; }
.alert-err ul { margin: 8px 0 0; padding-left: 20px; }
.alert-mini { color: var(--ink-mute); font-size: .85rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.6fr 1.2fr; gap: 40px; }
.footer-h { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; font-weight: 500; }
.footer-tag { color: var(--ink-soft); font-size: .95rem; margin-top: 14px; }
.footer-legal p, .footer-contact p { color: var(--ink-soft); font-size: .9rem; line-height: 1.8; }
.footer-legal a, .footer-contact a { color: var(--ink); }
.footer-mini { font-size: .85rem !important; color: var(--ink-mute) !important; margin-top: 14px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .76rem; color: var(--ink-mute); letter-spacing: .04em;
}

/* ---------- Pages légales ---------- */
.legal-page { padding-top: 72px; }
.legal-wrap { max-width: 760px; }
.legal-body h2 { font-size: 1.25rem; margin: 32px 0 10px; color: var(--ink); }
.legal-body p { color: var(--ink-soft); }
.legal-back { margin-top: 36px; font-family: var(--mono); font-size: .85rem; }

/* ---------- Révélations au défilement ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { gap: 16px; }
  .nav a:not(.nav-cta) { display: none; }
  .hero-inner { padding: 84px 24px 72px; }
  .offers { grid-template-columns: 1fr; }
  .offer-lead, .offer-minor { grid-column: auto; }
  .stats { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; align-items: flex-start; }
}