/* ============================================================
   Umsta — feuille de style commune aux pages secondaires.
   Un seul fichier pour toutes les pages hors accueil : une
   modification ici se répercute partout.
   IMPORTANT : ce fichier doit être téléversé à la racine de
   public_html, au même niveau que les pages HTML.
   ============================================================ */

*{ box-sizing:border-box; }
html{ -webkit-tap-highlight-color:transparent; scroll-behavior:smooth; }
:root{
  --bg:#020304; --bg2:#06080C;
  --panel:rgba(255,255,255,0.028); --line:rgba(255,255,255,0.13); --line-soft:rgba(255,255,255,0.075);
  --white:#F6F8FB; --mist:#9199A8; --mist-dim:#565E6B;
  --cyan:#48E4FF; --violet:#8C6BFF; --magenta:#FF5FB8;
  --max:1000px;
}
body{
  margin:0; background:var(--bg); color:var(--white);
  font-family:'Inter', system-ui, sans-serif; font-size:16px; line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{ font-family:'Space Grotesk', sans-serif; font-weight:600; letter-spacing:-0.02em; margin:0; }
.mono{ font-family:'IBM Plex Mono', monospace; }
a{ color:var(--cyan); }
:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }
.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }

/* ---------- En-tête ---------- */
.top{ border-bottom:1px solid var(--line-soft); position:sticky; top:0; background:rgba(2,3,4,0.86); backdrop-filter:blur(14px); z-index:50; }
.top .wrap{ display:flex; align-items:center; justify-content:space-between; padding-top:14px; padding-bottom:14px; gap:12px; }
.brand{ font-family:'Space Grotesk',sans-serif; font-weight:700; letter-spacing:0.04em; text-decoration:none; color:var(--white); font-size:1.05rem; }
.brand span{ color:var(--cyan); }
.top-actions{ display:flex; align-items:center; gap:10px; }
.top-ghost{ color:var(--mist); text-decoration:none; font-size:0.85rem; border:1px solid var(--line); padding:8px 15px; border-radius:8px; transition:border-color .18s ease, color .18s ease; white-space:nowrap; }
.top-ghost:hover{ border-color:rgba(72,228,255,0.5); color:var(--cyan); }
.top-cta{ background:linear-gradient(135deg,var(--cyan),var(--violet)); color:#04070B; text-decoration:none; padding:9px 18px; border-radius:8px; font-size:0.85rem; font-weight:600; white-space:nowrap; }

.crumb{ font-size:0.78rem; color:var(--mist-dim); padding:20px 0 0; }
.crumb a{ color:var(--mist); text-decoration:none; }

/* ---------- Titre ---------- */
.hero{ padding:26px 0 44px; }
.kicker{ font-family:'IBM Plex Mono',monospace; font-size:0.7rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--cyan); border-top:1px solid rgba(72,228,255,0.25); padding-top:10px; display:inline-block; margin-bottom:20px; }
h1{ font-size:clamp(1.9rem, 4.6vw, 3rem); line-height:1.08; max-width:20ch; }
h1 .grad{ background:linear-gradient(120deg,var(--cyan),var(--magenta),var(--violet)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.answer{ margin-top:26px; border-left:2px solid var(--cyan); padding:2px 0 2px 20px; font-size:1.12rem; color:#D5DCE6; max-width:62ch; }
.answer strong{ color:#fff; }

section{ padding:44px 0; border-top:1px solid var(--line-soft); }
h2{ font-size:clamp(1.35rem, 2.8vw, 1.85rem); margin-bottom:8px; }
h3{ font-size:1.03rem; margin-bottom:6px; }
.sub{ color:var(--mist); max-width:64ch; margin:0 0 26px; }
p{ max-width:68ch; }
.lead-p{ font-size:1.06rem; color:#C8D1DC; }

/* ---------- Tableaux ---------- */
.tbl{ width:100%; border-collapse:collapse; font-size:0.92rem; }
.tbl th, .tbl td{ text-align:left; padding:13px 12px; border-bottom:1px solid var(--line-soft); vertical-align:top; }
.tbl th{ font-family:'IBM Plex Mono',monospace; font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--mist-dim); font-weight:500; }
.tbl tr:last-child td{ border-bottom:none; }
.tbl .hi{ background:rgba(72,228,255,0.05); }
.tbl .hi td:first-child{ color:var(--cyan); font-weight:600; }
.scroll-x{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
code{ font-family:'IBM Plex Mono',monospace; background:rgba(72,228,255,0.10); border:1px solid rgba(72,228,255,0.22); color:var(--cyan); padding:3px 8px; border-radius:6px; font-size:0.88em; white-space:nowrap; }

/* ---------- Étapes numérotées ---------- */
.steps{ list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line-soft); }
.steps li{ padding:20px 22px 20px 0; border-right:1px solid var(--line-soft); }
.steps li:last-child{ border-right:none; padding-right:0; }
.steps .n{ font-family:'IBM Plex Mono',monospace; font-size:0.7rem; color:var(--cyan); display:block; margin-bottom:8px; }
.steps p{ color:var(--mist); font-size:0.93rem; margin:0; }

/* ---------- Cartes ---------- */
.cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:16px; }
.card{ border:1px solid var(--line); border-radius:13px; padding:22px; background:var(--panel); transition:border-color .2s ease, transform .2s cubic-bezier(.2,.8,.3,1); }
.card:hover{ border-color:rgba(72,228,255,0.4); transform:translateY(-3px); }
.card p{ color:var(--mist); font-size:0.92rem; margin:6px 0 0; }

/* ---------- Bandeau d'action ---------- */
.band{ border:1px solid var(--line); border-radius:14px; padding:26px 28px; background:linear-gradient(135deg, rgba(72,228,255,0.07), rgba(140,107,255,0.05)); display:flex; align-items:center; justify-content:space-between; gap:22px; flex-wrap:wrap; }
.band h3{ font-size:1.15rem; margin-bottom:5px; }
.band p{ color:var(--mist); margin:0; font-size:0.92rem; max-width:46ch; }
.band-btns{ display:flex; gap:10px; flex-wrap:wrap; }
.b-solid{ background:linear-gradient(135deg,var(--cyan),var(--violet)); color:#04070B; text-decoration:none; padding:13px 24px; border-radius:9px; font-weight:600; font-size:0.92rem; display:inline-block; white-space:nowrap; }
.b-line{ color:var(--white); text-decoration:none; padding:13px 22px; border:1px solid var(--line); border-radius:9px; font-size:0.92rem; display:inline-block; transition:border-color .18s ease; white-space:nowrap; }
.b-line:hover{ border-color:rgba(72,228,255,0.55); }

/* ---------- FAQ ---------- */
details{ border-bottom:1px solid var(--line-soft); padding:15px 0; }
summary{ cursor:pointer; font-weight:600; font-size:1rem; list-style:none; display:flex; justify-content:space-between; gap:16px; align-items:flex-start; }
summary::-webkit-details-marker{ display:none; }
summary::after{ content:'+'; color:var(--cyan); font-family:'IBM Plex Mono',monospace; flex:none; transition:transform .2s ease; }
details[open] summary::after{ transform:rotate(45deg); }
details p{ color:var(--mist); margin:11px 0 0; font-size:0.95rem; }

/* ---------- Maillage interne ---------- */
.links{ display:flex; flex-wrap:wrap; gap:9px; padding:0; margin:0; list-style:none; }
.links a{ font-size:0.86rem; text-decoration:none; color:var(--mist); border:1px solid var(--line-soft); border-radius:8px; padding:9px 14px; transition:border-color .18s ease, color .18s ease; display:block; }
.links a:hover{ border-color:rgba(72,228,255,0.45); color:var(--cyan); }

/* ---------- Pages légales ---------- */
.legal{ max-width:74ch; }
.legal h2{ font-size:1.2rem; margin-top:34px; }
.legal p, .legal li{ color:#BAC3CF; font-size:0.95rem; }
.legal ul{ padding-left:20px; }
.todo{ background:rgba(255,95,184,0.08); border:1px solid rgba(255,95,184,0.35); border-radius:10px; padding:15px 18px; margin:22px 0; font-size:0.9rem; color:#FFD5EC; }
.todo b{ color:#FF5FB8; }

footer{ border-top:1px solid var(--line-soft); padding:30px 0 44px; color:var(--mist-dim); font-size:0.84rem; }
footer a{ color:var(--mist); text-decoration:none; }

@media (max-width:760px){
  .steps{ grid-template-columns:1fr; }
  .steps li{ border-right:none; border-bottom:1px solid var(--line-soft); padding:16px 0; }
  .steps li:last-child{ border-bottom:none; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}