/* ═══════════════════════════════════════════════════
   BORDURE APP — Design System v2
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ─── TOKENS ─────────────────────────────────────── */
:root {
  /* Fonds — Bleu nuit / Altitude */
  --bg:      #07090f;
  --bg2:     #0c1020;
  --bg3:     #111829;
  --surface: #182236;
  --border:  rgba(120,160,255,.07);
  --border2: rgba(120,160,255,.14);

  /* Textes */
  --text:    #e8edf8;
  --muted:   #6b82a8;
  --faint:   #2d3d5c;

  /* Couleurs */
  --orange:  #3d7fff;   /* Bleu électrique — couleur principale */
  --orange2: #6fa3ff;
  --teal:    #c8f135;   /* Chartreuse — accent signature */
  --teal2:   #deff5e;
  --red:     #ff4455;   /* SOS — inchangé */
  --blue:    #4a9eff;   /* Entreprises — inchangé */
  --purple:  #9b7efc;   /* Assureurs — inchangé */
  --yellow:  #f0c040;   /* Altitude / warning */
  --green:   #a8d8ff;   /* Glacier */

  --font-d: 'Syne', sans-serif;
  --font-b: 'DM Sans', sans-serif;
  --r:  10px;
  --r2: 18px;
  --r3: 26px;

  /* page accent — overridden per-page */
  --accent:   var(--orange);
  --accent2:  var(--orange2);
  --accent-r: 61,127,255;
}

/* Page-specific accents */
body[data-page="clubs"]        { --accent:var(--orange);  --accent2:var(--orange2);  --accent-r:61,127,255 }
body[data-page="entreprises"]  { --accent:var(--blue);    --accent2:#74b5ff;         --accent-r:74,158,255 }
body[data-page="assureurs"]    { --accent:var(--purple);  --accent2:#bc9eff;         --accent-r:155,126,245 }
body[data-page="collectivites"]{ --accent:var(--teal);    --accent2:var(--teal2);    --accent-r:200,241,53 }
body[data-page="changelog"]    { --accent:var(--yellow);  --accent2:#ffd966;         --accent-r:240,192,64 }

/* ─── RESET ──────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { scroll-behavior:smooth }
body { background:var(--bg); color:var(--text); font-family:var(--font-b); font-weight:400; line-height:1.65; overflow-x:hidden }
a { color:inherit; text-decoration:none }
img { display:block; max-width:100% }
button { cursor:pointer; border:none; background:none; font:inherit }
ul { list-style:none }

/* ─── NOISE ──────────────────────────────────────── */
body::before {
  content:'';
  position:fixed; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events:none; z-index:9999; opacity:.45;
}

/* ─── SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar { width:4px }
::-webkit-scrollbar-track { background:var(--bg) }
::-webkit-scrollbar-thumb { background:var(--faint); border-radius:99px }

/* ─── UTILS ──────────────────────────────────────── */
.container { max-width:1160px; margin:0 auto; padding:0 32px }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0) }

/* ─── NAV ────────────────────────────────────────── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:800;
  padding:14px 0;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
nav.scrolled { background:rgba(7,10,13,.9); backdrop-filter:blur(28px); border-color:var(--border) }
.nav-inner { display:flex; align-items:center; justify-content:space-between; gap:20px }
.logo {
  font-family:var(--font-d); font-weight:800; font-size:1.25rem; letter-spacing:-.02em;
  display:flex; align-items:center; gap:9px; flex-shrink:0;
}
.logo-icon {
  width:28px; height:28px; background:var(--orange); border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:.8rem; font-weight:900; color:#fff;
  box-shadow:0 0 16px rgba(255,107,53,.4);
  animation:logoPulse 3s ease-in-out infinite;
  flex-shrink:0;
}
@keyframes logoPulse {
  0%,100% { box-shadow:0 0 12px rgba(255,107,53,.35) }
  50%      { box-shadow:0 0 24px rgba(255,107,53,.65) }
}

.nav-links { display:flex; align-items:center; gap:2px }
.nav-links a {
  padding:7px 14px; border-radius:8px;
  font-size:.82rem; font-weight:500; color:var(--muted);
  transition:all .2s; white-space:nowrap;
}
.nav-links a:hover { color:var(--text); background:rgba(255,255,255,.04) }
.nav-links a.active { color:var(--text); background:rgba(255,255,255,.06) }

/* Solutions dropdown */
.nav-dropdown { position:relative }
.nav-dropdown > a { display:flex; align-items:center; gap:4px }
.nav-dropdown > a .chev { transition:transform .2s; font-size:.65rem; opacity:.5 }
.nav-dropdown:hover > a .chev { transform:rotate(180deg) }
.dropdown-menu {
  display:none; position:absolute; top:calc(100% + 8px); left:50%;
  transform:translateX(-50%);
  background:var(--bg3); border:1px solid var(--border2); border-radius:var(--r2);
  min-width:230px; box-shadow:0 24px 60px rgba(0,0,0,.6); padding:8px;
}
.nav-dropdown:hover .dropdown-menu { display:block }
.dropdown-menu a {
  display:flex; align-items:center; gap:10px;
  padding:9px 12px; border-radius:10px;
  font-size:.82rem; color:var(--muted); transition:all .15s;
}
.dropdown-menu a:hover { background:rgba(255,255,255,.05); color:var(--text) }
.dm-accent { width:6px; height:6px; border-radius:50%; flex-shrink:0 }

.nav-right { display:flex; align-items:center; gap:8px; flex-shrink:0 }
.btn-nav {
  background:var(--orange); color:#fff;
  padding:8px 18px; border-radius:8px;
  font-size:.8rem; font-weight:600;
  transition:all .2s;
}
.btn-nav:hover { background:var(--orange2); transform:translateY(-1px); box-shadow:0 6px 18px rgba(255,107,53,.3) }
.btn-nav-ghost {
  border:1px solid var(--border2); color:var(--muted);
  padding:8px 16px; border-radius:8px; font-size:.8rem; font-weight:500;
  transition:all .2s;
}
.btn-nav-ghost:hover { color:var(--text); border-color:var(--faint) }

/* hamburger */
.hamburger { display:none; flex-direction:column; gap:5px; padding:8px }
.hamburger span { display:block; width:22px; height:2px; background:var(--text); border-radius:2px; transition:all .3s }
.hamburger.open span:nth-child(1) { transform:rotate(45deg) translateY(7px) }
.hamburger.open span:nth-child(2) { opacity:0 }
.hamburger.open span:nth-child(3) { transform:rotate(-45deg) translateY(-7px) }

.mobile-nav {
  display:none; position:fixed; inset:0;
  background:rgba(7,10,13,.97); backdrop-filter:blur(20px);
  z-index:790; flex-direction:column; align-items:center; justify-content:center; gap:24px;
}
.mobile-nav.open { display:flex }
.mobile-nav a { font-family:var(--font-d); font-weight:700; font-size:1.4rem; color:var(--text); transition:color .2s }
.mobile-nav a:hover { color:var(--orange) }
.mobile-close { position:absolute; top:20px; right:24px; font-size:1.4rem; color:var(--muted); cursor:pointer; background:none; border:none }
.mobile-sep { width:32px; height:1px; background:var(--border) }
.mobile-sub { font-size:.9rem; color:var(--muted) }

/* ─── TOPO BACKGROUND ────────────────────────────── */
.topo-bg {
  position:absolute; inset:0; overflow:hidden; pointer-events:none;
}
.topo-bg::before {
  content:'';
  position:absolute; inset:-100px;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(var(--accent-r),.03) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(var(--accent-r),.018) 60px);
  animation:topoScroll 60s linear infinite;
}
@keyframes topoScroll { 100% { background-position:0 200px, 200px 0 } }

/* ─── SECTION BASICS ─────────────────────────────── */
section { padding:100px 0 }
section.alt { background:var(--bg2) }

.section-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  font-size:.7rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent); margin-bottom:16px;
}
.section-eyebrow::before { content:''; display:block; width:18px; height:1.5px; background:var(--accent) }
.section-title {
  font-family:var(--font-d); font-weight:800;
  font-size:clamp(1.8rem,3.6vw,2.9rem);
  letter-spacing:-.03em; line-height:1.08;
  margin-bottom:18px;
}
.section-sub {
  color:var(--muted); font-size:1rem; font-weight:300;
  max-width:520px; line-height:1.75;
}

/* ─── BUTTONS ────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px; border-radius:10px;
  font-weight:600; font-size:.9rem;
  transition:all .22s;
}
.btn-primary { background:var(--orange); color:#fff; box-shadow:0 4px 18px rgba(255,107,53,.22) }
.btn-primary:hover { background:var(--orange2); transform:translateY(-2px); box-shadow:0 10px 28px rgba(255,107,53,.38) }
.btn-accent { background:var(--accent); color:#fff }
.btn-accent:hover { background:var(--accent2); transform:translateY(-2px); box-shadow:0 10px 28px rgba(var(--accent-r),.35) }
.btn-ghost { border:1px solid var(--border2); color:var(--muted) }
.btn-ghost:hover { border-color:var(--faint); color:var(--text) }
.btn-outline { border:1px solid rgba(var(--accent-r),.4); color:var(--accent) }
.btn-outline:hover { background:rgba(var(--accent-r),.08); border-color:var(--accent) }

/* ─── CARDS ──────────────────────────────────────── */
.card {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:var(--r2); padding:28px;
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform:translateY(-3px); border-color:var(--border2); box-shadow:0 16px 40px rgba(0,0,0,.3) }
.card-accent { border-top:2px solid var(--accent) }

/* ─── TAGS ───────────────────────────────────────── */
.tag {
  display:inline-flex; align-items:center; gap:5px;
  padding:3px 10px; border-radius:99px;
  font-size:.7rem; font-weight:600; letter-spacing:.04em;
}
.tag-orange { background:rgba(255,107,53,.1); border:1px solid rgba(255,107,53,.22); color:var(--orange2) }
.tag-teal   { background:rgba(0,212,170,.1);  border:1px solid rgba(0,212,170,.22);  color:var(--teal) }
.tag-blue   { background:rgba(74,158,255,.1); border:1px solid rgba(74,158,255,.22); color:var(--blue) }
.tag-purple { background:rgba(155,126,245,.1);border:1px solid rgba(155,126,245,.22);color:var(--purple) }
.tag-yellow { background:rgba(255,201,64,.1); border:1px solid rgba(255,201,64,.22); color:var(--yellow) }
.tag-green  { background:rgba(76,175,117,.1); border:1px solid rgba(76,175,117,.22); color:var(--green) }
.tag-muted  { background:rgba(255,255,255,.04);border:1px solid var(--border); color:var(--muted) }
.tag-accent { background:rgba(var(--accent-r),.1); border:1px solid rgba(var(--accent-r),.22); color:var(--accent) }

/* ─── REVEAL ANIMATIONS ──────────────────────────── */
.reveal {
  opacity:0; transform:translateY(22px);
  transition:opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1);
}
.reveal.visible { opacity:1; transform:none }
.d1 { transition-delay:.07s } .d2 { transition-delay:.14s }
.d3 { transition-delay:.21s } .d4 { transition-delay:.28s }
.d5 { transition-delay:.35s }

/* ─── FORM ───────────────────────────────────────── */
.form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:16px }
.form-group label { font-size:.78rem; font-weight:600; color:var(--muted); letter-spacing:.04em; text-transform:uppercase }
.form-group input,
.form-group select,
.form-group textarea {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:var(--r); padding:12px 16px;
  color:var(--text); font-family:var(--font-b); font-size:.9rem;
  transition:border-color .2s;
  width:100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline:none; border-color:rgba(var(--accent-r),.5) }
.form-group textarea { resize:vertical; min-height:100px }
.form-group select option { background:var(--bg3) }
.form-submit {
  background:var(--accent); color:#fff;
  padding:14px 32px; border-radius:10px;
  font-weight:700; font-size:.92rem;
  width:100%; transition:all .22s;
  border:none; cursor:pointer;
}
.form-submit:hover { background:var(--accent2); transform:translateY(-1px); box-shadow:0 8px 24px rgba(var(--accent-r),.3) }

/* ─── FOOTER ─────────────────────────────────────── */
footer {
  background:var(--bg2); border-top:1px solid var(--border);
  padding:60px 0 32px; margin-top:0;
}
.footer-grid {
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:48px;
  padding-bottom:48px; border-bottom:1px solid var(--border);
}
.footer-brand .logo { margin-bottom:12px }
.footer-brand p { font-size:.8rem; color:var(--muted); max-width:220px; line-height:1.7 }
.footer-col h5 {
  font-family:var(--font-d); font-weight:700; font-size:.75rem;
  letter-spacing:.08em; text-transform:uppercase; color:var(--faint);
  margin-bottom:16px;
}
.footer-col a { display:block; font-size:.8rem; color:var(--faint); margin-bottom:9px; transition:color .2s }
.footer-col a:hover { color:var(--text) }
.footer-bottom {
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:12px; padding-top:28px;
  font-size:.74rem; color:var(--faint);
}
.footer-legal { display:flex; gap:20px }
.footer-legal a:hover { color:var(--muted) }

/* ─── FOCUS / A11Y ───────────────────────────────── */
:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:4px }

/* ─── REDUCED MOTION ─────────────────────────────── */
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important }
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width:1024px) {
  .nav-links { display:none }
  .hamburger { display:flex }
}
@media (max-width:700px) {
  .footer-grid { grid-template-columns:1fr 1fr }
  section { padding:72px 0 }
}
@media (max-width:480px) {
  .footer-grid { grid-template-columns:1fr }
  .container { padding:0 20px }
}