/* ALTEZIA — sommaires de présentations. Charte reprise des plaquettes. */
:root {
  --ink: #0f172a;
  --slate: #1e293b;
  --slate-light: #334155;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --paper: #f8fafc;
  --line: #e2e8f0;
  --muted: #64748b;
  --muted-strong: #475569;
  --white: #fff;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1000px; margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* ---------- Bandeau sombre (accueil public, connexion) ---------- */
.hero {
  background: var(--ink);
  color: var(--white);
  padding: 72px 0 64px;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light) 55%, transparent);
}
.hero .eyebrow { color: var(--accent-light); }
.hero-logo { height: 30px; width: auto; margin-bottom: 44px; }
.hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin: 14px 0 0;
}
.hero p {
  margin: 18px 0 0;
  max-width: 46ch;
  color: #cbd5e1;
  font-size: 17px;
}

/* ---------- Barre claire (accueil interne) ---------- */
.topbar {
  background: var(--ink);
  color: var(--white);
  padding: 16px 0;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar img { height: 22px; width: auto; }
.topbar .badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-light);
  border: 1px solid rgba(96,165,250,.4);
  border-radius: 3px;
  padding: 3px 9px;
}
.topbar .spacer { flex: 1; }
.topbar a {
  font-size: 13px;
  font-weight: 500;
  color: #94a3b8;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.topbar a:hover { color: var(--white); border-bottom-color: var(--accent); }

.page-head { padding: 48px 0 8px; }
.page-head h1 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -.025em;
  margin: 12px 0 0;
  color: var(--ink);
}
.page-head p { margin: 12px 0 0; color: var(--muted-strong); max-width: 56ch; }

/* ---------- Groupes ---------- */
.group { padding: 44px 0 0; }
.group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
}
.group-head h2 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}
.group-head .count {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- La ligne-document : l'élément signature ---------- */
.docs { border-top: 1px solid var(--line); }
.doc {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 18px 20px 18px 22px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  position: relative;
  background: transparent;
  transition: background .18s ease;
}
.doc::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .22s ease;
}
.doc:hover, .doc:focus-visible { background: rgba(59,130,246,.05); outline: none; }
.doc:hover::before, .doc:focus-visible::before { transform: scaleY(1); }
.doc:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }

.doc-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
  margin: 0;
}
.doc-desc {
  font-size: 14px;
  color: var(--muted);
  margin: 3px 0 0;
}
.doc-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--muted-strong);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 7px;
  background: var(--white);
}
.arrow {
  color: var(--accent);
  font-size: 17px;
  line-height: 1;
  transform: translateX(-4px);
  opacity: .45;
  transition: transform .22s ease, opacity .22s ease;
}
.doc:hover .arrow, .doc:focus-visible .arrow { transform: translateX(0); opacity: 1; }

/* ---------- Pied ---------- */
.foot {
  margin-top: 64px;
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.foot a { color: var(--muted-strong); }

/* ---------- Connexion ---------- */
.login-page {
  background: var(--ink);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.login-card { width: 100%; max-width: 380px; }
.login-card img { height: 28px; width: auto; margin-bottom: 36px; }
.login-card h1 {
  color: var(--white);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 10px 0 8px;
}
.login-card > p { color: #94a3b8; font-size: 15px; margin: 0 0 26px; }
.login-card .eyebrow { color: var(--accent-light); }
.login-card label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #cbd5e1;
  margin-bottom: 8px;
}
.login-card input {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--white);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--slate-light);
  border-radius: 5px;
  padding: 12px 14px;
}
.login-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.25);
}
.login-card button {
  width: 100%;
  margin-top: 16px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  background: var(--accent);
  border: 0;
  border-radius: 5px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background .18s ease;
}
.login-card button:hover { background: #2563eb; }
.login-card button:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 2px; }
.error {
  display: flex;
  gap: 9px;
  font-size: 14px;
  color: #fca5a5;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 5px;
  padding: 10px 13px;
  margin-bottom: 20px;
}
.login-card .login-foot { margin-top: 28px; font-size: 13px; color: #64748b; }
.login-card .login-foot a { color: #94a3b8; }

@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .hero { padding: 52px 0 46px; }
  .doc { grid-template-columns: 1fr; gap: 10px; padding: 16px 16px 16px 18px; }
  .doc-meta { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}