/* ============================================================
   FIREPREV EXPERT - charte.css
   Charte graphique des sous-pages, extraite de la home animee
   (/index.html). Version allegee : pas de canvas de braises,
   pas de tilt 3D, pas de marquee, pas de boutons magnetiques.
   Typo : Barlow (corps) + Barlow Condensed (titres), chargees
   par chaque page via Google Fonts.
   ============================================================ */

/* ---------- Variables (identiques a la home) ---------- */
:root {
  --navy-950: #060b18;
  --navy-900: #0a1226;
  --navy-800: #101c3a;
  --navy-700: #1F3864;
  --navy-600: #2b4a80;
  --ember-500: #E91200;
  --ember-400: #ff4433;
  --ember-300: #ff7a6e;
  --gold-400: #ffd2cc;
  --text-100: #ffffff;
  --text-300: #c4cee6;
  --text-500: #8b97b8;
  --glass: rgba(16, 28, 58, 0.55);
  --glass-border: rgba(255, 68, 51, 0.18);
  --radius: 18px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  /* Alias de compatibilite avec l'ancien design (css.css) */
  --text-sec: var(--text-300);
}

/* ---------- Reset / base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--navy-950);
  color: var(--text-100);
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, .display { font-family: 'Barlow Condensed', sans-serif; }
a { color: inherit; }
img { max-width: 100%; display: block; }

::selection { background: var(--ember-500); color: #fff; }

/* ---------- Header glassmorphism fixe auto-masquant ---------- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 0.9rem 4vw;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  transition: transform 0.45s var(--ease-out), background 0.4s, box-shadow 0.4s, padding 0.4s;
  background: rgba(6, 11, 24, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
header.scrolled {
  background: rgba(6, 11, 24, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.45);
  padding: 0.55rem 4vw;
  border-bottom: 1px solid rgba(255, 68, 51, 0.12);
}
header.header-hidden { transform: translateY(-110%); }

.brand { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; }
.brand img { height: 46px; width: auto; filter: drop-shadow(0 0 10px rgba(255,68,51,0.35)); transition: transform 0.4s var(--ease-spring); }
.brand:hover img { transform: rotate(-6deg) scale(1.08); }
.brand-name { font-family: 'Barlow Condensed', sans-serif; font-weight: 800; font-size: 1.35rem; letter-spacing: 0.06em; }
.brand-name em { font-style: normal; color: var(--ember-400); }

nav.main { display: flex; gap: 0.2rem; align-items: center; flex-wrap: wrap; }
nav.main a {
  position: relative; text-decoration: none; color: var(--text-300);
  font-size: 0.92rem; font-weight: 500; padding: 0.45rem 0.85rem; border-radius: 99px;
  transition: color 0.25s;
}
nav.main a::after {
  content: ''; position: absolute; left: 50%; bottom: 2px; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--ember-500), var(--gold-400));
  transition: width 0.35s var(--ease-out), left 0.35s var(--ease-out);
  border-radius: 2px;
}
nav.main a:hover { color: #fff; }
nav.main a:hover::after, nav.main a.active::after, nav.main a[aria-current="page"]::after { width: 60%; left: 20%; }
nav.main a.active, nav.main a[aria-current="page"] { color: var(--ember-300); }
.nav-cta {
  background: linear-gradient(135deg, var(--ember-500), #c30f00);
  color: #fff !important; font-weight: 600 !important;
  box-shadow: 0 4px 18px rgba(233, 18, 0, 0.35);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s !important;
}
.nav-cta:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 8px 26px rgba(233, 18, 0, 0.55); }
.nav-cta::after { display: none; }

/* ---------- Hero de sous-page (bandeau titre, fond bleu nuit, barre rouge) ---------- */
.page-hero {
  position: relative;
  padding: clamp(8rem, 16vw, 11rem) 4vw clamp(3.5rem, 7vw, 5.5rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 70% at 50% 120%, rgba(233, 18, 0, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% -10%, rgba(43, 74, 128, 0.5), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 0%, rgba(31, 56, 100, 0.55), transparent 65%),
    var(--navy-950);
  border-bottom: 1px solid rgba(255, 68, 51, 0.12);
}
.page-hero-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
.page-hero-title, .page-hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  font-weight: 900; line-height: 1.02; letter-spacing: 0.015em;
  text-transform: uppercase;
  margin: 1.2rem auto 1rem;
  position: relative;
  padding-bottom: 1.1rem;
  width: fit-content;
  max-width: 100%;
}
.page-hero-title::after, .page-hero h1::after {
  content: ''; position: absolute; left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 84px; height: 4px; border-radius: 3px;
  background: linear-gradient(90deg, var(--ember-500), var(--gold-400));
  box-shadow: 0 0 14px rgba(233, 18, 0, 0.6);
}
.page-hero-sub {
  font-size: clamp(1.02rem, 2vw, 1.25rem); color: var(--text-300); font-weight: 300;
  max-width: 640px; margin: 0 auto;
}
.page-hero-sub strong { color: var(--text-100); font-weight: 600; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 1.1rem; border-radius: 99px;
  border: 1px solid var(--glass-border); background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ember-300);
}

/* ---------- Sections ---------- */
.section { padding: clamp(4rem, 8vw, 7rem) 4vw; position: relative; }
.container { max-width: 1180px; margin: 0 auto; }
.section-dark {
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(233, 18, 0, 0.07), transparent 60%),
    var(--navy-900);
}
.section-head, .section-header { margin-bottom: 3rem; }
.section-label {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ember-400);
  padding-bottom: 0.4rem; position: relative; margin-bottom: 0.8rem;
}
.section-label::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--ember-500), transparent);
}
.section-head h2, .section-header h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.015em; line-height: 1.05;
}
.section-head p.intro, .section-header p.intro { color: var(--text-300); max-width: 640px; margin-top: 1rem; font-weight: 300; font-size: 1.08rem; }

.section-description { padding: clamp(3rem, 6vw, 4.5rem) 4vw; }
.lead-text {
  max-width: 880px; margin: 0 auto; text-align: center;
  font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-300); font-weight: 300;
}
.lead-text strong { color: var(--text-100); font-weight: 600; }

/* ---------- Cartes (memes rayons / bordures / ombres / hover que la home) ---------- */
.subpage-grid, .card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.3rem;
}
.subpage-block, .card {
  display: block;
  padding: 1.8rem 1.6rem; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(16, 28, 58, 0.85), rgba(10, 18, 38, 0.9));
  border: 1px solid rgba(196, 206, 230, 0.1);
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s, background 0.4s;
}
.subpage-block:hover, .card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 68, 51, 0.45);
  box-shadow: 0 18px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,68,51,0.15);
}
a.subpage-block, a.card { text-decoration: none; color: var(--text-100); }

.subpage-block-head { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.1rem; }
.subpage-block-head h2, .subpage-block-head h3, .subpage-block h3 {
  font-size: 1.35rem; font-weight: 700; letter-spacing: 0.02em; line-height: 1.15;
}
.subpage-block p { color: var(--text-300); font-size: 0.95rem; font-weight: 300; }

.evnt-icon, .card-icon {
  flex-shrink: 0;
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(233, 18, 0, 0.18), rgba(255, 210, 204, 0.08));
  border: 1px solid rgba(255, 68, 51, 0.25);
  transition: transform 0.45s var(--ease-spring), background 0.4s;
}
.subpage-block:hover .evnt-icon, .card:hover .card-icon {
  transform: translateY(-3px) rotate(-5deg) scale(1.08);
  background: linear-gradient(135deg, rgba(233, 18, 0, 0.32), rgba(255, 210, 204, 0.14));
}
.evnt-icon svg, .card-icon svg { width: 24px; height: 24px; stroke: var(--ember-300); }

.card-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1.1rem;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ember-400);
}
.card-arrow svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease-spring); }
a.subpage-block:hover .card-arrow svg, a.card:hover .card-arrow svg { transform: translateX(5px); }

/* ---------- Listes a puces stylees (losange rouge, comme la home) ---------- */
.subpage-block ul, .card ul, .content-list { list-style: none; }
.subpage-block li, .card li, .content-list li {
  position: relative; padding-left: 1.2rem; color: var(--text-300);
  font-size: 0.92rem; font-weight: 300; margin-bottom: 0.45rem;
}
.subpage-block li::before, .card li::before, .content-list li::before {
  content: ''; position: absolute; left: 0; top: 0.55em;
  width: 6px; height: 6px; border-radius: 2px; background: var(--ember-500);
  transform: rotate(45deg);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 2rem; border-radius: 99px; text-decoration: none;
  font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer;
  text-transform: uppercase; letter-spacing: 0.08em;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s, background 0.35s, border-color 0.35s, color 0.35s;
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.35s var(--ease-spring); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary, .btn-fire {
  background: linear-gradient(135deg, var(--ember-500), #c30f00);
  color: #fff;
  box-shadow: 0 6px 24px rgba(233, 18, 0, 0.4);
}
.btn-primary:hover, .btn-fire:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 34px rgba(233, 18, 0, 0.6);
}
.btn-secondary, .btn-ghost {
  background: transparent; color: var(--text-100);
  border: 1px solid rgba(196, 206, 230, 0.3);
}
.btn-secondary:hover, .btn-ghost:hover {
  border-color: var(--ember-400); color: var(--ember-300);
  transform: translateY(-3px); background: rgba(255, 68, 51, 0.06);
}
.section-cta { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Tableaux ---------- */
table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
table caption { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 1.15rem; text-align: left; margin-bottom: 0.7rem; }
th, td { padding: 0.8rem 1rem; text-align: left; border-bottom: 1px solid rgba(196, 206, 230, 0.12); }
th {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ember-300); background: rgba(16, 28, 58, 0.6);
}
td { color: var(--text-300); font-weight: 300; }
tbody tr { transition: background 0.25s; }
tbody tr:hover { background: rgba(16, 28, 58, 0.45); }

/* ---------- FAQ (details / summary) ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
.faq-item {
  border-radius: 14px;
  background: rgba(16, 28, 58, 0.55); border: 1px solid rgba(196, 206, 230, 0.1);
  transition: border-color 0.35s, background 0.35s;
  overflow: hidden;
}
.faq-item:hover, .faq-item[open] { border-color: rgba(255, 68, 51, 0.35); }
.faq-item[open] { background: rgba(16, 28, 58, 0.75); }
.faq-item summary {
  cursor: pointer; list-style: none;
  padding: 1.1rem 3rem 1.1rem 1.3rem; position: relative;
  font-weight: 600; font-size: 1.02rem; color: var(--text-100);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ''; position: absolute; right: 1.3rem; top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid var(--ember-400); border-bottom: 2px solid var(--ember-400);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.35s var(--ease-out);
}
.faq-item[open] summary::after { transform: translateY(-35%) rotate(225deg); }
.faq-body { padding: 0 1.3rem 1.2rem; }
.faq-body p { color: var(--text-300); font-weight: 300; font-size: 0.95rem; }

/* ---------- Bande CTA / avis ---------- */
.section-avis {
  text-align: center; padding: clamp(3.5rem, 7vw, 5.5rem) 4vw;
  background:
    radial-gradient(ellipse 60% 100% at 50% 100%, rgba(233, 18, 0, 0.13), transparent 70%),
    var(--navy-900);
  border-top: 1px solid rgba(255, 68, 51, 0.12);
  border-bottom: 1px solid rgba(255, 68, 51, 0.12);
}
.section-avis h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); text-transform: uppercase; margin-bottom: 0.6rem; }
.section-avis p { color: var(--text-300); margin-bottom: 1.8rem; font-weight: 300; }

/* ---------- Footer (identique a la home) ---------- */
footer { padding: 3rem 4vw 2rem; background: var(--navy-950); border-top: 1px solid rgba(196, 206, 230, 0.08); }
.footer-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; align-items: start; }
.footer-inner img { height: 52px; width: auto; margin-bottom: 0.8rem; }
.footer-inner p { color: var(--text-500); font-size: 0.85rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a { color: var(--text-300); text-decoration: none; font-size: 0.92rem; transition: color 0.25s, transform 0.25s; width: fit-content; }
.footer-col a:hover { color: var(--ember-300); transform: translateX(4px); }

/* ---------- Utilitaires reveal ---------- */
.reveal {
  opacity: 0; transform: translateY(38px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.reveal.reveal-visible { opacity: 1; transform: none; }

/* ---------- Accessibilite : mouvement reduit ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .subpage-grid, .card-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
}
@media (max-width: 720px) {
  header { flex-direction: column; align-items: flex-start; gap: 0.5rem; padding: 0.7rem 4vw; }
  nav.main { gap: 0; }
  nav.main a { font-size: 0.85rem; padding: 0.35rem 0.6rem; }
  .brand img { height: 38px; }
  .brand-name { font-size: 1.15rem; }
  .page-hero { padding-top: 9.5rem; }
  table { display: block; overflow-x: auto; }
}