/* ═══════════════════════════════════════════
   IA-PERF.FR — Feuille de style commune
   Palette : bordeaux · marine · vert · blanc chaud
═══════════════════════════════════════════ */

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

:root {
  --bordeaux:       #7B2D42;
  --bordeaux-light: #A84B65;
  --bordeaux-pale:  #F5EAEd;
  --marine:         #1E3A5F;
  --marine-mid:     #2C5282;
  --marine-pale:    #EBF0F8;
  --vert:           #2A7A5B;
  --vert-pale:      #E8F4EF;
  --blanc:          #FAFAF8;
  --gris-chaud:     #F2EFE9;
  --gris-texte:     #4A4540;
  --gris-doux:      #8C8480;
  --noir-doux:      #1A1815;
  --transition:     0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--blanc);
  color: var(--gris-texte);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,250,248,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(123,45,66,0.1);
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
  gap: 1rem;
}
.nav-logo {
  font-family: 'Lora', serif;
  font-size: 1.35rem; font-weight: 600;
  color: var(--bordeaux); text-decoration: none;
  letter-spacing: -0.02em; white-space: nowrap;
}
.nav-logo span { color: var(--marine); }
.nav-links { display: flex; gap: 0.25rem; list-style: none; flex-wrap: wrap; }
.nav-links a {
  text-decoration: none; font-size: 0.85rem; font-weight: 500;
  color: var(--gris-texte); padding: 0.4rem 0.75rem;
  border-radius: 6px; transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--bordeaux); background: var(--bordeaux-pale); }
.nav-qualiopi {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 600; color: var(--vert);
  background: var(--vert-pale); border: 1px solid rgba(42,122,91,0.2);
  padding: 0.3rem 0.75rem; border-radius: 100px; white-space: nowrap;
}
.nav-qualiopi img { height: 18px; }
.nav-cta {
  background: var(--bordeaux); color: white !important;
  padding: 0.5rem 1.2rem; border-radius: 6px;
  font-weight: 600 !important; font-size: 0.85rem !important;
  white-space: nowrap; transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--bordeaux-light) !important; }

/* ── SECTIONS ── */
section { padding: 88px 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bordeaux); margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Lora', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--noir-doux); line-height: 1.2;
  margin-bottom: 1rem; font-weight: 600;
}
.section-title em { font-style: italic; color: var(--bordeaux); }
.section-intro {
  font-size: 1.05rem; color: var(--gris-doux);
  max-width: 580px; line-height: 1.8; font-weight: 300;
}
.bg-gris { background: var(--gris-chaud); }
.bg-marine { background: var(--marine); }

/* ── BOUTONS ── */
.btn-primary {
  background: var(--bordeaux); color: white;
  padding: 0.9rem 2rem; border-radius: 8px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; display: inline-flex;
  align-items: center; gap: 0.5rem;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(123,45,66,0.25);
}
.btn-primary:hover { background: var(--bordeaux-light); transform: translateY(-2px); }
.btn-secondary {
  color: var(--marine); font-weight: 500; font-size: 0.95rem;
  text-decoration: none; display: inline-flex;
  align-items: center; gap: 0.4rem;
  padding: 0.9rem 1.5rem;
  border: 1.5px solid var(--marine-mid); border-radius: 8px;
  transition: all var(--transition);
}
.btn-secondary:hover { background: var(--marine-pale); }
.btn-white {
  background: white; color: var(--marine);
  padding: 0.9rem 2rem; border-radius: 8px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; display: inline-flex;
  align-items: center; gap: 0.5rem;
  transition: all var(--transition);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.18); }
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,0.3); color: white;
  padding: 0.9rem 1.75rem; border-radius: 8px;
  font-weight: 500; font-size: 0.9rem;
  text-decoration: none; display: inline-flex;
  align-items: center; gap: 0.5rem;
  transition: all var(--transition);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.9rem; border-radius: 100px;
  font-size: 0.8rem; font-weight: 500;
}
.badge-vert { background: var(--vert-pale); color: var(--vert); border: 1px solid rgba(42,122,91,0.2); }
.badge-marine { background: var(--marine-pale); color: var(--marine); border: 1px solid rgba(30,58,95,0.15); }
.badge-bordeaux { background: var(--bordeaux-pale); color: var(--bordeaux); border: 1px solid rgba(123,45,66,0.2); }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.55;transform:scale(.8)} }

/* ── STRIP RÉASSURANCE ── */
.strip {
  background: var(--gris-chaud);
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 1.25rem 2rem;
}
.strip-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  flex-wrap: wrap; justify-content: center;
}
.strip-item {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; font-weight: 500; color: var(--gris-texte);
}
.strip-check {
  width: 20px; height: 20px; background: var(--vert);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: white; font-size: 0.68rem; flex-shrink: 0;
}

/* ── CARDS ── */
.card {
  background: white; border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.07);
  padding: 1.75rem; transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(0,0,0,0.09); }
.card-marine { background: var(--marine); border-radius: 16px; padding: 2rem; color: white; }

/* ── FOOTER ── */
footer {
  background: var(--noir-doux);
  padding: 3rem 2rem 2rem;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3rem;
}
.footer-logo {
  font-family: 'Lora', serif; font-size: 1.25rem;
  font-weight: 600; color: white; display: block; margin-bottom: 0.75rem;
}
.footer-logo span { color: #9EC8F5; }
.footer-desc { font-size: 0.84rem; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-col-title { font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.35); margin-bottom: 1rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { text-decoration: none; font-size: 0.85rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-links a:hover { color: white; }
.footer-certifs {
  display: flex; gap: 1rem; align-items: center; margin-top: 1rem; flex-wrap: wrap;
}
.certif-badge {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px; padding: 0.5rem 1rem;
  font-size: 0.75rem; font-weight: 600; color: rgba(255,255,255,0.6);
  display: flex; align-items: center; gap: 0.4rem;
}
.footer-bottom {
  max-width: 1100px; margin: 2rem auto 0;
  padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.75rem;
  font-size: 0.78rem; color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.35); text-decoration: none; }
.footer-bottom a:hover { color: white; }

/* ── ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-qualiopi { display: none; }
}
@media (max-width: 700px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  section { padding: 64px 1.25rem; }
}