/* ==========================================================================
   COBLENTZ — site vitrine (mémoire de marque + orientation vers My Podologie)
   Feuille de styles commune. Thème médical : blanc / bleu / vert.
   ========================================================================== */

:root {
  --bleu: #0a5a9c;
  --bleu-fonce: #073e6b;
  --bleu-clair: #e7f1fa;
  --vert: #1a9e6a;
  --vert-fonce: #147a51;
  --vert-clair: #e4f6ee;
  --gris-texte: #2b3440;
  --gris-doux: #5d6b7a;
  --gris-bord: #e2e8f0;
  --gris-fond: #f5f8fb;
  --blanc: #ffffff;
  --ambre: #f7b500;
  --radius: 12px;
  --ombre: 0 6px 24px rgba(7, 62, 107, 0.08);
  --ombre-forte: 0 12px 40px rgba(7, 62, 107, 0.14);
  --largeur: 1140px;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gris-texte);
  background: var(--blanc);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--bleu-fonce);
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.1em; }

a { color: var(--bleu); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--vert); text-decoration: underline; }

.wrap {
  width: 100%;
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 64px 0; }

/* ---------- Bandeau d'annonce ---------- */
.bandeau {
  background: var(--vert-fonce);
  color: #eafaf2;
  font-size: 0.92rem;
  text-align: center;
  padding: 8px 16px;
}
.bandeau a { color: #fff; text-decoration: underline; font-weight: 600; }

/* ---------- En-tête ---------- */
.entete {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-bord);
}
.entete .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--bleu-fonce);
}
.logo:hover { text-decoration: none; color: var(--bleu-fonce); }
.logo .mark {
  display: inline-flex;
  width: 38px; height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--bleu), var(--vert));
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.logo small {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gris-doux);
}

nav.principale ul {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0; padding: 0;
}
nav.principale a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--gris-texte);
  font-weight: 600;
  font-size: 0.95rem;
}
nav.principale a:hover,
nav.principale a.actif {
  background: var(--bleu-clair);
  color: var(--bleu-fonce);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gris-bord);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(150deg, var(--bleu-clair) 0%, #fff 55%, var(--vert-clair) 100%);
  border-bottom: 1px solid var(--gris-bord);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}
.hero .pastille {
  display: inline-block;
  background: var(--ambre);
  color: #4a3800;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero p.chapo { font-size: 1.15rem; color: var(--gris-doux); }

.hero-carte {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
  padding: 30px;
  border: 1px solid var(--gris-bord);
}
.hero-carte h3 { display: flex; align-items: center; gap: 8px; }
.hero-carte ul { list-style: none; margin: 0; padding: 0; }
.hero-carte li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--gris-bord);
  display: flex; justify-content: space-between; align-items: center;
}
.hero-carte li:last-child { border-bottom: none; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primaire {
  background: var(--vert);
  color: #fff;
  box-shadow: 0 6px 18px rgba(26, 158, 106, 0.35);
}
.btn-primaire:hover {
  background: var(--vert-fonce);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
}
.btn-secondaire {
  background: #fff;
  color: var(--bleu);
  border-color: var(--bleu);
}
.btn-secondaire:hover { background: var(--bleu-clair); text-decoration: none; transform: translateY(-2px); }
.btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

/* ---------- Sections utilitaires ---------- */
.fond-gris { background: var(--gris-fond); }
.centre { text-align: center; }
.centre .sous-titre { max-width: 720px; margin: 0 auto 8px; color: var(--gris-doux); font-size: 1.1rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--vert);
  margin-bottom: 10px;
}

/* ---------- Grille de cartes univers ---------- */
.grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.carte {
  background: #fff;
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--ombre);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.carte:hover { transform: translateY(-4px); box-shadow: var(--ombre-forte); border-color: #cfe0f0; }
.carte .ico {
  width: 54px; height: 54px;
  border-radius: 12px;
  background: var(--bleu-clair);
  color: var(--bleu);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.carte .ico svg { width: 28px; height: 28px; }
.carte h3 { margin-bottom: 8px; }
.carte p { color: var(--gris-doux); font-size: 0.97rem; flex-grow: 1; }
.carte .lien-carte {
  margin-top: 14px;
  font-weight: 700;
  color: var(--vert);
  display: inline-flex; align-items: center; gap: 6px;
}
.carte .lien-carte:hover { gap: 10px; text-decoration: none; }

/* ---------- Liste de liens (tags) ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 4px; }
.tag {
  display: inline-block;
  background: var(--vert-clair);
  color: var(--vert-fonce);
  border: 1px solid #c4e8d7;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}
.tag:hover { background: var(--vert); color: #fff; text-decoration: none; }

/* ---------- Bloc contenu rédactionnel ---------- */
.contenu { max-width: 820px; margin: 0 auto; }
.contenu h2 { margin-top: 1.6em; }
.contenu ul { padding-left: 1.2em; }
.contenu li { margin-bottom: 0.5em; }
.contenu a { font-weight: 600; }

/* ---------- Encart d'appel (CTA) ---------- */
.cta {
  background: linear-gradient(135deg, var(--bleu-fonce), var(--bleu));
  color: #eaf3fb;
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--ombre-forte);
}
.cta h2 { color: #fff; }
.cta p { color: #cfe2f4; max-width: 640px; margin: 0 auto 24px; }
.cta .btn-primaire { box-shadow: 0 8px 22px rgba(0,0,0,0.25); }

/* ---------- Timeline (histoire) ---------- */
.timeline { max-width: 760px; margin: 40px auto 0; position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 3px; background: linear-gradient(var(--bleu), var(--vert));
  border-radius: 3px;
}
.timeline .item { position: relative; padding: 0 0 30px 24px; }
.timeline .item::before {
  content: ""; position: absolute; left: -30px; top: 4px;
  width: 17px; height: 17px; border-radius: 50%;
  background: #fff; border: 4px solid var(--bleu);
}
.timeline .item.fin::before { border-color: var(--ambre); }
.timeline .annee { font-weight: 800; color: var(--vert); font-size: 1.1rem; }

/* ---------- Encadré info ---------- */
.encadre {
  background: var(--bleu-clair);
  border-left: 5px solid var(--bleu);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 28px 0;
}
.encadre.alerte { background: #fff7e0; border-left-color: var(--ambre); }
.encadre p:last-child { margin-bottom: 0; }

/* ---------- Bandeau chiffres ---------- */
.chiffres { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.chiffre { text-align: center; }
.chiffre .val { font-size: 2.4rem; font-weight: 800; color: var(--vert); line-height: 1; }
.chiffre .lib { color: var(--gris-doux); font-size: 0.95rem; margin-top: 6px; }

/* ---------- Fil d'ariane ---------- */
.ariane { font-size: 0.88rem; color: var(--gris-doux); padding: 18px 0 0; }
.ariane a { color: var(--gris-doux); }
.ariane span { color: var(--bleu-fonce); font-weight: 600; }

/* ---------- Pied de page ---------- */
.pied {
  background: var(--bleu-fonce);
  color: #bcd4e8;
  padding: 56px 0 28px;
  margin-top: 0;
}
.pied a { color: #d5e6f4; }
.pied a:hover { color: #fff; }
.pied .cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
}
.pied h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li { margin-bottom: 9px; font-size: 0.93rem; }
.pied .logo { color: #fff; margin-bottom: 14px; }
.pied .logo small { color: #9db8d0; }
.pied p { font-size: 0.92rem; color: #a7c2da; }
.pied .bas {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 40px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: #90aecb;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  nav.principale {
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--gris-bord);
    box-shadow: var(--ombre); display: none;
  }
  nav.principale.ouvert { display: block; }
  nav.principale ul { flex-direction: column; padding: 12px; gap: 2px; }
  nav.principale a { padding: 12px; }
  .menu-toggle { display: block; }
  .pied .cols { grid-template-columns: 1fr 1fr; gap: 28px; }
  section { padding: 48px 0; }
}
@media (max-width: 520px) {
  .pied .cols { grid-template-columns: 1fr; }
  .cta { padding: 36px 22px; }
}