/* ============================================================
   SAVINIEN — Avocats d'assurances
   Feuille de style principale
   Palette : encre #141A20 · ardoise #5C6B78 · lien #38556B
   Typographie : Libre Baskerville (Google Fonts), repli Georgia
   ============================================================ */

:root {
  --encre: #141A20;
  --ardoise: #5C6B78;
  --lien: #38556B;
  --gris-clair: #8A939B;
  --filet: #E4E7EA;
  --blanc: #FFFFFF;
  --voile-haut: rgba(20, 26, 32, 0.30);
  --voile-bas: rgba(20, 26, 32, 0.74);
  --serif: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--serif);
  color: var(--encre);
  background: var(--blanc);
  line-height: 1.8;
  font-size: 17px;
}

img { max-width: 100%; display: block; }

a { color: var(--lien); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--lien);
  outline-offset: 3px;
}

/* ---------- En-tête et navigation ---------- */

.entete {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 56px);
  flex-wrap: wrap;
}

.entete--pleine {
  position: static;
  background: var(--encre);
}

.marque {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--blanc);
}

.marque__cercle {
  width: 46px;
  height: 46px;
  flex: none;
  border: 1.6px solid var(--blanc);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  padding-top: 2px;
}

.marque__nom {
  font-size: 19px;
  letter-spacing: 5px;
}

.marque__sous {
  font-size: 11px;
  letter-spacing: 4px;
  color: #D4DAE0;
  margin-top: 3px;
}

.nav {
  display: flex;
  gap: clamp(14px, 2.5vw, 30px);
  flex-wrap: wrap;
}

.nav a {
  color: #E9EDF0;
  text-decoration: none;
  font-size: 13.5px;
  letter-spacing: 2px;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--blanc);
  border-bottom-color: var(--blanc);
}

/* ---------- Héros photo plein écran ---------- */

.heros {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('../images/facade-verre.jpg') center / cover no-repeat;
  color: var(--blanc);
}

.heros::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--voile-haut), var(--voile-bas));
}

.heros__contenu {
  position: relative;
  padding: 140px 24px 80px;
  max-width: 640px;
}

.heros__titre {
  font-size: clamp(34px, 6vw, 54px);
  font-weight: 400;
  line-height: 1.25;
}

.heros__exergue {
  font-style: italic;
  color: #E4E9ED;
  font-size: clamp(15px, 2.2vw, 19px);
  margin-top: 26px;
}

/* ---------- Éléments communs ---------- */

.filet-blanc,
.filet-encre {
  width: 46px;
  height: 1px;
  margin: 26px auto;
  border: none;
}
.filet-blanc { background: rgba(255, 255, 255, 0.85); }
.filet-encre { background: rgba(20, 26, 32, 0.6); }

.bouton {
  display: inline-block;
  border: 1px solid currentColor;
  color: inherit;
  background: none;
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 34px;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.heros .bouton:hover {
  background: var(--blanc);
  color: var(--encre);
}

.section-claire .bouton:hover {
  background: var(--encre);
  color: var(--blanc);
}

.surtitre {
  font-size: 12.5px;
  letter-spacing: 4px;
  color: var(--gris-clair);
  text-transform: uppercase;
}

.titre-section {
  font-size: clamp(24px, 3.6vw, 32px);
  font-weight: 400;
  margin-top: 12px;
}

.sous-titre {
  font-style: italic;
  color: var(--ardoise);
  font-size: 15px;
  margin-top: 8px;
}

/* ---------- Sections claires ---------- */

.section-claire {
  padding: clamp(60px, 9vw, 100px) 24px;
  text-align: center;
}

.section-claire + .section-claire {
  border-top: 1px solid var(--filet);
}

.prose {
  max-width: 620px;
  margin: 34px auto 0;
}

.prose p + p { margin-top: 16px; }

.signature {
  margin-top: 34px;
  font-size: 18px;
  letter-spacing: 1px;
}

.section-claire .bouton { margin-top: 26px; color: var(--encre); }

/* ---------- Bandeau des valeurs ---------- */

.valeurs {
  position: relative;
  background: url('../images/tours-ondulees.jpg') center / cover no-repeat;
  color: var(--blanc);
  text-align: center;
}

.valeurs::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 26, 32, 0.66), rgba(20, 26, 32, 0.82));
}

.valeurs__contenu {
  position: relative;
  padding: clamp(60px, 9vw, 100px) clamp(20px, 5vw, 56px);
  max-width: 1160px;
  margin: 0 auto;
}

.valeurs .surtitre { color: #AEB8C0; }

.valeurs__grille {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 44px;
  text-align: left;
}

.valeur {
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 30px 26px;
}

.valeur h3 {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 3.5px;
  text-align: center;
  text-transform: uppercase;
}

.valeur .sous-titre {
  color: #C7D0D7;
  text-align: center;
  margin: 8px 0 18px;
}

.valeur p {
  font-size: 15px;
  color: #E4E9ED;
  line-height: 1.85;
}

/* ---------- Actualités ---------- */

.actu-grille {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px auto 0;
  max-width: 1100px;
  text-align: left;
}

.actu-carte {
  border: 1px solid #D9DDE1;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease;
}

.actu-carte:hover { border-color: var(--encre); }

.actu-carte img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.actu-carte__corps { padding: 20px; }

.actu-carte time {
  font-size: 11.5px;
  letter-spacing: 1.5px;
  color: var(--gris-clair);
  text-transform: uppercase;
}

.actu-carte h3 {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.5;
  margin: 10px 0;
}

.actu-carte p {
  font-size: 14px;
  color: var(--ardoise);
  line-height: 1.7;
}

.lien-souligne {
  display: inline-block;
  margin-top: 34px;
  color: var(--encre);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--encre);
  padding-bottom: 3px;
}

/* Page Actualités : articles complets */

.page-corps {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(50px, 8vw, 90px) 24px;
}

.article {
  padding: 44px 0;
}

.article + .article { border-top: 1px solid var(--filet); }

.article time {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gris-clair);
  text-transform: uppercase;
}

.article h2 {
  font-size: clamp(22px, 3vw, 27px);
  font-weight: 400;
  line-height: 1.4;
  margin: 12px 0 22px;
}

.article__image {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  margin-bottom: 26px;
}

.article p + p { margin-top: 15px; }

.vide {
  text-align: center;
  color: var(--ardoise);
  font-style: italic;
  padding: 60px 0;
}

/* ---------- Contact ---------- */

.contact-adresse {
  font-size: 17px;
  margin-top: 30px;
}

.contact-mail {
  display: inline-block;
  margin-top: 18px;
  font-style: italic;
  font-size: 16px;
}

/* ---------- Mentions légales ---------- */

.legal h2 {
  font-size: 21px;
  font-weight: 400;
  margin: 44px 0 14px;
}

.legal h3 {
  font-size: 17px;
  font-weight: 400;
  font-style: italic;
  margin: 26px 0 10px;
  color: var(--ardoise);
}

.legal p + p { margin-top: 12px; }

.legal ul { margin: 12px 0 12px 22px; }

.a-completer {
  background: #FDF3D7;
  padding: 1px 6px;
}

/* ---------- Pied de page ---------- */

.pied {
  background: var(--encre);
  color: var(--blanc);
  text-align: center;
  padding: 44px 24px;
}

.pied__cercle {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border: 1.6px solid var(--blanc);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  padding-top: 2px;
}

.pied__nom {
  font-size: 13px;
  letter-spacing: 4px;
  margin-top: 12px;
}

.pied__ligne {
  font-size: 13px;
  color: var(--gris-clair);
  margin-top: 14px;
}

.pied a { color: #C7D0D7; }

/* ---------- Adaptation mobile ---------- */

@media (max-width: 900px) {
  .valeurs__grille,
  .actu-grille { grid-template-columns: 1fr; }
  .heros { min-height: 88vh; }
}

@media (max-width: 640px) {
  .entete { justify-content: center; text-align: center; }
  .nav { justify-content: center; }
  .heros__contenu { padding-top: 170px; }
}