/* ============================================
   ITIZ PROD — Feuille de style
   Police : Caviar Dreams — Bleu : #0090ff
   ============================================ */

@font-face {
  font-family: 'Caviar Dreams';
  src: url('fonts/caviardreams-regular.woff2') format('woff2'),
       url('fonts/caviardreams-regular.woff') format('woff');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Caviar Dreams';
  src: url('fonts/caviardreams-bold.woff2') format('woff2'),
       url('fonts/caviardreams-bold.woff') format('woff');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Caviar Dreams';
  src: url('fonts/caviardreams-italic.woff2') format('woff2'),
       url('fonts/caviardreams-italic.woff') format('woff');
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'Caviar Dreams';
  src: url('fonts/caviardreams-bolditalic.woff2') format('woff2'),
       url('fonts/caviardreams-bolditalic.woff') format('woff');
  font-weight: 700; font-style: italic; font-display: swap;
}

:root {
  --bleu: #0090ff;
  --noir: #111111;
  --gris: #6b6b6b;
  --gris-clair: #e4e4e4;
  --blanc: #ffffff;
  --largeur: 1140px;
}

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

body {
  font-family: 'Caviar Dreams', -apple-system, sans-serif;
  font-weight: 400;
  color: var(--noir);
  background: var(--blanc);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ---------- EN-TÊTE ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 26px 24px;
}

.logo img { height: 54px; width: auto; display: block; }

.menu a {
  color: var(--noir);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  margin-left: 34px;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color .25s, color .25s;
}

.menu a:hover, .menu a.actif {
  color: var(--bleu);
  border-bottom-color: var(--bleu);
}

/* ---------- BANNIÈRE ---------- */

.banniere {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.banniere img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- ACCROCHE ---------- */

.accroche {
  max-width: 1320px;
  margin: 0 auto;
  padding: 90px 24px 78px;
  text-align: center;
}

.accroche h1 {
  font-size: clamp(1.35rem, 2.45vw, 2.0rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.accroche h1 .accent { color: var(--bleu); }

.sous-titre {
  margin-top: 22px;
  color: var(--gris);
  font-size: clamp(.96rem, 1.5vw, 1.22rem);
  line-height: 1.55;
  letter-spacing: 0.03em;
}

/* .sm : saut de ligne uniquement sur petit ecran */
.sm { display: none; }

@media (max-width: 1000px) {
  .sm { display: block; height: 0; }
}

/* ---------- BLOC TEXTE ---------- */

.bloc-texte {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 70px;
  text-align: center;
}

.bloc-texte h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 400;
  line-height: 1.45;
  margin-bottom: 34px;
}

.bloc-texte p { color: var(--gris); font-size: 1.05rem; }

.citation {
  margin-top: 40px;
  padding-top: 34px;
  border-top: 1px solid var(--gris-clair);
  color: var(--noir) !important;
  font-style: italic;
}

/* ---------- LES DEUX PORTES ---------- */

.portes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  max-width: var(--largeur);
  margin: 40px auto 90px;
  padding: 0 24px;
}

.porte { text-decoration: none; color: inherit; display: block; }

.porte img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--gris-clair);
  box-shadow: 0 4px 22px rgba(0,0,0,.07);
  transition: box-shadow .35s, transform .35s, border-color .35s;
}

.porte:hover img {
  border-color: var(--bleu);
  box-shadow: 0 10px 34px rgba(0,144,255,.20);
  transform: translateY(-4px);
}

.porte .legende {
  margin-top: 20px; text-align: center;
  color: var(--gris); font-size: .97rem; font-style: italic;
  transition: color .25s;
}

.porte:hover .legende { color: var(--bleu); }

/* ---------- UNIVERS ---------- */

.univers {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 66px;
  align-items: center;
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 70px 24px;
  border-top: 1px solid var(--gris-clair);
}

.univers-image img {
  width: 100%; height: auto; display: block;
  box-shadow: 0 4px 26px rgba(0,0,0,.09);
}

.univers-texte h2 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 400;
  margin-bottom: 26px;
  letter-spacing: .01em;
}

.univers-texte p {
  color: var(--gris);
  font-size: 1.02rem;
  margin-bottom: 20px;
}

.univers-texte p:first-of-type {
  color: var(--noir);
  font-style: italic;
}

/* ---------- DIPTYQUES ---------- */

.diptyques {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 20px 24px 90px;
}

.diptyques img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--gris-clair);
  transition: transform .35s, box-shadow .35s;
}

.diptyques img:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 26px rgba(0,0,0,.12);
}

/* ---------- MÉTHODE ---------- */

.methode {
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
  border-top: 1px solid var(--gris-clair);
}

.methode h2 {
  font-size: 1.7rem; font-weight: 400;
  letter-spacing: .06em; margin-bottom: 58px;
}

.etapes {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
  text-align: left;
}

.etapes li { padding-top: 22px; border-top: 2px solid var(--bleu); }

.etapes .num {
  display: block; color: var(--bleu);
  font-size: .74rem; letter-spacing: .22em; margin-bottom: 12px;
}

.etapes h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }

.etapes p { color: var(--gris); font-size: .94rem; line-height: 1.7; }

.phrase-forte {
  margin-top: 62px;
  font-size: 1.35rem;
  letter-spacing: .02em;
}

/* ---------- SIGNATURE ---------- */

.signature {
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 80px 24px 110px;
  text-align: center;
  border-top: 1px solid var(--gris-clair);
}

.signature p {
  font-size: clamp(1.2rem, 2.3vw, 1.6rem);
  line-height: 1.6; margin-bottom: 46px;
}

.bouton {
  display: inline-block;
  padding: 16px 46px;
  border: 1px solid var(--bleu);
  color: var(--bleu);
  text-decoration: none;
  text-transform: uppercase;
  font-size: .8rem; letter-spacing: .2em;
  transition: background .28s, color .28s;
}

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

/* ---------- PIED DE PAGE ---------- */

.site-footer {
  border-top: 1px solid var(--gris-clair);
  padding: 40px 24px;
  text-align: center;
  color: var(--gris);
  font-size: .86rem;
}

.site-footer nav { margin-top: 14px; }

.site-footer nav a {
  color: var(--gris); text-decoration: none;
  margin: 0 14px; transition: color .25s;
}

.site-footer nav a:hover { color: var(--bleu); }

/* ---------- MOBILE ---------- */

@media (max-width: 900px) {
  .site-header { flex-direction: column; gap: 20px; padding: 22px 20px; }
  .menu { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 0; }
  .menu a { margin: 0 12px; font-size: .76rem; letter-spacing: .14em; }

  .accroche { padding: 60px 20px 50px; }

  .portes { grid-template-columns: 1fr; gap: 46px; margin-bottom: 60px; }

  .univers { grid-template-columns: 1fr; gap: 36px; padding: 55px 20px; }
  .univers-texte { text-align: center; }

  .diptyques { grid-template-columns: 1fr 1fr; gap: 14px; padding-bottom: 60px; }
  .univers-image { max-width: 460px; margin: 0 auto; }

  .etapes { grid-template-columns: 1fr; gap: 30px; }
  .methode { padding: 60px 20px; }
  .signature { padding: 60px 20px 80px; }
}