:root {
  --bleu: #1B3A97;
  --bleu-nuit: #122767;
  --bleu-clair: #7E97DE;
  --bleu-voile: #E9EDF8;
  --encre: #0E1117;
  --papier: #FBFAF7;
  --blanc: #FFFFFF;
  --sourdine: #5B6173;
  --trait: #E3E1DA;
  --laiton: #A98243;
  --max: 1200px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--papier);
  color: var(--encre);
  font-family: "Karla", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: "Instrument Serif", Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.04;
  text-wrap: balance;
  margin: 0;
}
h1 em, h2 em { font-style: italic; }

p { margin: 0 0 1.15rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--bleu); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--bleu); outline-offset: 3px; border-radius: 2px;
}

.mono { font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; font-variant-numeric: tabular-nums; }

.env { max-width: var(--max); margin: 0 auto; padding-inline: 26px; }

.saut { position: absolute; left: -9999px; top: 0; background: var(--bleu); color: #fff; padding: .7rem 1rem; z-index: 100; }
.saut:focus { left: 0; }

/* ---------- en-tête ---------- */
.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,250,247,.9);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--trait);
}
.entete-in { display: flex; align-items: center; gap: 1.5rem; min-height: 68px; }
.marque {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.5rem; color: var(--encre); text-decoration: none;
  letter-spacing: -.015em; white-space: nowrap;
}
.nav-principale { display: flex; gap: 1.6rem; margin-left: auto; flex-wrap: wrap; }
.nav-principale a {
  font-size: .8rem; font-weight: 500; color: var(--sourdine); text-decoration: none;
  letter-spacing: .04em; text-transform: uppercase;
}
.nav-principale a:hover { color: var(--encre); }
.nav-principale a.lien-pro { color: var(--bleu); font-weight: 700; }
.tel-entete { font-size: .82rem; color: var(--encre); text-decoration: none; white-space: nowrap; letter-spacing: .02em; }
@media (max-width: 800px) {
  .entete-in { flex-wrap: wrap; padding-block: .7rem; gap: .5rem 1rem; }
  .nav-principale { margin-left: 0; order: 3; width: 100%; gap: 1.1rem; }
  .tel-entete { margin-left: auto; }
}

/* ---------- héros ---------- */
.heros { background: var(--bleu); color: #fff; overflow: hidden; position: relative; }
.heros::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 85% 8%, rgba(255,255,255,.10), transparent 58%);
}
.heros-in { padding-block: clamp(4rem, 11vw, 8.5rem) clamp(3rem, 8vw, 5.5rem); position: relative; z-index: 1; }
.sur-titre {
  font-family: "IBM Plex Mono", monospace;
  font-size: .7rem; letter-spacing: .24em; text-transform: uppercase;
  color: rgba(255,255,255,.66); margin-bottom: 1.8rem;
}
.sur-titre::before {
  content: ""; display: inline-block; width: 28px; height: 1px;
  background: var(--bleu-clair); vertical-align: middle; margin-right: .85rem;
}
.heros h1 { font-size: clamp(3.1rem, 12vw, 7.2rem); color: #fff; margin-bottom: 1.8rem; letter-spacing: -.025em; }
.heros h1 em { color: var(--bleu-clair); }
.heros-texte {
  max-width: 44ch; font-size: clamp(1.04rem, 2.3vw, 1.22rem);
  color: rgba(255,255,255,.86); margin-bottom: 2.4rem; line-height: 1.65;
}
.heros-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.btn {
  display: inline-block; padding: .9rem 1.7rem;
  font-size: .82rem; font-weight: 700; text-decoration: none;
  letter-spacing: .07em; text-transform: uppercase;
  border-radius: 1px; border: 1px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-clair { background: #fff; color: var(--bleu); }
.btn-clair:hover { background: var(--bleu-voile); }
.btn-fant { border-color: rgba(255,255,255,.42); color: #fff; }
.btn-fant:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.7); }
.btn-plein { background: var(--bleu); color: #fff; }
.btn-plein:hover { background: var(--bleu-nuit); }

.heros-bande {
  display: flex; gap: 1.35rem; align-items: center;
  padding-block: 1rem;
  border-top: 1px solid rgba(255,255,255,.18);
  font-family: "IBM Plex Mono", monospace;
  font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.52);
  white-space: nowrap; overflow: hidden; position: relative; z-index: 1;
}
.heros-bande span { flex: 0 0 auto; }

/* ---------- sections ---------- */
.bloc-section { padding-block: clamp(3.75rem, 9vw, 7rem); }
.fond-bleu { background: var(--bleu); color: #fff; }
.fond-pale { background: var(--bleu-voile); }

.oeil {
  font-family: "IBM Plex Mono", monospace;
  font-size: .68rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--bleu); margin-bottom: 1.1rem;
}
.oeil::before {
  content: ""; display: inline-block; width: 22px; height: 1px;
  background: currentColor; vertical-align: middle; margin-right: .75rem; opacity: .55;
}
.oeil-clair { color: var(--bleu-clair); }
h2 { font-size: clamp(2.1rem, 6vw, 3.6rem); margin-bottom: 1.7rem; }
.h2-clair { color: #fff; }
h3 { font-size: 1.42rem; margin-bottom: .6rem; }

.duo { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(1.75rem, 6vw, 5rem); align-items: center; }
.duo-inverse .duo-texte { order: 2; }
.duo-inverse .photo { order: 1; }
@media (max-width: 860px) {
  .duo { grid-template-columns: 1fr; }
  .duo-inverse .duo-texte, .duo-inverse .photo { order: unset; }
}
.duo-texte p { color: var(--sourdine); max-width: 54ch; }
.duo-texte h2 { color: var(--encre); }
.fond-bleu .duo-texte h2 { color: #fff; }
.signature {
  font-family: "Instrument Serif", Georgia, serif; font-style: italic;
  font-size: 1.28rem; color: var(--encre) !important; margin-top: 1.8rem;
  padding-top: 1.4rem; border-top: 1px solid var(--trait); display: inline-block;
}

/* ---------- emplacements photo ---------- */
.photo {
  margin: 0; position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 11px),
    var(--bleu);
  display: grid; place-items: center; padding: 2rem;
  max-width: 100%;
  border-radius: 1px;
}
.photo::before {
  content: ""; position: absolute; inset: 14px;
  border: 1px solid rgba(255,255,255,.16); pointer-events: none;
}
.photo-portrait { aspect-ratio: 4 / 5; }
.photo-carree { aspect-ratio: 1 / 1; margin-bottom: 1.35rem; }
.photo-paysage { aspect-ratio: 3 / 2; }
.photo-note {
  font-size: .66rem; letter-spacing: .18em; text-transform: uppercase;
  color: rgba(255,255,255,.62); text-align: center; line-height: 1.9; position: relative;
}
.fond-bleu .photo { background: var(--bleu-nuit); }
.fond-pale .photo { background: var(--bleu); }

/* ---------- cartes savoir-faire ---------- */
.cartes { display: grid; grid-template-columns: repeat(auto-fit, minmax(244px, 1fr)); gap: 1px; background: rgba(255,255,255,.16); border-block: 1px solid rgba(255,255,255,.16); }
.carte { background: var(--bleu); padding: 2rem 1.75rem 2.25rem; }
.carte-num { font-size: .68rem; letter-spacing: .22em; color: var(--bleu-clair); margin-bottom: 1.5rem; }
.carte h3 { color: #fff; font-size: 1.5rem; margin-bottom: .8rem; }
.carte p { color: rgba(255,255,255,.76); font-size: .93rem; margin: 0; line-height: 1.68; }

/* ---------- galerie ---------- */
.galerie { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: 2.25rem 2rem; }
.gal-item h3 { color: var(--encre); font-size: 1.3rem; }
.gal-item p { color: var(--sourdine); font-size: .92rem; }

/* ---------- infos ---------- */
.infos { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 2.75rem; }
.info-titre { font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--bleu); font-weight: 500; margin-bottom: 1.1rem; padding-bottom: .7rem; border-bottom: 1px solid var(--trait); }
.horaires { border-collapse: collapse; width: 100%; max-width: 320px; font-size: .94rem; }
.horaires th { text-align: left; font-weight: 400; color: var(--sourdine); padding: .42rem 0; }
.horaires td { text-align: right; font-family: "IBM Plex Mono", monospace; font-size: .82rem; padding: .42rem 0; }
.info-gros { font-size: 1.08rem; line-height: 1.6; }
.info-gros a { color: var(--encre); }
.info-col p { color: var(--sourdine); }
.lien-souligne { font-weight: 700; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.lien-souligne:hover { color: var(--bleu-nuit); }

/* ---------- pied ---------- */
.pied { background: var(--encre); color: #fff; padding-block: 3.25rem 3.75rem; }
.pied-in { display: flex; flex-wrap: wrap; gap: 2rem 3rem; justify-content: space-between; align-items: flex-start; }
.pied-marque { font-family: "Instrument Serif", Georgia, serif; font-size: 1.7rem; margin-bottom: .7rem; }
.pied-petit { font-size: .76rem; color: rgba(255,255,255,.55); line-height: 1.9; letter-spacing: .03em; }
.pied-nav { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; }
.pied-nav a { color: rgba(255,255,255,.78); font-size: .78rem; text-decoration: none; letter-spacing: .06em; text-transform: uppercase; }
.pied-nav a:hover { color: #fff; }