:root {
  --noir: #0b0b0c;
  --noir-2: #141416;
  --noir-3: #1c1c1f;
  --or: #c9a45c;
  --or-clair: #e4c98f;
  --texte: #ece8e1;
  --texte-doux: #a9a39a;
  --ligne: rgba(201, 164, 92, 0.22);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--noir);
  color: var(--texte);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 6vw;
  transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 11, 12, 0.92);
  backdrop-filter: blur(10px);
  padding: 14px 6vw;
  border-color: var(--ligne);
}
.logo {
  font-family: var(--serif); font-size: 1.7rem; letter-spacing: .08em;
  display: flex; align-items: baseline; gap: .5rem;
}
.logo span { color: var(--or); font-size: 1.1rem; }
.nav ul { list-style: none; display: flex; gap: 2.4rem; }
.nav ul a {
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--texte-doux); transition: color .3s; position: relative;
}
.nav ul a:hover, .nav ul a.actif { color: var(--or); }
.nav ul a.actif::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--or);
}
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.burger span { display: block; width: 24px; height: 1px; background: var(--or); margin: 6px 0; transition: .3s; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; padding: 15px 36px;
  font-size: .76rem; letter-spacing: .24em; text-transform: uppercase;
  border: 1px solid var(--or); color: var(--or);
  transition: background .35s, color .35s; cursor: pointer;
  background: transparent; font-family: var(--sans);
}
.btn:hover, .btn.plein { background: var(--or); color: var(--noir); }
.btn.plein:hover { background: var(--or-clair); }

/* ---------- Bannière ---------- */
.hero {
  min-height: 100vh; position: relative; overflow: hidden;
  display: grid; place-items: center; text-align: center;
  padding: 120px 6vw 80px;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(201,164,92,.16), transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(201,164,92,.08), transparent 50%),
    var(--noir);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='40' viewBox='0 0 80 40'%3E%3Cpath d='M0 40a40 40 0 0 1 80 0M10 40a30 30 0 0 1 60 0M20 40a20 20 0 0 1 40 0M30 40a10 10 0 0 1 20 0' fill='none' stroke='%23c9a45c' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 80px 40px;
  mask-image: linear-gradient(to bottom, transparent, #000 40%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%, #000 70%, transparent);
}
.kanji {
  position: absolute; right: 4vw; top: 50%; transform: translateY(-50%);
  font-family: "Noto Serif JP", serif; font-size: clamp(14rem, 34vw, 30rem);
  color: transparent; -webkit-text-stroke: 1px rgba(201,164,92,.18);
  line-height: 1; pointer-events: none; user-select: none;
}
.hero-contenu { position: relative; max-width: 760px; }
.sur-titre {
  font-size: .74rem; letter-spacing: .4em; text-transform: uppercase; color: var(--or);
  display: inline-flex; align-items: center; gap: 1rem;
}
.sur-titre::before, .sur-titre::after { content: ""; width: 40px; height: 1px; background: var(--or); }
.hero h1 {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(3rem, 8vw, 6.4rem); line-height: 1.02;
  margin: 1.6rem 0 1.4rem;
}
.hero h1 em { color: var(--or); font-style: italic; }
.hero p { color: var(--texte-doux); max-width: 520px; margin: 0 auto 2.6rem; font-size: 1.05rem; }
.hero .actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.defiler {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  width: 1px; height: 56px; background: linear-gradient(var(--or), transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

/* ---------- Sections ---------- */
section { padding: 120px 6vw; }
.titre-section { text-align: center; margin-bottom: 70px; }
.titre-section h2 {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.1; margin-top: 1rem;
}
.titre-section p { color: var(--texte-doux); max-width: 560px; margin: 1.2rem auto 0; }

.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center; max-width: 1200px; margin: 0 auto; }
.intro-visuel {
  aspect-ratio: 4/5; border: 1px solid var(--ligne); position: relative;
  background:
    radial-gradient(circle at 50% 45%, rgba(201,164,92,.25), transparent 45%),
    linear-gradient(160deg, var(--noir-3), var(--noir));
  display: grid; place-items: center;
}
.intro-visuel::after {
  content: ""; position: absolute; inset: 18px; border: 1px solid var(--ligne);
}
.cercle {
  width: 58%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--or); display: grid; place-items: center;
  font-family: "Noto Serif JP", serif; font-size: clamp(3.5rem, 8vw, 6rem); color: var(--or);
}
.intro h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1.15; margin: 1rem 0 1.5rem; }
.intro p { color: var(--texte-doux); margin-bottom: 1.2rem; }
.signature { font-family: var(--serif); font-style: italic; color: var(--or); font-size: 1.4rem; margin-top: 2rem; }

.atouts { background: var(--noir-2); border-top: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); }
.grille-atouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--ligne); max-width: 1200px; margin: 0 auto; }
.atout { background: var(--noir-2); padding: 56px 40px; text-align: center; }
.atout .num { font-family: var(--serif); color: var(--or); font-size: 2.6rem; font-style: italic; }
.atout h3 { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; margin: .6rem 0 .8rem; }
.atout p { color: var(--texte-doux); font-size: .95rem; }

.signatures { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.plat-carte { border: 1px solid var(--ligne); padding: 40px 32px; transition: border-color .4s, transform .4s; }
.plat-carte:hover { border-color: var(--or); transform: translateY(-4px); }
.plat-carte .jp { font-family: "Noto Serif JP", serif; color: var(--or); font-size: 1rem; letter-spacing: .2em; }
.plat-carte h3 { font-family: var(--serif); font-weight: 400; font-size: 1.7rem; margin: .5rem 0; }
.plat-carte p { color: var(--texte-doux); font-size: .95rem; }
.plat-carte .prix { margin-top: 1.4rem; color: var(--or); letter-spacing: .1em; }
.centre { text-align: center; margin-top: 60px; }

.bandeau {
  text-align: center; padding: 110px 6vw;
  background: radial-gradient(ellipse at center, rgba(201,164,92,.14), transparent 60%), var(--noir-2);
  border-top: 1px solid var(--ligne);
}
.bandeau h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 1rem; }
.bandeau p { color: var(--texte-doux); margin-bottom: 2.4rem; }

/* ---------- En-tête de page ---------- */
.entete {
  padding: 190px 6vw 90px; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(201,164,92,.15), transparent 60%), var(--noir);
  border-bottom: 1px solid var(--ligne);
}
.entete h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(3rem, 7vw, 5rem); line-height: 1.05; margin-top: 1rem; }
.entete p { color: var(--texte-doux); max-width: 540px; margin: 1.2rem auto 0; }

/* ---------- Menu ---------- */
.onglets {
  display: flex; justify-content: center; flex-wrap: wrap; gap: .4rem;
  position: sticky; top: 64px; z-index: 20; background: rgba(11,11,12,.94);
  backdrop-filter: blur(10px); padding: 18px 6vw; border-bottom: 1px solid var(--ligne);
}
.onglets a {
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  padding: 10px 18px; color: var(--texte-doux); border: 1px solid transparent; transition: .3s;
}
.onglets a:hover { color: var(--or); border-color: var(--ligne); }
.categorie { max-width: 980px; margin: 0 auto; padding: 90px 6vw 20px; scroll-margin-top: 130px; }
.categorie-titre { display: flex; align-items: baseline; gap: 1.2rem; margin-bottom: 2.4rem; border-bottom: 1px solid var(--ligne); padding-bottom: 1rem; }
.categorie-titre h2 { font-family: var(--serif); font-weight: 300; font-size: 2.6rem; }
.categorie-titre .jp { font-family: "Noto Serif JP", serif; color: var(--or); letter-spacing: .2em; }
.categorie-titre small { margin-left: auto; color: var(--texte-doux); font-size: .8rem; letter-spacing: .1em; }
.ligne-plat { display: grid; grid-template-columns: 1fr auto; gap: .3rem 2rem; padding: 22px 0; border-bottom: 1px dashed rgba(201,164,92,.14); }
.ligne-plat h3 { font-family: var(--serif); font-weight: 400; font-size: 1.45rem; display: flex; align-items: center; gap: .7rem; }
.ligne-plat .prix { font-family: var(--serif); color: var(--or); font-size: 1.4rem; }
.ligne-plat p { grid-column: 1 / -1; color: var(--texte-doux); font-size: .92rem; }
.badge { font-family: var(--sans); font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--noir); background: var(--or); padding: 3px 8px; }
.badge.vert { background: transparent; color: var(--or); border: 1px solid var(--or); }
.note-menu { max-width: 980px; margin: 60px auto 0; padding: 0 6vw 100px; color: var(--texte-doux); font-size: .85rem; text-align: center; }

/* ---------- Contact ---------- */
.contact-grille { max-width: 1150px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.3fr; gap: 6vw; }
.infos h2 { font-family: var(--serif); font-weight: 300; font-size: 2.4rem; margin-bottom: 2rem; }
.info-bloc { margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--ligne); }
.info-bloc h3 { font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--or); font-weight: 400; margin-bottom: .6rem; }
.info-bloc p { color: var(--texte-doux); }
.horaires { display: grid; grid-template-columns: auto 1fr; gap: .2rem 1.6rem; color: var(--texte-doux); }
form { border: 1px solid var(--ligne); padding: 48px; background: var(--noir-2); }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.champ { display: flex; flex-direction: column; gap: .5rem; }
.champ.large { grid-column: 1 / -1; }
label { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--texte-doux); }
input, select, textarea {
  background: transparent; border: 0; border-bottom: 1px solid rgba(201,164,92,.35);
  color: var(--texte); font: inherit; font-size: 1rem; padding: 10px 0; outline: none; transition: border-color .3s;
  border-radius: 0;
}
select option { background: var(--noir-2); }
input:focus, select:focus, textarea:focus { border-color: var(--or); }
textarea { resize: vertical; min-height: 120px; }
.champ .erreur { color: #e58b7a; font-size: .78rem; min-height: 1em; }
form .btn { margin-top: 32px; width: 100%; }
.confirmation { display: none; text-align: center; padding: 30px 0; }
.confirmation .cercle { width: 90px; font-size: 2rem; margin: 0 auto 1.5rem; font-family: var(--serif); }
.confirmation h3 { font-family: var(--serif); font-weight: 300; font-size: 2rem; margin-bottom: .6rem; }
.confirmation p { color: var(--texte-doux); }
.mention-demo { margin-top: 18px; font-size: .75rem; color: var(--texte-doux); text-align: center; opacity: .7; }

/* ---------- Pied de page ---------- */
footer { border-top: 1px solid var(--ligne); padding: 70px 6vw 40px; background: var(--noir); }
.pied { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.pied h4 { font-size: .7rem; letter-spacing: .26em; text-transform: uppercase; color: var(--or); font-weight: 400; margin-bottom: 1rem; }
.pied p, .pied a { color: var(--texte-doux); font-size: .92rem; }
.pied a:hover { color: var(--or); }
.copyright { max-width: 1200px; margin: 50px auto 0; padding-top: 24px; border-top: 1px solid var(--ligne); font-size: .78rem; color: var(--texte-doux); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

/* ---------- Animations ---------- */
.apparait { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.apparait.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .burger { display: block; }
  .nav ul {
    position: fixed; inset: 0 0 0 auto; width: 75vw; max-width: 320px;
    flex-direction: column; gap: 2rem; padding: 110px 40px;
    background: var(--noir-2); border-left: 1px solid var(--ligne);
    transform: translateX(100%); transition: transform .4s ease;
  }
  .nav.ouvert ul { transform: none; }
  .nav.ouvert .burger span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav.ouvert .burger span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .burger { position: relative; z-index: 60; }
  .intro, .contact-grille { grid-template-columns: 1fr; }
  .grille-atouts, .signatures { grid-template-columns: 1fr; }
  .pied { grid-template-columns: 1fr; }
  .kanji { opacity: .5; right: -10vw; }
  section { padding: 90px 6vw; }
  form { padding: 32px 22px; }
  .champs { grid-template-columns: 1fr; }
  .onglets { top: 56px; padding: 12px 4vw; }
  .onglets a { padding: 8px 10px; font-size: .64rem; }
}