/* =========================================================
   CASINOSIP — « Nuit Écarlate » (Dark Luxury Noir)
   Restaurant gastronomique de casino de prestige
   HTML5 + CSS pur + JS vanille — Mobile first
   ========================================================= */

/* ----------------- Design tokens ----------------- */
:root {
  /* Palette source */
  --crimson-violet: #5f0f40;
  --deep-crimson:   #9a031e;
  --princeton-orange: #fb8b24;
  --autumn-leaf:    #e36414;
  --dark-teal:      #0f4c5c;

  /* Semantic colors */
  --color-background:   #0a0406;
  --color-surface:      #150a10;
  --color-surface-soft: #1f0f18;
  --color-text:         #f4ece9;
  --color-text-muted:   #b39ba6;
  --color-primary:      #fb8b24;
  --color-primary-soft: #e36414;
  --color-accent:       #9a031e;
  --color-line:         rgba(251, 139, 36, 0.22);

  /* Typography */
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", "Segoe UI", system-ui, sans-serif;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* Layout */
  --wrap: 1200px;
  --gutter: clamp(1.1rem, 4vw, 2.75rem);
  --header-h: 74px;
}

/* ----------------- Reset ----------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ----------------- Typography ----------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.4px;
}
h1 { font-size: clamp(2.5rem, 7vw, 5rem); }
h2 { font-size: clamp(1.9rem, 4.5vw, 3.1rem); }
h3 { font-size: clamp(1.35rem, 2.6vw, 1.8rem); }
p  { color: var(--color-text-muted); }
p strong, p b { color: var(--color-text); font-weight: 600; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}
.lead { font-size: 1.18rem; color: var(--color-text); line-height: 1.6; }

/* ----------------- Layout helpers ----------------- */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section--soft { background: var(--color-surface); }
.section--surface { background: var(--color-surface-soft); }
.narrow { max-width: 760px; }
.center { text-align: center; margin-inline: auto; }

.divider {
  width: 64px; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border: none; margin: 1.4rem 0;
}
.center .divider { margin-inline: auto; }

/* ----------------- Buttons ----------------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-sans);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.95rem 1.9rem;
  border-radius: var(--r-pill);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn--primary {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-soft));
  color: #1a0a02;
  box-shadow: 0 8px 26px -10px rgba(251,139,36,.7);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(251,139,36,.85); }
.btn--ghost {
  border: 1px solid var(--color-line);
  color: var(--color-text);
}
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--block { width: 100%; justify-content: center; }

/* ----------------- Header ----------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(10,4,6,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .wrap {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-family: var(--font-serif);
  font-size: 1.6rem; font-weight: 700;
  letter-spacing: 1px;
  display: flex; align-items: baseline; gap: .35rem;
}
.brand span { color: var(--color-primary); }
.brand small {
  font-family: var(--font-sans);
  font-size: .58rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--color-text-muted); font-weight: 600;
}

.nav-desktop { display: none; }
.nav-desktop ul { display: flex; align-items: center; gap: 2rem; }
.nav-desktop a {
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 500; color: var(--color-text-muted);
  transition: color .2s;
}
.nav-desktop a:hover, .nav-desktop a[aria-current="page"] { color: var(--color-primary); }

.header-cta { display: none; }

/* Burger */
.burger {
  width: 44px; height: 44px;
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  align-items: center;
}
.burger span {
  width: 24px; height: 2px; background: var(--color-text);
  transition: transform .3s, opacity .3s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu — display:none par défaut */
.nav-mobile {
  display: none;
  position: fixed; inset: var(--header-h) 0 0 0;
  z-index: 99;
  background: rgba(10,4,6,.98);
  backdrop-filter: blur(8px);
  padding: 2.5rem var(--gutter);
  flex-direction: column; gap: 1.4rem;
}
.nav-mobile.is-open { display: flex; }
.nav-mobile a {
  font-family: var(--font-serif);
  font-size: 1.9rem; color: var(--color-text);
  border-bottom: 1px solid var(--color-line); padding-bottom: 1rem;
}
.nav-mobile a:hover { color: var(--color-primary); }
.nav-mobile .btn { margin-top: 1rem; }

/* ----------------- Hero ----------------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex; align-items: center;
  background-color: var(--color-surface);
  background-image:
    linear-gradient(180deg, rgba(10,4,6,.55) 0%, rgba(10,4,6,.78) 60%, rgba(10,4,6,.95) 100%),
    image-set(url("../images/salle-restaurant-casino-ambiance-nocturne.jpg") 1x);
  background-image:
    linear-gradient(180deg, rgba(10,4,6,.55) 0%, rgba(10,4,6,.78) 60%, rgba(10,4,6,.95) 100%),
    url("../images/salle-restaurant-casino-ambiance-nocturne.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
}
.hero__inner { max-width: 820px; padding-block: 4rem; }
.hero h1 { margin-bottom: 1.3rem; }
.hero .lead { max-width: 560px; margin-bottom: 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Page hero (secondary) */
.page-hero {
  position: relative;
  padding-block: clamp(4rem, 12vw, 8rem);
  background-color: var(--color-surface);
  background-image:
    linear-gradient(180deg, rgba(10,4,6,.7), rgba(10,4,6,.92)),
    url("../images/salle-restaurant-casino-ambiance-nocturne.jpg");
  background-size: cover; background-position: center;
  text-align: center;
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { max-width: 640px; margin-inline: auto; }

/* Background section variants (images via CSS) */
.bg-plat  { background-image: linear-gradient(rgba(10,4,6,.6), rgba(10,4,6,.8)), url("../images/plat-signature-gastronomique-casino.jpg"); }
.bg-creation { background-image: linear-gradient(rgba(10,4,6,.6), rgba(10,4,6,.8)), url("../images/creation-auteur-sur-mesure-degustation.jpg"); }
.bg-cave  { background-image: linear-gradient(rgba(10,4,6,.55), rgba(10,4,6,.85)), url("../images/cave-a-vins-grands-crus-champagnes.jpg"); }
.bg-chef  { background-image: linear-gradient(rgba(10,4,6,.5), rgba(10,4,6,.82)), url("../images/chef-executif-portrait-parcours-etoile.jpg"); }
.bg-salle { background-image: linear-gradient(rgba(10,4,6,.55), rgba(10,4,6,.85)), url("../images/salle-restaurant-casino-ambiance-nocturne.jpg"); }
.bg-fixed { background-size: cover; background-position: center; }

/* ----------------- Breadcrumbs ----------------- */
.breadcrumb { padding-block: 1.1rem; border-bottom: 1px solid var(--color-line); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .78rem; letter-spacing: .06em; }
.breadcrumb li { color: var(--color-text-muted); text-transform: uppercase; }
.breadcrumb li a:hover { color: var(--color-primary); }
.breadcrumb li + li::before { content: "›"; margin-right: .5rem; color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--color-text); }

/* ----------------- Grid / cards ----------------- */
.grid { display: grid; gap: 1.6rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.split { display: grid; gap: clamp(2rem,5vw,4rem); align-items: center; grid-template-columns: 1fr; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--r-lg);
  padding: 2rem 1.8rem;
  transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--color-primary); }
.card h3 { margin-bottom: .7rem; }
.card .eyebrow { margin-bottom: .6rem; }

/* Media block (image via CSS bg) */
.media {
  min-height: 340px;
  border-radius: var(--r-lg);
  background-size: cover; background-position: center;
  border: 1px solid var(--color-line);
}
.media--tall { min-height: 480px; }

/* Feature list */
.feature-list { display: grid; gap: 1.3rem; margin-top: 1.8rem; }
.feature-list li { padding-left: 1.6rem; position: relative; color: var(--color-text-muted); }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: .55rem;
  width: 8px; height: 8px; border-radius: var(--r-pill);
  background: var(--color-primary);
}
.feature-list strong { display: block; color: var(--color-text); font-family: var(--font-serif); font-size: 1.15rem; margin-bottom: .1rem; }

/* ----------------- Menu list (menus page) ----------------- */
.menu-block { margin-bottom: 3rem; }
.menu-item {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 1.1rem 0; border-bottom: 1px dashed var(--color-line);
}
.menu-item__name { font-family: var(--font-serif); font-size: 1.35rem; color: var(--color-text); }
.menu-item__desc { display: block; font-family: var(--font-sans); font-size: .9rem; color: var(--color-text-muted); margin-top: .25rem; max-width: 46ch; }
.menu-item__price { font-family: var(--font-serif); font-size: 1.3rem; color: var(--color-primary); white-space: nowrap; }

/* ----------------- Gallery ----------------- */
.gallery { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.gallery__item {
  min-height: 260px; border-radius: var(--r-md);
  background-size: cover; background-position: center;
  border: 1px solid var(--color-line);
  position: relative; overflow: hidden;
}
.gallery__item span {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.5rem 1rem .9rem;
  font-size: .82rem; letter-spacing: .1em; text-transform: uppercase;
  background: linear-gradient(transparent, rgba(10,4,6,.9));
  color: var(--color-text);
}

/* ----------------- Stats / quote ----------------- */
.stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; text-align: center; }
.stat b { display: block; font-family: var(--font-serif); font-size: 2.6rem; color: var(--color-primary); line-height: 1; }
.stat span { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-text-muted); }

.quote { border-left: 3px solid var(--color-primary); padding-left: 1.6rem; }
.quote p { font-family: var(--font-serif); font-size: clamp(1.4rem,3vw,2rem); color: var(--color-text); font-style: italic; line-height: 1.4; }
.quote cite { display: block; margin-top: 1rem; font-style: normal; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-primary); }

/* ----------------- CTA band ----------------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { max-width: 560px; margin: 0 auto 2rem; }

/* ----------------- Forms ----------------- */
.form { display: grid; gap: 1.3rem; }
.form-row { display: grid; gap: 1.3rem; grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: .5rem; }
.field label { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); font-weight: 600; }
.field input, .field select, .field textarea {
  font-family: var(--font-sans); font-size: 1rem;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-line); border-radius: var(--r-md);
  padding: .85rem 1rem; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(251,139,36,.15);
}
.field textarea { min-height: 130px; resize: vertical; }
.field--consent { flex-direction: row; align-items: flex-start; gap: .7rem; }
.field--consent input { width: auto; margin-top: .35rem; }
.field--consent label { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--color-text-muted); line-height: 1.5; }
.field--consent a { color: var(--color-primary); text-decoration: underline; }

/* ----------------- Info blocks ----------------- */
.info-grid { display: grid; gap: 1.6rem; grid-template-columns: 1fr; }
.info-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--r-lg); padding: 1.8rem; }
.info-card h3 { color: var(--color-primary); font-size: 1.3rem; margin-bottom: .6rem; }
.info-card p, .info-card a { color: var(--color-text-muted); }
.info-card a:hover { color: var(--color-primary); }

/* Legal / prose */
.prose h2 { margin: 2.4rem 0 .9rem; color: var(--color-primary); }
.prose h3 { margin: 1.8rem 0 .6rem; }
.prose p, .prose li { color: var(--color-text-muted); margin-bottom: 1rem; }
.prose ul { padding-left: 1.3rem; list-style: disc; }
.prose li { margin-bottom: .5rem; }
.prose a { color: var(--color-primary); text-decoration: underline; }

/* ----------------- Footer ----------------- */
.site-footer { background: #060203; border-top: 1px solid var(--color-line); padding-block: clamp(3rem,6vw,4.5rem) 2rem; }
.footer-grid { display: grid; gap: 2.4rem; grid-template-columns: 1fr; }
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand p { font-size: .92rem; max-width: 34ch; }
.footer-col h4 { font-family: var(--font-sans); font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 1.1rem; }
.footer-col li { margin-bottom: .7rem; }
.footer-col a { font-size: .92rem; color: var(--color-text-muted); transition: color .2s; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--color-line); display: flex; flex-direction: column; gap: 1rem; }
.footer-bottom p { font-size: .8rem; }
.age-notice {
  display: inline-flex; align-items: center; gap: .6rem;
  border: 1px solid var(--color-accent); color: var(--color-text);
  border-radius: var(--r-pill); padding: .4rem 1rem; font-size: .78rem; font-weight: 600;
}
.age-notice b { color: var(--color-primary); }

/* ----------------- Age gate ----------------- */
.age-gate {
  position: fixed; inset: 0; z-index: 1000;
  display: none; align-items: center; justify-content: center;
  background: rgba(6,2,3,.96); backdrop-filter: blur(6px);
  padding: var(--gutter);
}
.age-gate.is-open { display: flex; }
.age-gate__card {
  max-width: 480px; text-align: center;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: var(--r-lg); padding: clamp(2rem,5vw,3rem);
}
.age-gate__card .brand { justify-content: center; margin-bottom: 1.5rem; }
.age-gate__card h2 { font-size: 1.8rem; margin-bottom: 1rem; }
.age-gate__card p { margin-bottom: 1.8rem; }
.age-gate__actions { display: grid; gap: .9rem; grid-template-columns: 1fr; }
.age-gate__deny { font-size: .82rem; }

/* ----------------- Cookie banner ----------------- */
.cookie-banner {
  position: fixed; left: var(--gutter); right: var(--gutter); bottom: var(--gutter);
  z-index: 900; display: none;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: var(--r-lg); padding: 1.4rem 1.6rem;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.8);
}
.cookie-banner.is-open { display: block; }
.cookie-banner p { font-size: .88rem; margin-bottom: 1rem; }
.cookie-banner p a { color: var(--color-primary); text-decoration: underline; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ----------------- Responsive ----------------- */
@media (min-width: 620px) {
  .grid-2 { grid-template-columns: repeat(2,1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2,1fr); }
  .age-gate__actions { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .nav-desktop { display: block; }
  .header-cta { display: inline-flex; }
  .burger { display: none; }
  .grid-3 { grid-template-columns: repeat(3,1fr); }
  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .media { order: 2; }
  .stats { grid-template-columns: repeat(4,1fr); }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
  .info-grid { grid-template-columns: repeat(3,1fr); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
  .cookie-banner { max-width: 560px; left: auto; }
  .cookie-banner__actions { justify-content: flex-end; }
}
@media (min-width: 1100px) {
  .gallery { grid-template-columns: repeat(3,1fr); }
}