/* ============================================================
   Le Château de Buchy — Feuille de style
   Palette inspirée du château : brun chaud, crème, or
   ============================================================ */

:root {
  --brown-900: #2b1a10;
  --brown-800: #3a2317;
  --brown-700: #52280b;
  --brown-600: #693110;
  --gold:      #c28a51;
  --gold-soft: #d8b48a;
  --cream:     #faf6f0;
  --cream-2:   #f2e9dd;
  --ink:       #3a2a20;
  --muted:     #7a6a5c;
  --white:     #ffffff;

  --maxw: 1180px;
  --radius: 4px;
  --shadow: 0 18px 50px rgba(43, 26, 16, .14);
  --shadow-sm: 0 6px 20px rgba(43, 26, 16, .10);

  --ff-serif: "Cormorant Garamond", Georgia, serif;
  --ff-sans: "Jost", -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--ff-sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 { font-family: var(--ff-serif); font-weight: 500; line-height: 1.15; letter-spacing: .01em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--brown-700); }
h3 { font-size: 1.5rem; color: var(--brown-700); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); }
.container.narrow { max-width: 760px; }
.container.center { text-align: center; }

.eyebrow {
  font-size: .8rem; letter-spacing: .28em; text-transform: uppercase;
  font-weight: 500; color: var(--gold); margin-bottom: 1rem;
}
.eyebrow.light { color: var(--gold-soft); }

/* ===== Boutons ===== */
.btn {
  display: inline-block; font-family: var(--ff-sans); font-weight: 400;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  padding: .95rem 2rem; border-radius: var(--radius);
  transition: all .3s ease; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--gold); color: var(--white); }
.btn-primary:hover { background: var(--brown-700); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-ghost { background: rgba(255,255,255,.08); color: var(--white); border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: var(--white); color: var(--brown-700); }
.btn-outline { background: transparent; color: var(--brown-700); border-color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--white); }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s ease, box-shadow .4s ease, padding .4s ease;
  padding: .5rem 0;
}
.site-header.solid,
.site-header.scrolled { background: rgba(250, 246, 240, .96); box-shadow: 0 2px 20px rgba(43,26,16,.08); backdrop-filter: blur(8px); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; gap: .75rem; }
.brand-mark {
  width: 42px; height: 42px; flex: 0 0 42px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--ff-serif);
  font-size: 1.4rem; font-weight: 600; color: var(--white);
  background: var(--gold); border: 1px solid rgba(255,255,255,.4);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--ff-serif); font-size: 1.25rem; font-weight: 600; color: var(--white); transition: color .4s; }
.brand-sub { font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-soft); transition: color .4s; }
.solid .brand-name, .scrolled .brand-name { color: var(--brown-700); }
.solid .brand-sub, .scrolled .brand-sub { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--white); font-weight: 400; transition: color .25s; position: relative; }
.nav-links a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--gold); transition: width .3s; }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.solid .nav-links a, .scrolled .nav-links a { color: var(--brown-800); }
.nav-cta { background: var(--gold); color: var(--white) !important; padding: .6rem 1.3rem; border-radius: var(--radius); }
.nav-cta:hover { background: var(--brown-700); }

/* Lien de nav de la page courante */
.nav-links a.active { color: var(--gold) !important; }
.nav-links a.active:not(.nav-cta)::after { width: 100% !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--white); transition: .3s; }
.solid .nav-toggle span, .scrolled .nav-toggle span { background: var(--brown-700); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: grid; place-items: center; text-align: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.05); animation: heroZoom 18s ease-out forwards; }
@keyframes heroZoom { to { transform: scale(1.15); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(43,26,16,.55), rgba(43,26,16,.35) 40%, rgba(43,26,16,.65)); }
.hero-content { position: relative; z-index: 2; color: var(--white); padding: 0 1.5rem; max-width: 820px; }
.hero-eyebrow { font-size: .85rem; letter-spacing: .32em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(3rem, 8vw, 5.8rem); color: var(--white); margin-bottom: 1rem; text-shadow: 0 4px 30px rgba(0,0,0,.3); }
.hero-tagline { font-family: var(--ff-serif); font-size: clamp(1.2rem, 2.6vw, 1.7rem); font-weight: 400; font-style: italic; color: var(--cream); margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.6); border-radius: 14px; }
.hero-scroll span { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--white); border-radius: 2px; animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { 0% { opacity: 0; top: 8px; } 50% { opacity: 1; } 100% { opacity: 0; top: 22px; } }

/* ===== Bandeau de page interne ===== */
.page-hero { position: relative; min-height: 52vh; display: grid; place-items: center; text-align: center; overflow: hidden; }
.page-hero .hero-bg { animation: none; transform: none; }
.page-hero .hero-overlay { background: linear-gradient(to bottom, rgba(43,26,16,.62), rgba(43,26,16,.5)); }
.page-hero-content { position: relative; z-index: 2; color: var(--white); padding: 7rem 1.5rem 2.5rem; }
.page-hero-content .eyebrow { color: var(--gold-soft); }
.page-hero-content h1 { font-family: var(--ff-serif); font-weight: 500; font-size: clamp(2.4rem, 6vw, 4rem); color: var(--white); text-shadow: 0 4px 30px rgba(0,0,0,.3); }
.page-hero-content p.lead { font-family: var(--ff-serif); font-style: italic; font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--cream); margin-top: .8rem; }
.breadcrumb { margin-top: 1.4rem; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-soft); }
.breadcrumb a:hover { color: var(--white); }

/* ===== Sections ===== */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-alt { background: var(--cream-2); }
.section-dark { background: var(--brown-800); color: var(--cream); }
.section-dark h2 { color: var(--white); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 3.5rem; }
.section-lead { color: var(--muted); margin-top: 1.2rem; font-size: 1.05rem; }
.section-dark .section-lead { color: var(--cream-2); }

/* ===== Split (texte + média) ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-text h2 { margin-bottom: 1.2rem; }
.split-text p { margin-bottom: 1rem; color: var(--ink); }
.section-dark .split-text p { color: var(--cream-2); }
.split-media img { width: 100%; height: 100%; max-height: 520px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }

.feature-list { list-style: none; margin: 1.6rem 0; }
.feature-list li { display: flex; gap: .9rem; align-items: flex-start; padding: .55rem 0; border-bottom: 1px solid rgba(122,106,92,.18); }
.feature-list .ic { flex: 0 0 1.5rem; }

.price-inline { font-family: var(--ff-serif); font-size: 1.4rem; color: var(--brown-700); margin: 1.4rem 0 2rem; }
.price-inline strong { color: var(--gold); }

/* ===== Grille de teasers (accueil) ===== */
.teasers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.teaser { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px; display: flex; align-items: flex-end; box-shadow: var(--shadow-sm); }
.teaser img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; z-index: 0; }
.teaser::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(43,26,16,.85), rgba(43,26,16,.1)); z-index: 1; }
.teaser:hover img { transform: scale(1.07); }
.teaser-body { position: relative; z-index: 2; padding: 1.8rem; color: var(--white); }
.teaser-body h3 { color: var(--white); margin-bottom: .4rem; }
.teaser-body p { font-size: .92rem; color: var(--cream-2); margin-bottom: .8rem; }
.teaser-body .link { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-soft); }
.teaser:hover .teaser-body .link { color: var(--white); }

/* ===== Cartes chambres ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s, box-shadow .35s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-img { overflow: hidden; aspect-ratio: 3/2; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 1.6rem; }
.card-body h3 { margin-bottom: .6rem; }
.card-body p { color: var(--muted); font-size: .95rem; }

/* ===== Section sombre (table) ===== */
.dark-meta { display: flex; justify-content: center; margin: 2.5rem 0 1rem; }
.dark-meta-num { font-family: var(--ff-serif); font-size: 2.6rem; color: var(--gold-soft); display: block; }
.dark-meta-lbl { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cream-2); }
.fineprint { font-size: .85rem; color: var(--gold-soft); font-style: italic; }
.section:not(.section-dark) .fineprint { color: var(--muted); }

/* ===== Tarifs ===== */
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 900px; margin: 0 auto; }
.price-card { background: var(--white); border: 1px solid var(--cream-2); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow-sm); }
.price-card h3 { color: var(--brown-700); }
.price-note { color: var(--gold); font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1.2rem; }
.price-table { list-style: none; }
.price-table li { display: flex; justify-content: space-between; padding: .7rem 0; border-bottom: 1px dashed rgba(122,106,92,.25); }
.price-table li span:last-child { font-family: var(--ff-serif); font-size: 1.25rem; color: var(--brown-700); font-weight: 600; }

/* ===== Galerie ===== */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 1rem; }
.gal-item { overflow: hidden; border-radius: var(--radius); position: relative; cursor: pointer; }
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.gal-item:hover img { transform: scale(1.08); }
.gal-wide { grid-column: span 2; grid-row: span 2; }

/* ===== Contact ===== */
.contact-list { list-style: none; margin-top: 1.8rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; padding: .8rem 0; }
.contact-list .ic { flex: 0 0 1.5rem; font-size: 1.1rem; }
.contact-list a:hover { color: var(--gold-soft); }

.contact-cta { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.map-wrap { margin-top: 4rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; filter: grayscale(.2) sepia(.1); }

/* ===== Pages légales ===== */
.legal { max-width: 820px; margin: 0 auto; }
.legal h2 { font-size: 1.6rem; margin: 2.2rem 0 .8rem; color: var(--brown-700); }
.legal h3 { font-size: 1.2rem; margin: 1.4rem 0 .5rem; }
.legal p, .legal li { color: var(--ink); margin-bottom: .8rem; }
.legal ul { margin: 0 0 1rem 1.2rem; }
.legal a { color: var(--gold); }
.legal a:hover { color: var(--brown-700); }
.legal .updated { font-size: .85rem; color: var(--muted); font-style: italic; }

/* ===== Footer ===== */
.site-footer { background: var(--brown-900); color: var(--cream-2); padding: 3rem 0 2rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer-brand { display: flex; align-items: center; gap: 1rem; }
.footer-name { font-family: var(--ff-serif); font-size: 1.25rem; color: var(--white); }
.footer-sub { font-size: .8rem; color: var(--gold-soft); }
.footer-nav { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.footer-nav a { font-size: .82rem; letter-spacing: .08em; color: var(--cream-2); transition: color .25s; }
.footer-nav a:hover { color: var(--gold); }
.footer-copy { width: 100%; text-align: center; font-size: .78rem; color: rgba(242,233,221,.5); border-top: 1px solid rgba(255,255,255,.08); padding-top: 1.5rem; margin-top: .5rem; }
.footer-copy a { color: rgba(242,233,221,.7); }
.footer-copy a:hover { color: var(--gold); }

/* ===== Lightbox ===== */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(20,12,7,.94); display: none; place-items: center; padding: 2rem; }
.lightbox.open { display: grid; }
.lightbox img { max-width: 90vw; max-height: 88vh; border-radius: var(--radius); box-shadow: var(--shadow); }
.lightbox-close { position: absolute; top: 1.5rem; right: 2rem; background: none; border: 0; color: var(--white); font-size: 2.6rem; line-height: 1; cursor: pointer; }

/* ===== Animations au scroll ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .cards, .teasers { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(80vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.6rem;
    background: var(--brown-800); padding: 3rem 2.5rem; transform: translateX(100%);
    transition: transform .4s ease; box-shadow: -10px 0 40px rgba(0,0,0,.3);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a, .solid .nav-links a, .scrolled .nav-links a { color: var(--cream) !important; font-size: 1rem; }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--white); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--white); }
  .split, .split.reverse .split-media { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .split-media img { max-height: 360px; }
  .pricing { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cards, .teasers { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .gal-wide { grid-column: span 2; grid-row: span 1; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}