/* ===================================================================
   LA GRANDE CHAMPAGNE — style.css
   Gîte de groupe, Rioux (Charente-Maritime)
   Palette : pierre de Saintonge / teal "piscine de nuit" / laiton
   Polices : Fraunces (display) · Karla (texte) · IBM Plex Mono (annotations)
   via Bunny Fonts (miroir RGPD-friendly de Google Fonts, aucune IP loggée)
   =================================================================== */

@import url('https://fonts.bunny.net/css?family=fraunces:500,600,600i,700,900|karla:400,500,600,700|ibm-plex-mono:400,500&display=swap');

:root{
  /* --- Palette --- */
  --stone:      #E8E2D0;
  --stone-dark: #DBD3BD;
  --parchment:  #F7F4EC;
  --ink:        #211C16;
  --ink-soft:   #5B5346;
  --teal:       #1B3A3B;
  --teal-light: #2E5152;
  --teal-pale:  #DDEAE9;
  --brass:      #A97E3D;
  --brass-dark: #8A6529;
  --vine:       #4B5A3D;
  --white:      #FFFFFF;

  /* --- Typo --- */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;

  /* --- Rythme --- */
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 7rem;

  --radius-s: 4px;
  --radius-m: 8px;
  --max-w: 1220px;
  --border: 1px solid rgba(33,28,22,.14);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); color: var(--ink); line-height:1.12; margin:0 0 .5em; font-weight:600; }
h1{ font-size: clamp(2.4rem, 3vw + 1.6rem, 4.2rem); font-weight:600; }
h2{ font-size: clamp(1.9rem, 1.6vw + 1.4rem, 2.7rem); }
h3{ font-size: clamp(1.25rem, .6vw + 1.1rem, 1.55rem); }
p{ margin:0 0 1em; }
p:last-child{ margin-bottom:0; }

:focus-visible{ outline: 3px solid var(--brass); outline-offset: 2px; }

.container{ max-width: var(--max-w); margin-inline:auto; padding-inline: var(--space-3); }
@media (max-width:640px){ .container{ padding-inline: var(--space-2); } }

.section{ padding-block: var(--space-5); }
.section--tight{ padding-block: var(--space-4); }
.section--dark{ background: var(--teal); color: var(--parchment); }
.section--dark h2, .section--dark h3{ color: var(--white); }
.section--parchment{ background: var(--parchment); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing:.14em;
  font-size:.78rem; color: var(--brass-dark);
  margin-bottom: var(--space-2);
}
.section--dark .eyebrow{ color: #D9B57B; }
.eyebrow::before{ content:""; width:1.6em; height:1px; background: currentColor; display:inline-block; }

.lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 62ch; }
.section--dark .lede{ color: #C9D9D6; }

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font-family: var(--font-body); font-weight:700; font-size:.98rem;
  padding: .9em 1.5em; border-radius: var(--radius-s);
  border: 1.5px solid transparent; transition: transform .15s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-brass{ background: var(--brass); color: var(--white); }
.btn-brass:hover{ background: var(--brass-dark); }
.btn-outline{ border-color: currentColor; color: var(--ink); }
.btn-outline:hover{ background: var(--ink); color: var(--stone); }
.section--dark .btn-outline{ color: var(--white); }
.section--dark .btn-outline:hover{ background: var(--white); color: var(--teal); }
@media (prefers-reduced-motion: no-preference){ .btn:active{ transform: translateY(1px); } }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(232,226,208,.92); backdrop-filter: blur(6px);
  border-bottom: var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding-block: 1.1rem; gap: var(--space-3); }
.brand{ display:flex; flex-direction:column; line-height:1.1; }
.brand-name{ font-family: var(--font-display); font-weight:700; font-size:1.28rem; letter-spacing:.01em; }
.brand-tagline{ font-family: var(--font-mono); font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color: var(--ink-soft); }

.site-nav{ display:flex; align-items:center; gap: var(--space-3); }
.site-nav a{ font-weight:600; font-size:.95rem; padding:.3em 0; border-bottom:2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"]{ border-color: var(--brass); }
.site-nav .nav-cta{ background: var(--teal); color:var(--white); padding:.6em 1.1em; border-radius: var(--radius-s); border-bottom:none; }
.site-nav .nav-cta:hover{ background: var(--teal-light); border-color:transparent; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:.4em; }
.nav-toggle span{ width:24px; height:2px; background: var(--ink); }

@media (max-width: 880px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute; inset-inline:0; top:100%; background: var(--stone);
    flex-direction:column; align-items:flex-start; gap:0;
    border-bottom: var(--border);
    max-height:0; overflow:hidden; transition: max-height .28s ease;
  }
  .site-nav.is-open{ max-height: 420px; }
  .site-nav a{ width:100%; padding: 1em var(--space-3); border-bottom: var(--border); }
  .site-nav .nav-cta{ margin: .8em var(--space-3); border-radius: var(--radius-s); }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{ font-family: var(--font-mono); font-size:.78rem; color: var(--ink-soft); padding-block: var(--space-2); }
.breadcrumb a:hover{ color: var(--brass-dark); }
.breadcrumb .sep{ margin-inline:.5em; opacity:.5; }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; background: var(--teal); color: var(--white); }
.hero-media{ position:relative; aspect-ratio: 16/8.2; overflow:hidden; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(27,58,59,.15) 0%, rgba(27,58,59,.55) 68%, rgba(27,58,59,.88) 100%);
}
.hero-copy{
  position:absolute; inset:0; display:flex; flex-direction:column; justify-content:flex-end;
  padding: var(--space-4) var(--space-3) var(--space-5);
}
.hero-copy .container{ width:100%; }
.hero h1{ color:var(--white); max-width: 16ch; }
.hero .lede{ color:#E7EEE9; max-width: 52ch; margin-block: var(--space-2) var(--space-3); }
.hero-actions{ display:flex; gap: var(--space-2); flex-wrap:wrap; }

@media (prefers-reduced-motion: no-preference){
  .reveal{ opacity:0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.is-visible{ opacity:1; transform:none; }
}

/* ---------- Barre de specs (façon carnet de plan) ---------- */
.specs{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  border-block: var(--border); background: var(--parchment);
}
.specs dl{ margin:0; padding: var(--space-3) var(--space-2); border-right: var(--border); text-align:center; }
.specs dl:last-child{ border-right:none; }
.specs dt{ font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ink-soft); margin-bottom:.35em; }
.specs dd{ margin:0; font-family: var(--font-display); font-size:1.7rem; font-weight:700; color: var(--teal); }
.specs dd small{ font-family: var(--font-body); font-size:.9rem; font-weight:600; color: var(--ink-soft); }

/* ---------- Grilles / cartes ---------- */
.grid{ display:grid; gap: var(--space-3); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width:900px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width:560px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

.card{ background: var(--parchment); border-radius: var(--radius-m); overflow:hidden; border: var(--border); }
.card-photo{ aspect-ratio: 4/3; overflow:hidden; background: var(--stone-dark); position:relative; }
.card-photo img{ width:100%; height:100%; object-fit:cover; transition: transform .4s ease; }

/* Mini-carousel à points (room-carousel), chambres avec plusieurs photos.
   Zones de clic à 34px (proche des 44px recommandés tactile) même si le
   point visible est petit — le confort au doigt prime sur l'esthétique. */
.room-dots{
  position:absolute; bottom:.5em; inset-inline:0; display:flex; justify-content:center; gap:.2em; z-index:2;
}
.room-dot{
  width:34px; height:34px; padding:0; border:none; background:transparent;
  display:flex; align-items:center; justify-content:center;
}
.room-dot::before{
  content:""; width:7px; height:7px; border-radius:50%; background: rgba(255,255,255,.55);
  transition: background .2s ease, transform .2s ease; box-shadow: 0 0 0 1px rgba(0,0,0,.15);
}
.room-dot.is-active::before{ background:#fff; transform:scale(1.3); }
.room-dot:focus-visible{ outline: 2px solid var(--brass); outline-offset: 2px; border-radius:50%; }
@media (prefers-reduced-motion: no-preference){ .card:hover .card-photo img{ transform: scale(1.045); } }
.card-body{ padding: var(--space-2) var(--space-3) var(--space-3); }
.card-body h3{ margin-bottom:.35em; }
.card-body p{ color: var(--ink-soft); font-size:.96rem; }

.tag{
  display:inline-flex; align-items:center; gap:.4em; font-family: var(--font-mono);
  font-size:.72rem; letter-spacing:.05em; text-transform:uppercase;
  background: var(--teal-pale); color: var(--teal); padding:.3em .7em; border-radius: 999px;
}

/* ---------- Icônes ligne (equipements etc.) ---------- */
.icon-row{ display:flex; align-items:flex-start; gap: var(--space-2); padding-block: var(--space-2); border-bottom: var(--border); }
.icon-row:last-child{ border-bottom:none; }
.icon-row svg{ flex-shrink:0; width:26px; height:26px; stroke: var(--teal); }
.icon-row h4{ font-family: var(--font-body); font-weight:700; font-size:1rem; margin:0 0 .2em; }
.icon-row p{ color: var(--ink-soft); font-size:.92rem; margin:0; }

.amenity-cols{ columns: 2; column-gap: var(--space-4); }
@media (max-width:640px){ .amenity-cols{ columns:1; } }
.amenity-cols li{ break-inside: avoid; display:flex; gap:.6em; padding-block:.5em; border-bottom: var(--border); align-items:center; }
.amenity-cols svg{ width:18px; height:18px; stroke: var(--brass-dark); flex-shrink:0; }

/* ---------- Motif "plan" signature ---------- */
.plan-motif{ stroke: var(--teal); fill:none; stroke-width:1.4; opacity:.9; }
.plan-motif .fill{ fill: var(--teal); stroke:none; opacity:.12; }
.plan-divider{ display:flex; justify-content:center; padding-block: var(--space-3); color: var(--teal); opacity:.55; }

/* ---------- Galerie / Lightbox ---------- */
.gallery-filters{ display:flex; gap:.6em; flex-wrap:wrap; margin-block-end: var(--space-3); }
.gallery-filters button{
  font-family: var(--font-mono); font-size:.78rem; letter-spacing:.04em; text-transform:uppercase;
  border:1.5px solid var(--teal); background:transparent; color:var(--teal);
  padding:.5em 1em; border-radius:999px; transition: background .2s, color .2s;
}
.gallery-filters button.is-active, .gallery-filters button:hover{ background: var(--teal); color: var(--white); }

.gallery-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-1); }
@media (max-width:860px){ .gallery-grid{ grid-template-columns: repeat(3,1fr); } }
@media (max-width:560px){ .gallery-grid{ grid-template-columns: repeat(2,1fr); } }
.gallery-item{ position:relative; aspect-ratio:1; overflow:hidden; border-radius: var(--radius-s); background: var(--stone-dark); }
.gallery-item img{ width:100%; height:100%; object-fit:cover; cursor: zoom-in; transition: transform .35s ease; }
@media (prefers-reduced-motion: no-preference){ .gallery-item:hover img{ transform: scale(1.06); } }
.gallery-item .cap{
  position:absolute; inset-inline:0; bottom:0; padding:.5em .6em;
  background: linear-gradient(0deg, rgba(27,58,59,.85), transparent);
  color:#fff; font-size:.74rem; font-family: var(--font-mono);
  opacity:0; transition: opacity .2s;
}
.gallery-item:hover .cap{ opacity:1; }
/* Le survol souris n'existe pas sur mobile/tactile : (hover: none) détecte fiablement
   ce cas (contrairement à un simple breakpoint de largeur) et affiche la légende en
   permanence, comme le nom qui apparaît au survol sur PC. */
@media (hover: none) {
  .gallery-item .cap{ opacity:1; background: linear-gradient(0deg, rgba(27,58,59,.85) 30%, transparent); }
}

.lightbox{
  position:fixed; inset:0; z-index:100; display:none;
  background: rgba(27,58,59,.94); align-items:center; justify-content:center; padding: var(--space-3);
}
.lightbox.is-open{ display:flex; }
.lightbox img{ max-width:min(1100px,92vw); max-height:82vh; border-radius: var(--radius-s); }
.lightbox-cap{ position:absolute; bottom: var(--space-3); left:0; right:0; text-align:center; color:#fff; font-family: var(--font-mono); font-size:.85rem; }
.lightbox button{ position:absolute; background:none; border:none; color:#fff; }
.lightbox .lb-close{ top: var(--space-3); right: var(--space-3); font-size:1.8rem; line-height:1; padding:.2em .5em; }
.lightbox .lb-prev, .lightbox .lb-next{ top:50%; transform: translateY(-50%); font-size:2.2rem; padding:.2em .4em; }
.lightbox .lb-prev{ left: var(--space-2); }
.lightbox .lb-next{ right: var(--space-2); }
.lightbox button:hover{ color: var(--brass); }

/* ---------- Formulaire ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:.4em; margin-bottom: var(--space-2); }
.field.full{ grid-column: 1/-1; }
.field label{ font-family: var(--font-mono); font-size:.76rem; text-transform:uppercase; letter-spacing:.05em; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  font-family: var(--font-body); font-size:1rem; padding:.8em .9em;
  border:1.5px solid var(--stone-dark); border-radius: var(--radius-s); background: var(--white); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--teal); }
.form-note{ font-size:.85rem; color: var(--ink-soft); margin-top: var(--space-2); }
.form-status{ margin-top: var(--space-2); padding: .8em 1em; border-radius: var(--radius-s); font-size:.92rem; display:none; }
.form-status.ok{ display:block; background:#E4EFE1; color:#2C4B26; }
.form-status.err{ display:block; background:#F5E4DF; color:#7A3421; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom: var(--border); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding: 1.1em 0;
  display:flex; justify-content:space-between; align-items:center; gap:1em;
  font-family: var(--font-body); font-weight:700; font-size:1.02rem; color: var(--ink);
}
.faq-q .chev{ transition: transform .25s ease; flex-shrink:0; stroke: var(--teal); width:18px; height:18px; }
.faq-item.is-open .faq-q .chev{ transform: rotate(180deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .3s ease; color: var(--ink-soft); }
.faq-item.is-open .faq-a{ max-height: 320px; }
.faq-a p{ padding-bottom: 1.1em; margin:0; }

/* ---------- Tableau tarifs ---------- */
.price-table{ width:100%; border-collapse: collapse; background: var(--parchment); border-radius: var(--radius-m); overflow:hidden; }
.price-table th, .price-table td{ padding: .95em 1.1em; text-align:left; border-bottom: var(--border); }
.price-table thead th{ background: var(--teal); color: var(--white); font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.05em; font-weight:500; }
.price-table tbody tr:last-child td{ border-bottom:none; }
.price-table td.num{ font-family: var(--font-mono); }
.price-table tbody tr.current{ background: var(--teal-pale); }
.table-scroll{ overflow-x:auto; }

/* ---------- Avis ---------- */
.rating-badge{ display:flex; align-items:center; gap: var(--space-2); }
.rating-badge .stars{ font-family: var(--font-display); font-size:2.2rem; font-weight:700; color: var(--brass); }
.rating-badge .stars small{ font-family: var(--font-body); font-size:1rem; font-weight:600; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer{ background: var(--teal); color:#C9D9D6; }
.footer-inner{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-4); padding-block: var(--space-5); }
@media (max-width:780px){ .footer-inner{ grid-template-columns:1fr; gap: var(--space-3); } }
.footer-inner h4{ font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.08em; font-size:.78rem; color:#8FB3AE; margin-bottom: var(--space-2); }
.footer-inner .brand-name{ color:#fff; font-size:1.4rem; }
.footer-inner a:hover{ color:#fff; }
.footer-inner li{ padding-block:.3em; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.14); text-align:center; padding: var(--space-3); font-size:.82rem; color:#8FB3AE; }

/* ---------- Utilitaires ---------- */
.text-center{ text-align:center; }
.mx-auto{ margin-inline:auto; }
.mt-0{ margin-top:0; }
.stack{ display:flex; flex-direction:column; gap: var(--space-2); }
.split{ display:grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-4); align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } }
.split.reverse{ grid-template-columns: .9fr 1.1fr; }
@media (max-width:860px){ .split.reverse{ grid-template-columns:1fr; } }
.split.reverse .split-media{ order:2; }
@media (max-width:860px){ .split.reverse .split-media{ order:0; } }
.split-media img{ border-radius: var(--radius-m); aspect-ratio:4/3; object-fit:cover; width:100%; }

.callout{ background: var(--parchment); border-left:4px solid var(--brass); padding: var(--space-3); border-radius: var(--radius-s); }

.skip-link{ position:absolute; left:-999px; top:auto; background:var(--ink); color:#fff; padding:.8em 1.2em; z-index:200; }
.skip-link:focus{ left: var(--space-2); top: var(--space-2); }