/* =========================================================
   Au Havre de St Gué — feuille de style
   Site statique, aucune dépendance externe.
   Palette côtière : granit / océan / sable.
   ========================================================= */

:root {
  --ocean:      #164a5b;   /* bleu profond */
  --ocean-deep: #0f3542;
  --ocean-soft: #2d6b7e;
  --sea:        #6ea8b8;   /* bleu verre de mer */
  --sand:       #e7c48a;   /* accent sable doré */
  --sand-deep:  #d9ac68;
  --cream:      #f6f1e7;   /* fond clair */
  --paper:      #fffdf8;
  --ink:        #26313a;   /* texte */
  --ink-soft:   #56636d;
  --line:       #e3dccd;
  --white:      #ffffff;

  --bg:         var(--cream);
  --surface:    var(--paper);
  --text:       var(--ink);
  --text-soft:  var(--ink-soft);
  --border:     var(--line);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 30px -12px rgba(15, 53, 66, .28);
  --shadow-soft: 0 4px 18px -8px rgba(15, 53, 66, .25);
  --maxw: 1140px;
  --header-h: 68px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #10222a;
    --surface:   #16303a;
    --text:      #eef3f2;
    --text-soft: #a9bcc2;
    --border:    #244550;
    --cream:     #10222a;
    --paper:     #16303a;
    --shadow: 0 12px 34px -14px rgba(0,0,0,.6);
    --shadow-soft: 0 6px 20px -10px rgba(0,0,0,.5);
  }
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; color: var(--text); }
p { margin: 0 0 1rem; }
a { color: var(--ocean-soft); text-decoration-color: color-mix(in srgb, var(--ocean-soft) 40%, transparent); text-underline-offset: 3px; }
@media (prefers-color-scheme: dark){ a { color: var(--sea); } }
img { max-width: 100%; display: block; }

.wrap { width: min(var(--maxw), 100% - 2.5rem); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .8rem 1.5rem; border-radius: 999px;
  font-family: var(--sans); font-weight: 600; font-size: .98rem;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ocean); color: #fff; box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--ocean-deep); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--ocean-soft); color: var(--ocean-soft); }
.btn-block { width: 100%; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.brand-mark { width: 40px; height: 40px; object-fit: contain; }
.brand-mark-light { display: none; }
@media (prefers-color-scheme: dark) {
  .brand-mark-dark { display: none; }
  .brand-mark-light { display: inline-block; }
}
.brand-text { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; letter-spacing: .2px; }

.main-nav { display: flex; align-items: center; }
.nav-list { list-style: none; display: flex; gap: .3rem; margin: 0; padding: 0; align-items: center; }
.nav-list a {
  display: inline-block; padding: .5rem .85rem; border-radius: 999px;
  text-decoration: none; color: var(--text-soft); font-weight: 500; font-size: .96rem;
  transition: color .2s ease, background .2s ease;
}
.nav-list a:hover { color: var(--text); }
.nav-list a.active { color: var(--ocean-soft); }
@media (prefers-color-scheme: dark){ .nav-list a.active { color: var(--sea); } }
.nav-cta { background: var(--ocean); color: #fff !important; }
.nav-cta:hover { background: var(--ocean-deep); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .5rem; }
.burger, .burger::before, .burger::after {
  display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.burger::before, .burger::after { content: ""; position: relative; }
.burger::before { top: -7px; } .burger::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .burger { background: transparent; }
.nav-toggle[aria-expanded="true"] .burger::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .burger::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center 40%;
  transform: scale(1.05); animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; z-index: 0; border: 0;
}
/* Si l'utilisateur préfère les animations réduites, on garde la photo de façade fixe. */
@media (prefers-reduced-motion: reduce) { .hero-video { display: none; } }
.hero-logo {
  width: clamp(100px, 22vw, 150px); height: auto; margin: 0 auto 1.2rem;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,.4));
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(15,53,66,.35) 0%, rgba(15,53,66,.45) 45%, rgba(15,53,66,.7) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 6rem 0 8rem; }
.hero-kicker {
  text-transform: uppercase; letter-spacing: .28em; font-size: .78rem; font-weight: 600;
  margin: 0 0 1rem; color: var(--sand);
}
.hero-title { font-size: clamp(2.6rem, 8vw, 5rem); margin: 0; color: #fff; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero-tagline { font-family: var(--serif); font-style: italic; font-size: clamp(1.2rem, 3.5vw, 1.8rem); margin: .4rem 0 0; color: #fff; }
.hero-sub { margin: 1.4rem 0 2.2rem; font-size: 1.05rem; opacity: .92; }
.hero-actions { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.6); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; color: #fff; }
.hero-scroll { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.7); border-radius: 14px; }
.hero-scroll span { position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; margin-left: -2px; background: #fff; border-radius: 2px; animation: scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot { 0%,100%{opacity:0; transform: translateY(0);} 40%{opacity:1;} 80%{opacity:0; transform: translateY(12px);} }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-alt { background: color-mix(in srgb, var(--ocean) 6%, var(--bg)); }
@media (prefers-color-scheme: dark){ .section-alt { background: color-mix(in srgb, #000 22%, var(--bg)); } }
.eyebrow {
  text-transform: uppercase; letter-spacing: .25em; font-size: .76rem; font-weight: 700;
  color: var(--ocean-soft); margin: 0 0 .6rem;
}
@media (prefers-color-scheme: dark){ .eyebrow { color: var(--sea); } }
.section-title { font-size: clamp(1.7rem, 4.2vw, 2.6rem); margin: 0 0 1.4rem; max-width: 20ch; }
.lead { max-width: 62ch; font-size: 1.06rem; color: var(--text-soft); }
.lead p { color: var(--text-soft); }
.subsection-title { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 3.2rem 0 1rem; }

/* ---------- Chiffres clés ---------- */
.facts {
  list-style: none; margin: 2.4rem 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; text-align: center;
}
.facts li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem .8rem; box-shadow: var(--shadow-soft); }
.fact-num { display: block; font-family: var(--serif); font-size: 2.4rem; color: var(--ocean); line-height: 1; }
@media (prefers-color-scheme: dark){ .fact-num { color: var(--sand); } }
.fact-min { font-size: .9rem; margin-left: 2px; }
.fact-label { display: block; margin-top: .4rem; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-soft); }

/* ---------- Pièces ---------- */
.rooms {
  margin-top: 3rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.6rem;
}
.room-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); transition: transform .25s ease, box-shadow .25s ease; }
.room-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.room-photo { aspect-ratio: 16 / 10; background-size: cover; background-position: center; }
.room-body { padding: 1.3rem 1.4rem 1.5rem; }
.room-body h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.room-body p { margin: 0; color: var(--text-soft); font-size: .98rem; }

/* ---------- Galerie ---------- */
.gallery-title { margin: 3.6rem 0 1.4rem; font-size: 1.5rem; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.gallery-item { padding: 0; border: 0; cursor: zoom-in; background: none; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1/1; }
.gallery-item.wide { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:focus-visible { outline: 3px solid var(--sand); outline-offset: 2px; }

/* ---------- Tout Savoir ---------- */
.info-grid, .area-grid {
  margin-top: 2.4rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.4rem;
}
.info-card, .area-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-soft); }
.info-card h3 { margin: 0 0 .9rem; font-size: 1.15rem; }
.info-card ul { margin: 0; padding-left: 1.1rem; color: var(--text-soft); }
.info-card li { margin-bottom: .35rem; }
.area-card h4 { margin: 0 0 .5rem; font-size: 1.12rem; }
.area-card p { margin: 0; color: var(--text-soft); font-size: .97rem; }

/* ---------- Calendrier ---------- */
.calendar-legend { display: flex; flex-wrap: wrap; gap: 1.2rem; margin: 1.6rem 0 1rem; font-size: .9rem; color: var(--text-soft); }
.legend-item { display: inline-flex; align-items: center; gap: .5rem; }
.swatch { width: 16px; height: 16px; border-radius: 5px; border: 1px solid var(--border); }
.swatch-free { background: var(--surface); }
.swatch-booked { background: var(--sand-deep); border-color: var(--sand-deep); }
.swatch-today { background: transparent; border: 2px solid var(--ocean-soft); }

.calendar-controls { display: flex; align-items: center; gap: 1rem; margin: .5rem 0 1.4rem; }
.cal-nav { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 1.4rem; line-height: 1; cursor: pointer; transition: background .2s ease, border-color .2s ease; }
.cal-nav:hover { border-color: var(--ocean-soft); color: var(--ocean-soft); }
.cal-nav:disabled { opacity: .35; cursor: default; }
.cal-range { font-family: var(--serif); font-size: 1.15rem; text-transform: capitalize; }

.calendar { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.6rem; }
.calendar-loading { color: var(--text-soft); }
.cal-month { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.1rem 1.3rem; box-shadow: var(--shadow-soft); }
.cal-month h3 { text-align: center; margin: 0 0 .8rem; font-size: 1.15rem; text-transform: capitalize; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-dow { text-align: center; font-size: .72rem; font-weight: 700; color: var(--text-soft); text-transform: uppercase; padding-bottom: .3rem; }
.cal-day { aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; font-size: .86rem; border-radius: 8px; color: var(--text); }
.cal-day.empty { visibility: hidden; }
.cal-day.past { color: var(--text-soft); opacity: .45; }
.cal-day.booked { background: var(--sand-deep); color: #3a2b12; font-weight: 600; }
.cal-day.today { box-shadow: inset 0 0 0 2px var(--ocean-soft); font-weight: 700; }
.calendar-cta { margin-top: 1.8rem; color: var(--text-soft); }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 3rem; align-items: start; }
.contact-details { list-style: none; margin: 1.8rem 0; padding: 0; }
.contact-details li { display: flex; gap: .8rem; align-items: flex-start; margin-bottom: 1rem; }
.contact-details a { font-weight: 600; }
.ci { font-size: 1.2rem; line-height: 1.4; }
.map-actions { display: flex; gap: .7rem; flex-wrap: wrap; }

.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.8rem; box-shadow: var(--shadow-soft); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1rem; display: flex; flex-direction: column; }
.field label, .consent { font-size: .9rem; font-weight: 600; color: var(--text); margin-bottom: .4rem; }
.field input, .field textarea {
  font-family: var(--sans); font-size: 1rem; color: var(--text);
  background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: .7rem .85rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--ocean-soft);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ocean-soft) 22%, transparent);
}
.field textarea { resize: vertical; }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; color: var(--text-soft); margin: .4rem 0 1.2rem; }
.consent input { margin-top: .25rem; flex: 0 0 auto; }
.hp { position: absolute; left: -9999px; opacity: 0; }
.form-status { margin: 1rem 0 0; font-weight: 600; text-align: center; }
.form-status.ok { color: #1f7a4d; }
.form-status.err { color: #b4433a; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--ocean-deep); color: #dfeaee; padding: 3rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between; }
.footer-brand { font-family: var(--serif); font-size: 1.4rem; margin: 0; color: #fff; }
.footer-tag { margin: .2rem 0 0; font-size: .9rem; opacity: .8; }
.footer-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-nav a { color: #dfeaee; text-decoration: none; font-size: .95rem; opacity: .85; }
.footer-nav a:hover { opacity: 1; text-decoration: underline; }
.footer-copy { margin: 0; font-size: .85rem; opacity: .7; width: 100%; text-align: center; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(10, 26, 32, .92); padding: 4vh 2vw;
}
.lightbox.open { display: flex; }
.lb-figure { margin: 0; max-width: 92vw; max-height: 92vh; display: flex; flex-direction: column; align-items: center; }
#lb-img { max-width: 92vw; max-height: 82vh; width: auto; height: auto; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
#lb-caption { color: #eef3f2; margin-top: .9rem; font-size: .95rem; font-family: var(--serif); font-style: italic; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; cursor: pointer;
  border-radius: 50%; width: 52px; height: 52px; font-size: 2rem; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: background .2s ease;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,.28); }
.lb-close { top: 3vh; right: 3vw; font-size: 1.8rem; }
.lb-prev { left: 2vw; top: 50%; transform: translateY(-50%); }
.lb-next { right: 2vw; top: 50%; transform: translateY(-50%); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-layout { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 2; grid-row: auto; aspect-ratio: 1/1; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: .5rem 1rem 1rem; align-items: stretch;
    transform: translateY(-120%); transition: transform .3s ease; box-shadow: var(--shadow);
  }
  .nav-list.open { transform: translateY(0); }
  .nav-list a { padding: .85rem .5rem; border-radius: 10px; font-size: 1.05rem; }
  .nav-cta { text-align: center; margin-top: .3rem; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .footer-inner { flex-direction: column; text-align: center; }
}