/* ============================================
   THÈME BRETON — Granit, mer & maison de famille
   ============================================ */
:root {
  --stone:       #F2EDE6;
  --stone-mid:   #E2DAD0;
  --stone-dark:  #D5CEC4;
  --parchment:   #FAF7F3;
  --ink:         #1E2D30;
  --ink-mid:     #2E4A4E;
  --ink-light:   #4A5F5E;
  --muted:       #7A9EA3;
  --muted-light: #8A9EA0;
  --sea:         #1A3040;
  --teal:        #6B8F94;
  --teal-pale:   #E2EEF0;
  --available:   #2E5A48;
  --unavailable: #4A3830;

  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body:    'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  --radius:     2px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow:     0 4px 20px rgba(30,45,48,0.08);
  --shadow-lg:  0 12px 40px rgba(30,45,48,0.13);
  --header-h:   68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--parchment);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: 860px; }
.section { padding: 5.5rem 0; }

/* BOUTONS */
.btn-primary, .btn-secondary, .btn-ghost {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary { background: var(--teal); color: var(--ink); }
.btn-primary:hover { background: var(--ink); color: var(--parchment); }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--stone-dark); }
.btn-secondary:hover { border-color: var(--ink); background: var(--stone); }
.btn-ghost { background: transparent; color: var(--parchment); border: 1px solid rgba(242,237,230,0.35); }
.btn-ghost:hover { border-color: rgba(242,237,230,0.7); background: rgba(242,237,230,0.08); }
.btn-large { padding: 1rem 2.5rem; font-size: 0.875rem; }
.btn-full { width: 100%; }

/* EN-TÊTE */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(250,247,243,0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stone-dark);
  z-index: 100;
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 2rem;
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); }
.logo-mark { color: var(--teal); font-size: 0.75em; }
.main-nav { display: flex; align-items: center; gap: 2.5rem; }
.nav-link {
  font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink-light); transition: color var(--transition); position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--teal); transform: scaleX(0); transition: transform var(--transition);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--ink); transition: var(--transition); }

/* HERO */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: flex-end;
  overflow: hidden; background: var(--sea); padding-top: var(--header-h);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(107,143,148,0.12) 0%, transparent 55%),
    linear-gradient(175deg, #1c2a30 0%, #1A3040 45%, #0F1E24 100%);
}
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 119px, rgba(107,143,148,0.03) 120px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(107,143,148,0.02) 60px);
}
.hero-bg::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 38%;
  height: 1px; background: rgba(107,143,148,0.2);
}
.hero-content {
  position: relative; z-index: 2; width: 100%; max-width: 1160px;
  margin: 0 auto; padding: 0 2rem 5rem;
}
.hero-eyebrow {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 1.25rem;
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400; color: var(--parchment); line-height: 1.07;
  margin-bottom: 0.75rem; max-width: 680px;
}
.hero-subtitle { font-size: 0.9375rem; font-style: italic; color: rgba(242,237,230,0.45); margin-bottom: 3rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll-indicator {
  position: absolute; bottom: 2rem; right: 2.5rem;
  color: rgba(107,143,148,0.5); font-size: 0.7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.15em; writing-mode: vertical-lr;
  animation: bob 2.5s ease-in-out infinite;
}
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* SECTION HEADERS */
.section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 3rem; padding-bottom: 1rem; border-bottom: 1px solid var(--stone-dark);
}
.section-eyebrow {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 0.4rem;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 400; }
.section-link {
  font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--teal); transition: color var(--transition);
}
.section-link:hover { color: var(--ink); }

.section-apartments { background: var(--stone); }

/* GRILLE */
.apartments-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1.5rem; }
.apartments-grid--full { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }

/* CARTE */
.apt-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--parchment); border: 1px solid var(--stone-dark); transition: var(--transition);
}
.apt-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--muted); }
.apt-card--unavailable { opacity: 0.65; }
.apt-card-link { display: block; }
.apt-card-image { aspect-ratio: 4/3; overflow: hidden; background: var(--stone); position: relative; }
.apt-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  filter: sepia(8%) contrast(0.95); transition: transform 0.65s ease;
}
.apt-card:hover .apt-card-image img { transform: scale(1.04); }
.apt-card-image.no-image, .apt-card-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: var(--stone-dark); font-size: 1.75rem;
}
.apt-card-badge {
  position: absolute; top: 0.75rem; right: 0.75rem; padding: 0.25rem 0.7rem;
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; border-radius: var(--radius);
}
.badge--available { background: rgba(46,90,72,0.88); color: #C6E2D4; }
.badge--unavailable { background: rgba(30,45,48,0.75); color: rgba(242,237,230,0.75); }
.apt-card-body { padding: 1.25rem 1.4rem 1.4rem; }
.apt-card-address { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 0.3rem; }
.apt-card-title { font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); margin-bottom: 0.4rem; line-height: 1.2; }
.apt-card-desc { font-size: 0.875rem; color: var(--ink-light); margin-bottom: 0.9rem; line-height: 1.5; }
.apt-card-specs { font-size: 0.8rem; color: var(--muted-light); display: flex; gap: 0.4rem; margin-bottom: 1rem; }
.apt-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 0.9rem; border-top: 1px solid var(--stone-dark); }
.apt-card-price { font-size: 0.875rem; color: var(--ink-light); }
.apt-card-price strong { color: var(--ink); font-weight: 500; font-size: 0.9375rem; }
.apt-card-cta { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); }

/* ATOUTS */
.section-features { background: var(--ink); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; }
.feature-item { color: var(--parchment); }
.feature-icon { display: block; font-size: 1.25rem; color: var(--teal); margin-bottom: 1rem; }
.feature-title { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.4rem; }
.feature-desc { font-size: 0.9rem; color: rgba(242,237,230,0.5); line-height: 1.6; }

/* CTA */
.section-cta { background: var(--stone); }
.cta-block { text-align: center; max-width: 600px; margin: 0 auto; }
.cta-block h2 { font-family: var(--font-display); font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 400; margin-bottom: 0.6rem; }
.cta-block p { color: var(--ink-light); margin-bottom: 2.5rem; font-style: italic; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* PAGE HEADER */
.page-header { background: var(--ink); padding: calc(var(--header-h) + 4rem) 0 3.5rem; border-bottom: 1px solid rgba(107,143,148,0.2); }
.page-title { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 400; color: var(--parchment); margin-bottom: 0.4rem; }
.page-subtitle { color: rgba(242,237,230,0.45); font-style: italic; }

/* FILTRES */
.filters-bar { display: flex; gap: 0.75rem; margin-bottom: 2.5rem; }
.filter-btn {
  padding: 0.45rem 1.25rem; font-family: var(--font-body); font-size: 0.75rem;
  font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--parchment); border: 1px solid var(--stone-dark);
  border-radius: var(--radius); cursor: pointer; color: var(--ink-light); transition: var(--transition);
}
.filter-btn:hover { border-color: var(--teal); color: var(--ink); }
.filter-btn.active { background: var(--ink); color: var(--parchment); border-color: var(--ink); }

/* DÉTAIL */
.apt-hero {
  position: relative; height: 58vh; min-height: 400px;
  background: var(--sea); overflow: hidden; margin-top: var(--header-h);
}
.apt-hero-image { position: absolute; inset: 0; }
.apt-hero-image img { width: 100%; height: 100%; object-fit: cover; opacity: 0.45; filter: sepia(12%) contrast(0.9); }
.apt-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,30,36,0.92) 0%, rgba(15,30,36,0.2) 60%); }
.apt-hero-content { position: absolute; bottom: 3rem; left: 0; right: 0; padding: 0 2rem; max-width: 1160px; margin: 0 auto; color: var(--parchment); }
.back-link { display: inline-block; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(242,237,230,0.45); margin-bottom: 1rem; transition: color var(--transition); }
.back-link:hover { color: var(--teal); }
.apt-title { font-family: var(--font-display); font-size: clamp(1.75rem, 4vw, 3rem); font-weight: 400; margin-bottom: 0.3rem; }
.apt-address { font-size: 0.8125rem; color: rgba(242,237,230,0.5); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1rem; }
.apt-status { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.3rem 0.9rem; border-radius: var(--radius); }
.apt-status.available { background: rgba(46,90,72,0.85); color: #C6E2D4; }
.apt-status.unavailable { background: rgba(74,56,48,0.85); color: rgba(242,237,230,0.75); }

.apt-body { max-width: 1160px; margin: 0 auto; padding: 4rem 2rem; display: grid; grid-template-columns: 1fr 300px; gap: 4rem; align-items: start; }
.apt-main > * + * { margin-top: 3rem; }

.apt-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.6rem; }
.gallery-item { aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius); background: var(--stone); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; filter: sepia(8%) contrast(0.95); transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.04); }

.apt-description h2, .apt-amenities h2, .apt-calendar h2 {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 400;
  margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--stone-dark);
}
.description-text { font-size: 0.9375rem; color: var(--ink-light); line-height: 1.8; }
.description-text p + p { margin-top: 0.9rem; }

.amenities-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 0.5rem; }
.amenities-list li { font-size: 0.875rem; color: var(--ink-mid); padding: 0.45rem 0.75rem; background: var(--teal-pale); border-radius: var(--radius); border-left: 2px solid var(--teal); }

.calendar-hint { font-size: 0.875rem; font-style: italic; color: var(--muted-light); margin-bottom: 1.25rem; }
.calendar-wrapper { border: 1px solid var(--stone-dark); border-radius: var(--radius); overflow: hidden; background: white; }
.calendar-wrapper iframe { display: block; width: 100%; }
.calendar-note { margin-top: 0.75rem; font-size: 0.8125rem; color: var(--muted-light); padding: 0.65rem 0.9rem; background: var(--stone); border-radius: var(--radius); border: 1px solid var(--stone-dark); }
.calendar-placeholder { padding: 3rem; text-align: center; background: var(--stone); border: 1px dashed var(--stone-dark); border-radius: var(--radius); color: var(--muted-light); font-style: italic; }

.apt-sidebar { position: sticky; top: calc(var(--header-h) + 2rem); }
.apt-sidebar > * + * { margin-top: 1rem; }
.price-card, .specs-card, .contact-card { background: var(--parchment); border: 1px solid var(--stone-dark); border-radius: var(--radius); padding: 1.4rem; }
.price-card { background: var(--ink); color: var(--parchment); border-color: var(--ink); }
.price-item { display: flex; justify-content: space-between; align-items: baseline; padding: 0.5rem 0; }
.price-item + .price-item { border-top: 1px solid rgba(242,237,230,0.1); }
.price-label { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(242,237,230,0.4); }
.price-value { font-family: var(--font-display); font-size: 1.7rem; color: var(--parchment); }
.spec-row { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--ink-light); padding: 0.45rem 0; }
.spec-row + .spec-row { border-top: 1px solid var(--stone-dark); }
.spec-icon { color: var(--teal); width: 1.1rem; text-align: center; }
.contact-card h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.35rem; }
.contact-card p { font-size: 0.875rem; font-style: italic; color: var(--muted-light); margin-bottom: 1.1rem; }
.contact-card .btn-primary { width: 100%; margin-bottom: 0.65rem; }
.contact-card .btn-secondary { width: 100%; }

/* CONTACT PAGE */
.contact-grid { display: grid; grid-template-columns: 260px 1fr; gap: 4rem; align-items: start; }
.contact-method { display: flex; gap: 1rem; align-items: flex-start; padding: 1.1rem 0; border-bottom: 1px solid var(--stone-dark); }
.contact-icon { font-size: 1.1rem; color: var(--teal); width: 1.4rem; flex-shrink: 0; }
.contact-method h3 { font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.04em; font-family: var(--font-body); margin-bottom: 0.25rem; text-transform: uppercase; }
.contact-method a { font-size: 0.9rem; color: var(--ink-light); }
.contact-method a:hover { color: var(--teal); }
.contact-form-wrap h2 { font-family: var(--font-display); font-size: 1.9rem; font-weight: 400; margin-bottom: 0.4rem; }
.contact-hint { font-size: 0.875rem; font-style: italic; color: var(--muted-light); margin-bottom: 2rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 0.45rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.8rem 0.9rem; border: 1px solid var(--stone-dark);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9375rem;
  color: var(--ink); background: var(--parchment); transition: border-color var(--transition); appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--teal); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A9EA3' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
/* FOOTER */
.site-footer { background: var(--ink); color: rgba(242,237,230,0.45); padding: 3rem 0; }
.footer-inner { max-width: 1160px; margin: 0 auto; padding: 0 2rem; display: flex; flex-direction: column; align-items: center; gap: 0.9rem; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-display); font-size: 1.1rem; color: var(--parchment); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.8125rem; color: rgba(242,237,230,0.4); transition: color var(--transition); }
.footer-links a:hover { color: var(--teal); }
.footer-copy { font-size: 0.775rem; opacity: 0.4; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .apt-body { grid-template-columns: 1fr; gap: 2.5rem; }
  .apt-sidebar { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--parchment); flex-direction: column; padding: 2rem; gap: 1.5rem; border-bottom: 1px solid var(--stone-dark); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .section { padding: 4rem 0; }
  .apartments-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .apt-hero-content { left: 1.25rem; right: 1.25rem; }
  .apt-body { padding: 2.5rem 1.25rem; }
}