/* =========================================================
   CMP34 — Castellas Montpeyroux 34 et son Patrimoine
   Charte visuelle : Patrimoine & Élégant
   ========================================================= */

/* ---------- 1. Tokens de design ---------- */
:root{
  /* Palette pierre & garrigue */
  --color-stone-50:  #FAF6EE;
  --color-stone-100: #F2EADC;
  --color-stone-200: #E5D9C2;
  --color-stone-300: #CDBC9A;
  --color-stone-700: #4A4036;
  --color-stone-900: #2A2520;

  --color-terracotta-700: #8B3A2D;   /* accent principal */
  --color-terracotta-500: #B85B43;
  --color-terracotta-300: #D69378;

  --color-garrigue-700: #3F4F32;
  --color-garrigue-500: #6E8559;
  --color-garrigue-300: #A4B68F;

  --color-gold:    #B89455;
  --color-night:   #1F3A4D;

  --color-text:        var(--color-stone-900);
  --color-text-soft:   var(--color-stone-700);
  --color-bg:          var(--color-stone-50);
  --color-bg-alt:      var(--color-stone-100);
  --color-bg-dark:     var(--color-stone-900);
  --color-line:        rgba(74, 64, 54, 0.18);

  /* Typographies */
  --font-serif: "Cormorant Garamond", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Échelles */
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 9rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-soft:   0 6px 24px rgba(42, 37, 32, 0.08);
  --shadow-strong: 0 18px 48px rgba(42, 37, 32, 0.18);

  --container: 1200px;
  --container-narrow: 880px;

  --transition-base: 220ms cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. Reset léger ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg,picture,video{ max-width:100%; display:block; }
a{ color: var(--color-terracotta-700); text-decoration: none; transition: color var(--transition-base); }
a:hover{ color: var(--color-terracotta-500); }
button{ font:inherit; cursor:pointer; }
::selection{ background: var(--color-terracotta-700); color:#fff; }

/* ---------- 3. Typographie ---------- */
h1,h2,h3,h4{
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-stone-900);
  line-height: 1.15;
  margin: 0 0 var(--space-3);
}
h1{ font-size: clamp(2.4rem, 5vw + 1rem, 4.8rem); font-weight:500; }
h2{ font-size: clamp(2rem, 3vw + 1rem, 3.2rem); }
h3{ font-size: clamp(1.4rem, 1.4vw + 1rem, 1.9rem); }
h4{ font-size: 1.2rem; font-weight:600; }
p{ margin: 0 0 var(--space-3); }
.lede{ font-size: 1.25rem; line-height: 1.55; color: var(--color-text-soft); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-terracotta-700);
  margin: 0 0 var(--space-3);
}
.eyebrow::before{
  content:""; width:32px; height:1px; background: currentColor; opacity:.7;
}

blockquote{
  margin: 0;
  padding: var(--space-4) 0 var(--space-4) var(--space-4);
  border-left: 3px solid var(--color-terracotta-700);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.4;
  color: var(--color-text-soft);
}
blockquote cite{
  display:block; margin-top: var(--space-3);
  font-family: var(--font-sans); font-size: .85rem; font-style: normal;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--color-terracotta-700);
}

/* ---------- 4. Layout helpers ---------- */
.container{ width: min(100% - 2.5rem, var(--container)); margin-inline:auto; }
.container--narrow{ width: min(100% - 2.5rem, var(--container-narrow)); margin-inline:auto; }
.section{ padding: var(--space-7) 0; }
.section--tight{ padding: var(--space-6) 0; }
.section--alt{ background: var(--color-bg-alt); }
.section--dark{ background: var(--color-bg-dark); color: var(--color-stone-100); }
.section--dark h1, .section--dark h2, .section--dark h3{ color:#fff; }
.section--dark .eyebrow{ color: var(--color-terracotta-300); }
.section--dark a{ color: var(--color-terracotta-300); }
.section--dark a:hover{ color: #fff; }

.grid{ display:grid; gap: var(--space-4); }
@media (min-width:720px){
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--gold-text{ grid-template-columns: 1.1fr 1fr; gap: var(--space-6); align-items:center; }
}

.text-center{ text-align:center; }
.divider{
  width: 60px; height: 2px; background: var(--color-terracotta-700);
  border:0; margin: var(--space-3) auto;
}
.divider--left{ margin-left:0; }

/* ---------- 5. Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding: .85em 1.6em;
  font-family: var(--font-sans); font-size:.92rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor:pointer;
}
.btn--primary{
  background: var(--color-terracotta-700); color:#fff;
}
.btn--primary:hover{ background: var(--color-stone-900); color:#fff; }
.btn--ghost{
  background: transparent; color: var(--color-stone-900);
  border-color: var(--color-stone-900);
}
.btn--ghost:hover{ background: var(--color-stone-900); color:#fff; }
.btn--ghost-light{
  background: transparent; color:#fff; border-color: rgba(255,255,255,.55);
}
.btn--ghost-light:hover{ background:#fff; color: var(--color-stone-900); }
.btn--block{ width:100%; justify-content:center; }
.btn .arrow{ transition: transform var(--transition-base); }
.btn:hover .arrow{ transform: translateX(4px); }

/* ---------- 6. En-tête / Navigation ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  padding: var(--space-3) 0;
  background: rgba(250, 246, 238, 0);
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}
.site-header.is-scrolled{
  background: rgba(250, 246, 238, .96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-line);
  padding: var(--space-2) 0;
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between; gap: var(--space-4);
}
.brand{
  display:flex; align-items:center; gap: var(--space-3);
  color: var(--color-stone-900);
  text-decoration: none;
}
.brand__logo{
  width: 64px; height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(42, 37, 32, 0.18));
}
.site-header.is-scrolled .brand__logo{ width: 56px; height: 56px; }
.brand__name{
  font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600; line-height:1.1;
  letter-spacing: .02em;
}
.brand__name small{
  display:block; font-family: var(--font-sans); font-size:.7rem; font-weight: 500;
  letter-spacing: .25em; text-transform: uppercase; color: var(--color-terracotta-700);
  margin-top:2px;
}

/* hero blanc → texte clair tant que pas scrollé */
.site-header:not(.is-scrolled) .brand,
.site-header:not(.is-scrolled) .nav__link{ color: #fff; }
.site-header:not(.is-scrolled) .brand__name small{ color: var(--color-terracotta-300); }

.nav{ display:flex; align-items:center; gap: var(--space-4); }
.nav__list{
  list-style:none; padding:0; margin:0;
  display:flex; gap: var(--space-4);
}
.nav__link{
  font-size: .9rem; font-weight: 500;
  color: var(--color-stone-900);
  position: relative; padding: .25em 0;
}
.nav__link::after{
  content:""; position:absolute; left:0; right:0; bottom:-3px; height:1px;
  background: var(--color-terracotta-700);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after{ transform: scaleX(1); }

.nav-toggle{
  display:none;
  background: none; border:0; padding: var(--space-2);
  color: inherit;
}
.nav-toggle svg{ width:28px; height:28px; }

@media (max-width: 880px){
  .nav-toggle{ display:inline-flex; }
  .nav{
    position: fixed; inset: 0 0 0 auto; width:min(80%, 360px);
    background: var(--color-bg);
    flex-direction: column; align-items: flex-start; justify-content:flex-start;
    padding: 6rem var(--space-4) var(--space-4);
    gap: var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-strong);
  }
  .nav.is-open{ transform: translateX(0); }
  .nav__list{ flex-direction: column; gap: var(--space-3); width:100%; }
  .nav__link{ font-size: 1.1rem; color: var(--color-stone-900); }
  .site-header:not(.is-scrolled) .nav__link{ color: var(--color-stone-900); }
}

/* ---------- 7. Hero ---------- */
.hero{
  position: relative; min-height: 100vh;
  display:grid; align-items:center;
  color: #fff;
  overflow: hidden;
}
.hero__media{
  position:absolute; inset:0; z-index:0;
}
.hero__media img{
  width:100%; height:100%; object-fit: cover;
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}
.hero__media::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(20,18,15,.55) 0%, rgba(20,18,15,.15) 35%, rgba(20,18,15,.75) 100%);
}
.hero__content{
  position: relative; z-index:1;
  padding: var(--space-8) 0 var(--space-7);
  max-width: 760px;
}
.hero__title{
  color:#fff; font-weight: 400;
  text-shadow: 0 2px 30px rgba(0,0,0,.35);
  margin-bottom: var(--space-4);
}
.hero__title em{ font-style: italic; color: var(--color-terracotta-300); }
.hero__lede{
  font-size: 1.25rem; line-height: 1.55;
  color: rgba(255,255,255,.92);
  max-width: 600px;
}
.hero__cta{
  margin-top: var(--space-4);
  display:flex; flex-wrap: wrap; gap: var(--space-3);
}
.hero__scroll{
  position:absolute; bottom: var(--space-4); left:50%; transform: translateX(-50%);
  font-size:.7rem; letter-spacing:.3em; text-transform:uppercase;
  color: rgba(255,255,255,.7);
  display:flex; flex-direction:column; align-items:center; gap:.5em;
  z-index:1;
}
.hero__scroll::after{
  content:""; width:1px; height:36px; background: rgba(255,255,255,.6);
  animation: scrollLine 1.6s ease-in-out infinite;
}
@keyframes scrollLine{
  0%,100%{ transform: scaleY(.4); transform-origin: top; }
  50%    { transform: scaleY(1); transform-origin: top; }
}

/* Hero compact pour pages internes */
.hero--compact{ min-height: 56vh; }
.hero--compact .hero__content{ padding: var(--space-7) 0 var(--space-5); }
.hero--compact .hero__title{ font-size: clamp(2.2rem, 3.5vw + 1rem, 3.6rem); }

/* ---------- 8. Sections de contenu ---------- */
.split{
  display:grid; gap: var(--space-5); align-items:center;
}
@media (min-width: 880px){
  .split{ grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .split--reverse > :first-child{ order: 2; }
}
.split__media{
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}
.split__media img{ aspect-ratio: 4/3; object-fit: cover; width:100%; }

/* Cartes */
.card{
  background:#fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display:flex; flex-direction:column;
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card__media{ aspect-ratio: 16/10; overflow:hidden; }
.card__media img{ width:100%; height:100%; object-fit: cover; transition: transform 600ms ease; }
.card:hover .card__media img{ transform: scale(1.05); }
.card__body{ padding: var(--space-4); flex:1; display:flex; flex-direction:column; }
.card__tag{
  font-size: .72rem; letter-spacing:.18em; text-transform: uppercase;
  color: var(--color-terracotta-700); font-weight:600;
  margin-bottom: var(--space-2);
}
.card__title{ font-size: 1.4rem; margin-bottom: var(--space-2); }
.card__excerpt{ color: var(--color-text-soft); font-size: .96rem; flex:1; }
.card__link{
  margin-top: var(--space-3);
  font-size: .82rem; letter-spacing:.18em; text-transform: uppercase; font-weight:600;
}

/* Statistiques */
.stats{
  display:grid; gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
@media (min-width:720px){ .stats{ grid-template-columns: repeat(4, 1fr); text-align:center; } }
.stat__value{
  font-family: var(--font-serif); font-size: 3rem; line-height:1;
  color: var(--color-terracotta-700);
}
.stat__label{
  font-size: .82rem; letter-spacing:.16em; text-transform: uppercase;
  color: var(--color-text-soft); margin-top: var(--space-2);
}

/* Timeline / Étapes */
.timeline{ position: relative; padding-left: var(--space-4); }
.timeline::before{
  content:""; position:absolute; left:7px; top:8px; bottom:8px; width:1px;
  background: var(--color-line);
}
.timeline__item{ position:relative; padding-bottom: var(--space-5); }
.timeline__item::before{
  content:""; position:absolute; left:-24px; top:6px; width:15px; height:15px;
  border-radius: 50%; background: var(--color-terracotta-700);
  box-shadow: 0 0 0 4px var(--color-bg);
}
.timeline__date{
  font-size:.82rem; letter-spacing:.16em; text-transform:uppercase;
  color: var(--color-terracotta-700); font-weight:600;
}
.timeline__title{ font-size: 1.4rem; margin: var(--space-1) 0 var(--space-2); }

/* Liste de personnes (bureau) */
.team{ display:grid; gap: var(--space-4); }
@media (min-width: 720px){ .team{ grid-template-columns: repeat(3, 1fr); } }
.team__item{
  background:#fff; padding: var(--space-4);
  border-radius: var(--radius-md); border: 1px solid var(--color-line);
  text-align:center;
}
.team__role{
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--color-terracotta-700); font-weight: 700;
}
.team__name{ font-family: var(--font-serif); font-size: 1.4rem; margin: var(--space-2) 0 0; }

/* Galerie photo */
.gallery{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2);
}
@media (min-width: 720px){ .gallery{ grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px){ .gallery{ grid-template-columns: repeat(4, 1fr); } }
.gallery__item{
  aspect-ratio: 1; overflow:hidden; border-radius: var(--radius-sm);
  position: relative;
}
.gallery__item img{
  width:100%; height:100%; object-fit: cover;
  transition: transform 600ms ease, filter 600ms ease;
  filter: saturate(.9);
}
.gallery__item:hover img{ transform: scale(1.06); filter: saturate(1.1); }
.gallery__item--wide{ grid-column: span 2; aspect-ratio: 2/1; }

/* Bandeau d'appel */
.cta-banner{
  position: relative;
  padding: var(--space-7) 0;
  color:#fff; text-align:center;
  background-image: url("../images/castellas-coucher-soleil.jpeg");
  background-size: cover; background-position: center;
  background-attachment: fixed;
}
.cta-banner::before{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(31,58,77,.65), rgba(20,18,15,.8));
}
.cta-banner > *{ position:relative; }
.cta-banner h2{ color:#fff; }

/* Partenaires */
.partners{
  display:grid; gap: var(--space-4); align-items:center;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width:720px){ .partners{ grid-template-columns: repeat(4, 1fr); } }
.partner{
  text-align:center;
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
}
.partner__name{ font-family: var(--font-serif); font-size: 1.2rem; }
.partner__role{
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--color-text-soft); margin-top: var(--space-1);
}

/* ---------- 9. Formulaires ---------- */
.form{
  display:grid; gap: var(--space-3);
}
.form__row{ display:grid; gap: var(--space-3); }
@media (min-width: 600px){ .form__row--2{ grid-template-columns: 1fr 1fr; } }
.form__field{ display:flex; flex-direction:column; gap: .35em; }
.form__field label{
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600; color: var(--color-text-soft);
}
.form__field input,
.form__field select,
.form__field textarea{
  font: inherit;
  padding: .8em 1em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background:#fff;
  color: var(--color-text);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus{
  outline: none;
  border-color: var(--color-terracotta-700);
  box-shadow: 0 0 0 3px rgba(139, 58, 45, .12);
}
.form__field textarea{ min-height: 140px; resize: vertical; }
.form__check{
  display:flex; align-items:flex-start; gap:.6em;
  font-size: .92rem; color: var(--color-text-soft);
}
.form__check input{ margin-top: .35em; }
.form__radio-group{
  display:grid; gap: var(--space-2);
}
.form__radio{
  display:flex; align-items:flex-start; gap:.7em;
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  cursor:pointer;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.form__radio:hover{ border-color: var(--color-terracotta-300); }
.form__radio input{ margin-top:.4em; }
.form__radio-title{ font-weight: 600; }
.form__radio-meta{ font-size: .9rem; color: var(--color-text-soft); }
.form__price{
  margin-left:auto;
  font-family: var(--font-serif);
  font-size: 1.6rem; color: var(--color-terracotta-700);
}

/* Boîte info */
.info-box{
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-terracotta-700);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.info-box h4{ margin-top:0; }

/* ---------- 10. Footer ---------- */
.site-footer{
  background: var(--color-stone-900);
  color: var(--color-stone-100);
  padding: var(--space-6) 0 var(--space-3);
}
.site-footer h4{
  color: #fff;
  font-family: var(--font-sans);
  font-size: .82rem; letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.site-footer a{ color: var(--color-stone-200); }
.site-footer a:hover{ color: var(--color-terracotta-300); }
.site-footer ul{ list-style:none; padding:0; margin:0; display:grid; gap: .5em; }

.footer-grid{ display:grid; gap: var(--space-5); }
@media (min-width: 720px){ .footer-grid{ grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

.footer-brand p{ font-size: .95rem; color: rgba(255,255,255,.78); }
.footer-brand .brand{ color:#fff; margin-bottom: var(--space-3); }
.footer-brand .brand__name{ color:#fff; }

.footer-bottom{
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: space-between;
  font-size: .82rem; color: rgba(255,255,255,.6);
}
.footer-bottom__links{ display:flex; gap: var(--space-3); flex-wrap: wrap; }
.footer-bottom__links a{ color: rgba(255,255,255,.7); }

/* ---------- 11. Misc ---------- */
.tag-list{ display:flex; flex-wrap:wrap; gap: .5rem; }
.tag-list span{
  padding: .35em .8em;
  background: var(--color-bg-alt); color: var(--color-text-soft);
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  border-radius: 999px;
}

.breadcrumb{
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.85);
  margin-bottom: var(--space-3);
}
.breadcrumb a{ color: inherit; opacity: .8; }
.breadcrumb a:hover{ opacity: 1; color:#fff; }
.breadcrumb span{ margin: 0 .5em; opacity:.6; }

/* Animations à l'apparition */
.reveal{
  opacity: 0; transform: translateY(24px);
  transition: opacity 800ms ease, transform 800ms ease;
}
.reveal.is-visible{ opacity: 1; transform: none; }

/* Préférences utilisateur */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .hero__media img{ animation: none; }
}

/* Print friendly */
@media print{
  .site-header, .site-footer, .hero__scroll, .nav-toggle{ display:none; }
  body{ background:#fff; }
  .hero{ min-height: auto; color: var(--color-text); }
  .hero__media{ display:none; }
}