/* Manoir du Chastenay, v1. Palette from Brand Strategy v0, section 6. */
:root {
  --calcaire: #E4D8C4;
  --papier: #F4EEE3;
  --pierre: #CDB598;
  --tuile: #A0674A;
  --tuile-fonce: #85523A;
  --ardoise: #3F444B;
  --bois: #6E6659;
  --feuillage: #4E5A35;
  --ciel: #B9C6CF;
  --ligne: #D6C8B0;
  --serif: "EB Garamond", Garamond, Georgia, serif;
  --sans: "Work Sans", system-ui, sans-serif;
  --mesure: 40rem;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papier); color: var(--ardoise);
  font-family: var(--serif); font-size: 1.2rem; line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--tuile-fonce); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--ardoise); }
h1, h2, h3 { font-weight: 400; line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(2.3rem, 6vw, 3.6rem); letter-spacing: .01em; }
h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
sup { font-size: .7em; line-height: 0; vertical-align: .45em; }

.caption, .kicker, nav, .btn, label, .meta, footer {
  font-family: var(--sans); font-size: .78rem; letter-spacing: .08em;
}
.kicker { text-transform: uppercase; color: var(--bois); margin-bottom: 1rem; display: block; }
.caption { color: var(--bois); margin-top: .5rem; letter-spacing: .04em; }

/* Header */
header.site {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 3rem); border-bottom: 1px solid var(--ligne);
  background: var(--papier); position: relative; z-index: 2;
}
.wordmark { font-family: var(--serif); font-size: 1.35rem; text-decoration: none; color: var(--ardoise); white-space: nowrap; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem 1.4rem; text-transform: uppercase; }
nav a { color: var(--ardoise); text-decoration: none; padding: .3rem 0; border-bottom: 1px solid transparent; }
nav a:hover, nav a[aria-current="page"] { border-bottom-color: var(--tuile); }
nav .lang a { color: var(--bois); }
.menu-toggle { display: none; }
@media (max-width: 860px) {
  .menu-toggle {
    display: block; background: none; border: 1px solid var(--ligne); color: var(--ardoise);
    font-family: var(--sans); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; padding: .5rem .8rem;
  }
  nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--papier); border-bottom: 1px solid var(--ligne); padding: 1rem; }
  nav.open { display: block; }
  nav ul { flex-direction: column; gap: .6rem; }
}

/* Layout */
main { display: block; }
.section { padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 3rem); }
.section.alt { background: var(--calcaire); }
/* Sur fond calcaire, « bois » descend sous 4,5:1 (WCAG AA) : teinte plus foncée */
.section.alt, .rx-form { --bois: #5E574B; }
.narrow { max-width: var(--mesure); margin: 0 auto; }
.wide { max-width: 72rem; margin: 0 auto; }
.lead { font-size: clamp(1.3rem, 2.6vw, 1.6rem); line-height: 1.45; }

/* Hero */
.hero { position: relative; min-height: min(88vh, 52rem); display: flex; align-items: flex-end; color: #fff; }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 40% 40%; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(40,36,30,.78), rgba(40,36,30,.25) 60%, rgba(40,36,30,.05)); }
.hero .inner { position: relative; z-index: 1; padding: clamp(1.5rem, 5vw, 4rem); max-width: 50rem; }
.hero .kicker { color: rgba(255,255,255,.85); }
.hero p { font-size: clamp(1.2rem, 2.4vw, 1.5rem); line-height: 1.4; margin: 0; }
.page-head { padding: clamp(3rem, 8vw, 5.5rem) clamp(1rem, 4vw, 3rem) 1rem; }

/* Doors */
.doors { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 1px; background: var(--ligne); border: 1px solid var(--ligne); }
.door { background: var(--papier); padding: 2rem 1.6rem 2.2rem; text-decoration: none; color: var(--ardoise); display: block; }
.door:hover { background: #fff8ee; }
.door h3 { margin-bottom: .4rem; }
.door p { margin: 0 0 1.2rem; }
.door .more { font-family: var(--sans); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--tuile-fonce); }

/* Figures */
figure { margin: 0; }
.figure-wide img { width: 100%; max-height: 34rem; object-fit: cover; object-position: center 25%; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
/* Accueil : bloc pleine largeur entre deux rangées de cases, même cadre */
.doors + .feature, .feature + .doors { border-top: 0; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ligne); border: 1px solid var(--ligne); }
.feature > * { background: var(--papier); }
.feature figure { display: flex; flex-direction: column; }
.feature figure img { flex: 1 1 0; height: 0; min-height: 22rem; width: 100%; object-fit: cover; display: block; }
.feature > div > :last-child { margin-bottom: 0; }
.feature > div { padding: 2rem 1.6rem 2.2rem; display: flex; flex-direction: column; justify-content: center; }
@media (max-width: 760px) { .doors { grid-auto-flow: row; } .feature { grid-template-columns: 1fr; } .feature figure img { flex: none; height: auto; min-height: 0; aspect-ratio: 4 / 3; } }

/* Know / look for */
.known strong { font-weight: 500; color: var(--tuile-fonce); }
.known .src { display: block; font-family: var(--sans); font-size: .74rem; letter-spacing: .04em; color: var(--bois); margin-top: .3rem; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: .9rem 0; border-top: 1px solid var(--ligne); }
.timeline .date { font-family: var(--sans); font-size: .9rem; letter-spacing: .04em; color: var(--tuile-fonce); padding-top: .2rem; }
@media (max-width: 520px) { .timeline li { grid-template-columns: 1fr; gap: .1rem; } }

.plain { padding-left: 1.1rem; }
.plain li { margin-bottom: .5rem; }
.principles { list-style: none; padding: 0; margin: 0; counter-reset: p; }
.principles li { padding: 1rem 0 1rem 2.4rem; border-top: 1px solid var(--ligne); position: relative; }
.principles li::before { counter-increment: p; content: counter(p); position: absolute; left: 0; top: 1rem; font-family: var(--sans); font-size: .8rem; color: var(--tuile-fonce); }

.note { border-left: 2px solid var(--tuile); padding: .2rem 0 .2rem 1.2rem; color: var(--bois); }
.sources li { font-size: 1rem; margin-bottom: .6rem; }

/* Events */
.events { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.5rem; }
.event { border-top: 2px solid var(--ardoise); padding-top: 1rem; }
.event .meta { text-transform: uppercase; color: var(--tuile-fonce); display: block; margin-bottom: .5rem; }

/* Form */
form { display: grid; gap: 1.1rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
label { display: block; text-transform: uppercase; color: var(--bois); margin-bottom: .35rem; }
input, select, textarea {
  width: 100%; font: inherit; font-size: 1.05rem; color: var(--ardoise);
  background: #fffaf2; border: 1px solid var(--ligne); border-radius: 2px; padding: .65rem .75rem;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--tuile); outline-offset: 1px; }
textarea { min-height: 9rem; resize: vertical; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-family: var(--serif); font-size: 1rem; text-transform: none; letter-spacing: 0; color: var(--ardoise); }
.check input { width: auto; margin-top: .35rem; }
.btn {
  display: inline-block; background: var(--tuile); color: #fff; border: 0; border-radius: 2px;
  padding: .95rem 1.6rem; text-transform: uppercase; text-decoration: none; cursor: pointer; justify-self: start;
}
.btn:hover { background: var(--tuile-fonce); color: #fff; }
.form-note { font-size: .95rem; color: var(--bois); }

/* Réceptions */
.rx-intro { padding-top: 1rem; padding-bottom: clamp(2rem, 5vw, 3rem); }
.rx-mosaic-wrap { padding: 0 clamp(1rem, 4vw, 3rem); }
.rx-mosaic { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 18rem 18rem; gap: 4px; }
.rx-mosaic figure { position: relative; overflow: hidden; }
.rx-mosaic figure:first-child { grid-row: span 2; }
.rx-mosaic figure:nth-child(4) { grid-column: span 2; }
.rx-mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.rx-mosaic figure:hover img { transform: scale(1.03); }
.rx-mosaic figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 2.2rem 1rem .9rem; color: #fff; background: linear-gradient(to top, rgba(40,36,30,.78), rgba(40,36,30,0)); }
.rx-mosaic figcaption b { font-weight: 400; font-size: 1.5rem; display: block; line-height: 1.1; }
.rx-mosaic figcaption span { font-family: var(--sans); font-size: .78rem; letter-spacing: .04em; }
@media (max-width: 760px) { .rx-mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: 16rem 11rem 11rem; } .rx-mosaic figure:first-child { grid-row: auto; grid-column: span 2; } }
@media (prefers-reduced-motion: reduce) { .rx-mosaic img { transition: none; } }
.rx-kinds { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1px; background: var(--ligne); border: 1px solid var(--ligne); }
.rx-kinds article { background: var(--papier); padding: 2rem 1.6rem 2.2rem; display: flex; flex-direction: column; gap: .8rem; }
.rx-kinds h3 { margin: 0; font-size: 1.7rem; }
.rx-kinds ul { margin: 0; padding-left: 1.1rem; font-size: 1.05rem; flex: 1; }
.rx-kinds li { margin-bottom: .3rem; }
.rx-kinds .more { font-family: var(--sans); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.rx-band { background: var(--feuillage); color: var(--calcaire); padding: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 4vw, 3rem); }
.rx-band h2 { color: var(--papier); margin-bottom: 2.2rem; }
.rx-band-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem clamp(2rem, 6vw, 5rem); }
.rx-band-grid > div { border-top: 1px solid rgba(228, 216, 196, .35); padding-top: 1.2rem; }
.rx-band b { font-weight: 400; font-size: 1.5rem; display: block; color: var(--papier); margin-bottom: .5rem; line-height: 1.2; }
.rx-band p { font-size: 1.08rem; margin: 0; max-width: 32rem; }
@media (max-width: 760px) { .rx-band-grid { grid-template-columns: 1fr; gap: 2rem; } }
.rx-enquire { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.rx-enquire aside img { margin-top: 1.5rem; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.rx-form { background: var(--calcaire); padding: clamp(1.3rem, 4vw, 2.2rem); }
@media (max-width: 760px) { .rx-enquire { grid-template-columns: 1fr; } }

/* Footer */
footer { background: var(--ardoise); color: var(--calcaire); padding: 2.5rem clamp(1rem, 4vw, 3rem); letter-spacing: .04em; line-height: 1.8; }
footer a { color: var(--calcaire); }
footer .wordmark { color: #fff; font-size: 1.3rem; display: block; margin-bottom: .6rem; letter-spacing: 0; }
footer .cols { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; }