/* ============================================================
   BLEU DE CHINE · Concept store mode (Valognes)
   Design system · « élégance éditoriale indigo »
   Indigo profond + écru/crème + doré · Cormorant / Jost
   ============================================================ */

:root {
  --indigo:     #1c2c4c;   /* indigo profond */
  --indigo-2:   #223657;
  --indigo-3:   #28406b;
  --blue-soft:  #5e7bb0;   /* bleu lavé */
  --gold:       #b08d4e;   /* doré raffiné */
  --gold-br:    #c79f5b;
  --ecru:       #f4ede0;   /* écru / crème */
  --ecru-2:     #ece1cf;
  --white:      #fbf7ee;
  --text:       #232a36;
  --text-muted: #5d6473;
  --text-inv:   #ece4d6;
  --text-inv-muted: #b9c1d4;
  --line:       #e2d8c6;
  --line-ink:   rgba(255,255,255,.15);

  --step--1: clamp(0.84rem, 0.80rem + 0.18vw, 0.94rem);
  --step-0:  clamp(1.02rem, 0.98rem + 0.26vw, 1.16rem);
  --step-1:  clamp(1.26rem, 1.12rem + 0.6vw, 1.6rem);
  --step-2:  clamp(1.7rem, 1.4rem + 1.2vw, 2.4rem);
  --step-3:  clamp(2.2rem, 1.7rem + 2.2vw, 3.6rem);
  --step-4:  clamp(2.9rem, 2.0rem + 4.0vw, 5.6rem);

  --font-title: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body:  "Jost", "Century Gothic", system-ui, sans-serif;

  --space-xs: .5rem; --space-s: 1rem; --space-m: 1.75rem; --space-l: 3rem; --space-xl: 5.25rem;
  --radius: 8px; --radius-lg: 16px;
  --shadow:    0 26px 60px -28px rgba(18,26,46,.55);
  --shadow-sm: 0 12px 30px -18px rgba(18,26,46,.5);
  --transition: .25s cubic-bezier(.2,.7,.3,1);
  --header-h: 78px; --maxw: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; font-family: var(--font-body); font-size: var(--step-0); line-height: 1.75;
  color: var(--text); background: var(--ecru); -webkit-font-smoothing: antialiased; overflow-x: hidden;
  font-weight: 400; letter-spacing: .005em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-title); font-weight: 600; line-height: 1.06; margin: 0; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--gold-br); outline-offset: 2px; border-radius: 3px; }

.container { width: min(100% - 2.4rem, var(--maxw)); margin-inline: auto; }
.section { padding-block: var(--space-xl); }
.section--tight { padding-block: var(--space-l); }
.section--ink { background: var(--indigo); color: var(--text-inv); }
.section--paper2 { background: var(--ecru-2); }

/* texture tissu indigo discrète sur les fonds indigo */
.ink-tex {
  background-color: var(--indigo);
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.028) 0 1px, transparent 1px 7px);
  background-size: 7px 7px;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .65rem; text-transform: uppercase;
  letter-spacing: .32em; font-family: var(--font-body); font-weight: 500; font-size: var(--step--1); color: var(--gold);
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--gold); }
.section--ink .eyebrow { color: var(--gold-br); }
.section--ink .eyebrow::before { background: var(--gold-br); }
.section-title { margin-top: .7rem; max-width: 22ch; }
.lead { color: var(--text-muted); max-width: 60ch; margin-top: var(--space-s); font-size: var(--step-1); line-height: 1.55; }
.section--ink .lead { color: var(--text-inv-muted); }

/* boutons */
.btn {
  display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-body); font-weight: 500;
  font-size: var(--step--1); letter-spacing: .14em; text-transform: uppercase; padding: .85em 1.7em; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; transition: var(--transition); line-height: 1; white-space: nowrap;
}
.btn--primary { background: var(--indigo); color: var(--ecru); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--indigo-3); transform: translateY(-2px); }
.btn--ghost { border-color: currentColor; color: inherit; }
.btn--ghost:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn--gold { background: var(--gold); color: #fff; box-shadow: var(--shadow-sm); }
.btn--gold:hover { background: var(--gold-br); transform: translateY(-2px); }
.btn--lg { font-size: var(--step-0); padding: .95em 1.9em; }
.btn svg { width: 1.1em; height: 1.1em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(244,237,224,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 1rem; }
.brand { display: flex; align-items: center; }
.brand__logo { height: 52px; width: auto; display: block; }
.primary-nav { display: flex; align-items: center; gap: 1.7rem; }
.primary-nav ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.primary-nav a:not(.btn) { font-family: var(--font-body); font-weight: 500; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; color: var(--indigo); position: relative; padding-block: .3rem; }
.primary-nav a.btn--primary { color: var(--ecru); }
.primary-nav a.btn--primary:hover { color: #fff; }
.primary-nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px; background: var(--gold); transition: width var(--transition); }
.primary-nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 46px; height: 46px; padding: 10px; }
.nav-toggle span { display: block; height: 2.5px; background: var(--indigo); border-radius: 3px; margin: 5px 0; transition: var(--transition); }
@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .primary-nav { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; background: var(--ecru); border-bottom: 1px solid var(--line); padding: var(--space-s) 1.2rem var(--space-m); gap: var(--space-s); transform: translateY(-130%); transition: transform var(--transition); box-shadow: var(--shadow); }
  .primary-nav.is-open { transform: translateY(0); }
  .primary-nav ul { flex-direction: column; gap: .25rem; }
  .primary-nav li a { display: block; padding: .7rem .2rem; border-bottom: 1px solid var(--line); }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

/* hero */
.hero { position: relative; color: var(--text-inv); overflow: hidden; background: var(--indigo); }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(96deg, rgba(18,26,46,.94) 0%, rgba(18,26,46,.8) 44%, rgba(18,26,46,.42) 100%), linear-gradient(0deg, rgba(18,26,46,.72) 0%, rgba(18,26,46,0) 55%); }
.hero__inner { position: relative; z-index: 2; max-width: 780px; padding-block: clamp(3.8rem, 8.5vw, 7.5rem); }
.hero__eyebrow { display: inline-flex; align-items: center; gap: .6rem; background: rgba(176,141,78,.16); color: var(--gold-br); border: 1px solid rgba(176,141,78,.45); padding: .5rem 1.1rem; border-radius: 999px; font-family: var(--font-body); font-weight: 500; font-size: var(--step--1); letter-spacing: .22em; text-transform: uppercase; }
.hero h1 { margin-top: var(--space-s); font-weight: 600; }
.hero h1 .accent { color: var(--gold-br); font-style: italic; }
.hero__lead { font-size: var(--step-1); color: var(--text-inv-muted); margin-top: var(--space-s); max-width: 52ch; line-height: 1.55; }
.hero__cta { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: var(--space-m); }

/* bandeau réassurance */
.assure { background: var(--indigo-2); color: var(--text-inv); }
.assure__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.assure__grid > div { display: flex; align-items: center; gap: .85rem; padding: 1.25rem 1.1rem; }
.assure__grid > div + div { border-left: 1px solid var(--line-ink); }
.assure svg { width: 30px; height: 30px; flex: none; color: var(--gold-br); }
.assure b { font-family: var(--font-title); font-weight: 600; font-size: 1.18rem; display: block; line-height: 1.15; }
.assure span { font-size: var(--step--1); color: var(--text-inv-muted); letter-spacing: .02em; }
@media (max-width: 860px) { .assure__grid { grid-template-columns: repeat(2, 1fr); } .assure__grid > div:nth-child(3) { border-left: 0; } .assure__grid > div { border-top: 1px solid var(--line-ink); } .assure__grid > div:nth-child(-n+2) { border-top: 0; } }
@media (max-width: 480px) { .assure__grid { grid-template-columns: 1fr; } .assure__grid > div + div { border-left: 0; } }

/* cartes univers */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: var(--space-m); margin-top: var(--space-l); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--gold); }
.card__media { aspect-ratio: 4 / 5; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: var(--space-m); display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card h3 { color: var(--indigo); }
.card p { color: var(--text-muted); font-size: .98rem; }
.card__link { margin-top: auto; padding-top: .7rem; color: var(--gold); font-family: var(--font-body); font-weight: 500; font-size: var(--step--1); letter-spacing: .12em; text-transform: uppercase; display: inline-flex; gap: .4rem; }
.card:hover .card__link { gap: .8rem; }

/* citation / manifeste */
.quote { max-width: 40ch; }
.quote blockquote { font-family: var(--font-title); font-weight: 500; font-size: var(--step-2); font-style: italic; line-height: 1.28; margin: 0; color: #fff; }
.quote cite { display: block; margin-top: var(--space-s); font-style: normal; font-size: var(--step--1); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-br); }

/* split (à propos) */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-l); align-items: center; }
.about-photo { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-caption { font-size: var(--step--1); color: var(--text-muted); margin-top: .6rem; font-style: italic; }
.checks { list-style: none; padding: 0; margin: var(--space-m) 0 0; display: grid; gap: .85rem; }
.checks li { position: relative; padding-left: 32px; }
.checks li svg { position: absolute; left: 0; top: 5px; width: 22px; height: 22px; color: var(--gold); }
.checks strong { color: var(--indigo); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: var(--space-m); } }

/* infos pratiques */
.infos { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-l); align-items: center; }
.infos__list { list-style: none; padding: 0; margin: var(--space-m) 0 0; display: grid; gap: 1.1rem; }
.infos__list li { position: relative; padding-left: 36px; }
.infos__list li svg { position: absolute; left: 0; top: 2px; width: 24px; height: 24px; color: var(--gold-br); }
.infos__list b { font-family: var(--font-title); font-weight: 600; font-size: 1.2rem; color: #fff; display: block; }
.infos__list span { color: var(--text-inv-muted); }
.map { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-ink); }
.map iframe { width: 100%; height: 340px; border: 0; display: block; filter: grayscale(.2) contrast(1.02); }
@media (max-width: 860px) { .infos { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 820px; margin-top: var(--space-l); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { font-family: var(--font-title); font-weight: 600; font-size: var(--step-1); cursor: pointer; list-style: none; padding: var(--space-s) 2.2rem var(--space-s) 0; position: relative; color: var(--indigo); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .3rem; top: 50%; transform: translateY(-50%); font-size: 1.7rem; color: var(--gold); font-family: var(--font-body); }
.faq details[open] summary { color: var(--gold); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: var(--space-s); color: var(--text-muted); margin-top: -.2rem; }

/* CTA */
.cta-final { text-align: center; }
.cta-final .hero__cta { justify-content: center; }
.cta-final .lead { margin-inline: auto; }

/* footer */
.site-footer { background: #161f33; color: var(--text-inv); padding-block: var(--space-l) var(--space-m); }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: var(--space-l); }
.site-footer h3 { font-family: var(--font-body); font-size: .82rem; text-transform: uppercase; letter-spacing: .2em; font-weight: 500; color: var(--gold-br); margin-bottom: var(--space-s); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a:hover { color: var(--gold-br); }
.site-footer address { font-style: normal; line-height: 2; color: var(--text-inv-muted); }
.site-footer address a { color: var(--text-inv); }
.site-footer__brand p { color: var(--text-inv-muted); margin-top: var(--space-s); max-width: 40ch; }
.site-footer__legal { border-top: 1px solid var(--line-ink); margin-top: var(--space-m); padding-top: var(--space-s); color: var(--text-inv-muted); font-size: var(--step--1); }
@media (max-width: 860px) { .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-m); } }

/* barre mobile */
.mobile-bar { display: none; }
@media (max-width: 680px) {
  .mobile-bar { display: grid; grid-template-columns: 1fr 1fr; position: fixed; inset: auto 0 0 0; z-index: 90; background: var(--indigo); box-shadow: 0 -8px 24px -12px rgba(0,0,0,.5); }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; gap: .5rem; padding: .9rem; color: #fff; font-family: var(--font-body); font-weight: 500; font-size: .9rem; letter-spacing: .06em; }
  .mobile-bar a + a { border-left: 1px solid var(--line-ink); }
  .mobile-bar a.is-mail { background: var(--gold); }
  body { padding-bottom: 60px; }
}

/* pages internes */
.breadcrumb { font-size: var(--step--1); color: var(--text-inv-muted); padding-block: var(--space-s); letter-spacing: .04em; }
.breadcrumb a:hover { color: var(--gold-br); }
.breadcrumb [aria-current] { color: var(--text-inv); }
.page-hero { position: relative; overflow: hidden; color: var(--text-inv); background: var(--indigo); }
.page-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(96deg, rgba(18,26,46,.93) 0%, rgba(18,26,46,.8) 58%, rgba(18,26,46,.5) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero__inner { padding-block: var(--space-s) var(--space-xl); max-width: 760px; }
.page-hero h1 { margin-top: var(--space-s); }
.page-hero p { color: var(--text-inv-muted); font-size: var(--step-1); margin-top: var(--space-s); max-width: 54ch; line-height: 1.55; }

.body-2col { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-l); align-items: start; }
.prose > * + * { margin-top: var(--space-s); }
.prose h2 { color: var(--indigo); margin-top: var(--space-m); font-size: var(--step-2); }
.prose p { color: var(--text); }
.prose ul { padding-left: 0; list-style: none; }
.prose ul li { position: relative; padding-left: 28px; margin-top: .55rem; color: var(--text-muted); }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: .7em; width: 8px; height: 8px; border: 1.5px solid var(--gold); border-radius: 50%; }
.prose strong { color: var(--indigo); }
.aside-card { position: sticky; top: calc(var(--header-h) + 1rem); background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: var(--radius-lg); padding: var(--space-m); display: grid; gap: .85rem; box-shadow: var(--shadow-sm); }
.aside-card h3 { color: var(--indigo); }
.aside-card p { color: var(--text-muted); font-size: var(--step--1); }
.aside-card .btn { justify-content: center; }
@media (max-width: 860px) { .body-2col { grid-template-columns: 1fr; } .aside-card { position: static; } }

/* galerie / éditorial pages internes */
.edito-img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); margin-top: var(--space-m); aspect-ratio: 16/10; object-fit: cover; }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-l); align-items: start; }
.contact__info .row { display: flex; gap: .7rem; align-items: center; padding: .5rem 0; }
.contact__info .row svg { width: 22px; height: 22px; color: var(--gold); flex: none; }
.form { display: grid; gap: var(--space-s); background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-m); box-shadow: var(--shadow-sm); }
.form .field { display: grid; gap: .35rem; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-s); }
.form label { font-family: var(--font-body); font-weight: 500; color: var(--indigo); font-size: var(--step--1); letter-spacing: .04em; }
.form input, .form select, .form textarea { font-family: var(--font-body); font-size: var(--step-0); padding: .7rem .85rem; border: 1px solid var(--line); border-radius: 8px; background: var(--ecru); color: var(--text); width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--gold); outline: none; box-shadow: 0 0 0 3px rgba(176,141,78,.2); }
.form textarea { min-height: 130px; resize: vertical; }
.form .hint { font-size: var(--step--1); color: var(--text-muted); font-style: italic; }
.form .consent { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--step--1); color: var(--text-muted); }
.form .consent input { width: auto; margin-top: .3rem; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } .form .row2 { grid-template-columns: 1fr; } }

/* légal / 404 */
.legal { max-width: 75ch; }
.legal h2 { color: var(--indigo); margin-top: var(--space-m); font-size: var(--step-1); }
.legal p, .legal ul { margin-top: var(--space-s); color: var(--text-muted); }
.legal ul { padding-left: 1.2rem; }
.error-page { text-align: center; padding-block: var(--space-xl); }
.error-page .code { font-family: var(--font-title); font-size: var(--step-4); color: var(--gold-br); font-style: italic; }

/* reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

.demo-flag { background: #161f33; color: var(--text-inv-muted); text-align: center; font-size: .78rem; padding: .35rem 1rem; letter-spacing: .05em; }
.demo-flag b { color: var(--gold-br); }

/* ---------- Figure illustrative (pages internes) ---------- */
.prose-figure { margin: 1.8rem 0 0; border-radius: 14px; overflow: hidden; border: 1px solid rgba(0,0,0,.14); box-shadow: 0 12px 30px -18px rgba(0,0,0,.45); }
.prose-figure img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.prose-figure figcaption { font-size: .9rem; color: #6b6b6b; padding: .55rem .85rem; background: rgba(0,0,0,.05); font-style: italic; }