/* asiama.fr — Design system "Cartel de musée / carnet de terrain" */

img { max-width: 100%; height: auto; display: block; }

:root {
  --indigo-profond: #23324A;
  --encre: #171D26;
  --papier: #F3ECDD;
  --papier-clair: #FAF6EC;
  --terre-cuite: #B5502E;
  --jade-mat: #5C7A63;
  --or-bronze: #9C7A3C;
  --texte: #23262B;
  --texte-clair: #F3ECDD;
  --bordure: #D9CFB8;

  --font-titre: 'Fraunces', Georgia, serif;
  --font-corps: 'Source Serif 4', Georgia, serif;
  --font-cartel: 'JetBrains Mono', monospace;

  --max-width: 1200px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papier);
  color: var(--texte);
  font-family: var(--font-corps);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--terre-cuite); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--terre-cuite);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--encre);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.2em; max-width: 68ch; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Cartel (dispositif de metadonnees signature) ---------- */
.cartel {
  font-family: var(--font-cartel);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--or-bronze);
  display: flex;
  gap: 0.5em;
  align-items: center;
  margin-bottom: 0.6em;
}
.cartel span:not(:last-child)::after { content: '\00B7'; margin-left: 0.5em; color: var(--bordure); }
.cartel--on-dark { color: var(--papier-clair); opacity: 0.85; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--bordure);
  background: var(--papier-clair);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.site-logo {
  font-family: var(--font-titre);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--encre);
  letter-spacing: -0.01em;
}
.site-logo span { color: var(--terre-cuite); }
.site-nav { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.site-nav a {
  color: var(--encre);
  font-size: 0.95rem;
  font-weight: 600;
}
.site-nav a:hover { color: var(--terre-cuite); text-decoration: none; }

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .site-header__inner { flex-wrap: wrap; }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--bordure);
    padding: 0.4rem 0.7rem;
    font-family: var(--font-cartel);
    font-size: 0.85rem;
    cursor: pointer;
  }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.8rem;
    padding-top: 0.8rem;
  }
  .site-nav.is-open { display: flex; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--encre);
  color: var(--texte-clair);
  margin-top: 4rem;
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}
.site-footer h4 { color: var(--papier-clair); font-size: 1rem; }
.site-footer a { color: var(--papier-clair); opacity: 0.85; }
.site-footer a:hover { opacity: 1; }
.site-footer__bottom {
  border-top: 1px solid rgba(243,236,221,0.15);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ---------- Wrappers anti-distorsion (regle reseau obligatoire) ---------- */
.img-hero, .img-card, .img-body, .img-portrait {
  overflow: hidden;
  position: relative;
  background: var(--bordure);
}
.img-hero { aspect-ratio: 16/9; }
.img-card { aspect-ratio: 3/2; }
.img-body { aspect-ratio: 3/2; }
.img-portrait { aspect-ratio: 1/1; border-radius: 50%; }

.img-hero img, .img-card img, .img-body img, .img-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* ---------- Hero (homepage + piliers) ---------- */
.hero {
  position: relative;
  aspect-ratio: 21/9;
  overflow: hidden;
  background: var(--indigo-profond);
}
.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(35,50,74,0.92) 0%, rgba(35,50,74,0.55) 55%, transparent 100%);
  padding: 3rem 1.5rem 2rem;
}
.hero__caption-inner { max-width: var(--max-width); margin: 0 auto; }
.hero__caption h1 { color: var(--papier-clair); margin-bottom: 0.3em; }

@media (max-width: 760px) {
  .hero { aspect-ratio: 4/5; }
}

/* ---------- Grille homepage (1 grand + 5 petits) ---------- */
.homepage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin: 3rem auto;
}
.homepage-grid .card:first-child {
  grid-column: 1 / -1;
}
.homepage-grid .card:first-child .img-card { aspect-ratio: 21/9; }

@media (max-width: 900px) {
  .homepage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .homepage-grid { grid-template-columns: 1fr; }
  .homepage-grid .card:first-child .img-card { aspect-ratio: 3/2; }
}

/* ---------- Card article ---------- */
.card { display: block; }
.card__figure { margin: 0 0 0.9rem; }
.card__title {
  font-size: 1.15rem;
  margin-bottom: 0.3em;
}
.card__title a { color: var(--encre); }
.card__title a:hover { color: var(--terre-cuite); }
.card__excerpt { font-size: 0.95rem; color: #4a4d52; margin-bottom: 0.4em; }
.card__date {
  font-family: var(--font-cartel);
  font-size: 0.78rem;
  color: var(--or-bronze);
}

/* ---------- Piliers listing ---------- */
.piliers-section {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
  margin: 3rem auto;
}
.piliers-nav {
  border-left: 2px solid var(--terre-cuite);
  padding-left: 1.2rem;
}
.piliers-nav a {
  display: block;
  padding: 0.5rem 0;
  color: var(--encre);
  font-weight: 600;
}
.piliers-nav a:hover { color: var(--terre-cuite); text-decoration: none; }
.pilier-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: center;
}
.pilier-card .img-card { aspect-ratio: 4/3; }

@media (max-width: 820px) {
  .piliers-section { grid-template-columns: 1fr; }
  .pilier-card { grid-template-columns: 1fr; }
}

/* ---------- Blog listing + filtres ---------- */
.blog-filters {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 2.5rem;
}
.blog-filters button {
  font-family: var(--font-cartel);
  font-size: 0.82rem;
  background: none;
  border: 1px solid var(--bordure);
  color: var(--encre);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  border-radius: var(--radius);
}
.blog-filters button.is-active,
.blog-filters button:hover {
  background: var(--terre-cuite);
  border-color: var(--terre-cuite);
  color: var(--papier-clair);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .blog-grid { grid-template-columns: 1fr; } }

/* ---------- Article body ---------- */
.article-header { max-width: 760px; margin: 2.5rem auto 0; }
.article-body {
  max-width: 760px;
  margin: 2rem auto 3rem;
}
.article-body h2 { margin-top: 2em; }
.article-body figure { margin: 2rem 0; }
.article-body figcaption {
  font-family: var(--font-cartel);
  font-size: 0.82rem;
  color: var(--or-bronze);
  margin-top: 0.6rem;
  display: block;
}
.article-body ul, .article-body ol { padding-left: 1.4rem; }
.article-body blockquote {
  border-left: 3px solid var(--terre-cuite);
  padding-left: 1.2rem;
  font-style: italic;
  color: #4a4d52;
  margin: 2rem 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}
.article-body th, .article-body td {
  border: 1px solid var(--bordure);
  padding: 0.6rem 0.8rem;
  text-align: left;
}
.article-body th { background: var(--papier-clair); font-family: var(--font-cartel); font-size: 0.85rem; }

.article-sommaire {
  background: var(--papier-clair);
  border: 1px solid var(--bordure);
  padding: 1.4rem 1.6rem;
  margin: 2rem 0;
  max-width: 760px;
}
.article-sommaire h2 { font-size: 1.05rem; margin-bottom: 0.7em; }
.article-sommaire ul { list-style: none; padding: 0; margin: 0; }
.article-sommaire li { margin-bottom: 0.5em; }
.article-sommaire a { color: var(--encre); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 3rem auto; }
.faq details {
  border-bottom: 1px solid var(--bordure);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-family: var(--font-titre);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--encre);
}
.faq summary::marker { color: var(--terre-cuite); }
.faq p { margin-top: 0.8rem; }

/* ---------- Formulaire de contact ---------- */
.contact-form {
  max-width: 560px;
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}
.contact-form label { font-weight: 600; font-size: 0.92rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--bordure);
  border-radius: var(--radius);
  font-family: var(--font-corps);
  font-size: 1rem;
  background: var(--papier-clair);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form button {
  background: var(--terre-cuite);
  color: var(--papier-clair);
  border: none;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-corps);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--radius);
  justify-self: start;
}
.contact-form button:hover { background: var(--indigo-profond); }
.contact-form__honeypot { position: absolute; left: -9999px; }
.contact-form__status { font-size: 0.9rem; margin-top: 0.4rem; }
.contact-form__status--ok { color: var(--jade-mat); }
.contact-form__status--error { color: var(--terre-cuite); }

/* ---------- Sections generiques ---------- */
section { padding: 1rem 0; }
.section-title { margin-bottom: 1.5rem; }