/* ==========================================================================
   IA'm — Feuille de style partagée
   ========================================================================== */

:root {
  --bg: #f6f1e7;
  --panel: #fdfaf3;
  --text: #1a1d2e;
  --muted: rgba(26,29,46,.66);
  --gold: #a67821;
  --gold-soft: rgba(166,120,33,.10);
  --gold-border: rgba(166,120,33,.28);
  --line: rgba(26,29,46,.10);
  --line-strong: rgba(26,29,46,.16);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

/* Typographie */
h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
  color: var(--text);
}
h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  max-width: 16ch;
}
.eyebrow {
  font-family: 'DM Mono', monospace;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--gold);
  font-size: .72rem;
  margin-bottom: 1rem;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(246,241,231,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  transition: opacity .2s ease;
}
.nav-brand:hover { opacity: 0.75; }
.nav-brand img { width: 72px; height: auto; display: block; }
.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: .95rem;
  color: var(--muted);
}
.nav-links a:hover { color: var(--text); }

/* Boutons */
.actions {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .9rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: .2s ease;
  font-family: 'DM Mono', monospace;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  cursor: pointer;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}
.btn-primary:hover { background: var(--gold); color: var(--bg); }
.btn-secondary { background: transparent; }
.btn-secondary:hover { border-color: var(--text); }
.btn:hover { transform: translateY(-1px); }

/* Hero (accueil) */
.hero { padding: 5rem 0 4rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
  align-items: center;
}
.hero-text {
  text-align: center;
  display: grid;
  justify-items: center;
}
.hero-text h1, .hero-text p { margin-left: auto; margin-right: auto; }
.hero p {
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 1.25rem 0 0;
}
.hero-card {
  background: linear-gradient(180deg, var(--gold-soft), var(--panel));
  border: 1px solid var(--gold-border);
  border-radius: 24px;
  padding: 2rem;
  text-align: center;
}
.hero-card img { width: min(320px, 100%); margin: 0 auto; }

/* Sections */
.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: grid;
  gap: .6rem;
  margin-bottom: 1.75rem;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

/* Cartes */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.4rem;
}
.card .num {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.card p { margin: .65rem 0 0; color: var(--muted); }

/* Encart étymologique */
.etymology {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  border-left: 2px solid var(--gold);
  max-width: 60ch;
}
.etymology .label {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}
.etymology p {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--text);
}
.etymology .iam { font-style: italic; color: var(--gold); }

/* Niveaux */
.levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.level {
  padding: 1.75rem 1.4rem;
  border-radius: 20px;
  border: 1px solid var(--gold-border);
  background: linear-gradient(180deg, var(--gold-soft), var(--panel));
  display: grid;
  gap: .6rem;
}
.level-tag {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.level h3 { font-size: 2rem; }
.level p { color: var(--muted); margin: 0; }
.level .who {
  margin-top: .4rem;
  padding-top: .8rem;
  border-top: 1px dashed var(--gold-border);
  font-size: .9rem;
  color: var(--muted);
}
.level .who strong { color: var(--text); font-weight: 500; }
.criterion {
  margin-top: 1.5rem;
  padding: 1.1rem 1.3rem;
  border-radius: 14px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text);
  text-align: center;
}

/* Mode d'emploi */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.4rem;
  display: grid;
  gap: .6rem;
}
.step .num {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.step h3 { font-size: 1.5rem; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Galerie cas d'usages */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.case {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--panel);
  cursor: zoom-in;
  transition: transform .25s ease, border-color .25s ease;
}
.case:hover { transform: translateY(-3px); border-color: var(--gold-border); }
.case-img-wrap { overflow: hidden; aspect-ratio: 1 / 1; }
.case img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #eee;
  transition: transform .4s ease;
}
.case:hover img { transform: scale(1.05); }
.case .cap { padding: .9rem; color: var(--muted); font-size: .95rem; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(26,29,46,.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.lightbox.open { display: flex; }
.lightbox-content {
  max-width: 95vw;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.lightbox-image {
  width: min(85vw, 85vh);
  height: min(85vw, 85vh);
  max-width: 95vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 12px;
  background: var(--bg);
  cursor: zoom-in;
  transition: opacity .2s ease;
}
.lightbox.zoomed {
  align-items: flex-start;
  justify-content: flex-start;
  overflow: auto;
  padding: 0;
}
.lightbox.zoomed .lightbox-content {
  max-width: none;
  width: auto;
  min-width: 100%;
  min-height: 100vh;
  display: block;
  padding: 4rem 1rem 2rem;
}
.lightbox.zoomed .lightbox-image {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  cursor: zoom-out;
  border-radius: 0;
  margin: 0 auto;
  display: block;
}
.lightbox.zoomed .lightbox-caption,
.lightbox.zoomed .lightbox-prev,
.lightbox.zoomed .lightbox-next { display: none; }
.lightbox-caption {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  color: var(--bg);
  font-style: italic;
}
.lightbox-hint {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(246,241,231,.55);
}
.lightbox.zoomed .lightbox-hint {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26,29,46,.85);
  padding: .5rem 1rem;
  border-radius: 999px;
  z-index: 101;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(246,241,231,.15);
  border: 1px solid rgba(246,241,231,.3);
  color: var(--bg);
  font-size: 1.4rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
  font-family: 'DM Sans', sans-serif;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(246,241,231,.3); }
.lightbox-close { top: -60px; right: 0; }
.lightbox.zoomed .lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 101;
}
.lightbox-prev { top: 50%; left: -70px; transform: translateY(-50%); }
.lightbox-next { top: 50%; right: -70px; transform: translateY(-50%); }

/* Réalisations */
.realisations {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.realisation {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, border-color .25s ease;
}
.realisation:hover { transform: translateY(-3px); border-color: var(--gold-border); }
.realisation-img { aspect-ratio: 1 / 1.6; overflow: hidden; background: #111; }
.realisation-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.realisation:hover .realisation-img img { transform: scale(1.03); }
.realisation-body {
  padding: 1.25rem 1.4rem 1.4rem;
  display: grid;
  gap: .5rem;
}
.realisation-level {
  font-family: 'DM Mono', monospace;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}
.realisation h3 { font-size: 1.4rem; line-height: 1.15; }
.realisation-author {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--muted);
  font-size: 1rem;
}
.realisation-link {
  margin-top: .5rem;
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.realisation-link::after { content: "→"; transition: transform .2s ease; }
.realisation:hover .realisation-link::after { transform: translateX(3px); }
.realisations-empty {
  padding: 2rem 1.5rem;
  border: 1px dashed var(--gold-border);
  border-radius: 20px;
  text-align: center;
  color: var(--muted);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
}
.realisations-empty a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* Ressources */
.resources {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.resource {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: .25s ease;
  min-height: 240px;
}
.resource:hover { border-color: var(--gold-border); transform: translateY(-2px); }
.resource-head { display: grid; gap: .6rem; }
.resource .kind {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.resource h3 { font-size: 1.75rem; }
.resource p { margin: 0; color: var(--muted); font-size: .95rem; }
.resource-link {
  font-family: 'DM Mono', monospace;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.resource-link::after { content: "→"; transition: transform .2s ease; }
.resource:hover .resource-link::after { transform: translateX(3px); }

/* CTA-band */
.cta-band { padding: 4.5rem 0 5.5rem; }
.cta-box {
  border-radius: 28px;
  background: linear-gradient(180deg, var(--gold-soft), var(--panel));
  border: 1px solid var(--gold-border);
  padding: 2rem;
  display: grid;
  gap: 1rem;
  align-items: center;
}
.cta-box p { margin: 0; color: var(--muted); }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: .95rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Page de contenu (textes, bd, articles) */
.page-header {
  padding: 4rem 0 3rem;
  text-align: center;
}
.page-header h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  max-width: 22ch;
  margin: 0 auto 1.25rem;
}
.page-header p {
  max-width: 60ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

.article {
  max-width: 70ch;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}
.article h2 { font-size: 2rem; margin: 2.5rem 0 1rem; }
.article h3 { font-size: 1.4rem; margin: 2rem 0 .8rem; }
.article p { margin: 0 0 1.2rem; color: var(--text); font-size: 1.05rem; }
.article a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.article blockquote {
  margin: 1.5rem 0;
  padding: 1.2rem 1.5rem;
  border-left: 2px solid var(--gold);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text);
}

.article-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.article-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.5rem 1.75rem;
  transition: .25s ease;
  display: block;
}
.article-card:hover { border-color: var(--gold-border); transform: translateY(-2px); }
.article-card .date {
  font-family: 'DM Mono', monospace;
  color: var(--gold);
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.article-card h3 { font-size: 1.5rem; margin: 0 0 .5rem; }
.article-card p { margin: 0; color: var(--muted); font-size: .95rem; }

.placeholder {
  text-align: center;
  max-width: 60ch;
  margin: 4rem auto;
  padding: 0 1rem;
}
.placeholder .quote {
  margin: 2.5rem auto 0;
  padding: 1.5rem 1.75rem;
  max-width: 50ch;
  border-left: 2px solid var(--gold);
  text-align: left;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--text);
}
.placeholder .actions { justify-content: center; margin-top: 2.5rem; }

/* FAQ */
.faq-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .25s ease;
}
.faq-item:hover { border-color: var(--gold-border); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: 'DM Sans', sans-serif;
  font-size: 1.5rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform .3s ease;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary .en {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--muted);
  font-weight: 400;
  margin-top: .35rem;
  text-transform: uppercase;
}
.faq-content {
  padding: 0 1.6rem 1.4rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  display: grid;
  gap: .8rem;
}
.faq-content .lang-fr { color: var(--text); }
.faq-content .lang-en {
  color: var(--muted);
  font-style: italic;
  padding-top: .6rem;
  border-top: 1px dashed var(--line);
  font-size: .92rem;
}
.faq-content .lang-en::before {
  content: "EN · ";
  font-family: 'DM Mono', monospace;
  font-style: normal;
  font-size: .68rem;
  letter-spacing: .15em;
  color: var(--gold);
  text-transform: uppercase;
}
.faq-content a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.contact-block {
  margin-top: 2.5rem;
  padding: 2rem;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--gold-soft), var(--panel));
  border: 1px solid var(--gold-border);
  text-align: center;
}
.contact-block .eyebrow { margin-bottom: .75rem; }
.contact-block h2 { font-size: 1.75rem; margin-bottom: .5rem; }
.contact-block a.email {
  color: var(--gold);
  font-family: 'DM Mono', monospace;
  font-size: .95rem;
  letter-spacing: .05em;
  margin-top: .5rem;
  display: inline-block;
}
.contact-block a.email:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .cards, .gallery, .levels, .steps, .resources, .realisations {
    grid-template-columns: 1fr;
  }
  .nav-links { font-size: .85rem; }
}
@media (max-width: 980px) and (min-width: 600px) {
  .steps, .gallery, .realisations { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-close { top: 10px; right: 10px; }
}