/* ===========================================================
   Garnier Joaillier — style.css
   Palette et typographie définies en variables :root.
   =========================================================== */

:root {
  --ivoire: #F6F3EC;
  --encre: #17130E;
  --or: #A98545;
  --or-clair: #C6A15B;
  --or-fonce: #8C6B33;
  --pierre: #163A3C;
  --gris-doux: #6E6455;
  --blanc: #FFFFFF;
  --overlay-hero: rgba(14, 11, 8, 0.55);

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Jost", Arial, sans-serif;

  --container-max: 1320px;
  --gutter: clamp(1.25rem, 4vw, 4rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 700ms;

  --radius-photo: 2px;
}

/* ---------- Reset sobre ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--ivoire);
  color: var(--encre);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); font-weight: 300; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }

p { margin: 0 0 1em; color: var(--gris-doux); }

em { font-style: italic; color: var(--or); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3rem;
  background: var(--encre);
  color: var(--ivoire);
  padding: 0.75em 1.25em;
  z-index: 200;
  transition: top 200ms var(--ease);
  font-family: var(--font-sans);
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--or);
  outline-offset: 3px;
}

/* ---------- Utilitaires éditoriaux ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8em;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--or-fonce);
  margin: 0 0 1em;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.6em;
  height: 1px;
  background: var(--or);
}
.eyebrow--on-dark { color: var(--or-clair); }
.eyebrow--on-dark::before { background: var(--or-clair); }

.section-head { max-width: 640px; margin: 0 0 3rem; }
.section-lead { font-size: 1.05rem; }

/* ---------- Numérotation des sections (signature visuelle) ---------- */
main { counter-reset: section-index; }
main > section:not(.hero) { counter-increment: section-index; position: relative; }
@media (min-width: 1240px) {
  main > section:not(.hero)::after {
    content: "N°0" counter(section-index);
    position: absolute;
    left: 1.75rem;
    top: 4rem;
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--or);
    opacity: 0.5;
  }
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--encre);
  text-decoration: none;
  border-bottom: 1px solid var(--or);
  padding-bottom: 0.3em;
  transition: color 250ms var(--ease), border-color 250ms var(--ease);
}
.link-arrow::after { content: "→"; transition: transform 250ms var(--ease); }
.link-arrow:hover { color: var(--or-fonce); }
.link-arrow:hover::after { transform: translateX(4px); }

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  padding: 1em 2.2em;
  border: 1px solid var(--or);
  border-radius: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background-color 300ms var(--ease), color 300ms var(--ease), border-color 300ms var(--ease);
  min-height: 44px;
}
.btn-gold {
  border-color: var(--or-clair);
  color: var(--ivoire);
}
.btn-gold:hover { background: var(--or-clair); color: var(--encre); }

.btn-gold-invert {
  border-color: var(--or-clair);
  color: var(--ivoire);
}
.btn-gold-invert:hover { background: var(--ivoire); color: var(--pierre); }

.btn-outline {
  border-color: var(--or);
  color: var(--encre);
}
.btn-outline:hover { background: var(--or); color: var(--ivoire); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  background: transparent;
  transition: background-color 400ms var(--ease), box-shadow 400ms var(--ease);
}
.site-header.is-scrolled {
  background: var(--ivoire);
  box-shadow: 0 1px 0 rgba(23, 19, 14, 0.08);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo img {
  width: clamp(150px, 16vw, 210px);
  height: auto;
  filter: brightness(0) invert(1);
  transition: filter 400ms var(--ease);
}
.site-header.is-scrolled .logo img { filter: none; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}
.burger, .burger::before, .burger::after {
  width: 26px; height: 1px;
  background: var(--ivoire);
  display: block;
  transition: background-color 400ms var(--ease), transform 300ms var(--ease), opacity 300ms var(--ease);
}
.burger { position: relative; }
.burger::before, .burger::after { content: ""; position: absolute; left: 0; }
.burger::before { top: -8px; }
.burger::after { top: 8px; }
.site-header.is-scrolled .burger,
.site-header.is-scrolled .burger::before,
.site-header.is-scrolled .burger::after { background: var(--encre); }

.nav-toggle[aria-expanded="true"] .burger { background: transparent; }
.nav-toggle[aria-expanded="true"] .burger::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .burger::after { transform: translateY(-8px) rotate(-45deg); }

.nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.2rem);
}
.nav a {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ivoire);
  text-decoration: none;
  transition: color 400ms var(--ease);
}
.site-header.is-scrolled .nav a { color: var(--encre); }
.nav a[aria-current="page"] { border-bottom: 1px solid var(--or-clair); padding-bottom: 4px; }
.nav a.btn { margin-left: 0.5rem; }
.site-header.is-scrolled .nav a.btn { color: var(--encre); }

@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: 0;
    background: var(--encre);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 350ms var(--ease), visibility 350ms var(--ease);
  }
  .nav[data-open="true"] { opacity: 1; visibility: visible; }
  .nav ul {
    flex-direction: column;
    gap: 2rem;
  }
  .nav a { color: var(--ivoire); font-size: 1rem; }
  .nav a.btn { color: var(--ivoire); margin-left: 0; margin-top: 1rem; }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--pierre);
}
.hero-media { position: absolute; inset: 0; }
.hero-poster,
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-video {
  opacity: 0;
  transition: opacity 700ms var(--ease);
}
.hero-video.is-ready { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,11,8,0.35) 0%, rgba(14,11,8,0.35) 40%, rgba(14,11,8,0.75) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 0 var(--gutter) clamp(3rem, 8vw, 6rem);
  color: var(--ivoire);
}
.hero-content h1 { color: var(--ivoire); }
.hero-sub {
  color: rgba(246, 243, 236, 0.85);
  font-size: 1.05rem;
  max-width: 46ch;
}

/* ---------- Reveal au scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
.hero-content { opacity: 0; animation: hero-fade 1000ms var(--ease) 200ms forwards; }
@keyframes hero-fade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .hero-content { animation: none; opacity: 1; }
}

/* ---------- Layout sections ---------- */
section { padding: clamp(4rem, 9vw, 7rem) 0; }
.signatures, .teaser-atelier, .gallery, .reviews {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- Blocs signature (éditorial, asymétrique) ---------- */
.signature-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.signature-block + .signature-block { margin-top: clamp(3rem, 8vw, 6rem); }
.signature-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-photo);
}
.signature-text { max-width: 34ch; }

@media (min-width: 800px) {
  .signature-block {
    grid-template-columns: 8fr 6fr;
    gap: 0;
  }
  .signature-block .signature-media { grid-column: 1; grid-row: 1; }
  .signature-block .signature-text {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
    z-index: 2;
    margin-left: -4.5rem;
    margin-bottom: 3rem;
    background: var(--ivoire);
    padding: 2.75rem 2.75rem 2.75rem 3rem;
  }

  .signature-block--reverse { grid-template-columns: 6fr 8fr; }
  .signature-block--reverse .signature-media { grid-column: 2; grid-row: 1; }
  .signature-block--reverse .signature-text {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    margin-left: 0;
    margin-right: -4.5rem;
    margin-top: 3rem;
    margin-bottom: 0;
    padding: 2.75rem 3rem 2.75rem 2.75rem;
    justify-self: end;
  }
}

/* ---------- Manifeste ---------- */
.manifesto {
  background: var(--pierre);
  color: var(--ivoire);
  text-align: left;
}
.manifesto blockquote {
  position: relative;
  max-width: 640px;
  margin: 0 auto 0 0;
  padding: 0 var(--gutter);
}
.manifesto p {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.5;
  color: var(--ivoire);
}
.manifesto blockquote::before {
  content: "\201C";
  position: absolute;
  top: -2.6rem;
  left: calc(var(--gutter) - 0.6rem);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 8rem;
  line-height: 1;
  color: var(--or-clair);
  opacity: 0.4;
}
@media (min-width: 800px) {
  .manifesto blockquote { margin-left: 18%; }
}

/* ---------- Teaser atelier ---------- */
.teaser-atelier {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.teaser-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-photo);
}
.teaser-text { max-width: 46ch; }

@media (min-width: 800px) {
  .teaser-atelier { grid-template-columns: 6fr 6fr; gap: 0; }
  .teaser-media { grid-column: 1; grid-row: 1; }
  .teaser-text {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    margin-left: -4.5rem;
    margin-top: 3rem;
    background: var(--ivoire);
    padding: 2.75rem 2.75rem 2.75rem 3rem;
  }
}

/* ---------- Galerie (planche contact, collée, justifiée) ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
@media (min-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(5, 1fr); }
}
.gallery-loading { grid-column: 1 / -1; color: var(--gris-doux); }

.gallery-item {
  display: block;
  border: none;
  background: var(--blanc);
  padding: 0;
  margin: 0;
  cursor: pointer;
  overflow: hidden;
  border-radius: 0;
  position: relative;
  aspect-ratio: 1 / 1;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}
.gallery-item:hover img,
.gallery-item:focus-visible img { transform: scale(1.03); }
.gallery-item figcaption {
  position: absolute;
  inset-inline: 0; bottom: 0;
  padding: 0.8em 1em;
  background: linear-gradient(0deg, rgba(23,19,14,0.55), transparent);
  color: var(--ivoire);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  opacity: 0;
  transition: opacity 300ms var(--ease);
}
.gallery-item:hover figcaption,
.gallery-item:focus-visible figcaption { opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(14, 11, 8, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
}
.lightbox[data-open="true"] { display: flex; }
.lightbox-dialog { max-width: 900px; width: 100%; text-align: center; }
.lightbox-figure { margin: 0; }
.lightbox-figure img {
  max-height: 70svh;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius-photo);
  background: var(--blanc);
}
.lightbox-caption {
  color: var(--ivoire);
  margin-top: 1rem;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
  font-size: 0.9rem;
}
.lightbox-caption span { color: var(--or-clair); }
.lightbox-close {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  background: none;
  border: none;
  color: var(--ivoire);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  width: 44px; height: 44px;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(246,243,236,0.4);
  color: var(--ivoire);
  width: 48px; height: 48px;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background-color 250ms var(--ease);
}
.lightbox-nav:hover { background: rgba(246,243,236,0.12); }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
@media (max-width: 640px) {
  .lightbox-nav { width: 40px; height: 40px; font-size: 1.2rem; }
}

/* ---------- CTA devis ---------- */
.cta-devis {
  background: var(--pierre);
  color: var(--ivoire);
  text-align: center;
}
.cta-inner { max-width: 640px; margin: 0 auto; padding: 0 var(--gutter); }
.cta-devis h2 { color: var(--ivoire); }
.cta-devis p { color: rgba(246,243,236,0.85); }

/* ---------- Avis clients ---------- */
.reviews { text-align: center; }
.reviews-score {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--encre);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
}
.reviews-score strong { color: var(--or-fonce); }
.reviews-score-stars {
  color: var(--or);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

.reviews-carousel { margin: 0 auto 2.5rem; max-width: 760px; }
.reviews-viewport { overflow: hidden; }
.reviews-track {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  transition: transform 500ms var(--ease);
}
.review-card {
  flex: 0 0 100%;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--blanc);
  border-top: 1px solid var(--or);
  text-align: left;
}
.review-stars { color: var(--or); letter-spacing: 0.15em; margin-bottom: 0.8em; }
.review-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--encre);
  line-height: 1.6;
}
.review-meta {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
  color: var(--gris-doux);
  margin: 0;
}

.reviews-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.reviews-arrow {
  background: none;
  border: 1px solid var(--or);
  width: 44px; height: 44px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background-color 250ms var(--ease), color 250ms var(--ease);
}
.reviews-arrow:hover { background: var(--or); color: var(--ivoire); }
.reviews-dots { display: flex; gap: 0.5rem; }
.reviews-dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--or);
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.reviews-dots button[aria-current="true"] { background: var(--or); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--encre);
  color: rgba(246,243,236,0.75);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.footer-brand img { width: 140px; filter: brightness(0) invert(1); margin-bottom: 1rem; }
.footer-brand p { color: rgba(246,243,236,0.6); }
.footer-nav ul, .footer-legal ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 0.7rem;
}
.footer-nav a, .footer-legal a, .footer-contact a {
  color: rgba(246,243,236,0.85);
  text-decoration: none;
  transition: color 250ms var(--ease);
}
.footer-nav a:hover, .footer-legal a:hover, .footer-contact a:hover { color: var(--or-clair); }
.footer-contact p { color: rgba(246,243,236,0.85); }
.footer-legal { display: flex; flex-direction: column; justify-content: space-between; }
.footer-legal ul { margin-bottom: 1.5rem; }
.footer-legal p { color: rgba(246,243,236,0.5); font-size: 0.85rem; }

@media (min-width: 700px) {
  .footer-inner { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
}