/* ============================================================
   components.css — Auréa Gems Investment
   Tous les composants visuels du site (BC4 "Dossier relié").
   Dépend de tokens.css + base.css.
   ============================================================ */

/* ------------------------------------------------------------
   BODY — réglages typographiques globaux (override base.css)
   ------------------------------------------------------------ */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  /* NB: overflow-x: hidden retiré — crée un scroll container implicite qui
     casse document.scrollingElement.scrollTo(). Seul <html> porte ce garde-fou
     (voir base.css). */
}

/* ============================================================
   RAIL LATÉRAL STICKY SCROLL-SPY
   ============================================================ */
.rail {
  position: fixed;
  left: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  color: var(--ink);
  transition: color var(--duration-mid) var(--ease-out-quart);
}

.rail.is-atelier {
  color: var(--ivory);
}

.rail ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.rail__item {
  display: flex;
  align-items: center;
}

.rail__item a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0;
  color: inherit;
}

.rail__item a:focus-visible {
  outline: 1px solid var(--gold-deep);
  outline-offset: 4px;
}

.rail.is-atelier .rail__item a:focus-visible {
  outline-color: var(--champagne);
}

.rail__dash {
  display: inline-block;
  width: 16px;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
  transition:
    width var(--duration-mid) var(--ease-out-quart),
    opacity var(--duration-mid) var(--ease-out-quart);
}

.rail__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  opacity: 0.55;
  transition: opacity var(--duration-mid) var(--ease-out-quart);
}

.rail__label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  opacity: 0.55;
  transition: opacity var(--duration-mid) var(--ease-out-quart);
}

.rail__item.is-active .rail__dash {
  width: 28px;
  opacity: 1;
}

.rail__item.is-active .rail__num,
.rail__item.is-active .rail__label {
  opacity: 1;
}

.rail.is-atelier .rail__item.is-active .rail__num,
.rail.is-atelier .rail__item.is-active .rail__label {
  color: var(--champagne);
}

@media (max-width: 1024px) {
  .rail {
    display: none;
  }
}

/* ============================================================
   NAVIGATION — bascule entre papier (clair) et atelier (sombre)
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(242, 239, 232, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule-soft);
  transition:
    background var(--duration-slow) var(--ease-out-quart),
    color var(--duration-slow) var(--ease-out-quart),
    border-color var(--duration-slow) var(--ease-out-quart);
}

.nav.is-atelier {
  background: rgba(20, 17, 15, 0.92);
  color: var(--ivory);
  border-bottom-color: var(--rule-atelier);
}

.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1.1;
}

.nav-brand-mark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  transition: color var(--duration-slow) var(--ease-out-quart);
}

.nav-brand-mark em {
  color: var(--gold-deep);
  font-weight: 500;
  font-style: italic;
  transition: color var(--duration-slow) var(--ease-out-quart);
}

.nav.is-atelier .nav-brand-mark {
  color: var(--ivory);
}

.nav.is-atelier .nav-brand-mark em {
  color: var(--gold-light);
}

.nav-brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-mute);
  text-transform: uppercase;
  transition: color var(--duration-slow) var(--ease-out-quart);
}

.nav.is-atelier .nav-brand-sub {
  color: #998C72;
}

.nav__menu {
  display: flex;
  gap: 38px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav__menu a {
  position: relative;
  padding: 4px 0;
  opacity: 0.78;
  color: var(--ink-soft);
  transition:
    opacity var(--duration-fast) var(--ease-out-quart),
    color var(--duration-slow) var(--ease-out-quart);
}

.nav.is-atelier .nav__menu a {
  color: var(--ivory);
}

.nav__menu a:hover {
  opacity: 1;
}

.nav__menu a:focus-visible {
  outline: 1px solid var(--gold-deep);
  outline-offset: 4px;
}

.nav__menu a::before {
  content: attr(data-num);
  color: var(--gold-deep);
  margin-right: 8px;
  font-weight: 500;
  transition: color var(--duration-slow) var(--ease-out-quart);
}

.nav.is-atelier .nav__menu a::before {
  color: var(--gold-light);
}

.nav__cta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid currentColor;
  color: var(--ink);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.nav.is-atelier .nav__cta {
  color: var(--ivory);
}

.nav__cta:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.nav.is-atelier .nav__cta:hover {
  background: var(--ivory);
  color: var(--charcoal);
  border-color: var(--ivory);
}

/* ============================================================
   SECTIONS — alternance papier / atelier
   ============================================================ */
.section {
  padding: 128px 64px;
  position: relative;
}

.section-paper {
  background: var(--paper);
  color: var(--ink);
}

.section-atelier {
  background: var(--charcoal);
  color: var(--ivory);
}

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

/* ============================================================
   TAGS PLANCHE & EYEBROW §
   ============================================================ */
.planche-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--gold-deep);
  margin-bottom: 36px;
  opacity: 0.95;
}

.section-atelier .planche-tag {
  color: var(--gold-light);
  border-color: var(--gold-light);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-atelier .eyebrow {
  color: var(--gold-light);
}

.eyebrow::after {
  content: '';
  width: 56px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

/* ============================================================
   §01 HERO — PAPIER + NOTE MARGINALE
   ============================================================ */
.hero {
  padding-top: var(--space-11);
  padding-bottom: var(--space-10);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 96px;
  align-items: start;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(56px, 7.2vw, 100px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin-bottom: 44px;
  max-width: 18ch;
}

.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--gold-deep);
}

.hero__title .terre {
  color: var(--terre-brulee);
  font-style: italic;
  font-weight: 500;
}

.hero__title small {
  display: block;
  font-size: 0.34em;
  font-weight: 300;
  color: #5C5448;
  margin-top: 26px;
  letter-spacing: 0.02em;
  font-style: italic;
}

.hero__lede {
  font-family: var(--font-serif);
  font-size: 21px;
  font-style: italic;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: #3A3528;
  max-width: 58ch;
  margin-bottom: 36px;
}

/* Drop cap réservé : hero + section atelier */
.drop-cap {
  float: left;
  font-family: var(--font-serif);
  font-size: 86px;
  line-height: 0.78;
  font-weight: 500;
  color: var(--gold-mid);
  padding-top: 0.04em;
  padding-right: 14px;
  margin-right: 0.08em;
  margin-bottom: -0.05em;
  font-style: italic;
}

.hero__body {
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 60ch;
  margin-bottom: 56px;
}

.hero__body em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--gold-deep);
  letter-spacing: 0.005em;
}

/* Boutons strictement encadrés */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn:focus-visible {
  outline: 1px solid var(--gold-deep);
  outline-offset: 3px;
}

.btn--primary {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
}

.btn--primary:hover {
  background: var(--gold-deep);
  color: var(--paper);
}

.section-atelier .btn {
  border-color: var(--ivory);
  color: var(--ivory);
}

.section-atelier .btn:hover {
  background: var(--ivory);
  color: var(--charcoal);
}

.section-atelier .btn--primary {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

.section-atelier .btn--primary:hover {
  background: var(--gold-light);
  color: var(--charcoal);
}

.btn__arrow {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.btn__arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 6px;
  height: 6px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.hero__cta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

/* Signature en bas du hero */
.hero__signature {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
}

.sig-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sig-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.sig-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.sig-value .accent {
  color: var(--gold-deep);
}

/* ============================================================
   NOTE MARGINALE — colonne droite du hero
   ============================================================ */
.margin-note {
  padding-top: 36px;
  position: sticky;
  top: 120px;
  align-self: start;
}

.margin-note-inner {
  border-left: 1px solid var(--gold-mid);
  padding-left: 22px;
  padding-right: 4px;
}

.margin-note-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.margin-note-label::before {
  content: "§";
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--gold-mid);
}

.margin-note-quote-mark {
  font-family: var(--font-serif);
  font-size: 48px;
  line-height: 0;
  color: var(--gold-mid);
  font-style: italic;
  display: block;
  margin-bottom: 22px;
  height: 22px;
}

.margin-note-quote {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 400;
  line-height: 1.42;
  color: var(--ink);
  letter-spacing: 0.003em;
  margin-bottom: 20px;
}

.margin-note-attr {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
  padding-top: 14px;
  border-top: 1px dotted var(--rule);
}

.margin-note-attr em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0;
  margin-left: 4px;
}

/* ============================================================
   SEPARATORS — paper ↔ atelier
   ============================================================ */
.separator {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.separator__ornament {
  color: var(--gold-light);
  z-index: 2;
}

.separator--paper-to-atelier {
  background: linear-gradient(to bottom, var(--paper) 0%, var(--paper) 50%, var(--charcoal) 50%, var(--charcoal) 100%);
}

.separator--paper-to-atelier .separator__ornament {
  background: var(--paper);
  padding: 8px 14px;
  color: var(--gold-deep);
}

.separator--atelier-to-paper {
  background: linear-gradient(to bottom, var(--charcoal) 0%, var(--charcoal) 50%, var(--paper) 50%, var(--paper) 100%);
}

.separator--atelier-to-paper .separator__ornament {
  background: var(--charcoal);
  padding: 8px 14px;
  color: var(--gold-light);
}

/* ============================================================
   §02 PIERRES — ATELIER (velours noir)
   ============================================================ */
.pierres {
  /* padding hérité de .section (128px 64px) */
}

.pierres__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 96px;
}

.pierres__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(48px, 5.5vw, 78px);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--ivory);
  margin-bottom: 0;
}

.pierres__title em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}

.pierres__intro p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.55;
  color: var(--ivory-soft);
  font-weight: 400;
  letter-spacing: 0.005em;
}

.pierres__intro p + p {
  margin-top: 18px;
}

.pierres__intro em,
.pierres__intro strong {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}

/* Drop cap — sur la section atelier */
.dropcap::first-letter {
  font-family: var(--font-serif);
  font-size: 5em;
  font-weight: 500;
  float: left;
  line-height: 0.82;
  padding: 6px 14px 0 0;
  color: var(--gold-light);
  font-style: italic;
}

.gems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 96px;
}

.gem {
  border-top: 1px solid rgba(201, 168, 106, 0.35);
  padding-top: 36px;
  position: relative;
}

.gem::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--gold-light);
}

.gem__svg-wrap {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}

.gem__svg {
  width: 140px;
  height: 140px;
  filter: drop-shadow(0 10px 28px rgba(201, 168, 106, 0.16));
}

/* === PHOTO PIERRE — cartouche fond ivoire type planche catalogue === */
.gem__photo {
  height: 240px;
  margin-bottom: 28px;
  background: var(--ivory);
  border: 1px solid rgba(201, 168, 106, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  box-shadow:
    0 14px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(201, 168, 106, 0.20);
  position: relative;
}

.gem__photo::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(20, 17, 15, 0.06);
  pointer-events: none;
}

.gem__photo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 6px 16px rgba(20, 17, 15, 0.18));
}

.gem__photo-caption {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #998C72;
  text-align: center;
  margin-top: -18px;
  margin-bottom: 28px;
}

.gem__id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 12px;
}

.gem__name {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.2vw, 30px);
  font-weight: 400;
  color: var(--ivory);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.gem__name em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}

.gem__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: #B09A72;
  margin-bottom: 20px;
}

.gem__desc {
  font-size: 14px;
  line-height: 1.65;
  color: #A89E88;
  margin-bottom: 24px;
  font-weight: 400;
}

.gem__specs {
  border-top: 1px dashed rgba(201, 168, 106, 0.22);
  padding-top: 16px;
  display: grid;
  gap: 6px;
}

.gem__specs div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.gem__specs span:first-child {
  color: #7A6F5A;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.gem__specs span:last-child {
  color: #D4C9B0;
  letter-spacing: 0.04em;
  text-align: right;
}

/* Couleurs signatures des facettes */
.gem--sapphire .facet-a { fill: #1B3A6B; }
.gem--sapphire .facet-b { fill: #2D4F8F; }
.gem--sapphire .facet-c { fill: #4A6FA8; }
.gem--sapphire .facet-d { fill: #0F2348; }

.gem--ruby .facet-a { fill: #6E1820; }
.gem--ruby .facet-b { fill: #9B2730; }
.gem--ruby .facet-c { fill: #BE3A48; }
.gem--ruby .facet-d { fill: #4A0E14; }

.gem--emerald .facet-a { fill: #1F4A36; }
.gem--emerald .facet-b { fill: #2F6D4D; }
.gem--emerald .facet-c { fill: #4A8E6C; }
.gem--emerald .facet-d { fill: #11321F; }

/* Citation atelier */
.quote-atelier {
  margin-top: 48px;
  padding: 48px 64px;
  border-left: 2px solid var(--gold-light);
  background: rgba(201, 168, 106, 0.04);
}

.quote-atelier p {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 28px;
  line-height: 1.45;
  color: var(--ivory);
  margin-bottom: 22px;
  max-width: 60ch;
}

.quote-atelier p em {
  color: var(--gold-light);
  font-style: italic;
}

.quote-atelier cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #998C72;
}

/* ============================================================
   §03 MÉTAUX — PAPIER (court, deux colonnes)
   ============================================================ */
.metaux {
  /* padding hérité de .section (128px 64px) */
}

.metaux__head {
  max-width: 780px;
  margin-bottom: 72px;
}

.metaux__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(44px, 5vw, 70px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 28px;
}

.metaux__title em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}

.metaux__lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 20px;
  line-height: 1.55;
  color: #3A3528;
  max-width: 64ch;
}

.metaux__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.metal {
  border-top: 1px solid var(--rule);
  padding-top: 32px;
  position: relative;
}

.metal::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--gold-deep);
}

.metal__svg-wrap {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.metal__svg {
  width: 170px;
  height: 170px;
  filter: drop-shadow(0 10px 22px rgba(20, 17, 15, 0.18));
}

/* Couleurs facettes — OR */
.metal--gold .facet-a { fill: var(--gold-deep); }
.metal--gold .facet-b { fill: var(--gold-mid); }
.metal--gold .facet-c { fill: var(--gold-light); }
.metal--gold .facet-d { fill: #6B4F12; }

/* Couleurs facettes — ARGENT */
.metal--silver .facet-a { fill: var(--silver-deep); }
.metal--silver .facet-b { fill: var(--silver-mid); }
.metal--silver .facet-c { fill: var(--silver-light); }
.metal--silver .facet-d { fill: var(--silver-ink); }

.metal__id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}

.metal__name {
  font-family: var(--font-serif);
  font-size: clamp(28px, 2.8vw, 36px);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.010em;
  line-height: 1.05;
}

.metal__name em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}

.metal__symbol {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #6B5A3A;
  margin-bottom: 22px;
  letter-spacing: 0.1em;
}

.metal__desc {
  font-size: 15px;
  line-height: 1.75;
  color: #2A241B;
  margin-bottom: 26px;
  font-weight: 300;
}

.metal__notes {
  border-top: 1px dashed var(--rule);
  padding-top: 18px;
}

.metal__notes dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px 20px;
  align-items: baseline;
}

.metal__notes dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.metal__notes dd {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: #2A241B;
  line-height: 1.45;
}

/* ============================================================
   §04 MÉTHODE — ATELIER (court, 3 étapes)
   ============================================================ */
.methode {
  /* padding hérité de .section (128px 64px) */
}

.methode__head {
  max-width: 780px;
  margin-bottom: 72px;
}

.methode__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(44px, 5vw, 70px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ivory);
  margin-bottom: 24px;
}

.methode__title em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}

.methode__lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.55;
  color: var(--ivory-soft);
  max-width: 62ch;
  font-weight: 300;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step {
  border-top: 1px solid rgba(201, 168, 106, 0.35);
  padding-top: 32px;
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--gold-light);
}

.step__id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}

.step__name {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
  color: var(--ivory);
  margin-bottom: 14px;
  letter-spacing: -0.008em;
  line-height: 1.1;
}

.step__name em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}

.step__desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: #A89E88;
  font-weight: 400;
}

/* ============================================================
   §05 CONTACT — PAPIER (court)
   ============================================================ */
.contact {
  /* padding hérité de .section (128px 64px) */
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 96px;
  align-items: start;
}

.contact__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 28px;
}

.contact__title em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}

.contact__lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.55;
  color: #3A3528;
  max-width: 56ch;
  margin-bottom: 40px;
  font-weight: 400;
}

.contact__channels {
  border-top: 1px solid var(--rule);
  padding-top: 28px;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px 24px;
  align-items: baseline;
}

.contact__channels dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.contact__channels dd {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--ink);
  line-height: 1.4;
}

.contact__channels dd a {
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 1px;
  transition: border-color var(--duration-fast) var(--ease-out-quart);
}

.contact__channels dd a:hover {
  border-color: var(--gold-deep);
}

.contact__channels dd a:focus-visible {
  outline: 1px solid var(--gold-deep);
  outline-offset: 3px;
}

.contact__cta-card {
  border: 1px solid var(--rule);
  padding: 48px 32px;
  position: relative;
}

.contact__cta-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--gold-deep);
}

.contact__cta-id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}

.contact__cta-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.15;
}

.contact__cta-title em {
  font-style: italic;
  color: var(--gold-deep);
}

.contact__cta-desc {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

/* ============================================================
   §05 PORTAIL PRODUITS — accès direct aux produits distribués
   ============================================================ */
.portail {
  padding-block: clamp(5rem, 10vh, 8rem);
}

.portail__head {
  max-width: 720px;
  margin-bottom: var(--space-8);
}

.portail__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 1.6rem + 2.4vw, 4rem);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--ink);
  margin: var(--space-3) 0 var(--space-5);
}
.portail__title em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}

.portail__lede {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--ink-soft);
  max-width: 66ch;
}

/* Grille 3 colonnes */
.portail__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

/* Carte produit */
.portail__card {
  border: 1px solid var(--rule-soft);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: border-color var(--duration-fast) var(--ease-out-quart);
}

.portail__card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--gold-deep);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out-quart);
}

.portail__card:hover {
  border-color: var(--rule);
}

.portail__card:hover::before {
  opacity: 1;
}

/* ID et intitulé */
.portail__card-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--gold-deep);
}

.portail__card-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 1.2rem + 0.6vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: var(--tracking-tight);
  color: var(--ink);
  margin: 0;
}
.portail__card-name em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}

.portail__card-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
}

.portail__card-desc {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--ink-soft);
  flex-grow: 1;
  margin: 0;
}

/* Specs */
.portail__specs {
  display: grid;
  gap: var(--space-2);
  border-top: 1px solid var(--rule-soft);
  padding-top: var(--space-4);
  margin-top: var(--space-1);
  list-style: none;
}

.portail__specs li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.portail__specs li span:first-child {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

.portail__specs li span:last-child {
  font-family: var(--font-sans);
  color: var(--ink-soft);
}

/* Bouton CTA */
.portail__btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: 12px 18px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-out-quart),
              color var(--duration-fast) var(--ease-out-quart);
}

.portail__btn:hover {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
}

.portail__btn svg {
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.portail__btn:hover svg {
  transform: translateX(3px);
}

/* Note de distribution */
.portail__note {
  border-top: 1px solid var(--rule-soft);
  padding-top: var(--space-5);
}

.portail__note-inner {
  display: flex;
  gap: var(--space-6);
  max-width: 760px;
}

.portail__note-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-mute);
  white-space: nowrap;
  padding-top: 2px;
  flex-shrink: 0;
}

.portail__note p {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--ink-mute);
  margin: 0;
}

@media (max-width: 960px) {
  .portail__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

@media (max-width: 640px) {
  .portail__title {
    font-size: 42px;
  }
  .portail__note-inner {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  padding: 32px 56px;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.footer__links {
  display: flex;
  gap: 28px;
}

.footer__links a {
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.footer__links a:hover {
  color: var(--gold-deep);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .section {
    padding: 96px 32px;
  }
  .hero {
    padding-top: 140px;
    padding-bottom: 96px;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .margin-note {
    position: static;
    padding-top: 0;
  }
  .pierres__head {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .gems {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .metaux__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .nav-inner {
    padding: 16px 24px;
    gap: 24px;
  }
  .nav__menu {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 80px 24px;
  }
  .hero__title {
    font-size: clamp(36px, 9.5vw, 52px);
    line-height: 1.06;
  }
  .pierres__title,
  .metaux__title,
  .methode__title,
  .contact__title {
    font-size: 42px;
  }
  .quote-atelier {
    padding: 32px 28px;
  }
  .quote-atelier p {
    font-size: 22px;
  }
  .hero__signature {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .metal__notes dl {
    grid-template-columns: 1fr;
    gap: 4px 0;
  }
  .metal__notes dt {
    margin-top: 12px;
  }
  .contact__channels {
    grid-template-columns: 1fr;
    gap: 4px 0;
  }
  .contact__channels dt {
    margin-top: 16px;
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav__cta {
    display: none;
  }

  /* === FIX DEBORDEMENT MOBILE — specs en colonne stack === */
  .gem__specs div {
    flex-direction: column;
    gap: 2px;
  }
  .gem__specs span:last-child {
    text-align: left;
  }

  /* Note marginale : passe en static (déjà fait <1080px) + reset bordure */
  .margin-note {
    border-left: none;
    padding-left: 0;
  }

  /* Footer : liens en colonne aussi pour éviter overflow */
  .footer__links {
    flex-direction: column;
    gap: 12px;
  }
}

/* ============================================================
   SCROLL OFFSET — compenser la nav fixe sur les ancres natives
   scroll-margin-top agit même si le JS smooth scroll échoue.
   ============================================================ */
section.section {
  scroll-margin-top: 80px;
}

/* ============================================================
   RAIL OFFSET — laisser de l'air apres le rail lateral sticky
   Sapplique des que le rail est visible (>= 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .section {
    padding-left: calc(var(--rail-width) + 64px);
  }
}

/* ============================================================
   CALENDRIER HUBSPOT MEETINGS
   ============================================================ */
.contact__meetings {
  margin-top: 88px;
  padding-top: 56px;
  border-top: 1px solid var(--rule);
}
.contact__meetings-head {
  margin-bottom: 36px;
  max-width: 640px;
}
.contact__meetings-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3vw, 38px);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  margin-top: 14px;
}
.contact__meetings-title em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 500;
}
.contact__meetings-lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.contact__meetings .meetings-iframe-container {
  min-height: 520px;
  max-height: 560px;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: 0;
  overflow: hidden;
  position: relative;
}

/* Masque la bande "Powered by HubSpot" en bas de l'iframe.
   Hauteur ~40px (calibrée sur le widget HubSpot Meetings standard). */
.contact__meetings .meetings-iframe-container::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 44px;
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  pointer-events: none;
  z-index: 2;
}

@media (max-width: 640px) {
  .contact__meetings {
    margin-top: 56px;
    padding-top: 36px;
  }
  .contact__meetings .meetings-iframe-container {
    min-height: 580px;
    max-height: 620px;
  }
}

/* ============================================================
   HAMBURGER + DRAWER MOBILE — navigation <640px
   ============================================================ */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: inherit;
  flex-shrink: 0;
}

.nav.is-atelier .nav__hamburger {
  color: var(--ivory);
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition:
    transform var(--duration-fast) var(--ease-out-quart),
    opacity var(--duration-fast) var(--ease-out-quart);
}

.nav__hamburger.is-open span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.nav__hamburger.is-open span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.nav__drawer {
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: 96px 32px 48px;
  transform: translateX(100%);
  transition: transform var(--duration-mid) var(--ease-out-quart);
  overflow-y: auto;
}

.nav__drawer.is-open {
  transform: translateX(0);
}

.nav__drawer-links {
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex: 1;
  padding-top: 16px;
}

.nav__drawer-link {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.nav__drawer-link:hover {
  color: var(--gold-deep);
}

.nav__drawer-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: 0.18em;
  flex-shrink: 0;
}

.nav__drawer-cta {
  display: block;
  text-align: center;
  border: 1px solid var(--gold-deep);
  color: var(--gold-deep);
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 48px;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.nav__drawer-cta:hover {
  background: var(--gold-deep);
  color: var(--paper);
}

@media (max-width: 640px) {
  .nav__hamburger {
    display: flex;
  }
}