/* ============================================================
   components.css — éléments réutilisables (v5 redesign Awwwards-tier)
   - Curseur custom (gold dot + ring) — inchangé
   - Progress bar — inchangé
   - .btn primary / ghost — refactor button-in-button (cercle imbriqué)
   - .bezel primitive — Double-Bezel architecture (outer shell + inner core)
   - .topnav — Fluid Island floating pill avec glass blur navy
   - Topnav burger — fluide morphing X
   - Submenu dropdown — inchangé
   - Theme + Lang toggle — inchangé
   - Footer — micro polish (magnetic, plus aéré)
   - Film grain SVG overlay — fixed pseudo-element
   ============================================================ */

/* ============================================================
   FILM GRAIN — Editorial Luxury texture (fixed, pointer-events:none)
   ============================================================ */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}
@media (prefers-reduced-motion: reduce) {
  body::before { display: none; }
}

/* ============================================================
   CURSEUR custom (gold dot + ring) — gardé tel quel
   ============================================================ */

#cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width var(--dur-mid), height var(--dur-mid);
  mix-blend-mode: difference;
}
#cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 34px; height: 34px;
  border: 1px solid rgba(201, 168, 76, 0.55);
  border-radius: 50%;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transform: translate(-50%, -50%);
  transition: width var(--dur-mid), height var(--dur-mid), opacity var(--dur-mid);
}
body.cursor-hover #cursor { width: 18px; height: 18px; }
body.cursor-hover #cursor-ring { width: 56px; height: 56px; opacity: 0.5; }

@media (hover: none), (pointer: coarse) {
  #cursor, #cursor-ring { display: none; }
}

/* ============================================================
   PROGRESS BAR (haut de page)
   ============================================================ */

#progress-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: var(--z-overlay);
  pointer-events: none;
}
#progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.08s linear;
}

/* ============================================================
   BEZEL PRIMITIVE — Double-Bezel architecture (outer shell + inner core)
   Skill section 4.A : "Never place a premium card flatly on the background.
   They must look like physical, machined hardware using nested enclosures."

   Usage HTML :
     <div class="bezel">
       <div class="bezel-inner"> ... contenu réel ... </div>
     </div>

   Variantes :
     .bezel.bezel-lg     — outer radius 2.25rem (cards hero)
     .bezel.bezel-glow   — accent glow ambient autour
     .bezel.bezel-light  — coquille claire (sur fond navy)
     .bezel.bezel-flat   — sans coquille extérieure (juste inner avec radius)
   ============================================================ */

.bezel {
  position: relative;
  padding: var(--bezel-pad-outer);
  border-radius: var(--bezel-radius-outer);
  background: rgba(13, 27, 42, 0.04);
  box-shadow: inset 0 0 0 1px var(--hairline);
  transition:
    transform 0.7s var(--ease-spring),
    box-shadow 0.7s var(--ease-spring),
    background 0.7s var(--ease-spring);
}
[data-theme="dark"] .bezel {
  background: rgba(244, 240, 232, 0.025);
  box-shadow: inset 0 0 0 1px var(--hairline-gold);
}
.bezel-inner {
  position: relative;
  background: var(--bg-card);
  color: var(--text-on-navy);
  border-radius: var(--bezel-radius-inner);
  box-shadow: var(--bezel-highlight);
  overflow: hidden;
}

.bezel.bezel-lg {
  padding: var(--bezel-pad-large);
  border-radius: var(--bezel-radius-outer-lg);
}
.bezel.bezel-lg .bezel-inner {
  border-radius: var(--bezel-radius-inner-lg);
}

.bezel.bezel-glow {
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.18), rgba(201, 168, 76, 0.04));
  box-shadow:
    inset 0 0 0 1px var(--accent-border),
    0 32px 80px -20px var(--accent-glow);
}
.bezel.bezel-glow .bezel-inner {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.bezel.bezel-light {
  background: rgba(244, 240, 232, 0.045);
  box-shadow: inset 0 0 0 1px var(--hairline-gold);
}
.bezel.bezel-light .bezel-inner {
  background: var(--bg-card-elevated);
}

.bezel.bezel-flat {
  padding: 0;
  background: transparent;
  box-shadow: none;
}
.bezel.bezel-flat .bezel-inner {
  border-radius: var(--bezel-radius-outer);
  box-shadow: var(--shadow-floating), var(--bezel-highlight);
}

/* Magnetic lift on hover (s'applique à un .bezel.magnetic ou à un parent .magnetic) */
.bezel.magnetic:hover,
.magnetic:hover .bezel {
  transform: translateY(-4px);
  box-shadow:
    inset 0 0 0 1px var(--accent-border),
    var(--shadow-ambient);
}

/* ============================================================
   BOUTONS — button-in-button architecture (skill section 4.B)
   La flèche est imbriquée dans son propre cercle, placée flush
   contre le padding droit du bouton parent. Magnetic press au tap.
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 0.85rem 0.85rem 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--pill-radius);
  position: relative;
  white-space: nowrap;
  background: transparent;
  cursor: pointer;
  transition:
    transform 0.5s var(--ease-spring),
    box-shadow 0.5s var(--ease-spring),
    background 0.4s var(--ease-spring),
    border-color 0.4s var(--ease-spring),
    color 0.4s var(--ease-spring);
}
.btn:active { transform: scale(0.97); transition-duration: 0.15s; }

.btn > span:not(.arrow) {
  position: relative;
  z-index: 1;
  padding: 0 0.4rem 0 0;
}

/* La flèche est imbriquée dans son propre cercle (button-in-button). */
.btn .arrow {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
  transition:
    transform 0.5s var(--ease-spring),
    background 0.4s var(--ease-spring);
  flex-shrink: 0;
}

/* PRIMARY — fond or, texte navy, cercle interne navy avec flèche or */
.btn.primary {
  background: var(--accent);
  color: var(--bg-tertiary);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 8px 24px -8px rgba(201, 168, 76, 0.4);
}
.btn.primary .arrow {
  background: rgba(13, 27, 42, 0.92);
  color: var(--accent-light);
}
.btn.primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.3) inset,
    var(--shadow-gold);
}
.btn.primary:hover .arrow {
  background: var(--bg-deep);
  transform: translate(3px, -1px) scale(1.05);
}

/* GHOST — transparent, hairline or, cercle interne or transparent */
.btn.ghost {
  background: transparent;
  border-color: rgba(201, 168, 76, 0.4);
  color: var(--accent);
}
.btn.ghost .arrow {
  background: rgba(201, 168, 76, 0.12);
  color: var(--accent);
}
.btn.ghost:hover {
  border-color: var(--accent);
  background: rgba(201, 168, 76, 0.06);
  transform: translateY(-2px);
}
.btn.ghost:hover .arrow {
  background: var(--accent);
  color: var(--bg-tertiary);
  transform: translate(3px, -1px) scale(1.05);
}

/* Ghost sur thème Main / sur fond clair (sans `.on-navy`) prend navy */
[data-theme="main"] .btn.ghost:not(.on-navy) {
  border-color: var(--border-mid);
  color: var(--text-primary);
}
[data-theme="main"] .btn.ghost:not(.on-navy) .arrow {
  background: rgba(13, 27, 42, 0.06);
  color: var(--text-primary);
}
[data-theme="main"] .btn.ghost:not(.on-navy):hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
[data-theme="main"] .btn.ghost:not(.on-navy):hover .arrow {
  background: var(--accent);
  color: var(--bg-tertiary);
}

/* Light theme ghost */
[data-theme="light"] .btn.ghost {
  border-color: var(--accent-border);
  color: var(--accent);
}
[data-theme="light"] .btn.ghost .arrow {
  background: var(--accent-dim);
}

/* ============================================================
   TOPNAV — Fluid Island floating pill (skill section 5.A)
   "Closed State: floating glass pill detached from the top"
   ============================================================ */

.topnav {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.55rem 0.55rem 0.55rem 1.35rem;
  background: var(--bg-glass);
  border: 1px solid var(--hairline-gold);
  border-radius: var(--pill-radius);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  box-shadow:
    var(--shadow-nav),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  width: min(1180px, calc(100% - 2.5rem));
  transition:
    top 0.7s var(--ease-spring),
    padding 0.7s var(--ease-spring),
    box-shadow 0.7s var(--ease-spring),
    background 0.7s var(--ease-spring);
}
.topnav.scrolled {
  top: 0.85rem;
  padding: 0.45rem 0.45rem 0.45rem 1.2rem;
  background: rgba(10, 21, 32, 0.86);
  box-shadow: var(--shadow-floating), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.topnav-brand {
  display: inline-flex;
  align-items: center;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.topnav-brand img {
  display: block;
  height: 28px;
  width: auto;
  transition: transform 0.5s var(--ease-spring);
}
.topnav-brand:hover img { transform: scale(1.08); }

.topnav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}
.topnav-links > li {
  display: flex;
  align-items: center;
  line-height: 1;
}
.topnav-links a {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-navy-dim);
  position: relative;
  padding: 0 0 2px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  transition: color 0.3s var(--ease-spring);
}
.topnav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  right: 100%;
  height: 1px;
  background: var(--accent);
  transition: right 0.5s var(--ease-spring);
}
.topnav-links a:hover,
.topnav-links a.active { color: var(--accent-light); }
.topnav-links a:hover::after,
.topnav-links a.active::after { right: 0; }

/* Light theme handling */
[data-theme="light"] .topnav { background: var(--bg-glass); border-color: var(--hairline-gold); }
[data-theme="light"] .topnav-links a { color: var(--text-muted); }
[data-theme="light"] .topnav-links a:hover,
[data-theme="light"] .topnav-links a.active { color: var(--accent); }

/* Submenu — dropdown "Pages dédiées ▾" — adapté pour Fluid Island */
.has-submenu { position: relative; display: flex; align-items: center; }
.submenu-trigger {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-navy-dim);
  background: transparent;
  border: none;
  padding: 0 0 2px;
  margin: 0;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.3s var(--ease-spring);
}
.submenu-trigger:hover,
.has-submenu:focus-within .submenu-trigger,
.submenu-trigger[aria-expanded="true"] { color: var(--accent-light); }
.submenu-trigger .caret {
  font-size: 0.6em;
  line-height: 1;
  transition: transform var(--dur-mid) var(--ease-spring);
  display: inline-flex;
  align-items: center;
  margin-top: 1px;
}
.has-submenu:hover .submenu-trigger .caret,
.has-submenu:focus-within .submenu-trigger .caret { transform: rotate(180deg); }

.submenu {
  position: absolute;
  top: calc(100% + 1.25rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 220px;
  background: var(--bg-glass);
  border: 1px solid var(--hairline-gold);
  border-radius: 1rem;
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: var(--shadow-floating);
  transition:
    opacity 0.4s var(--ease-spring),
    transform 0.4s var(--ease-spring),
    visibility 0.4s;
}
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.submenu li { width: 100%; margin: 0; }
.submenu a {
  display: block;
  padding: 0.7rem 1rem;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-navy-dim);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 0.6rem;
  transition: color 0.3s var(--ease-spring), background 0.3s var(--ease-spring);
}
.submenu a::after { display: none; }
.submenu a:hover,
.submenu a:focus-visible {
  color: var(--accent-light);
  background: rgba(201, 168, 76, 0.08);
}

/* CTA dans la nav — pilule or compacte avec button-in-button.
   order:99 + theme/lang ramenés avant → CTA reste tout à droite. */
.nav-cta {
  font-family: var(--font-body);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: var(--bg-tertiary);
  padding: 0.5rem 0.5rem 0.5rem 1.1rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
  border-radius: var(--pill-radius);
  border: none;
  position: relative;
  order: 99;
  transition:
    background 0.4s var(--ease-spring),
    box-shadow 0.5s var(--ease-spring);
  box-shadow: 0 4px 12px -2px rgba(201, 168, 76, 0.35);
}
.nav-cta::after {
  content: '→';
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: rgba(13, 27, 42, 0.92);
  color: var(--accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: transform 0.5s var(--ease-spring), background 0.4s var(--ease-spring);
}
.nav-cta:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 20px -4px rgba(201, 168, 76, 0.55);
}
.nav-cta:hover::after { transform: translate(3px, 0) scale(1.05); }
.nav-cta span { position: relative; z-index: 1; }

/* Theme + Lang toggle — pilules micro à droite, en dehors mais alignées.
   Premier élément du groupe-droite : margin-left:auto pour pousser tout le bloc à droite. */
.theme-toggle,
.lang-toggle {
  display: flex;
  border: 1px solid var(--hairline-gold);
  background: rgba(13, 27, 42, 0.4);
  border-radius: var(--pill-radius);
  overflow: hidden;
  padding: 0.15rem;
  gap: 0.1rem;
}
.theme-toggle { margin-left: auto; }
.theme-opt,
.lang-opt {
  font-family: var(--font-body);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-navy-dim);
  background: none;
  border: none;
  padding: 0.32rem 0.6rem;
  border-radius: var(--pill-radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  transition: all 0.4s var(--ease-spring);
}
.theme-opt:hover,
.lang-opt:hover { color: var(--accent-light); }
.theme-opt.active,
.lang-opt.active {
  background: var(--accent);
  color: var(--bg-tertiary);
}

/* Burger mobile — morph en X (fluid) */
.topnav-toggle {
  display: none;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid var(--hairline-gold);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: background 0.4s var(--ease-spring);
  padding: 0;
}
.topnav-toggle:hover { background: rgba(201, 168, 76, 0.18); }
.topnav-toggle span {
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: var(--accent);
  border-radius: 1px;
  transition: transform 0.5s var(--ease-spring), opacity 0.3s var(--ease-spring);
}
.topnav-toggle span:nth-child(1) { transform: translateY(-5px); }
.topnav-toggle span:nth-child(3) { transform: translateY(5px); }
.topnav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(0) rotate(45deg); }
.topnav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.topnav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(0) rotate(-45deg); }

/* ============================================================
   FOOTER — minimal, ambient, magnetic
   ============================================================ */

.site-foot {
  background: var(--bg-tertiary);
  color: var(--text-on-navy-dim);
  padding: 3.5rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-top: 1px solid var(--border-on-navy);
  position: relative;
}
.site-foot::before {
  content: '';
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.foot-brand {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--text-on-navy-mid);
  letter-spacing: 0.02em;
}
.foot-brand em { color: var(--accent); font-style: italic; }
.foot-note {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(138, 155, 176, 0.5);
}

/* ============================================================
   RESPONSIVE — topnav et footer
   ============================================================ */

@media (max-width: 1100px) {
  .topnav-links { gap: 1.25rem; }
  .topnav-links a { font-size: 0.62rem; }
}

@media (max-width: 980px) {
  .topnav {
    padding: 0.55rem 0.55rem 0.55rem 1rem;
    gap: 0.85rem;
  }
  /* Sur petits desktops / tablets : on cache theme/lang dans le pill, gardés ailleurs */
  .theme-toggle { display: none; }
}

@media (max-width: 880px) {
  .topnav {
    top: 1rem;
    padding: 0.4rem 0.4rem 0.4rem 1rem;
    flex-wrap: wrap;
    max-width: calc(100% - 1.6rem);
  }
  .topnav.scrolled { top: 0.6rem; }

  .topnav.menu-open {
    border-radius: 1.25rem;
    padding-bottom: 1.5rem;
    background: rgba(10, 21, 32, 0.96);
  }

  .topnav-toggle {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }
  .topnav-brand { order: 1; }
  .topnav-brand img { height: 26px; }

  #topnav-menu {
    order: 4;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s var(--ease-spring);
  }
  .topnav.menu-open #topnav-menu {
    max-height: 600px;
    margin-top: 1rem;
  }
  .topnav-links {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  .topnav-links li {
    width: 100%;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s var(--ease-spring), transform 0.5s var(--ease-spring);
  }
  .topnav.menu-open .topnav-links li {
    opacity: 1;
    transform: translateY(0);
  }
  /* Staggered reveal — skill section 5.A "Staggered Mask Reveal" */
  .topnav.menu-open .topnav-links li:nth-child(1) { transition-delay: 0.05s; }
  .topnav.menu-open .topnav-links li:nth-child(2) { transition-delay: 0.10s; }
  .topnav.menu-open .topnav-links li:nth-child(3) { transition-delay: 0.15s; }
  .topnav.menu-open .topnav-links li:nth-child(4) { transition-delay: 0.20s; }
  .topnav.menu-open .topnav-links li:nth-child(5) { transition-delay: 0.25s; }
  .topnav.menu-open .topnav-links li:nth-child(6) { transition-delay: 0.30s; }
  .topnav.menu-open .topnav-links li:nth-child(7) { transition-delay: 0.35s; }
  .topnav-links a {
    display: block;
    padding: 0.95rem 0;
    border-bottom: 1px solid rgba(201, 168, 76, 0.08);
    font-size: 0.78rem;
  }

  /* Mobile dropdown : déplié inline */
  .submenu-trigger {
    width: 100%;
    text-align: left;
    padding: 0.95rem 0;
    border-bottom: 1px solid rgba(201, 168, 76, 0.08);
    justify-content: space-between;
    font-size: 0.78rem;
  }
  .has-submenu .submenu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    backdrop-filter: none;
    border: none;
    padding: 0 0 0.5rem 1rem;
    min-width: 0;
    box-shadow: none;
  }
  .submenu a {
    padding: 0.65rem 0;
    font-size: 0.66rem;
    border-bottom: 1px solid rgba(201, 168, 76, 0.05);
    border-radius: 0;
  }
  .submenu li:last-child a { border-bottom: none; }

  .nav-cta { display: none; }
  .lang-toggle {
    order: 5;
    flex-basis: 100%;
    margin-top: 0.75rem;
    display: none;
    justify-content: center;
  }
  .topnav.menu-open .lang-toggle { display: flex; }

  .site-foot {
    padding: 2.5rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}