/* ═══════════════════════════════════════════════════════════
   BASE — reset, atmosphère, primitives partagées
   ═══════════════════════════════════════════════════════════ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--gold-mid) transparent;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--f-ui);
  font-size: var(--t-base);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
  transition: background var(--d-mid) var(--e-soft), color var(--d-mid) var(--e-soft);
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

::selection { background: var(--gold-glow); color: var(--ink); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--gold-mid), var(--gold-deep));
  border-radius: var(--r-full);
  border: 2px solid transparent;
  background-clip: padding-box;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

.sr-only {
  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; top: -100px; left: var(--s4); z-index: var(--z-toast);
  background: var(--gold); color: #0A0C11; padding: var(--s3) var(--s5);
  border-radius: var(--r-sm); font-weight: 700;
  transition: top var(--d-fast) var(--e-out);
}
.skip-link:focus { top: var(--s4); }

/* ═══ ATMOSPHÈRE — nappes lumineuses animées ═══ */
.atmosphere {
  position: fixed; inset: 0; z-index: var(--z-bg);
  pointer-events: none; overflow: hidden;
}
.atmosphere::before,
.atmosphere::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .5;
  will-change: transform;
}
.atmosphere::before {
  width: 68vw; height: 68vw; max-width: 900px; max-height: 900px;
  top: -22vw; left: -14vw;
  background: radial-gradient(circle, rgba(212,175,55,.20), transparent 68%);
  animation: drift-a 26s var(--e-soft) infinite alternate;
}
.atmosphere::after {
  width: 58vw; height: 58vw; max-width: 780px; max-height: 780px;
  bottom: -20vw; right: -14vw;
  background: radial-gradient(circle, rgba(139,107,255,.15), transparent 68%);
  animation: drift-b 32s var(--e-soft) infinite alternate;
}
[data-theme="light"] .atmosphere::before { opacity: .3; }
[data-theme="light"] .atmosphere::after { opacity: .22; }

@keyframes drift-a {
  0%   { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(9vw, 7vh, 0) scale(1.17); }
}
@keyframes drift-b {
  0%   { transform: translate3d(0,0,0) scale(1.1); }
  100% { transform: translate3d(-8vw, -9vh, 0) scale(1); }
}

/* Grille technique subtile */
.grid-veil {
  position: fixed; inset: 0; z-index: var(--z-bg); pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 78%);
}
[data-theme="light"] .grid-veil {
  background-image:
    linear-gradient(rgba(14,18,26,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,18,26,.032) 1px, transparent 1px);
}

/* Grain filmique */
.grain {
  position: fixed; inset: -50%; z-index: var(--z-bg); pointer-events: none;
  opacity: .16; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 260 260' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 7s steps(6) infinite;
}
@keyframes grain-shift {
  0%,100% { transform: translate(0,0); }
  17% { transform: translate(-3%, -4%); }
  34% { transform: translate(2%, 3%); }
  51% { transform: translate(-2%, 4%); }
  68% { transform: translate(4%, -2%); }
  85% { transform: translate(-4%, 1%); }
}
@media (prefers-reduced-motion: reduce) { .grain { animation: none; } }

/* ═══ PRIMITIVES ═══ */
.shell { width: 100%; max-width: var(--shell-width); margin-inline: auto; padding-inline: var(--s5); }
@media (min-width: 768px) { .shell { padding-inline: var(--s7); } }

.stack > * + * { margin-top: var(--s4); }
.text-gold { color: var(--gold-hi); }

.gold-ink {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* Étiquette */
.tag {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: var(--t-tiny); font-weight: 700;
  letter-spacing: .11em; text-transform: uppercase;
  padding: 7px 14px; border-radius: var(--r-full);
  background: var(--gold-veil); color: var(--gold-hi);
  border: 1px solid rgba(212,175,55,.22);
  width: fit-content;
}
.tag--cyan  { background: var(--cyan-veil);   color: var(--cyan);   border-color: rgba(82,229,250,.24); }
.tag--ember { background: var(--ember-veil);  color: var(--ember);  border-color: rgba(255,107,74,.26); }
.tag--jade  { background: var(--jade-veil);   color: var(--jade);   border-color: rgba(52,216,160,.26); }
.tag--violet{ background: var(--violet-veil); color: var(--violet); border-color: rgba(139,107,255,.26); }

/* Panneau vitré */
.glass {
  background: var(--glass-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  backdrop-filter: blur(22px) saturate(1.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
}

/* ═══ BOUTONS ═══ */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s2); padding: 15px 30px; border-radius: var(--r-full);
  font-size: var(--t-base); font-weight: 700; letter-spacing: -.005em;
  cursor: pointer; overflow: hidden; white-space: nowrap;
  transition: transform var(--d-fast) var(--e-spring),
              box-shadow var(--d-mid) var(--e-out),
              background var(--d-fast) var(--e-out),
              border-color var(--d-fast) var(--e-out),
              opacity var(--d-fast) var(--e-out);
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.965); }
.btn:disabled { opacity: .42; cursor: not-allowed; transform: none !important; }

.btn--gold {
  background: var(--grad-gold-h);
  color: #0A0C11;
  box-shadow: var(--sh-gold);
  border: none;
}
.btn--gold::after {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-sheen);
  transform: translateX(-130%);
  transition: transform var(--d-lush) var(--e-out);
}
.btn--gold:hover { box-shadow: 0 16px 52px rgba(212,175,55,.38), 0 3px 14px rgba(212,175,55,.24); }
.btn--gold:hover::after { transform: translateX(130%); }
@media (hover: hover) { .btn--gold:hover { transform: translateY(-2px); } }

.btn--ghost {
  background: var(--glass-2);
  color: var(--ink);
  border: 1px solid var(--hairline-lit);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.btn--ghost:hover { background: var(--glass-3); border-color: rgba(212,175,55,.38); }

.btn--bare { background: transparent; color: var(--ink-soft); padding: 12px 18px; }
.btn--bare:hover { color: var(--gold-hi); }

/* Bouton WhatsApp — remplace l'affichage brut du numéro de téléphone.
   Couleurs officielles de la marque, volontairement hors palette dorée
   pour que le canal de contact soit identifié en un coup d'œil. */
.btn--wa {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #06210F;
  border: none;
  padding: 12px 22px;
  font-size: var(--t-sm);
  box-shadow: 0 8px 26px rgba(37, 211, 102, .26);
  text-decoration: none;
}
.btn--wa:hover { box-shadow: 0 14px 40px rgba(37, 211, 102, .38); color: #06210F; }
@media (hover: hover) { .btn--wa:hover { transform: translateY(-2px); } }
.btn__wa { width: 19px; height: 19px; fill: currentColor; flex: 0 0 auto; }

.btn--wa { background: linear-gradient(135deg, #2FE07A, #1FA855); color: #04180C; box-shadow: 0 12px 34px rgba(37,211,102,.3); }
.btn--wa:hover { box-shadow: 0 16px 46px rgba(37,211,102,.42); }

.btn--block { width: 100%; }
.btn--lg { padding: 18px 38px; font-size: var(--t-md); }
.btn--sm { padding: 10px 20px; font-size: var(--t-sm); }

/* ═══ CHAMPS ═══ */
.field { display: flex; flex-direction: column; gap: 7px; }
.field__label {
  font-size: var(--t-xs); font-weight: 650; color: var(--ink-mute);
  letter-spacing: .045em; text-transform: uppercase;
}
.field__input {
  width: 100%; padding: 14px 16px;
  background: var(--glass-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  color: var(--ink); font-size: var(--t-base);
  transition: border-color var(--d-fast) var(--e-out),
              background var(--d-fast) var(--e-out),
              box-shadow var(--d-fast) var(--e-out);
}
.field__input::placeholder { color: var(--ink-faint); }
.field__input:focus {
  outline: none;
  border-color: rgba(212,175,55,.55);
  background: var(--glass-2);
  box-shadow: 0 0 0 4px var(--gold-mist);
}
.field__input[aria-invalid="true"] {
  border-color: rgba(242,86,77,.6);
  box-shadow: 0 0 0 4px rgba(242,86,77,.09);
}
.field__hint { font-size: var(--t-xs); color: var(--ink-faint); }
.field__error { font-size: var(--t-xs); color: var(--crimson); min-height: 1em; }

/* ═══ RÉVÉLATION AU SCROLL ═══ */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--d-slow) var(--e-out), transform var(--d-slow) var(--e-out);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ═══ TOASTS ═══ */
.toasts {
  position: fixed; z-index: var(--z-toast);
  bottom: calc(var(--s5) + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: var(--s2);
  width: min(420px, calc(100vw - 32px)); pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: var(--s3);
  padding: 14px 18px; border-radius: var(--r-md);
  background: rgba(20,24,33,.94);
  border: 1px solid var(--hairline-lit);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--sh-lg); color: var(--ink);
  font-size: var(--t-sm); pointer-events: auto;
  animation: toast-in .42s var(--e-spring);
}
.toast--ok   { border-left: 3px solid var(--jade); }
.toast--warn { border-left: 3px solid var(--gold); }
.toast--err  { border-left: 3px solid var(--crimson); }
.toast__ico  { font-size: 17px; flex-shrink: 0; }
.toast.is-out { animation: toast-out .3s var(--e-out) forwards; }
@keyframes toast-in  { from { opacity:0; transform: translateY(18px) scale(.94); } }
@keyframes toast-out { to   { opacity:0; transform: translateY(10px) scale(.96); } }

/* ═══ MODALE ═══ */
.modal-veil {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(4,5,8,.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--s4); opacity: 0; pointer-events: none;
  transition: opacity var(--d-mid) var(--e-out);
  overflow-y: auto;
}
.modal-veil.is-open { opacity: 1; pointer-events: auto; }
.modal {
  width: min(480px, 100%);
  background: linear-gradient(165deg, var(--elevate), var(--deep));
  border: 1px solid var(--hairline-lit);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  padding: var(--s6);
  transform: translateY(22px) scale(.965);
  transition: transform var(--d-mid) var(--e-spring);
  max-height: 92vh; overflow-y: auto;
  position: relative;
}
.modal-veil.is-open .modal { transform: none; }
.modal__x {
  position: absolute; top: 14px; right: 16px;
  width: 34px; height: 34px; border-radius: var(--r-full);
  display: grid; place-items: center;
  color: var(--ink-mute); font-size: 19px;
  transition: background var(--d-fast), color var(--d-fast);
}
.modal__x:hover { background: var(--glass-2); color: var(--ink); }
.modal__title { font-size: var(--t-xl); font-weight: 800; letter-spacing: -.02em; margin-bottom: var(--s2); }
.modal__sub { color: var(--ink-mute); font-size: var(--t-sm); margin-bottom: var(--s5); }

/* ═══ CHARGEMENT ═══ */
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.22);
  border-top-color: currentColor;
  animation: spin .68s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn.is-busy { pointer-events: none; }
.btn.is-busy .btn__label { opacity: .45; }

/* Barre de progression de lecture (haut de page) */
.readbar {
  position: fixed; top: 0; left: 0; height: 2.5px; z-index: var(--z-nav);
  background: var(--grad-gold-h);
  width: 0%;
  box-shadow: 0 0 12px var(--gold-glow);
  transition: width .1s linear;
}

@media print {
  .atmosphere, .grain, .grid-veil, .readbar { display: none !important; }
}