/* ============================================================
   COMPONENTS — header, menu AA, rail réseaux, boutons, hero,
   loader, modale. Couleurs via --fg/--bg (système négatif).
   ============================================================ */

/* ---------- Loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: var(--z-loader);
  display: grid; place-items: center; align-content: center; gap: var(--s-5); background: var(--night);
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
  /* Le JS pose .is-done ; sinon (TT5 sans JS) le loader s'efface seul après 1,9s. */
  animation: ka-loader-safety 0s linear 1.9s forwards;
}
.loader.is-done { opacity: 0; visibility: hidden; }
@keyframes ka-loader-safety { to { opacity: 0; visibility: hidden; } }
.loader__seal { width: 96px; opacity: 0; transform: translateY(8px); animation: loaderIn .8s var(--ease) forwards; }
.loader__seal svg { width: 100%; height: auto; }
.loader__seal svg path { fill: var(--white); }
.loader__spin { display: inline-block; } /* logo FIXE — pas de rotation */
.loader__bar { width: 0; height: 1px; background: var(--white-60); justify-self: center; animation: loaderBar 1.6s var(--ease) forwards; }
@keyframes loaderIn { to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } } /* conservé pour le sceau du vinyle (album), pas le loader */
@keyframes loaderBar { 0% { width: 0; opacity: 0; } 18% { opacity: 1; } 100% { width: clamp(120px, 18vw, 220px); opacity: .9; } }
@media (prefers-reduced-motion: reduce) {
  .loader { animation-delay: .4s; }
  .loader__seal { animation: none; opacity: 1; transform: none; }
  .loader__bar { animation: none; width: clamp(120px, 18vw, 220px); }
}

/* ---------- Header (fixe, transparent) ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(16px, 3vw, 32px) var(--edge);
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }

.brand { display: inline-flex; align-items: center; }
.brand svg { width: clamp(120px, 16vw, 190px); height: auto; }
.brand svg path { fill: var(--fg); transition: fill var(--dur) var(--ease-soft); }

/* Bouton-menu AA
   Au repos : logo PENCHÉ (point vers le bas) — angle réglable via --aa-rot (tunable REST).
   Menu ouvert : logo DROIT (rotation 0) → l'inverse de l'état repos. */
.aa-toggle {
  --aa-rot: 64.5deg; /* penché — +1,5° horaire vs 63° */
  position: relative; width: clamp(52px, 7.5vw, 74px); aspect-ratio: 158 / 134;
  display: grid; place-items: center;
}
.aa-toggle svg { width: 100%; height: auto; transition: transform var(--dur) var(--ease); transform-origin: 50% 50%; transform: rotate(var(--aa-rot)); }
.aa-toggle svg path { fill: var(--fg); transition: fill var(--dur) var(--ease-soft); }
/* Survol UNIQUEMENT à la souris : sur tactile le :hover « colle » et empêchait
   l'AA de revenir exactement à sa place après fermeture du menu. */
@media (hover: hover) { .aa-toggle:hover svg { transform: rotate(calc(var(--aa-rot) - 10deg)); } }
/* Ouvert (souris OU tactile) : logo droit ; fermé : retour exact à --aa-rot. */
.aa-toggle[aria-expanded="true"] svg,
.aa-toggle[aria-expanded="true"]:hover svg { transform: rotate(0deg); }
@media (prefers-reduced-motion: reduce) {
  .aa-toggle svg, .aa-toggle:hover svg, .aa-toggle[aria-expanded="true"] svg { transition: none; }
}

/* ---------- Menu CSS-only (checkbox) : ouvre/ferme SANS JavaScript ----------
   La case invisible recouvre l'AA (cliquable + focusable clavier). */
.aa-checkbox {
  position: fixed; top: clamp(16px, 3vw, 32px); right: var(--edge);
  width: clamp(48px, 7vw, 68px); height: clamp(48px, 7vw, 68px); margin: 0;
  -webkit-appearance: none; appearance: none; background: none; border: 0;
  opacity: 0; cursor: pointer; z-index: calc(var(--z-nav) + 1);
}
.aa-checkbox:checked ~ .nav-overlay { clip-path: inset(0 0 0 0); visibility: visible; }
.aa-checkbox:checked ~ .site-header .aa-toggle svg { transform: rotate(0deg); }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list a { transform: none; }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list li:nth-child(1) a { transition-delay: .12s; }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list li:nth-child(2) a { transition-delay: .18s; }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list li:nth-child(3) a { transition-delay: .24s; }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list li:nth-child(4) a { transition-delay: .30s; }
.aa-checkbox:checked ~ .nav-overlay .nav-overlay__list li:nth-child(5) a { transition-delay: .36s; }
.aa-checkbox:checked ~ .nav-overlay .nav-links { opacity: 1; }
.aa-checkbox:focus-visible ~ .site-header .aa-toggle { outline: 2px solid var(--white); outline-offset: 4px; }

/* ---------- Système négatif SANS JS : mix-blend sur header + rail ----------
   Les logos blancs s'inversent automatiquement selon le fond (blanc sur sombre,
   encre sur clair). Fallback couleur fixe si le navigateur ne gère pas le blend. */
@supports (mix-blend-mode: difference) {
  .site-header, .social-rail { mix-blend-mode: difference; }
  .site-header .brand svg path, .site-header .aa-toggle svg path { fill: #fff; }
  .social-rail, .social-rail a { color: #fff; }
}

/* ---------- Overlay de navigation (fond UNI sombre, sans photo) ---------- */
.nav-overlay {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: var(--night); color: var(--white);
  display: grid; align-content: safe center; justify-items: start;
  padding: clamp(88px, 12vh, 140px) var(--edge) clamp(40px, 8vh, 80px); gap: var(--s-3);
  overflow: hidden auto; -webkit-overflow-scrolling: touch; /* y défilable ; x clippé (item actif décalé) */
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path var(--dur-slow) var(--ease), visibility var(--dur-slow) var(--ease);
}
.nav-overlay.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.nav-overlay > *:not(.nav-overlay__bg) { position: relative; z-index: 1; }
.nav-overlay__bg { display: none; } /* fond uni : pas d'image */

.nav-overlay ul { width: var(--container); margin-inline: auto; display: grid; gap: clamp(2px, 1vh, 10px); }
.nav-overlay a {
  font-family: var(--font-display); font-size: clamp(2.1rem, 6.2vw, 4rem);
  font-weight: 400; line-height: 1.02; letter-spacing: -.015em;
  color: var(--white-60); padding-block: 2px;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
  display: inline-block;
}
.nav-overlay a:hover, .nav-overlay .current-menu-item a { color: var(--white); transform: translateX(16px); }

/* ---------- Liens marques « Écouter / Suivre » (menu + footer) ----------
   Label couture (petit, tracké) prolongé d'un filet ; logos aérés ; nom chuchoté. */
.nav-links { width: var(--container); margin: clamp(28px, 5vh, 56px) auto 0;
  display: grid; gap: clamp(28px, 5vh, 44px) clamp(40px, 7vw, 110px); grid-template-columns: 1fr; }
@media (min-width: 640px) { .nav-links { grid-template-columns: auto auto; justify-content: start; } }
.nav-links__group .label {
  display: flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-ui); font-size: .7rem; font-weight: 600;
  letter-spacing: .3em; text-transform: uppercase; color: var(--white);
  opacity: .5; margin-bottom: var(--s-5);
}
.nav-links__group .label::after { content: ""; flex: 1 0 clamp(24px, 6vw, 72px); height: 1px; background: currentColor; opacity: .45; }
.nav-links__row { display: flex; flex-wrap: wrap; gap: clamp(20px, 3.5vw, 34px); }
.nav-links__item { display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--white-80); min-height: 44px; font-family: var(--font-ui); text-align: center;
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
.nav-links__item:hover { color: var(--white); transform: translateY(-4px); }
.nav-links__item svg { width: 30px; height: 30px; fill: currentColor; flex: none; opacity: .92;
  transition: opacity var(--dur-fast) var(--ease); }
.nav-links__item:hover svg { opacity: 1; }
.nav-links__item span { font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; opacity: .45; line-height: 1; }
.nav-links__item:hover span { opacity: .95; }

@media (prefers-reduced-motion: reduce) { .nav-overlay { transition: opacity var(--dur) var(--ease); } }

/* ---------- Rail réseaux (vertical à DROITE en desktop, intégré mobile) ----------
   Plus gros + plus voyant ; couleur inversée partout via mix-blend (voir bloc négatif). */
.social-rail {
  position: fixed; right: var(--edge); top: 50%; transform: translateY(-50%); z-index: var(--z-rail);
  display: flex; flex-direction: column; gap: var(--s-2); align-items: center;
}
.social-rail::before, .social-rail::after { content: ""; width: 1px; height: 48px; background: currentColor; opacity: .4; }
.social-rail a { color: var(--fg); opacity: .9; padding: 10px;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
.social-rail a:hover { opacity: 1; transform: translateY(-3px); }
.social-rail svg { width: 24px; height: 24px; fill: currentColor; display: block; }
/* Mobile/tablette : le rail fixe est masqué (réseaux déjà dans le menu + footer). */
@media (max-width: 1024px) {
  .social-rail { display: none; }
}

/* ---------- Boutons ---------- */
.btn {
  --bw: 1px;
  display: inline-flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3) var(--s-5); min-height: 48px;
  font-family: var(--font-ui); font-size: var(--fs-small);
  text-transform: uppercase; letter-spacing: var(--tracking-label); font-weight: 600;
  color: var(--fg); border: var(--bw) solid var(--fg); background: transparent;
  position: relative; overflow: hidden; will-change: transform;
  transition: color var(--dur) var(--ease);
}
.btn::after { content: ""; position: absolute; inset: 0; background: var(--fg);
  transform: translateY(101%); transition: transform var(--dur) var(--ease); z-index: -1; }
.btn:hover { color: var(--bg); }
.btn:hover::after { transform: translateY(0); }
.btn--solid { background: var(--fg); color: var(--bg); }
.btn--solid::after { background: var(--bg); }
.btn--solid:hover { color: var(--fg); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }

/* Lien souligné animé */
.link-underline { position: relative; }
.link-underline::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease); }
.link-underline:hover::after { transform: scaleX(1); }

/* ---------- Hero accueil ---------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: end;
  overflow: hidden; background: var(--night); color: var(--white); }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after { content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 85% at 50% 28%, transparent 38%, rgba(19,25,29,.40) 100%),
    linear-gradient(180deg, rgba(19,25,29,.55) 0%, transparent 22%, transparent 42%, rgba(19,25,29,.88) 100%); }
.hero__placeholder { position: absolute; inset: 0;
  background: linear-gradient(160deg, #2a3942, #1a2429 60%, #11161a);
  display: grid; place-items: center; }
.hero__placeholder span { color: var(--white-60); font-size: var(--fs-small);
  letter-spacing: var(--tracking-label); text-transform: uppercase; }
.hero__inner { position: relative; z-index: 2; width: var(--container); margin-inline: auto;
  padding-block: clamp(96px, 14vh, 168px) clamp(48px, 8vh, 96px);
  display: grid; gap: var(--s-5); justify-items: start; }
.hero__release { display: grid; gap: var(--s-5); max-width: min(760px, 92vw); }
.hero__release-logo svg { width: clamp(280px, 56vw, 720px); height: auto; }
.hero__release-logo svg path { fill: var(--white); } /* hero volontairement sombre */
.hero__status { color: var(--white-80); }
.hero__scroll { position: absolute; left: 50%; bottom: var(--s-5); z-index: 2;
  transform: translateX(-50%); color: var(--white-60); display: grid; justify-items: center; gap: var(--s-3);
  padding: 12px; min-height: 44px; }
.hero__scroll .label { writing-mode: horizontal-tb; } /* texte horizontal */
/* Flèche vers le bas (chevron) qui descend doucement */
.hero__scroll-line { display: block; width: 11px; height: 11px; background: none;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); animation: scrollChevron 1.8s var(--ease) infinite; }
@keyframes scrollChevron {
  0%, 100% { transform: translateY(0) rotate(45deg); opacity: .45; }
  50%      { transform: translateY(6px) rotate(45deg); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .hero__scroll-line { animation: none; opacity: .8; } }

/* Mobile : le contenu est centré verticalement pour que l'indice « Défiler »
   (bas-centre) ne chevauche plus la rangée de boutons (Pré-save / Découvrir). */
@media (max-width: 720px) {
  .hero { align-items: center; }
  .hero__inner { padding-block: clamp(92px, 15vh, 116px) clamp(72px, 12vh, 96px); }
  .hero__release-logo svg { width: min(86vw, 440px); }
  .hero__scroll { bottom: clamp(10px, 2vh, 18px); gap: var(--s-2); }
  .hero__scroll .label { font-size: .7rem; letter-spacing: .14em; }
}

/* ---------- Modale (commande / generique) ---------- */
.modal { position: fixed; inset: 0; z-index: var(--z-modal); display: none; }
.modal.is-open { display: grid; place-items: center; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(8,11,13,.7); backdrop-filter: blur(3px); }
.modal__panel { position: relative; z-index: 1; width: min(92vw, 560px); max-height: 90vh; overflow: auto;
  background: var(--night); color: var(--white); padding: clamp(24px, 5vw, 48px); }
.modal__close { position: absolute; top: var(--s-4); right: var(--s-4); width: 44px; height: 44px;
  display: grid; place-items: center; color: var(--white); }
.modal__close svg { width: 20px; height: 20px; }
@media (max-width: 560px) { .modal__panel { width: 100vw; height: 100svh; max-height: none; } }

/* ---------- Formulaires ---------- */
.field { display: grid; gap: var(--s-2); margin-bottom: var(--s-4); }
.field label { font-size: var(--fs-small); letter-spacing: .06em; opacity: .8; }
.field input, .field textarea, .field select {
  font: inherit; color: inherit; background: transparent; width: 100%;
  border: 1px solid rgba(255,255,255,.42); /* contraste UI ≥3:1 */
  padding: 13px var(--s-4); border-radius: 0; /* hauteur tactile ≥44px */
}
[data-theme="light"] .field input, [data-theme="light"] .field textarea, [data-theme="light"] .field select { border-color: var(--ink-30); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--sky); outline: none; }
.field--error input, .field--error textarea { border-color: var(--error); }
.field__error { color: var(--error); font-size: var(--fs-small); }
.field--consent { grid-template-columns: auto 1fr; align-items: start; gap: var(--s-3); }
.form-success { font-family: var(--font-display); font-style: italic; font-size: var(--fs-h3); }
.hp-field { position: absolute; left: -9999px; opacity: 0; } /* honeypot */