/* =============================================================
   proteger-mes-donnees.fr : Couche d'effets (fx)
   Glassmorphisme sobre, dégradés teal, animations d'entrée et
   animation de logo dans l'en-tête. Tout est désactivé sous
   prefers-reduced-motion, et rien ne masque le contenu sans JS.
   ============================================================= */

/* ---------- Dégradés réutilisables ------------------------- */
:root {
  --grad-primary: linear-gradient(135deg, var(--c-primary-500), var(--c-primary-700));
  --grad-primary-strong: linear-gradient(135deg, var(--c-primary-400), var(--c-primary-800));
  --glass-bg: color-mix(in srgb, var(--c-white) 72%, transparent);
  --glass-border: color-mix(in srgb, var(--c-white) 70%, var(--c-primary-200));
}

/* =============================================================
   1. EN-TÊTE en verre + liseré dégradé animé
   ============================================================= */
.site-header {
  background: color-mix(in srgb, var(--c-white) 78%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}
.site-header::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-primary-400), var(--c-amber-500), var(--c-primary-400), transparent);
  background-size: 200% 100%;
  opacity: 0.55;
}
@media (prefers-reduced-motion: no-preference) {
  .site-header::after { animation: headerSheen 9s linear infinite; }
}
@keyframes headerSheen { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* =============================================================
   2. LOGO : entrée + reflet (présent dans l'en-tête de chaque page)
   ============================================================= */
.brand__mark, .fx-logo { position: relative; overflow: hidden; isolation: isolate; }
/* reflet diagonal */
.brand__mark::after, .fx-logo::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,0.55) 50%, transparent 62%);
  transform: translateX(-160%);
}
@media (prefers-reduced-motion: no-preference) {
  .site-header .brand__mark { animation: logoIn 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  .site-header .brand__mark::after { animation: logoShine 1s ease 0.45s 1 both; }
  /* rejouer le reflet au survol */
  .brand:hover .brand__mark::after { animation: logoShine 0.8s ease 1; }
  .fx-logo-run { animation: logoIn 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  .fx-logo-run::after { animation: logoShine 1s ease 0.3s 1 both; }
}
@keyframes logoIn {
  from { transform: scale(0.5) rotate(-12deg); opacity: 0; }
  55%  { opacity: 1; }
  to   { transform: none; opacity: 1; }
}
@keyframes logoShine {
  from { transform: translateX(-160%); }
  to   { transform: translateX(160%); }
}

/* =============================================================
   3. HÉROS : maille de dégradés douce et animée
   ============================================================= */
.hero, .silo-hero, .note-hero, .ds-hero { position: relative; overflow: hidden; isolation: isolate; }
.hero::before, .silo-hero::before, .note-hero::before, .ds-hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 140%; z-index: -1;
  background:
    radial-gradient(42% 55% at 12% 8%, color-mix(in srgb, var(--c-primary-300) 55%, transparent), transparent 70%),
    radial-gradient(38% 50% at 88% 0%, color-mix(in srgb, var(--c-primary-200) 60%, transparent), transparent 72%),
    radial-gradient(45% 60% at 70% 30%, color-mix(in srgb, var(--c-amber-100) 45%, transparent), transparent 75%);
  filter: blur(8px);
  opacity: 0.9;
}
@media (prefers-reduced-motion: no-preference) {
  .hero::before, .silo-hero::before, .note-hero::before, .ds-hero::before {
    animation: meshDrift 22s ease-in-out infinite alternate;
  }
}
@keyframes meshDrift {
  from { transform: translate3d(-2%, -1%, 0) scale(1.02); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

/* =============================================================
   4. VERRE sur les surfaces flottantes
   ============================================================= */
.hero__card, .orient__head {
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-color: var(--glass-border);
}
.consent {
  background: color-mix(in srgb, var(--c-white) 82%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
/* carte statut (avis) : léger dégradé pour la décoller du fond blanc */
.status-card {
  background: linear-gradient(180deg, var(--c-primary-50), var(--c-white) 40%);
}

/* =============================================================
   5. ACCENTS dégradés (sobres)
   ============================================================= */
.btn-primary {
  background: var(--grad-primary);
  background-size: 140% 140%;
  transition: background-position var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-primary:hover { background-position: 100% 100%; background-image: var(--grad-primary-strong); }
.silo .silo-ic, .silo-hero .ic { background: var(--grad-primary); }
.grad-text {
  background: linear-gradient(120deg, var(--c-primary-700), var(--c-primary-500) 60%, var(--c-amber-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* =============================================================
   6. RÉVÉLATION AU DÉFILEMENT (progressive enhancement)
   Le masquage ne s'active que si .js-reveal est posée par fx.js.
   ============================================================= */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.js-reveal [data-reveal].is-in { opacity: 1; transform: none; }

/* zoom léger pour les cartes */
.js-reveal [data-reveal="zoom"] { transform: translateY(16px) scale(0.98); }
.js-reveal [data-reveal="zoom"].is-in { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js-reveal [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* =============================================================
   7. WIDGETS : barre de lecture, retour en haut, partage, avis
   ============================================================= */

/* Barre de progression de lecture */
.reading-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 50;
  background: transparent; pointer-events: none;
}
.reading-bar__fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--c-primary-500), var(--c-primary-700));
  transition: width 0.08s linear;
}

/* Bouton retour en haut */
.to-top {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem);
  z-index: 45; width: 46px; height: 46px; border-radius: 50%;
  background: var(--glass-bg); backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border: 1px solid var(--glass-border); box-shadow: var(--shadow-md);
  color: var(--c-primary-700); display: grid; place-items: center; cursor: pointer;
  opacity: 0; transform: translateY(12px) scale(0.9); pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--c-primary-50); color: var(--c-primary-800); }
.to-top svg { width: 22px; height: 22px; }

/* Bloc actions d'article : partage + utilité */
.article-actions {
  display: grid; gap: var(--sp-4); grid-template-columns: 1fr;
  border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: var(--sp-5); background: var(--bg-subtle); margin-block: var(--sp-6);
}
@media (min-width: 680px) { .article-actions { grid-template-columns: 1fr 1fr; align-items: center; } }

.share { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.share__label { font-size: var(--fs-sm); font-weight: 600; color: var(--text-secondary); }
.share__btns { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.share__btn {
  display: inline-flex; align-items: center; gap: 0.4em; font: inherit; font-size: var(--fs-sm); font-weight: 600;
  cursor: pointer; background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--r-pill); padding: 0.5em 0.9em; color: var(--text); text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}
.share__btn:hover { border-color: var(--c-primary-300); color: var(--c-primary-800); background: var(--c-primary-50); transform: translateY(-1px); }
.share__btn .icon { width: 1.05em; height: 1.05em; }
.share__btn.copied { border-color: var(--c-success-500); color: var(--c-success-700); background: var(--c-success-50); }

.helpful { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; justify-content: flex-start; }
@media (min-width: 680px) { .helpful { justify-content: flex-end; } }
.helpful__q { font-size: var(--fs-sm); font-weight: 600; color: var(--text-secondary); }
.helpful__btn {
  display: inline-flex; align-items: center; gap: 0.4em; font: inherit; font-size: var(--fs-sm); font-weight: 600;
  cursor: pointer; background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--r-pill); padding: 0.5em 1em; color: var(--text);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}
.helpful__btn:hover { border-color: var(--c-primary-300); background: var(--c-primary-50); transform: translateY(-1px); }
.helpful__btn[aria-pressed="true"] { border-color: var(--c-primary-500); background: var(--c-primary-600); color: #fff; }
.helpful__thanks { font-size: var(--fs-sm); color: var(--c-success-700); font-weight: 600; display: inline-flex; align-items: center; gap: 0.4em; }
.helpful__thanks .icon { width: 1.1em; height: 1.1em; }

/* Bouton copier du modèle de courrier */
.copy-letter {
  display: inline-flex; align-items: center; gap: 0.45em; font: inherit; font-size: var(--fs-sm); font-weight: 600;
  cursor: pointer; background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); padding: 0.6em 1em; color: var(--c-primary-700);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.copy-letter:hover { border-color: var(--c-primary-300); background: var(--c-primary-50); }
.copy-letter.copied { border-color: var(--c-success-500); color: var(--c-success-700); background: var(--c-success-50); }
.copy-letter .icon { width: 1.1em; height: 1.1em; }

/* toast discret */
.toast {
  position: fixed; left: 50%; bottom: clamp(1rem, 4vw, 2.5rem); transform: translateX(-50%) translateY(16px);
  z-index: 70; background: var(--c-neutral-900); color: #fff; font-size: var(--fs-sm); font-weight: 500;
  padding: 0.7em 1.1em; border-radius: var(--r-pill); box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity var(--transition), transform var(--transition);
  display: inline-flex; align-items: center; gap: 0.5em;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast .icon { width: 1.1em; height: 1.1em; color: var(--c-primary-300); }

/* =============================================================
   8. BANDEAU SOURCES OFFICIELLES (signaux de crédibilité)
   ============================================================= */
.source-strip-wrap { padding-block: var(--sp-7); }
.source-strip__lead {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-size: var(--fs-sm); font-weight: 600; color: var(--text-secondary);
  margin-bottom: var(--sp-5);
}
.source-strip__lead .icon { width: 1.2em; height: 1.2em; color: var(--c-primary-600); }
.source-strip {
  display: grid; gap: var(--sp-4); grid-template-columns: 1fr;
}
@media (min-width: 680px) { .source-strip { grid-template-columns: repeat(3, 1fr); } }
.source-strip__item {
  display: flex; align-items: center; gap: var(--sp-4);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5); background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.source-strip__item:hover { border-color: var(--c-primary-200); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.source-strip__logo {
  width: 60px; height: 60px; flex: none; border-radius: var(--r-md);
  display: grid; place-items: center; text-align: center;
  font-family: var(--font-mono); font-size: 8px; line-height: 1.25; color: var(--text-muted);
  border: 1px dashed var(--border-strong); background-color: var(--bg-subtle);
  background-image: repeating-linear-gradient(135deg, transparent, transparent 7px, rgba(11,125,136,0.05) 7px, rgba(11,125,136,0.05) 14px);
  padding: 4px;
}
.source-strip__name { font-weight: 700; font-size: var(--fs-base); letter-spacing: -0.01em; line-height: 1.2; }
.source-strip__name small { display: block; font-weight: 500; font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: 0; margin-top: 0.2rem; }
.source-strip__check { margin-left: auto; width: 1.6rem; height: 1.6rem; color: var(--c-primary-600); flex: none; }
.source-strip__note { font-size: var(--fs-xs); color: var(--text-muted); margin-top: var(--sp-4); display: flex; gap: 0.4rem; align-items: flex-start; }
.source-strip__note .icon { width: 1rem; height: 1rem; flex: none; margin-top: 1px; }

/* pulsation "vérifié" douce : animation présente sur chaque bandeau */
@media (prefers-reduced-motion: no-preference) {
  .source-strip__check { animation: verifiedPulse 3.2s ease-in-out infinite; transform-origin: center; }
  .source-strip__item:nth-child(2) .source-strip__check { animation-delay: 0.5s; }
  .source-strip__item:nth-child(3) .source-strip__check { animation-delay: 1s; }
}
@keyframes verifiedPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.12); opacity: 0.78; }
}