/* ==========================================================================
   Aquasel Eau Thermale — Design System "Liquid Glass"
   Thème clair, dominante aquatique (bleu thermal, blanc nacré, argenté).
   ========================================================================== */

:root {
  /* --- Palette aquatique --- */
  --asl-bg: #f3f8fc;
  --asl-bg-alt: #e9f3fb;
  --asl-white: #ffffff;
  --asl-ink: #0d2436;
  --asl-ink-soft: #4a6376;
  --asl-blue-900: #063a6b;
  --asl-blue-700: #0a6cc9;
  --asl-blue-500: #2ea0f0;
  --asl-blue-300: #8fd0ff;
  --asl-cyan: #34e0d8;
  --asl-silver: #c7d6e2;
  --asl-gold: #d7b98a;

  /* --- Verre liquide --- */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-border-glow: rgba(46, 160, 240, 0.45);
  --glass-shadow: 0 8px 32px rgba(6, 58, 107, 0.12);
  --glass-shadow-lg: 0 20px 60px rgba(6, 58, 107, 0.18);
  --glass-blur: blur(16px);
  --glass-blur-lg: blur(24px);

  /* --- Rythme / forme --- */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --ease-liquid: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.45s;
  --dur-slow: 0.9s;

  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, #d9edfb 0%, transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, #e3f7f4 0%, transparent 55%),
    var(--asl-bg);
  color: var(--asl-ink);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

[dir="rtl"] body { font-family: "IBM Plex Sans Arabic", "Plus Jakarta Sans", system-ui, sans-serif; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 20px;
}

/* ==========================================================================
   Liquid Glass primitives
   ========================================================================== */

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  position: relative;
  isolation: isolate;
}

.glass::before {
  /* Bordure lumineuse en dégradé + reflet supérieur, effet "verre poli" */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(46,160,240,0.35) 40%, rgba(255,255,255,0.1) 70%, rgba(52,224,216,0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}

.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
}

.glass-card {
  padding: 28px;
  transition: transform var(--dur-med) var(--ease-liquid), box-shadow var(--dur-med) var(--ease-liquid), border-color var(--dur-med);
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--glass-shadow-lg);
  border-color: var(--glass-border-glow);
}

/* Reflet dynamique au survol (suit la souris via variables --mx/--my posées en JS) */
.glass-shine {
  position: relative;
  overflow: hidden;
}
.glass-shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,0.55), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-fast) ease;
  pointer-events: none;
  z-index: 2;
}
.glass-shine:hover::after { opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--dur-fast) var(--ease-liquid), box-shadow var(--dur-fast) var(--ease-liquid), filter var(--dur-fast);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--asl-blue-700), var(--asl-blue-900));
  box-shadow: 0 10px 30px rgba(10, 108, 201, 0.35);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 14px 36px rgba(10, 108, 201, 0.45); transform: translateY(-2px); }

.btn-whatsapp {
  color: #fff;
  background: linear-gradient(135deg, #25d366, #128c4c);
  box-shadow: 0 10px 30px rgba(18, 140, 76, 0.3);
}
.btn-whatsapp:hover { filter: brightness(1.08); transform: translateY(-2px); }

.btn-glass {
  color: var(--asl-blue-900);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}
.btn-glass:hover { background: var(--glass-bg-strong); transform: translateY(-2px); }

.btn-block { width: 100%; }

/* ==========================================================================
   Typographie
   ========================================================================== */

h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.01em; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--asl-blue-700);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
}
.text-soft { color: var(--asl-ink-soft); }
.gradient-text {
  background: linear-gradient(135deg, var(--asl-blue-700), var(--asl-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Header / navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 248, 252, 0.72);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255,255,255,0.5);
}

.announcement-bar {
  background: linear-gradient(90deg, var(--asl-blue-900), var(--asl-blue-700));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 0;
  overflow: hidden;
  white-space: nowrap;
}
.announcement-bar__track {
  display: inline-flex;
  gap: 48px;
  animation: marquee 22s linear infinite;
}
[dir="rtl"] .announcement-bar__track { animation-direction: reverse; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 14px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 28px; font-size: 0.92rem; font-weight: 600; color: var(--asl-ink-soft); }
.nav-links a { transition: color var(--dur-fast); }
.nav-links a:hover { color: var(--asl-blue-700); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-switch { display: flex; gap: 4px; padding: 4px; border-radius: var(--radius-pill); background: var(--glass-bg); border: 1px solid var(--glass-border); }
.lang-switch a {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--asl-ink-soft);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-switch a.active, .lang-switch a:hover { background: var(--asl-blue-700); color: #fff; }

/* Easter-egg: la recherche se comporte normalement, aucune indication visuelle. */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}
.search-box input { border: none; background: transparent; outline: none; font-size: 0.85rem; width: 140px; color: var(--asl-ink); }

/* ==========================================================================
   Hero / carrousel
   ========================================================================== */

.hero {
  position: relative;
  padding-block: 64px 40px;
  overflow: hidden;
}

.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: -1;
  animation: float 12s ease-in-out infinite;
}
.hero::before { width: 420px; height: 420px; background: radial-gradient(circle, var(--asl-blue-300), transparent 70%); top: -120px; inset-inline-start: -100px; opacity: 0.7; }
.hero::after { width: 360px; height: 360px; background: radial-gradient(circle, var(--asl-cyan), transparent 70%); bottom: -140px; inset-inline-end: -80px; opacity: 0.55; animation-delay: -6s; }

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-30px) translateX(20px); }
}

.hero-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; padding: 10px 18px; font-size: 0.82rem; font-weight: 600; color: var(--asl-blue-900); }
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--asl-cyan); box-shadow: 0 0 0 4px rgba(52,224,216,0.25); }

.hero h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 800; text-align: center; margin-inline: auto; max-width: 900px; }
.hero p.lead { text-align: center; max-width: 720px; margin: 24px auto 0; font-size: 1.05rem; color: var(--asl-ink-soft); }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.hero-stats .stat { padding: 20px; text-align: center; }
.hero-stats .stat .value { font-size: 1.4rem; font-weight: 800; color: var(--asl-blue-900); }
.hero-stats .stat .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--asl-ink-soft); margin-top: 4px; }

.hero-cta { display: flex; justify-content: center; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

.hero-slider { margin-top: 56px; position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--glass-shadow-lg); }
.hero-slide { position: relative; aspect-ratio: 16/7; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide__caption {
  position: absolute; inset-inline-start: 32px; bottom: 32px;
  padding: 20px 26px; max-width: 420px;
}

/* ==========================================================================
   Sections génériques
   ========================================================================== */

.section { padding-block: 72px; }
.section-head { text-align: center; max-width: 680px; margin-inline: auto 56px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; margin-top: 14px; }
.section-head p { margin-top: 14px; color: var(--asl-ink-soft); }

/* Bulles minérales */
.mineral-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 18px; }
.mineral-card { text-align: center; padding: 26px 16px; }
.mineral-symbol {
  width: 64px; height: 64px; margin: 0 auto 16px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; color: #fff;
  background: linear-gradient(135deg, var(--asl-blue-700), var(--asl-cyan));
  box-shadow: 0 10px 24px rgba(10,108,201,0.35);
}
.mineral-card .name { font-weight: 700; margin-top: 4px; }
.mineral-card .ion { font-size: 0.78rem; color: var(--asl-ink-soft); }

/* Tableau comparatif */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border-radius: var(--radius-md); }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: start; font-size: 0.9rem; }
.compare-table thead th { background: rgba(255,255,255,0.5); font-weight: 700; color: var(--asl-blue-900); }
.compare-table tbody tr { border-top: 1px solid rgba(199,214,226,0.5); }
.compare-table td.win { color: var(--asl-blue-700); font-weight: 700; }

/* ==========================================================================
   Produits
   ========================================================================== */

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) {
  .detail-grid { grid-template-columns: 1fr; gap: 28px; }
}

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.product-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.product-card__media { position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius-md) var(--radius-md) 0 0; background: var(--asl-white); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-liquid); }
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__price { position: absolute; top: 14px; inset-inline-end: 14px; padding: 8px 16px; font-weight: 800; font-size: 0.9rem; color: var(--asl-blue-900); border-radius: var(--radius-pill); }
.product-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.product-card__eyebrow { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--asl-blue-700); }
.product-card__title { font-size: 1.08rem; font-weight: 700; }
.product-card__desc { font-size: 0.86rem; color: var(--asl-ink-soft); flex: 1; }
.product-card__bullets { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; }
.product-card__bullets li { display: flex; align-items: center; gap: 8px; }
.product-card__bullets li::before { content: "✓"; color: var(--asl-cyan); font-weight: 800; }
.product-card__actions { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }

/* ==========================================================================
   Formulaire de commande directe (modal glass)
   ========================================================================== */

.order-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(6, 58, 107, 0.35);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-liquid);
}
.order-modal-overlay.is-open { opacity: 1; pointer-events: auto; }

.order-modal {
  width: 100%; max-width: 480px;
  max-height: 90vh; overflow-y: auto;
  padding: 32px;
  transform: translateY(24px) scale(0.97);
  transition: transform var(--dur-med) var(--ease-liquid);
}
.order-modal-overlay.is-open .order-modal { transform: translateY(0) scale(1); }

.order-modal__close { position: absolute; top: 18px; inset-inline-end: 18px; width: 36px; height: 36px; border-radius: 50%; background: var(--glass-bg); border: 1px solid var(--glass-border); font-size: 1.1rem; display: flex; align-items: center; justify-content: center; }

.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.82rem; font-weight: 700; margin-bottom: 6px; color: var(--asl-ink); }
.form-field input[type="text"], .form-field input[type="tel"], .form-field input[type="email"],
.form-field input[type="password"], .form-field input[type="url"], .form-field input[type="number"],
.form-field input[type="date"], .form-field select, .form-field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--asl-silver); background: rgba(255,255,255,0.7);
  font-size: 0.92rem; color: var(--asl-ink);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--asl-blue-500); box-shadow: 0 0 0 4px rgba(46,160,240,0.15);
}
.form-field .error-msg { color: #d1435b; font-size: 0.76rem; margin-top: 4px; min-height: 14px; }

.radio-group { display: flex; gap: 10px; }
.radio-pill {
  flex: 1; padding: 12px; text-align: center; border-radius: var(--radius-sm);
  border: 1px solid var(--asl-silver); background: rgba(255,255,255,0.5);
  font-size: 0.84rem; font-weight: 600; cursor: pointer;
  transition: all var(--dur-fast);
}
.radio-pill input { display: none; }
.radio-pill.is-active { border-color: var(--asl-blue-700); background: rgba(46,160,240,0.12); color: var(--asl-blue-900); }

.order-total {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(46,160,240,0.14), rgba(52,224,216,0.12));
  margin: 18px 0;
  font-weight: 700;
}
.order-total .amount { font-size: 1.3rem; color: var(--asl-blue-900); }

.honeypot-field { position: absolute; left: -9999px; opacity: 0; }

.order-feedback { display: none; text-align: center; padding: 24px 0; }
.order-feedback.is-visible { display: block; }
.order-feedback .icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(135deg, var(--asl-cyan), var(--asl-blue-700)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.6rem; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer { padding-block: 56px 28px; margin-top: 48px; border-top: 1px solid rgba(199,214,226,0.5); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { font-size: 0.9rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.86rem; color: var(--asl-ink-soft); }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(199,214,226,0.5); display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--asl-ink-soft); flex-wrap: wrap; gap: 12px; }

/* ==========================================================================
   Scroll reveal (léger, sans dépendance) + parallax hero
   ========================================================================== */

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 0.5s var(--ease-liquid), transform 0.5s var(--ease-liquid); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="scale"] { transform: translateY(0) scale(0.96); }
[data-reveal="scale"].is-visible { transform: translateY(0) scale(1); }

/* Respecte la préférence système "réduire les animations" (accessibilité +
   évite tout effet de décalage perçu sur les appareils qui en sont sensibles). */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .radio-group { flex-direction: column; }
  .order-modal { padding: 24px; }

  /* Header : la barre de recherche reste toujours accessible (point d'entrée
     Easter Egg de l'admin), le reste se resserre pour tenir sur un écran mobile. */
  .navbar { gap: 10px; padding-block: 10px; }
  .navbar .brand img { height: 30px; }
  .nav-actions { gap: 8px; }
  .navbar > .nav-actions > .btn-whatsapp { display: none; } /* redondant avec la barre mobile fixe en bas */
  .search-box { padding: 6px 10px; }
  .search-box input { width: 70px; font-size: 0.78rem; }
  .lang-switch a { padding: 5px 8px; font-size: 0.7rem; }
  .announcement-bar { font-size: 0.68rem; }
}

/* Barre WhatsApp + Produits flottante mobile */
.mobile-order-bar {
  display: none;
  position: fixed; bottom: 0; inset-inline: 0; z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  gap: 10px;
  background: rgba(243, 248, 252, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 -8px 24px rgba(6, 58, 107, 0.1);
}
/* Les deux boutons doivent se partager la largeur à parts égales : `flex` prime
   sur le `width:100%` de .btn-block, qui seul provoquait un rendu instable
   (un bouton qui écrase l'autre) dans un conteneur flex. */
.mobile-order-bar .btn { flex: 1 1 0; width: auto; min-width: 0; }
@media (max-width: 720px) {
  .mobile-order-bar { display: flex; }
  body { padding-bottom: 80px; }
}