/* ===========================================================================
   Optico — Opticien à Oran
   Style sheet — palette ivoire / bleu nuit / or champagne
   Mobile-first, RTL-aware
   =========================================================================== */

:root {
  --color-bg: #FFFBF5;
  --color-bg-alt: #F5EFE3;
  --color-ink: #1A2A4F;
  --color-ink-soft: #3a4666;
  --color-accent: #C9A961;
  --color-accent-dark: #a88a40;
  --color-muted: #8b8470;
  --color-line: #e7dfc7;
  --color-white: #ffffff;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1ebd5b;

  --font-display: "Playfair Display", "Times New Roman", serif;
  --font-body: "Inter", "Cairo", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-ar: "Cairo", "Tajawal", "Noto Sans Arabic", system-ui, sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;

  --shadow-sm: 0 2px 8px rgba(26, 42, 79, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 42, 79, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 42, 79, 0.16);

  --header-h: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body[dir="rtl"] { font-family: var(--font-ar); }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-ink); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-ink); margin: 0 0 var(--space-2); line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.625rem, 4.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3.5vw, 1.625rem); }

p { margin: 0 0 var(--space-2); }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--space-3); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 251, 245, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-line);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-ink);
  letter-spacing: 0.5px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-accent);
  display: inline-grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-ink);
}
.nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.nav-toggle svg { width: 22px; height: 22px; }

.main-nav {
  position: absolute;
  inset: var(--header-h) 0 auto 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-3);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.main-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.main-nav a {
  display: block;
  padding: var(--space-2) var(--space-1);
  font-weight: 500;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-line);
}
.main-nav a.active { color: var(--color-accent-dark); }

.lang-toggle {
  display: inline-flex;
  gap: 0;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-white);
}
.lang-toggle button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.6px;
  color: var(--color-muted);
  cursor: pointer;
}
.lang-toggle button.is-active { background: var(--color-ink); color: var(--color-accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--space-5) 0 var(--space-6);
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(201, 169, 97, 0.18), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(26, 42, 79, 0.07), transparent 50%),
    var(--color-bg);
}
.hero-grid {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}
.hero h1 {
  margin-bottom: var(--space-2);
  letter-spacing: -0.5px;
}
.hero h1 .accent { color: var(--color-accent-dark); font-style: italic; }
.hero-lead {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 540px;
  margin-bottom: var(--space-3);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
  background: var(--color-bg-alt);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-badge .num { font-family: var(--font-display); font-size: 2rem; color: var(--color-accent-dark); line-height: 1; }
.hero-badge .lbl { font-size: 0.8rem; color: var(--color-ink-soft); letter-spacing: 0.5px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 14px 24px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-align: center;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--color-ink); color: var(--color-accent); border-color: var(--color-ink); }
.btn-primary:hover { background: #0f1d3d; color: var(--color-accent); }

.btn-whatsapp { background: var(--color-whatsapp); color: var(--color-white); }
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); color: var(--color-white); }

.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-ink); color: var(--color-accent); }

.btn-gold { background: var(--color-accent); color: var(--color-ink); }
.btn-gold:hover { background: var(--color-accent-dark); color: var(--color-white); }

/* ---------- Sections (generic) ---------- */
.section { padding: var(--space-6) 0; }
.section-tight { padding: var(--space-5) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-ink); color: var(--color-bg); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--color-bg); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto var(--space-5); }
.section-head .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.section-head h2 { margin-bottom: var(--space-2); }
.section-head p { color: var(--color-ink-soft); font-size: 1.05rem; }

/* ---------- About strip ---------- */
.about-grid { display: grid; gap: var(--space-4); align-items: center; }
.about-img { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text h2 { margin-bottom: var(--space-2); }
.about-text p { color: var(--color-ink-soft); }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2); margin-top: var(--space-3); }
.stat { padding: var(--space-2); background: var(--color-bg); border: 1px solid var(--color-line); border-radius: var(--radius-md); text-align: center; }
.stat .num { font-family: var(--font-display); font-size: 1.75rem; color: var(--color-accent-dark); }
.stat .lbl { font-size: 0.85rem; color: var(--color-ink-soft); }

/* ---------- Piliers (cards) ---------- */
.cards { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { aspect-ratio: 4/3; background: var(--color-bg-alt); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: var(--space-3); flex: 1; display: flex; flex-direction: column; }
.card-tag { display: inline-block; font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--color-accent-dark); font-weight: 600; margin-bottom: var(--space-1); }
.card h3 { margin-bottom: var(--space-1); }
.card p { color: var(--color-ink-soft); flex: 1; }
.card-link { margin-top: var(--space-2); font-weight: 600; color: var(--color-ink); display: inline-flex; align-items: center; gap: 6px; }
.card-link::after { content: "→"; transition: transform 0.2s ease; }
.card:hover .card-link::after { transform: translateX(4px); }
body[dir="rtl"] .card-link::after { content: "←"; }
body[dir="rtl"] .card:hover .card-link::after { transform: translateX(-4px); }

/* ---------- Brands strip ---------- */
.brands-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: center;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.brand-name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-muted);
  letter-spacing: 1px;
}

/* ---------- Testimonials ---------- */
.testimonials { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.quote {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  position: relative;
}
.quote::before {
  content: "“";
  position: absolute;
  top: -10px;
  left: var(--space-2);
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--color-accent);
}
body[dir="rtl"] .quote::before { left: auto; right: var(--space-2); }
.quote-text { font-style: italic; color: var(--color-ink-soft); margin: var(--space-2) 0; }
.quote-author { font-weight: 600; color: var(--color-ink); }
.quote-stars { color: var(--color-accent-dark); font-size: 0.95rem; }

/* ---------- CTA bar ---------- */
.cta-bar {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  background: linear-gradient(135deg, var(--color-ink) 0%, #2c3e6e 100%);
  color: var(--color-bg);
  box-shadow: var(--shadow-lg);
}
.cta-bar h2 { color: var(--color-bg); }
.cta-bar p { color: rgba(255, 251, 245, 0.85); margin-bottom: var(--space-3); }
.cta-bar .btns { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; }

/* ---------- Sticky WhatsApp ---------- */
.wa-float {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: var(--color-white);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.06); color: var(--color-white); }
.wa-float svg { width: 28px; height: 28px; }
body[dir="rtl"] .wa-float { right: auto; left: 18px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-5) 0 var(--space-3);
}
.site-footer h4 {
  color: var(--color-accent);
  font-size: 1rem;
  font-family: var(--font-body);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.footer-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.site-footer a { color: var(--color-bg); }
.site-footer a:hover { color: var(--color-accent); }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: 6px; }
.footer-credit {
  text-align: center;
  padding-top: var(--space-3);
  margin-top: var(--space-4);
  border-top: 1px solid rgba(255, 251, 245, 0.15);
  font-size: 0.85rem;
  color: rgba(255, 251, 245, 0.65);
}
.footer-credit a { color: var(--color-accent); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: var(--space-6) 0 var(--space-4);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(201, 169, 97, 0.18), transparent 60%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.page-hero h1 { margin-bottom: var(--space-2); }
.page-hero p { color: var(--color-ink-soft); max-width: 720px; margin: 0 auto; }

/* ---------- Collections (detailed grid) ---------- */
.collection-list { display: grid; gap: var(--space-5); }
.collection-block { display: grid; gap: var(--space-3); align-items: center; }
.collection-block .col-img { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-sm); }
.collection-block .col-img img { width: 100%; height: 100%; object-fit: cover; }
.collection-block h2 { margin-bottom: var(--space-1); }
.collection-block .tag { font-size: 0.78rem; letter-spacing: 2.5px; text-transform: uppercase; color: var(--color-accent-dark); font-weight: 600; }
.collection-block ul { padding-inline-start: 18px; color: var(--color-ink-soft); }
.collection-block ul li { margin-bottom: 4px; }

/* ---------- Gallery grid ---------- */
.gallery { display: grid; gap: var(--space-2); grid-template-columns: 1fr; }
.gallery .g-item { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 1/1; background: var(--color-bg-alt); box-shadow: var(--shadow-sm); }
.gallery .g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery .g-item:hover img { transform: scale(1.05); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: var(--space-4); }
.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.info-card h3 { font-family: var(--font-display); }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: var(--space-2); align-items: flex-start; padding: var(--space-1) 0; border-bottom: 1px solid var(--color-line); }
.info-list li:last-child { border-bottom: 0; }
.info-list .ico { width: 26px; height: 26px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--color-accent); color: var(--color-white); flex-shrink: 0; font-weight: 600; font-size: 0.8rem; }
.info-list .ico svg { width: 14px; height: 14px; }
.info-list a { font-weight: 500; }

.map-wrap { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 16/12; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Hours table ---------- */
.hours { width: 100%; border-collapse: collapse; }
.hours td { padding: 8px 0; border-bottom: 1px dashed var(--color-line); font-size: 0.95rem; }
.hours tr:last-child td { border-bottom: 0; }
.hours .day { color: var(--color-ink-soft); }
.hours .h { text-align: end; font-weight: 600; }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (min-width: 700px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .collection-block { grid-template-columns: 1fr 1fr; }
  .collection-block.reverse > .col-img { order: 2; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: var(--space-6); }
  .cards { grid-template-columns: repeat(4, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
  .gallery { grid-template-columns: repeat(4, 1fr); }

  /* Desktop nav */
  .nav-toggle { display: none; }
  .main-nav {
    position: static;
    inset: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: 0;
    padding: 0;
  }
  .main-nav ul {
    flex-direction: row;
    gap: var(--space-3);
    align-items: center;
  }
  .main-nav a {
    border-bottom: 0;
    padding: 8px 0;
    font-size: 0.95rem;
  }
  .main-nav a.active { border-bottom: 2px solid var(--color-accent); }
}

/* RTL adjustments */
body[dir="rtl"] .hero-eyebrow { flex-direction: row-reverse; }
body[dir="rtl"] .card-tag { letter-spacing: 0; }
body[dir="rtl"] .section-head .eyebrow { letter-spacing: 0; }
body[dir="rtl"] .hero h1 { letter-spacing: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}