/* ============================================
   Azro Mobilier — Light / White Theme with Gold Accents
   ============================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #faf7f1;
  --bg-elev: #ffffff;
  --ink: #2c1810;
  --ink-mid: #5a4032;
  --ink-soft: #8b7355;
  --ink-muted: #a89380;
  --gold: #b8884f;
  --gold-bright: #d4a574;
  --gold-deep: #9b6f3a;
  --copper: #a05f2a;
  --line: rgba(184, 136, 79, 0.22);
  --line-soft: rgba(184, 136, 79, 0.12);
  --shadow-1: 0 4px 14px rgba(74, 44, 26, 0.06);
  --shadow-2: 0 10px 30px rgba(74, 44, 26, 0.08);
  --shadow-3: 0 25px 50px rgba(74, 44, 26, 0.14);
  --font-serif: 'Cormorant Garamond', 'Amiri', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-ar: 'Amiri', serif;
}

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

html { scroll-behavior: smooth; background: var(--bg); }

body {
  font-family: var(--font-sans);
  color: var(--ink-mid);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

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

/* ===== Subtle paper background ===== */
.wood-bg {
  position: fixed; inset: 0; z-index: -3;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212, 165, 116, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(184, 136, 79, 0.06) 0%, transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #faf7f1 100%);
}

.grain {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      rgba(184, 136, 79, 0.018) 1px,
      transparent 2px,
      transparent 6px
    );
  opacity: 0.6;
}

.vignette {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(74, 44, 26, 0.05) 110%);
}

/* ===== Top Bar ===== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 2.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  animation: slideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand { display: flex; align-items: center; gap: 0.9rem; }

.logo-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold-bright), var(--copper));
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.6rem; font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(184, 136, 79, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 1.1rem; letter-spacing: 0.18em; color: var(--ink);
}
.brand-tag {
  font-size: 0.72rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gold-deep); opacity: 0.85;
  margin-top: 2px;
}

.lang-switch { display: flex; gap: 0.4rem; }

.lang-btn {
  background: transparent;
  color: var(--ink-mid);
  border: 1px solid var(--line);
  padding: 0.4rem 0.85rem;
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  transform: translateY(-1px);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--gold), var(--copper));
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 10px rgba(184, 136, 79, 0.35);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 6rem 2rem 3rem;
  position: relative;
}

.hero-inner {
  text-align: center;
  max-width: 800px;
  animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.eyebrow::before,
.eyebrow::after {
  content: '';
  position: absolute; top: 50%;
  width: 40px; height: 1px;
  background: linear-gradient(to right, transparent, var(--gold));
}
.eyebrow::before { right: calc(100% + 1rem); }
.eyebrow::after { left: calc(100% + 1rem); background: linear-gradient(to left, transparent, var(--gold)); }

.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.8rem;
}
.hero-title span { display: block; }
.hero-title .accent {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold), var(--copper));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 600;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-mid);
  opacity: 0.85;
  max-width: 580px;
  margin: 0 auto 3rem;
}

.scroll-hint {
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
  animation: fadeUp 1s ease 1.5s both;
}
.scroll-arrow {
  font-size: 1.2rem;
  color: var(--gold);
  animation: bounce 2s ease-in-out infinite;
}

/* ===== Catalogues ===== */
.catalogues {
  padding: 4rem 2rem 5rem;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  text-align: center;
  color: var(--ink);
  margin-bottom: 0.6rem;
}

.section-sub {
  text-align: center;
  color: var(--ink-soft);
  opacity: 0.85;
  margin-bottom: 3.5rem;
  font-size: 1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.card {
  --delay: 0s;
  position: relative;
  display: flex; flex-direction: column;
  padding: 2.5rem 2rem 2.2rem;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  text-decoration: none;
  color: var(--ink);
  cursor: pointer;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.5s ease,
              border-color 0.5s ease;
  opacity: 0;
  animation: cardIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) var(--delay) forwards;
  isolation: isolate;
}

.card::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%),
              rgba(212, 165, 116, 0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-10px) scale(1.015);
  border-color: var(--gold);
  box-shadow: var(--shadow-3);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 72px; height: 72px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(212, 165, 116, 0.18), rgba(184, 136, 79, 0.08));
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--gold-deep);
  margin-bottom: 1.6rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease;
}
.card-icon svg { width: 36px; height: 36px; }

.card:hover .card-icon {
  transform: rotate(-6deg) scale(1.1);
  background: linear-gradient(135deg, var(--gold), var(--copper));
  color: #ffffff;
  border-color: transparent;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--ink-mid);
  opacity: 0.85;
  margin-bottom: 1.8rem;
  flex-grow: 1;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-deep);
  transition: transform 0.4s ease, letter-spacing 0.4s ease;
}

.card:hover .card-cta {
  transform: translateX(6px);
  letter-spacing: 0.2em;
}

body[dir="rtl"] .card:hover .card-cta { transform: translateX(-6px); }

.card-shine {
  position: absolute; top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent 30%, rgba(212, 165, 116, 0.12) 50%, transparent 70%);
  transform: skewX(-20deg);
  transition: left 0.8s ease;
  pointer-events: none;
}
.card:hover .card-shine { left: 150%; }

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  opacity: 0.75;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--line-soft);
}

/* ============================================
   VIEWER PAGE
   ============================================ */

.viewer-page { display: flex; flex-direction: column; min-height: 100vh; }

.viewer-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 1px 0 rgba(74, 44, 26, 0.03);
  position: sticky; top: 0; z-index: 50;
  animation: slideDown 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: rgba(184, 136, 79, 0.08);
  color: var(--gold-deep);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.back-btn:hover {
  background: rgba(184, 136, 79, 0.15);
  border-color: var(--gold);
  transform: translateX(-3px);
}
body[dir="rtl"] .back-btn:hover { transform: translateX(3px); }
body[dir="rtl"] .back-arrow { transform: scaleX(-1); display: inline-block; }

.viewer-title-wrap { flex: 1; text-align: center; min-width: 0; }

.viewer-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.viewer-sub {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  opacity: 0.85;
  margin-top: 2px;
}

.viewer-actions { display: flex; gap: 0.6rem; align-items: center; }

.viewer-lang { margin-right: 0.4rem; }
.viewer-lang .lang-btn { padding: 0.35rem 0.7rem; font-size: 0.72rem; }

.action-btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.55rem 1rem;
  background: transparent;
  color: var(--ink-mid);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.action-btn:hover {
  background: linear-gradient(135deg, var(--gold), var(--copper));
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(184, 136, 79, 0.3);
}

.action-btn.primary {
  background: linear-gradient(135deg, var(--gold), var(--copper));
  color: #ffffff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(184, 136, 79, 0.3);
}
.action-btn.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(184, 136, 79, 0.45);
}

/* Zoom controls */
.zoom-controls {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.5rem;
  background: rgba(184, 136, 79, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.zoom-btn {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: transparent;
  color: var(--gold-deep);
  border: none;
  border-radius: 50%;
  font-size: 1.1rem; font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.zoom-btn:hover { background: rgba(184, 136, 79, 0.18); transform: scale(1.1); }
.zoom-level {
  font-size: 0.75rem; font-weight: 500;
  color: var(--ink-mid);
  min-width: 38px; text-align: center;
  letter-spacing: 0.05em;
}

/* Viewer main */
.viewer-main {
  flex: 1;
  padding: 2rem 1.5rem 6rem;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.pdf-container {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  min-height: calc(100vh - 200px);
}

.pdf-pages {
  display: flex; flex-direction: column; align-items: center;
  gap: 1.6rem;
}

.pdf-page-card {
  position: relative;
  background: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow:
    0 12px 30px rgba(74, 44, 26, 0.12),
    0 0 0 1px var(--line-soft);
  opacity: 0;
  transform: translateY(20px);
  animation: pageIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 100%;
}

.pdf-page-card canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Native browser PDF viewer (used for Arabic to preserve font shaping) */
.pdf-native {
  width: 100%;
  height: calc(100vh - 160px);
  border: 0;
  background: #ffffff;
  border-radius: 10px;
  box-shadow:
    0 16px 40px rgba(74, 44, 26, 0.14),
    0 0 0 1px var(--line-soft);
  animation: pageIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
@media (max-width: 768px) {
  .pdf-native { height: calc(100vh - 200px); border-radius: 6px; }
}

.page-label {
  position: absolute;
  bottom: 10px; right: 14px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--gold-deep);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

@keyframes pageIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Loader / progress */
.pdf-loader {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.2rem;
  padding: 5rem 2rem;
  color: var(--ink-mid);
  transition: opacity 0.5s ease;
}

.pdf-loader.hidden { opacity: 0; pointer-events: none; }

.loader-spinner {
  width: 48px; height: 48px;
  border: 3px solid rgba(184, 136, 79, 0.18);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.pdf-loader p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink-soft);
}

.progress-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  width: min(260px, 70vw);
}
.progress-bar {
  width: 100%; height: 5px;
  background: rgba(184, 136, 79, 0.15);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--copper));
  border-radius: 999px;
  transition: width 0.3s ease;
}
.progress-text {
  font-size: 0.75rem;
  color: var(--ink-soft);
  opacity: 0.8;
  letter-spacing: 0.1em;
}

/* Error */
.pdf-error {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  padding: 4rem 2rem;
  text-align: center;
  color: var(--ink-mid);
}
.error-title { font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink); }
.error-msg { max-width: 480px; opacity: 0.85; }

/* Floating download FAB */
.fab-download {
  position: fixed;
  bottom: 2rem;
  z-index: 60;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--gold), var(--copper));
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 999px;
  box-shadow:
    0 12px 30px rgba(184, 136, 79, 0.4),
    0 4px 12px rgba(74, 44, 26, 0.15);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s ease,
              padding 0.4s ease;
  animation: fabIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

html[dir="ltr"] .fab-download { right: 2rem; }
html[dir="rtl"] .fab-download { left: 2rem; }

.fab-download:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow:
    0 18px 40px rgba(184, 136, 79, 0.55),
    0 6px 18px rgba(74, 44, 26, 0.18);
}

.fab-download.compact { padding: 0.95rem; }
.fab-download.compact .fab-label { display: none; }

@keyframes fabIn {
  from { opacity: 0; transform: translateY(40px) scale(0.7); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Fallback toast — shown when a language variant isn't available */
.fallback-toast {
  position: fixed;
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: 70;
  padding: 0.7rem 1.2rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(74, 44, 26, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.fallback-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .topbar { padding: 1rem 1.2rem; }
  .brand-tag { display: none; }
  .lang-btn { padding: 0.35rem 0.7rem; font-size: 0.72rem; }
  .hero { padding: 5rem 1.2rem 2rem; }
  .catalogues { padding: 3rem 1.2rem 4rem; }
  .cards-grid { gap: 1.2rem; }
  .card { padding: 2rem 1.5rem 1.8rem; }
  .viewer-bar { flex-wrap: wrap; padding: 0.8rem 1rem; gap: 0.6rem; }
  .viewer-title-wrap { order: 3; flex-basis: 100%; text-align: left; }
  .viewer-title { font-size: 1.1rem; white-space: normal; }
  .action-btn:not(.primary) span { display: none; }
  .action-btn:not(.primary) { padding: 0.5rem; }
  .action-btn.primary { padding: 0.5rem 0.85rem; font-size: 0.78rem; }
  .zoom-level { display: none; }
  .viewer-main { padding: 1rem 0.8rem 5rem; }
  .pdf-pages { gap: 1rem; }
  .pdf-page-card { border-radius: 6px; }
  html[dir="ltr"] .fab-download { right: 1rem; }
  html[dir="rtl"] .fab-download { left: 1rem; }
  .fab-download { bottom: 1rem; padding: 0.85rem 1.2rem; }
}

@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
}

/* RTL adjustments */
body[dir="rtl"] .lang-switch { flex-direction: row-reverse; }
body[dir="rtl"] .eyebrow::before { right: auto; left: calc(100% + 1rem); background: linear-gradient(to left, transparent, var(--gold)); }
body[dir="rtl"] .eyebrow::after { left: auto; right: calc(100% + 1rem); background: linear-gradient(to right, transparent, var(--gold)); }
body[dir="rtl"] .scroll-arrow { transform: none; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}