/* ==========================================================================
   AVANOS HAMAM SPA — LIQUID GLASS LUXURY DESIGN SYSTEM
   Haute-Hospitality Liquid Glassmorphism, Fluid Caustics & Troglodyte Ambiance
   ========================================================================== */

/* 1. Typography */
@font-face {
  font-family: 'Amiri';
  src: url('/fonts/Amiri-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'ReemKufi';
  src: url('/fonts/ReemKufi.ttf') format('truetype');
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant';
  src: url('/fonts/CormorantGaramond.ttf') format('truetype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Marcellus';
  src: url('/fonts/Marcellus-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cinzel';
  src: url('/fonts/Cinzel.ttf') format('truetype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* 2. Root Liquid Glass & Hospitality Design Tokens */
:root {
  /* Primitive Colors */
  --color-cream: #F5EBDB;
  --color-cream-soft: #FAF4EB;
  --color-cream-muted: #D8C9B3;

  --color-espresso: #241811;
  --color-espresso-rich: #160E0A;
  --color-espresso-deep: #0E0805;

  --color-gold: #CA9752;
  --color-gold-light: #F0CF98;
  --color-gold-shimmer: #FFF0D4;
  --color-gold-dim: #9E743A;

  --color-bronze: #7B4825;
  --color-bronze-warm: #94572D;
  --color-terracotta: #8C4729;

  /* Surfaces & Canvas */
  --bg-primary: #0E0805;
  --bg-surface: #1A1009;
  --bg-surface-elevated: #24160E;

  /* LIQUID GLASS SYSTEM TOKENS */
  --glass-bg: rgba(30, 19, 13, 0.52);
  --glass-bg-hover: rgba(42, 26, 17, 0.68);
  --glass-bg-elevated: rgba(48, 30, 20, 0.78);
  --glass-bg-subtle: rgba(255, 235, 205, 0.08);

  --glass-blur: blur(28px) saturate(190%);
  --glass-blur-heavy: blur(36px) saturate(200%);
  --glass-blur-subtle: blur(14px) saturate(160%);

  --glass-border: 1px solid rgba(255, 235, 205, 0.18);
  --glass-border-specular: 1px solid rgba(255, 235, 205, 0.28);
  --glass-border-hover: 1px solid rgba(240, 207, 152, 0.55);

  --glass-specular-inset: inset 0 1px 1px 0 rgba(255, 255, 255, 0.42), inset 0 -1px 1px 0 rgba(0, 0, 0, 0.4);
  --glass-shadow: 0 16px 45px -8px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(202, 151, 82, 0.15);
  --glass-shadow-glow: 0 24px 60px -10px rgba(0, 0, 0, 0.8), 0 0 35px rgba(202, 151, 82, 0.28), inset 0 1px 2px 0 rgba(255, 255, 255, 0.5);

  /* Gradients & Shimmer */
  --gold-metallic: linear-gradient(135deg, #ECC88A 0%, #CA9752 45%, #9E743A 100%);
  --gold-metallic-hover: linear-gradient(135deg, #F5D7A4 0%, #D8A55E 50%, #B07D3E 100%);
  --liquid-water-glow: radial-gradient(circle 600px at 50% 50%, rgba(202, 151, 82, 0.15), transparent 75%);

  /* Text & Hierarchy */
  --text-primary: #F8EFE4;
  --text-secondary: #D9CBB9;
  --text-tertiary: #B3A08A;
  --text-muted: #8E7C67;
  --text-gold: #CA9752;

  /* Typography */
  --font-heading: 'Marcellus', 'Cinzel', serif;
  --font-arabic: 'Amiri', 'ReemKufi', serif;
  --font-arabic-body: 'ReemKufi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Concentric Radius Scale */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Transitions */
  --transition-fast: 180ms cubic-bezier(0.23, 1, 0.32, 1);
  --transition-normal: 300ms cubic-bezier(0.23, 1, 0.32, 1);
  --transition-slow: 500ms cubic-bezier(0.23, 1, 0.32, 1);
}

/* Theme B (Signature Bilingue — Warm Bronze Glass) */
[data-theme="B"] {
  --color-gold: #D4A360;
  --color-gold-light: #F0C98E;
  --color-bronze: #8D532C;
  --glass-bg: rgba(38, 22, 14, 0.55);
  --glass-bg-hover: rgba(48, 28, 18, 0.72);
  --glass-border: 1px solid rgba(212, 163, 96, 0.25);
  --glass-border-specular: 1px solid rgba(255, 235, 205, 0.32);
}

/* Theme C (Le Sceau Zellige — Emerald Glass) */
[data-theme="C"] {
  --color-gold: #C29A5B;
  --color-gold-light: #DEC08B;
  --bg-primary: #06130F;
  --glass-bg: rgba(12, 34, 28, 0.55);
  --glass-bg-hover: rgba(18, 48, 40, 0.72);
  --glass-border: 1px solid rgba(194, 154, 91, 0.25);
  --glass-border-specular: 1px solid rgba(255, 235, 205, 0.32);
}

/* Base Normalization */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

/* RTL Typography */
[dir="rtl"] {
  font-family: var(--font-arabic-body), sans-serif;
  letter-spacing: 0 !important;
  text-align: right;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3,
[dir="rtl"] h4,
[dir="rtl"] .serif-heading {
  font-family: var(--font-arabic), serif;
  font-weight: 700;
  line-height: 1.35;
}

[dir="rtl"] p,
[dir="rtl"] li {
  line-height: 1.85;
}

h1, h2, h3, h4, .serif-heading {
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
  line-height: 1.22;
  color: var(--text-primary);
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.8vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.85rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.05rem, 1.8vw, 1.25rem); font-weight: 600; }

.tabular-nums {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}

/* LIQUID GLASS BUTTONS & CONTROLS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  user-select: none;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.btn-gold {
  background: var(--gold-metallic);
  color: #120A06;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 
    inset 0 1px 1px rgba(255, 255, 255, 0.6),
    0 8px 24px rgba(202, 151, 82, 0.4);
}

.btn-gold:hover {
  background: var(--gold-metallic-hover);
  transform: translateY(-2px);
  box-shadow: 
    inset 0 1px 2px rgba(255, 255, 255, 0.8),
    0 12px 32px rgba(202, 151, 82, 0.6);
}

.btn-outline {
  background: rgba(255, 235, 205, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 235, 205, 0.28);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35);
  color: var(--color-gold-light);
}

.btn-outline:hover {
  background: rgba(202, 151, 82, 0.2);
  color: #FFF;
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #1DA851 100%);
  color: #FFFFFF;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    inset 0 1px 1px rgba(255, 255, 255, 0.4),
    0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2BE870 0%, #20BD5A 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.55);
}

/* Liquid Pill Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(255, 235, 205, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--color-gold-light);
  border: 1px solid rgba(255, 235, 205, 0.28);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35), 0 0 16px rgba(202, 151, 82, 0.2);
}

@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;
  }
}