/* ================================================================
   4M TRAVEL DESIGN SYSTEM
   Premium Travel Agency Theme — Based on Logo Colors
   ================================================================ */

:root {
  /* ── PRIMARY PALETTE (from Logo) ──────────────────────────────── */
  --primary-navy:        #0A1F3A;    /* Deep Navy - Logo background */
  --primary-navy-light:  #0F2D4F;    /* Lighter navy for gradients */
  --primary-navy-dark:   #06152A;    /* Darker navy for depth */
  
  /* ── GOLD PALETTE (from Logo) ─────────────────────────────────── */
  --luxury-gold:         #C9A227;    /* Rich Gold - Logo text */
  --luxury-gold-light:   #D4B23A;    /* Lighter gold for hover */
  --luxury-gold-hover:   #B8911F;    /* Darker gold for hover */
  --luxury-gold-dark:    #A67F18;    /* Deep gold for active states */
  --gold-gradient:       linear-gradient(135deg, #C9A227 0%, #D4B23A 50%, #B8911F 100%);
  --gold-gradient-hover: linear-gradient(135deg, #D4B23A 0%, #C9A227 50%, #A67F18 100%);
  
  /* ── SECONDARY NAVY ───────────────────────────────────────────── */
  --secondary-navy:      #1A3A5C;    /* Medium navy */
  --secondary-navy-light:#234B70;    /* Lighter secondary */
  
  /* ── NEUTRALS ─────────────────────────────────────────────────── */
  --bg-color:            #F8F6F1;    /* Warm off-white */
  --bg-color-alt:        #F0EDE6;    /* Slightly darker warm */
  --card-bg:             #FFFFFF;    /* Pure white */
  --card-bg-elevated:    #FFFFFF;    /* Elevated card background */
  
  /* ── TEXT COLORS ──────────────────────────────────────────────── */
  --primary-text:        #0A1F3A;    /* Navy text - matches logo */
  --secondary-text:      #5A6577;    /* Neutral gray */
  --text-light:          #8B95A5;    /* Light gray for captions */
  --text-on-gold:        #FFFFFF;    /* White text on gold */
  --text-on-navy:        #FFFFFF;    /* White text on navy */
  
  /* ── BORDERS & DIVIDERS ───────────────────────────────────────── */
  --border-color:        rgba(10, 31, 58, 0.08);
  --border-color-strong: rgba(10, 31, 58, 0.15);
  --border-gold:         rgba(201, 162, 39, 0.3);
  
  /* ── SHADOWS ──────────────────────────────────────────────────── */
  --shadow-sm:           0 2px 8px rgba(10, 31, 58, 0.04);
  --shadow-md:           0 4px 16px rgba(10, 31, 58, 0.06);
  --shadow-lg:           0 8px 32px rgba(10, 31, 58, 0.08);
  --shadow-xl:           0 16px 48px rgba(10, 31, 58, 0.12);
  --shadow-gold:         0 4px 20px rgba(201, 162, 39, 0.25);
  --shadow-gold-lg:      0 8px 32px rgba(201, 162, 39, 0.35);
  --shadow-premium:      0 10px 40px rgba(10, 31, 58, 0.08);
  --shadow-hover:        0 20px 60px rgba(10, 31, 58, 0.15);
  
  /* ── TYPOGRAPHY ───────────────────────────────────────────────── */
  --font-ar:             "Alexandria", "Cairo", "Tajawal", sans-serif;
  --font-en:             "Inter", "Geist", system-ui, sans-serif;
  --font-display:        "Alexandria", sans-serif;
  
  /* ── SPACING SCALE ────────────────────────────────────────────── */
  --space-xs:            4px;
  --space-sm:            8px;
  --space-md:            16px;
  --space-lg:            24px;
  --space-xl:            32px;
  --space-2xl:           48px;
  --space-3xl:           64px;
  --space-4xl:           96px;
  
  /* ── BORDER RADIUS ────────────────────────────────────────────── */
  --radius-sm:           8px;
  --radius-md:           12px;
  --radius-lg:           16px;
  --radius-xl:           20px;
  --radius-2xl:          24px;
  --radius-full:         9999px;
  --radius-btn:          12px;
  --radius-card:         16px;
  
  /* ── TRANSITIONS ──────────────────────────────────────────────── */
  --transition-fast:     all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:     all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring:   all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* ── Z-INDEX SCALE ────────────────────────────────────────────── */
  --z-dropdown:          100;
  --z-sticky:            200;
  --z-navbar:            1000;
  --z-mobile-nav:        1100;
  --z-modal:             9999;
}

/* ── DARK MODE SUPPORT ───────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color:            #0A1F3A;
    --bg-color-alt:        #0F2D4F;
    --card-bg:             #1A3A5C;
    --card-bg-elevated:    #234B70;
    --primary-text:        #F0EDE6;
    --secondary-text:      #B8C4D4;
    --text-light:          #8B95A5;
    --border-color:        rgba(255, 255, 255, 0.08);
    --border-color-strong: rgba(255, 255, 255, 0.15);
  }
}

/* ── UTILITY CLASSES ─────────────────────────────────────────────── */
.gold-gradient {
  background: var(--gold-gradient);
  color: var(--text-on-gold);
}

.navy-gradient {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
  color: var(--text-on-navy);
}

.gold-text {
  color: var(--luxury-gold);
}

.navy-text {
  color: var(--primary-navy);
}

/* ── GLASS MORPHISM ──────────────────────────────────────────────── */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.glass-dark {
  background: rgba(10, 31, 58, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── PREMIUM CARD STYLES ─────────────────────────────────────────── */
.card-premium {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.card-premium:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* ── GOLD BUTTON STYLES ──────────────────────────────────────────── */
.btn-gold-premium {
  background: var(--gold-gradient);
  color: var(--text-on-gold);
  border: none;
  border-radius: var(--radius-btn);
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-gold);
  transition: var(--transition-base);
}

.btn-gold-premium:hover {
  background: var(--gold-gradient-hover);
  box-shadow: var(--shadow-gold-lg);
  transform: translateY(-2px);
}

.btn-gold-premium:active {
  transform: translateY(0);
}

/* ── NAVY BUTTON STYLES ──────────────────────────────────────────── */
.btn-navy {
  background: var(--primary-navy);
  color: var(--text-on-navy);
  border: none;
  border-radius: var(--radius-btn);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-navy:hover {
  background: var(--primary-navy-light);
  transform: translateY(-2px);
}

/* ── OUTLINE BUTTON STYLES ───────────────────────────────────────── */
.btn-outline-gold {
  background: transparent;
  border: 2px solid var(--luxury-gold);
  color: var(--luxury-gold);
  border-radius: var(--radius-btn);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-outline-gold:hover {
  background: var(--luxury-gold);
  color: var(--text-on-gold);
}

.btn-outline-navy {
  background: transparent;
  border: 2px solid var(--primary-navy);
  color: var(--primary-navy);
  border-radius: var(--radius-btn);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-outline-navy:hover {
  background: var(--primary-navy);
  color: var(--text-on-navy);
}

/* ── SECTION HEADERS ─────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.section-header h2 span {
  color: var(--luxury-gold);
}

.section-header p {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--secondary-text);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── BADGE STYLES ────────────────────────────────────────────────── */
.badge-gold {
  background: var(--luxury-gold);
  color: var(--text-on-gold);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-navy {
  background: var(--primary-navy);
  color: var(--text-on-navy);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-outline-gold {
  background: transparent;
  border: 1.5px solid var(--luxury-gold);
  color: var(--luxury-gold);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── DECORATIVE ELEMENTS ─────────────────────────────────────────── */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold-gradient);
  border-radius: 2px;
  margin: var(--space-md) auto;
}

.gold-dot {
  width: 8px;
  height: 8px;
  background: var(--luxury-gold);
  border-radius: 50%;
  display: inline-block;
}

/* ── ANIMATION KEYFRAMES ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── SCROLL REVEAL ───────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE UTILITIES ────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --space-3xl: 48px;
    --space-4xl: 64px;
  }
}