/**
 * ILIS Travel - Modern Light Theme Styles
 * Світла тема: білий, блакитний, синій
 */

/* ===== CSS Variables - Light Theme ===== */
:root {
  /* Primary Colors */
  --color-primary: #0066cc;
  --color-primary-light: #3d8fdb;
  --color-primary-dark: #004d99;
  --color-primary-bg: #e6f2ff;
  
  /* Accent Colors */
  --color-accent: #00bcd4;
  --color-accent-light: #4dd0e1;
  --color-accent-dark: #0097a7;
  
  /* Secondary Colors */
  --color-orange: #ff6b35;
  --color-orange-light: #ff8c5a;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* Background */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-gradient: linear-gradient(135deg, #e6f2ff 0%, #f0f9ff 50%, #ffffff 100%);
  
  /* Text */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(0, 102, 204, 0.08);
  --shadow-card-hover: 0 12px 40px rgba(0, 102, 204, 0.15);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ===== Base Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ===== Container ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.75rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  padding: 10px 18px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.nav-phone:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
}

.lang-btn {
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--color-primary);
}

.lang-btn.active {
  background: white;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 24px 60px;
  background: var(--bg-gradient);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 800"><circle cx="1200" cy="400" r="500" fill="%230066cc" fill-opacity="0.03"/><circle cx="1000" cy="200" r="300" fill="%2300bcd4" fill-opacity="0.05"/><circle cx="1300" cy="600" r="200" fill="%230066cc" fill-opacity="0.04"/></svg>');
  background-size: cover;
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero-text {
  max-width: 700px;
  margin-bottom: 40px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title .title-accent {
  display: block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Search Widget ===== */
.search-widget {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-width: 900px;
}

.search-tabs {
  display: flex;
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
}

.search-tab {
  flex: 1;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.search-tab:hover {
  color: var(--color-primary);
  background: white;
}

.search-tab.active {
  color: var(--color-primary);
  background: white;
  box-shadow: 0 -2px 0 var(--color-primary) inset;
}

.search-content {
  display: none;
  padding: 24px;
}

.search-content.active {
  display: block;
}

/* ===== Form Styles ===== */
.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-group {
  flex: 1;
  min-width: 140px;
}

.form-group-lg {
  flex: 2;
  min-width: 200px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--color-gray-50);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  background: white;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-bg);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 188, 212, 0.3);
}

.btn-orange {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  color: white;
}

.btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

.btn-search {
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--color-orange), #ff8c42);
  color: white;
  white-space: nowrap;
}

.btn-search:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

/* ===== Section Styles ===== */
.section {
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Destination Cards ===== */
.destinations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.destination-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.destination-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.destination-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.destination-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.destination-card:hover .destination-image img {
  transform: scale(1.08);
}

.destination-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  background: var(--color-orange);
  border-radius: var(--radius-full);
}

.destination-flag {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.destination-content {
  padding: 20px;
}

.destination-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.destination-resorts {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.destination-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.destination-price {
  display: flex;
  flex-direction: column;
}

.destination-price .price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.destination-price .price-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.destination-price .price-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.destination-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.destination-btn:hover {
  background: var(--color-primary);
  color: white;
}

/* ===== Offer Cards ===== */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.offer-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.offer-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.offer-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.offer-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.offer-card:hover .offer-image img {
  transform: scale(1.08);
}

.offer-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.offer-discount {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px 14px;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  background: var(--color-danger);
  border-radius: var(--radius-md);
}

.offer-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.offer-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.offer-flag {
  font-size: 1.5rem;
}

.offer-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.offer-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.offer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.offer-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-100);
}

.offer-price {
  display: flex;
  flex-direction: column;
}

.offer-price .price-old {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.offer-price .price-new {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.offer-price .price-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.offer-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: white;
  background: var(--color-orange);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.offer-btn:hover {
  background: var(--color-orange-light);
  color: white;
  transform: translateY(-2px);
}

/* Offer card color variants */
.offer-early .offer-badge { background: var(--color-success); }
.offer-hot .offer-badge { background: var(--color-danger); }
.offer-exotic .offer-badge { background: #9333ea; }
.offer-luxury .offer-badge { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.offer-new .offer-badge { background: var(--color-accent); }
.offer-premium .offer-badge { background: linear-gradient(135deg, #1e293b, #334155); }

/* ===== CTA Buttons ===== */
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-tour-request {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  box-shadow: 0 8px 25px rgba(0, 188, 212, 0.3);
}

.btn-tour-request:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 188, 212, 0.4);
  color: white;
}

.btn-smart-booking {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: white;
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  transition: all var(--transition-fast);
}

.btn-smart-booking:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-gray-900);
  color: white;
  padding: 60px 24px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-about p {
  color: var(--color-gray-400);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--color-gray-800);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-links h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-contacts p {
  color: var(--color-gray-400);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--color-gray-800);
  display: flex;
  justify-content: space-between;
  color: var(--color-gray-500);
  font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .destinations-grid,
  .offers-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section {
    padding: 60px 16px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-tour-request,
  .btn-smart-booking {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Animations ===== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

/* ===== Loading State ===== */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease infinite;
  border-radius: var(--radius-sm);
}

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