/* ========================================
   AVIASALES.US.COM — GLOBAL STYLESHEET
   Design inspired by aviasales.com
   ======================================== */

:root {
  --primary: #00baff;
  --primary-dark: #009dd9;
  --navy: #1a2b4a;
  --navy-dark: #0f1a2e;
  --accent: #ffcc33;
  --accent-hover: #ffb800;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

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

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 90px;
  width: auto;
  display: block;
}

@media (max-width: 768px) {
  .logo-img { height: 84px; }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--navy);
  font-weight: 500;
  font-size: 15px;
  transition: background 0.2s;
}

.main-nav a:hover { background: var(--gray-100); }
.main-nav a.active { background: var(--primary); color: var(--white); }

/* Header CTA button — Book Now */
.main-nav a.nav-cta {
  background: var(--accent);
  color: var(--navy);
  font-weight: 700;
  padding: 10px 20px;
  margin-left: 6px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(255, 204, 51, 0.4);
  transition: all 0.2s;
}
.main-nav a.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 204, 51, 0.55);
  color: var(--navy);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--navy);
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .mobile-toggle { display: block; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 80px 24px 100px;
  background-image:
    linear-gradient(135deg, rgba(26, 43, 74, 0.82) 0%, rgba(0, 186, 255, 0.55) 100%),
    url('../img/hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  text-align: center;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.hero .lead {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  margin-bottom: 36px;
  color: rgba(255,255,255,0.96);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1, .hero p, .hero .lead, .hero .subheadline { color: var(--white); }

/* Inner page hero (smaller) */
.hero.hero-inner-page {
  padding: 60px 24px 70px;
}

.hero.hero-inner-page h1 { font-size: clamp(28px, 4vw, 42px); }

/* ============ SEARCH WIDGET ============ */
.search-widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  max-width: 1040px;
  margin: 0 auto 30px;
  color: var(--gray-800);
  text-align: left;
}

.search-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.search-tab {
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--gray-100);
  border: none;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-600);
  cursor: pointer;
}

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

.search-fields {
  display: grid;
  grid-template-columns: 1.3fr 1.3fr 1fr 1fr 1.2fr;
  grid-template-areas: "from to depart return passengers" "btn btn btn btn btn";
  gap: 10px;
  align-items: stretch;
}

.search-fields .field-from      { grid-area: from; }
.search-fields .field-to        { grid-area: to; }
.search-fields .field-depart    { grid-area: depart; }
.search-fields .field-return    { grid-area: return; }
.search-fields .field-passengers{ grid-area: passengers; }
.search-fields .btn-search {
  grid-area: btn;
  width: 100%;
  padding: 16px 28px;
  font-size: 17px;
  margin-top: 4px;
}

/* Large tablets / small desktops */
@media (max-width: 1100px) {
  .search-fields {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-areas:
      "from to depart"
      "return passengers passengers"
      "btn btn btn";
  }
}

/* Tablets */
@media (max-width: 768px) {
  .search-fields {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "from to"
      "depart return"
      "passengers passengers"
      "btn btn";
  }
  .search-widget {
    padding: 18px;
    border-radius: 14px;
  }
}

/* Mobile phones */
@media (max-width: 520px) {
  .search-fields {
    grid-template-columns: 1fr;
    grid-template-areas:
      "from"
      "to"
      "depart"
      "return"
      "passengers"
      "btn";
    gap: 8px;
  }
  .search-tabs {
    margin-bottom: 14px;
  }
  .search-tab {
    padding: 7px 14px;
    font-size: 13px;
  }
  .search-field {
    padding: 10px 14px;
  }
  .search-field input,
  .search-field select {
    font-size: 15px;
  }
}

.search-field {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 16px;
  cursor: text;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  min-width: 0;
}

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

.search-field:focus-within {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 186, 255, 0.15);
}

.search-field.field-passengers { cursor: pointer; }

.search-field label,
.search-field .field-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-400);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  pointer-events: none;
}

.search-field input,
.search-field select {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  outline: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  min-width: 0;
  box-sizing: border-box;
}

.search-field input[type="text"] {
  cursor: text;
}

.search-field input[type="date"] {
  cursor: pointer;
  color: var(--navy);
}

.search-field input::placeholder {
  color: var(--gray-400);
  font-weight: 500;
}

.search-field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5L6 6.5L11 1.5' stroke='%231a2b4a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 18px;
}

.btn-search {
  background: var(--accent);
  color: var(--navy);
  border: none;
  border-radius: var(--radius);
  padding: 14px 28px;
  font-weight: 800;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}

.btn-search:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Trust bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.95);
}

.trust-bar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ============ BUTTONS / CTAs ============ */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  box-shadow: 0 4px 14px rgba(255, 204, 51, 0.4);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 204, 51, 0.5);
  color: var(--navy);
}

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

.btn-large { padding: 18px 36px; font-size: 18px; }

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin: 30px 0;
}

/* ============ MAIN CONTENT ============ */
main { background: var(--white); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

section.content-section {
  padding: 60px 24px;
}

section.content-section:nth-of-type(even) { background: var(--gray-50); }

section.content-section .container { padding: 0; }

/* Breadcrumb */
.breadcrumb {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 14px;
  color: var(--gray-600);
}

.breadcrumb a { color: var(--primary); }

/* Quick navigation */
.quick-nav {
  background: var(--gray-50);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  margin: 30px 0;
  border-radius: 8px;
}

.quick-nav strong { color: var(--navy); display: block; margin-bottom: 8px; }
.quick-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; }

/* ============ HEADINGS & TEXT ============ */
h1, h2, h3, h4, h5, h6 {
  color: var(--navy);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 16px;
}

h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-top: 40px;
  margin-bottom: 20px;
}

h3 {
  font-size: clamp(20px, 2.4vw, 26px);
  margin-top: 30px;
  margin-bottom: 14px;
}

h4 {
  font-size: 18px;
  margin-top: 22px;
  margin-bottom: 10px;
}

p { margin-bottom: 16px; font-size: 16px; }

ul, ol { margin-bottom: 18px; padding-left: 24px; }
ul li, ol li { margin-bottom: 8px; }

strong { color: var(--navy); }

blockquote {
  background: var(--gray-50);
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  margin: 24px 0;
  font-style: italic;
  border-radius: 0 8px 8px 0;
}

blockquote cite {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-weight: 600;
  color: var(--navy);
  font-size: 14px;
}

/* ============ FEATURE CARDS ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.feature-card h3 { margin-top: 0; font-size: 20px; }
.feature-card p { font-size: 15px; color: var(--gray-600); margin-bottom: 0; }

/* ============ TABLES ============ */
.table-wrap { overflow-x: auto; margin: 24px 0; border-radius: var(--radius); box-shadow: var(--shadow-sm); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 15px;
}

table th {
  background: var(--navy);
  color: var(--white);
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
}

table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
}

table tbody tr:nth-child(even) { background: var(--gray-50); }
table tbody tr:hover { background: #e6f7ff; }

/* ============ FAQ ============ */
.faq-list { margin: 30px 0; }

details.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

details.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
}

details.faq-item summary {
  padding: 18px 22px;
  font-weight: 700;
  font-size: 17px;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 50px;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.2s;
}

details.faq-item[open] summary::after { content: '−'; }

details.faq-item .faq-answer {
  padding: 0 22px 20px;
  color: var(--gray-600);
  line-height: 1.65;
}

details.faq-item .faq-answer p { font-size: 15px; }

/* ============ CALLOUT / TIP BOX ============ */
.callout {
  background: linear-gradient(135deg, #e6f7ff 0%, #f0fbff 100%);
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}

.callout strong { color: var(--navy); }

/* ============ RATING / STARS ============ */
.rating-big {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin: 20px 0;
}

.rating-score {
  font-size: 42px;
  font-weight: 800;
  color: var(--navy);
}

.rating-stars { color: var(--accent); font-size: 22px; }

/* ============ FINAL CTA SECTION ============ */
.final-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 100%);
  color: var(--white);
  text-align: center;
  padding: 70px 24px;
  border-radius: var(--radius-lg);
  margin: 50px auto;
  max-width: 1080px;
}

.final-cta h2 { color: var(--white); font-size: clamp(26px, 3.2vw, 36px); }
.final-cta p { color: rgba(255,255,255,0.92); font-size: 18px; max-width: 680px; margin: 0 auto 26px; }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 24px 24px;
  margin-top: 60px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px 32px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,0.75); }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  max-width: 1280px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  text-align: center;
  line-height: 1.7;
}

/* ============ UTILS ============ */
.text-center { text-align: center; }
.mb-30 { margin-bottom: 30px; }
.mt-30 { margin-top: 30px; }

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px;
}

.testimonial .stars { color: var(--accent); font-size: 18px; margin-bottom: 10px; }
.testimonial .quote { font-style: italic; color: var(--gray-800); margin-bottom: 12px; }
.testimonial .author { font-size: 13px; color: var(--gray-600); font-weight: 600; }