:root {
  --bg: #eef4fb;
  --bg-alt: #f8fbff;
  --surface: #ffffff;
  --surface-soft: #f3f8fe;
  --text: #18212f;
  --muted: #5e6b7d;
  --line: #d7e2ef;
  --brand: #0f4c81;
  --brand-deep: #0a3356;
  --accent: #20a4f3;
  --accent-soft: #dff3ff;
  --shadow: 0 20px 60px rgba(15, 76, 129, 0.12);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1400px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(32, 164, 243, 0.18), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #ffffff 45%, var(--bg-alt) 100%);
}

a {
  color: var(--brand);
}

.site-shell {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 24px 40px;
}

.site-header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(215, 226, 239, 0.8);
}

.header-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand::before {
  content: "";
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background-image: url("assets/travelobay-logo.svg");
  background-size: cover;
  background-position: center;
  box-shadow: 0 10px 20px rgba(10, 51, 86, 0.25);
  flex-shrink: 0;
}

.brand-title {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.top-nav a {
  text-decoration: none;
  color: var(--brand-deep);
  font-weight: 600;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: stretch;
  padding: 42px 0 24px;
}

.hero-panel,
.hero-aside,
.section-panel,
.page-hero,
.detail-card,
.content-card,
.cta-panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(215, 226, 239, 0.8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(15, 76, 129, 0.96), rgba(32, 164, 243, 0.92)),
    #0f4c81;
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.78);
}

.hero-panel h1,
.page-hero h1 {
  margin: 0;
  line-height: 1;
  font-size: clamp(2.7rem, 5vw, 4.8rem);
}

.hero-panel p {
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: #ffffff;
  color: var(--brand-deep);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-aside {
  padding: 28px;
}

.hero-aside h2,
.section-heading h2,
.page-hero h2 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.hero-list,
.meta-list,
.simple-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.stats-grid,
.directory-grid,
.feature-grid,
.page-grid,
.detail-grid,
.link-grid,
.banner-grid {
  display: grid;
  gap: 18px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 10px 0 8px;
}

.stat-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-soft) 100%);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--brand-deep);
}

.stat-card span {
  color: var(--muted);
}

.section-panel {
  padding: 28px;
  margin-top: 22px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-heading p,
.page-hero p,
.detail-card p,
.content-card p,
.content-card li,
.directory-card p,
.directory-card li,
.link-card p {
  color: var(--muted);
  line-height: 1.7;
}

.directory-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.directory-card,
.link-card {
  display: block;
  padding: 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.directory-card:hover,
.link-card:hover,
.directory-card:focus-visible,
.link-card:focus-visible {
  transform: translateY(-4px);
  border-color: #bdd4ea;
  box-shadow: 0 16px 34px rgba(15, 76, 129, 0.1);
}

.directory-card h3,
.link-card h3,
.detail-card h3,
.content-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.card-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.directory-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.page-hero {
  margin-top: 30px;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(236, 245, 255, 0.98));
}

.banner-row {
  margin: 8px 0 4px;
}

.banner-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.banner-card {
  min-height: 180px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(215, 226, 239, 0.8);
  box-shadow: var(--shadow);
  padding: 20px;
  color: #ffffff;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.banner-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(10, 51, 86, 0.75), rgba(32, 164, 243, 0.35));
}

.banner-card > * {
  position: relative;
  z-index: 1;
}

.banner-card p {
  margin: 0 0 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.82);
}

.banner-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.banner-airports {
  background-image:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.25), transparent 35%),
    linear-gradient(120deg, #0b456f, #1e88cf);
}

.banner-airlines {
  background-image:
    radial-gradient(circle at 75% 20%, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(120deg, #145a78, #1aa1ad);
}

.banner-routes {
  background-image:
    radial-gradient(circle at 30% 15%, rgba(255, 255, 255, 0.22), transparent 34%),
    linear-gradient(120deg, #15395c, #2b7cd6);
}

.promo-banner {
  margin-top: 20px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(215, 226, 239, 0.8);
  color: #ffffff;
  box-shadow: var(--shadow);
  background:
    radial-gradient(circle at right top, rgba(255, 255, 255, 0.2), transparent 35%),
    linear-gradient(120deg, #0c4370, #1f8ecb);
}

.promo-banner p {
  margin: 0 0 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
}

.promo-banner h2 {
  margin: 0;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}

.breadcrumb {
  margin: 0 0 12px;
  font-size: 0.92rem;
  color: var(--muted);
}

.breadcrumb a {
  text-decoration: none;
}

.page-grid {
  grid-template-columns: 1.2fr 0.8fr;
  margin-top: 22px;
}

.content-card,
.detail-card,
.cta-panel {
  padding: 24px;
}

.detail-grid,
.link-grid,
.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.cta-panel {
  margin-top: 22px;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.96), rgba(25, 120, 194, 0.92));
  color: #ffffff;
}

.cta-panel p,
.cta-panel li {
  color: rgba(255, 255, 255, 0.85);
}

.cta-panel .button {
  margin-top: 14px;
  background: #ffffff;
  color: var(--brand-deep);
}

.site-footer {
  margin-top: 28px;
  padding: 22px 0 12px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1100px) {
  .hero,
  .page-grid,
  .directory-grid,
  .stats-grid,
  .detail-grid,
  .link-grid,
  .feature-grid,
  .banner-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .page-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-shell,
  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner,
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-grid,
  .directory-grid,
  .detail-grid,
  .link-grid,
  .feature-grid,
  .banner-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .hero-aside,
  .section-panel,
  .page-hero,
  .detail-card,
  .content-card,
  .cta-panel {
    padding: 20px;
  }

  .top-nav {
    gap: 12px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}