:root {
  --bg: #fafbfc;
  --paper: #ffffff;
  --navy: #0b1f3a;
  --navy-soft: #132a4a;
  --sky: #3b82f6;
  --sky-deep: #2563eb;
  --ink: #1a2332;
  --muted: #5c6b7e;
  --line: #e2e8f0;
  --mist: #f1f5f9;
  --max: 1040px;
  --font: "Barlow", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0%, var(--bg) 28%, #f3f6fa 100%);
  line-height: 1.7;
  font-size: 1.05rem;
  font-weight: 400;
}

a {
  color: var(--sky-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--navy); }

.wrap {
  width: min(var(--max), calc(100% - 2.25rem));
  margin-inline: auto;
}

/* Header — clean airline masthead */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(11, 31, 58, 0.03);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}
.brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-decoration: none;
}
.brand span {
  color: var(--sky);
  font-weight: 700;
}
.nav {
  display: flex;
  gap: 1.35rem;
  align-items: center;
  flex-wrap: wrap;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--navy);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--navy);
  border-radius: 4px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

/* Hero — brochure band */
.hero {
  position: relative;
  padding: 4.75rem 0 3.75rem;
  color: #f8fafc;
  background:
    linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 55%, #163556 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, transparent 49.5%, rgba(59, 130, 246, 0.08) 50%, transparent 50.5%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 47px,
      rgba(255, 255, 255, 0.025) 48px
    );
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #93c5fd;
  margin: 0 0 1rem;
  border-bottom: 2px solid var(--sky);
  padding-bottom: 0.35rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.05rem, 4.2vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  max-width: 18ch;
  color: #fff;
}
.hero p {
  max-width: 54ch;
  color: #c7d4e6;
  margin: 0 0 1.75rem;
  font-size: 1.12rem;
  font-weight: 400;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  padding: 0.8rem 1.25rem;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--sky);
  color: #fff;
}
.btn-primary:hover {
  background: var(--sky-deep);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: #e8eef8;
  border-color: rgba(255, 255, 255, 0.32);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}
.btn-navy {
  background: var(--navy);
  color: #fff;
}
.btn-navy:hover {
  background: var(--navy-soft);
  color: #fff;
}

.section { padding: 3.4rem 0; }
.section h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0 0 0.7rem;
}
.lead {
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 1.6rem;
  font-size: 1.08rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--sky);
  border-radius: 2px;
  padding: 1.35rem 1.3rem 1.4rem;
}
.card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.75rem 1.85rem;
  box-shadow: 0 12px 40px rgba(11, 31, 58, 0.04);
}
.panel h2 { margin-top: 0; }
.cta-band {
  margin: 1.15rem 0 0;
  padding: 1.35rem 1.4rem;
  border-radius: 2px;
  background: var(--mist);
  border-left: 3px solid var(--sky);
}
.cta-band p { margin: 0; color: var(--ink); }

.guides-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}
.guides-list a {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.1rem 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.guides-list a:hover {
  border-color: #bfdbfe;
  box-shadow: 0 6px 20px rgba(11, 31, 58, 0.05);
}
.guides-list strong {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.2rem;
  font-size: 1.08rem;
}
.guides-list span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Article prose */
.prose { max-width: 70ch; }
.prose h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--navy);
  margin: 0 0 0.75rem;
}
.prose h2 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--navy);
  margin-top: 2.15rem;
  margin-bottom: 0.65rem;
  font-size: 1.45rem;
}
.prose h3 {
  font-family: var(--font);
  font-weight: 700;
  color: var(--navy);
  margin-top: 1.5rem;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.prose p,
.prose li { color: #243044; }
.prose ul,
.prose ol { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }
.prose .meta {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}
.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--sky); }

.faq-list {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 0;
}
.faq-item {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.1rem 1.2rem;
}
.faq-item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
}
.faq-item p { margin: 0; color: var(--muted); }

.note {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 2px;
  color: var(--navy-soft);
  font-size: 0.98rem;
}

.site-footer {
  border-top: 2px solid var(--navy);
  padding: 2.25rem 0 2.6rem;
  color: var(--muted);
  font-size: 0.92rem;
  background: #fff;
}
.site-footer .footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1.15rem;
}
.site-footer strong {
  font-family: var(--serif);
  color: var(--navy);
  font-size: 1.05rem;
}
.site-footer a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
.site-footer a:hover { color: var(--sky); }
.disclaimer {
  max-width: 78ch;
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 820px) {
  .grid-3 { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding-bottom: 1.1rem;
  }
  .nav.is-open { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .hero { padding: 3.4rem 0 2.75rem; }
  .panel { padding: 1.35rem; }
}

/* Logo + stock imagery */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.brand-logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 8px;
  display: block;
}
.brand-text { display: inline-flex; align-items: baseline; gap: 0.25rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
.hero-media {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
  aspect-ratio: 16 / 10;
  background: rgba(0,0,0,0.2);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-band {
  margin: 1.5rem 0 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line, #d7e0ec);
  aspect-ratio: 21 / 9;
}
.media-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.prose .inline-media {
  margin: 1.25rem 0 1.5rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line, #d7e0ec);
}
.prose .inline-media img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 360px;
  object-fit: cover;
}
.photo-credit {
  font-size: 0.8rem;
  opacity: 0.75;
  margin: 0.4rem 0 0;
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-height: 240px; }
}