:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --ink: #0f172a;
  --muted: #5f6f89;
  --line: #dbe5f3;
  --primary: #155eef;
  --primary-dark: #0d3fb3;
  --accent: #20c7a8;
  --navy: #09162f;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(32, 199, 168, 0.16), transparent 28rem),
    radial-gradient(circle at top right, rgba(21, 94, 239, 0.13), transparent 26rem),
    var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(219, 229, 243, 0.86);
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img,
.footer-brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 14px;
  color: #334155;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--primary);
  background: var(--surface-soft);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--navy);
  border: 0;
  border-radius: 50%;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: #ffffff;
  border-radius: 999px;
}

.section-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 38px;
  align-items: center;
  min-height: calc(100vh - 92px);
  padding: 78px 0 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 7vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4.2vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
}

.hero-text,
.section-heading p,
.feature-card p,
.tool-list span,
.trust-grid p,
.site-footer p {
  color: var(--muted);
}

.hero-text {
  max-width: 640px;
  margin-bottom: 28px;
  font-size: 1.08rem;
}

.hero-actions,
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  font-weight: 800;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn-primary {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 14px 30px rgba(21, 94, 239, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-dark);
}

.btn-secondary {
  color: var(--primary);
  background: #ffffff;
  border: 1px solid var(--line);
}

.hero-stats {
  margin-top: 30px;
}

.hero-stats div {
  min-width: 132px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 1.12rem;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-panel {
  position: relative;
  padding: 24px;
  color: #ffffff;
  background:
    linear-gradient(145deg, rgba(21, 94, 239, 0.96), rgba(9, 22, 47, 0.98)),
    var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  inset: -40% -20% auto auto;
  width: 260px;
  height: 260px;
  content: "";
  background: radial-gradient(circle, rgba(32, 199, 168, 0.34), transparent 70%);
}

.panel-topline,
.route-card,
.instrument-grid {
  position: relative;
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

.route-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 22px;
}

.route-card small,
.instrument-grid span {
  display: block;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.route-card strong {
  display: block;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.route-line {
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255, 255, 255, 0.4), #ffffff);
}

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.instrument-grid div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 18px;
}

.instrument-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 1.15rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 540px;
  margin-bottom: 0;
}

.feature-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.trust-grid article,
.tool-list article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 44px rgba(15, 23, 42, 0.07);
}

.feature-card {
  padding: 26px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 900;
  background: var(--primary);
  border-radius: 15px;
}

.flight-tools {
  margin: 92px 0;
  padding: 74px 0;
  color: #ffffff;
  background:
    linear-gradient(rgba(9, 22, 47, 0.94), rgba(9, 22, 47, 0.94)),
    radial-gradient(circle at 20% 10%, rgba(32, 199, 168, 0.5), transparent 24rem),
    var(--navy);
}

.flight-tools .eyebrow {
  color: var(--accent);
}

.flight-tools p {
  color: rgba(255, 255, 255, 0.72);
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}

.tool-list {
  display: grid;
  gap: 16px;
}

.tool-list article {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr;
  gap: 18px;
  padding: 22px;
  color: var(--ink);
}

.tool-list strong {
  color: var(--primary);
}

.trust-grid article {
  padding: 24px;
}

.trust-grid a {
  display: inline-flex;
  margin-top: 6px;
  color: var(--primary);
  font-weight: 800;
}

.site-footer {
  margin-top: 92px;
  padding: 34px 0;
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 22px;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: #334155;
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    border-radius: 24px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.1);
  }

  .site-nav.is-open {
    display: flex;
  }

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

  .hero {
    padding-top: 54px;
  }

  .feature-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .section-heading.compact {
    margin-bottom: 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header,
  .section-shell,
  .footer-inner {
    width: min(100% - 22px, 1120px);
  }

  .brand span {
    font-size: 0.96rem;
  }

  .hero-panel,
  .route-card,
  .feature-card,
  .trust-grid article {
    border-radius: 18px;
  }

  .instrument-grid,
  .tool-list article {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }
}