:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #d9e3ee;
  --paper: #f8fbff;
  --white: #ffffff;
  --blue: #1267d6;
  --blue-dark: #0b3f8a;
  --teal: #0f9f9a;
  --coral: #f36b4f;
  --shadow: 0 24px 60px rgba(18, 41, 75, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(20px, 5vw, 72px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--white);
  color: var(--blue-dark);
  font-size: 0.95rem;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
  font-weight: 600;
}

nav a:hover {
  color: var(--white);
}

.hero {
  position: relative;
  display: grid;
  min-height: 88vh;
  overflow: hidden;
  background:
    linear-gradient(118deg, rgba(8, 31, 69, 0.92), rgba(12, 91, 166, 0.78) 48%, rgba(16, 159, 154, 0.72)),
    url("https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  background: linear-gradient(0deg, rgba(248, 251, 255, 0.98), rgba(248, 251, 255, 0));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 40px));
  align-self: center;
  margin-left: clamp(20px, 8vw, 112px);
  padding-top: 72px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(3.1rem, 7vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 20px;
  font-weight: 800;
}

.button.primary {
  background: var(--white);
  color: var(--blue-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.48);
  color: var(--white);
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.skyline {
  position: absolute;
  right: clamp(18px, 7vw, 110px);
  bottom: 12vh;
  width: min(430px, 42vw);
  aspect-ratio: 1.5;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.skyline::before,
.skyline::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 6px;
}

.skyline::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.25) 1px, transparent 1px);
  background-size: 36px 36px;
}

.skyline::after {
  top: auto;
  height: 72px;
  background:
    linear-gradient(to top, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.26)) 12% 100% / 14% 60% no-repeat,
    linear-gradient(to top, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.32)) 34% 100% / 18% 100% no-repeat,
    linear-gradient(to top, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.22)) 60% 100% / 12% 76% no-repeat,
    linear-gradient(to top, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.35)) 82% 100% / 20% 88% no-repeat;
}

.flight-path {
  position: absolute;
  right: 10vw;
  top: 20vh;
  width: 40vw;
  max-width: 620px;
  aspect-ratio: 2.2;
  border-top: 2px dashed rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: rotate(-14deg);
}

.plane {
  position: absolute;
  right: 28vw;
  top: 17vh;
  display: grid;
  width: clamp(54px, 8vw, 96px);
  height: clamp(54px, 8vw, 96px);
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.13);
  color: var(--white);
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  font-weight: 900;
  letter-spacing: 0;
  transform: rotate(18deg);
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
}

.feature-band {
  width: min(1180px, calc(100% - 40px));
  margin: -8vh auto 0;
  padding: 0 0 76px;
}

.section-heading {
  position: relative;
  z-index: 3;
  max-width: 680px;
  margin-bottom: 28px;
}

.section-heading h2,
.updates h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.feature-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 245px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(39, 66, 95, 0.08);
}

.feature-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: #e7f5f4;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 800;
}

.feature-card h3 {
  margin: 24px 0 10px;
  font-size: 1.25rem;
}

.feature-card p,
.updates p {
  margin: 0;
  color: var(--muted);
}

.updates {
  display: grid;
  width: min(1180px, calc(100% - 40px));
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  margin: 0 auto 72px;
  border-top: 1px solid var(--line);
  padding-top: 46px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .site-header {
    position: relative;
    background: var(--blue-dark);
    padding: 18px 20px;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    width: calc(100% - 40px);
    margin: 0 auto;
    padding: 44px 0 120px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 16vw, 4.5rem);
  }

  .skyline {
    right: 20px;
    bottom: 32px;
    width: 280px;
    opacity: 0.72;
  }

  .flight-path,
  .plane {
    display: none;
  }

  .feature-band {
    margin-top: 36px;
  }

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

  .feature-card {
    min-height: 0;
  }

  footer {
    flex-direction: column;
  }
}
