:root {
  color-scheme: dark;
  --night: #041821;
  --night-deep: #021018;
  --panel: #082633;
  --cyan: #49d3f5;
  --cyan-pale: #bcefff;
  --white: #f4fbff;
  --muted: #9eb8c4;
  --line: rgba(134, 214, 237, 0.17);
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  background: var(--night-deep);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 21% 47%, rgba(41, 157, 190, 0.2), transparent 28rem),
    radial-gradient(circle at 89% 5%, rgba(73, 211, 245, 0.12), transparent 27rem),
    linear-gradient(118deg, var(--night-deep), var(--night) 58%, #06232f);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(120deg, transparent 0, transparent 66px, rgba(255, 255, 255, 0.018) 67px, transparent 68px);
  content: "";
  pointer-events: none;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 7px;
  background: var(--white);
  color: var(--night);
  text-decoration: none;
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  display: flex;
  width: min(1240px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  flex-direction: column;
}

.site-header {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--white);
  text-decoration: none;
}

.brand-icon {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--cyan);
  background: rgba(73, 211, 245, 0.05);
  color: var(--cyan);
  transform: rotate(45deg);
}

.brand-icon b {
  font-size: 1.28rem;
  transform: rotate(-45deg);
}

.brand-copy strong,
.brand-copy small { display: block; }

.brand-copy strong {
  font-size: 1.04rem;
  font-weight: 850;
  letter-spacing: 0.09em;
}

.brand-copy strong span { color: var(--cyan); }

.brand-copy small {
  margin-top: 4px;
  color: #7297a7;
  font-size: 0.48rem;
  letter-spacing: 0.18em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
}

.header-meta span { color: #7899a8; }

.header-meta b {
  padding: 7px 10px;
  border: 1px solid rgba(73, 211, 245, 0.34);
  color: var(--cyan);
}

.hero {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(420px, 1fr) minmax(0, 0.92fr);
  gap: clamp(58px, 8vw, 120px);
  align-items: center;
  padding: clamp(72px, 8vw, 112px) 0 78px;
}

.visual {
  position: relative;
  min-width: 0;
  padding: 26px 0 42px 32px;
}

.visual::before {
  position: absolute;
  top: 0;
  bottom: 18px;
  left: 0;
  width: 72%;
  border: 1px solid rgba(73, 211, 245, 0.19);
  border-right: 0;
  content: "";
}

.route-line {
  position: absolute;
  top: -8px;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.route-line i {
  display: block;
  width: 38px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 13px rgba(73, 211, 245, 0.76);
}

.photo-wrap {
  position: relative;
  z-index: 1;
  margin: 0;
}

.photo-wrap img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 4px 42px 4px 42px;
  box-shadow: 0 42px 96px rgba(0, 0, 0, 0.48);
  object-fit: cover;
}

.photo-wrap::after {
  position: absolute;
  inset: 0;
  border-radius: 4px 42px 4px 42px;
  background: linear-gradient(to top, rgba(2, 16, 24, 0.38), transparent 52%);
  content: "";
  pointer-events: none;
}

.photo-wrap figcaption {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 4px 0;
  color: #7fa3b1;
  font-size: 0.58rem;
  font-weight: 750;
  letter-spacing: 0.2em;
}

.photo-wrap figcaption span:last-child { color: var(--cyan); }

.flight-badge {
  position: absolute;
  right: -38px;
  bottom: 4px;
  z-index: 3;
  display: grid;
  width: 100px;
  height: 100px;
  place-content: center;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.34), 0 0 0 9px rgba(73, 211, 245, 0.08);
  color: var(--night-deep);
  text-align: center;
}

.flight-badge span {
  font-size: 1.65rem;
  line-height: 1;
}

.flight-badge small {
  margin-top: 5px;
  font-size: 0.46rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.hero-copy { position: relative; }

.eyebrow {
  margin: 0 0 22px;
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

h1 {
  margin: 0;
  font-size: clamp(3.5rem, 6.3vw, 6.35rem);
  font-weight: 870;
  letter-spacing: -0.065em;
  line-height: 0.91;
}

h1 em {
  display: block;
  color: var(--cyan);
  font-style: normal;
}

.lead {
  max-width: 610px;
  margin: 29px 0 0;
  color: #bfd1d9;
  font-size: clamp(1rem, 1.25vw, 1.13rem);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  margin: 31px 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-grid article {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 38, 51, 0.28);
}

.feature-grid article > span {
  color: var(--cyan);
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.feature-grid strong,
.feature-grid small { display: block; }

.feature-grid strong {
  font-size: 0.84rem;
  font-weight: 760;
}

.feature-grid small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.67rem;
  line-height: 1.35;
}

.status-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(73, 211, 245, 0.1), rgba(8, 38, 51, 0.34));
}

.status-light {
  width: 9px;
  height: 9px;
  margin-top: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(73, 211, 245, 0.09), 0 0 17px var(--cyan);
}

.status-card strong {
  display: block;
  font-size: 0.89rem;
}

.status-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.4;
}

.site-footer {
  display: flex;
  min-height: 62px;
  align-items: center;
  gap: 17px;
  border-top: 1px solid var(--line);
  color: #6f929f;
  font-size: 0.65rem;
}

.footer-rule {
  width: 34px;
  height: 1px;
  background: rgba(73, 211, 245, 0.3);
}

.site-footer .domain {
  margin-left: auto;
  color: #83a6b4;
  font-weight: 750;
  letter-spacing: 0.15em;
}

@media (max-width: 1030px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .hero-copy { order: -1; }
  .visual { width: min(680px, calc(100% - 38px)); }
}

@media (max-width: 620px) {
  .page-shell { width: min(100% - 32px, 1240px); }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 19px 0;
  }

  .brand-copy small { font-size: 0.42rem; }
  .header-meta { width: 100%; justify-content: space-between; }
  .hero { gap: 44px; padding: 52px 0 58px; }
  h1 { font-size: clamp(3.35rem, 17vw, 5rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 70px; }
  .visual { width: calc(100% - 18px); padding-left: 18px; }
  .photo-wrap img, .photo-wrap::after { border-radius: 3px 26px 3px 26px; }
  .flight-badge { right: -20px; width: 82px; height: 82px; }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding: 18px 0;
  }

  .footer-rule { display: none; }
  .site-footer .domain { margin: 5px 0 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .status-light { animation: pulse 2.5s ease-in-out infinite; }

  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 5px rgba(73, 211, 245, 0.08), 0 0 14px rgba(73, 211, 245, 0.75); }
    50% { box-shadow: 0 0 0 8px rgba(73, 211, 245, 0), 0 0 22px rgba(73, 211, 245, 1); }
  }
}
