:root {
  --ink: #07101f;
  --navy: #061327;
  --blue: #1368f4;
  --electric: #4ba3ff;
  --cyan: #72d8ff;
  --paper: #f5f8fc;
  --line: rgba(10, 44, 91, 0.14);
  --muted: #5a6b80;
  --font-geist-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(90deg, rgba(2, 10, 24, 0.97) 0%, rgba(3, 13, 31, 0.86) 45%, rgba(3, 12, 27, 0.24) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(3, 12, 27, 0.86)),
    url("./background-dark.jpg") center / cover no-repeat;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  content: "";
  pointer-events: none;
  background: linear-gradient(transparent, rgba(2, 10, 24, 0.9));
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.13;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(106, 178, 255, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 178, 255, 0.35) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(90deg, black, transparent 74%);
}

.site-header {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 11px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(16, 103, 244, 0.28);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.site-header nav a,
.footer-inner a,
.text-link {
  transition: color 160ms ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: white;
}

.header-cta {
  justify-self: end;
  padding: 11px 17px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  transition: background 160ms ease, border-color 160ms ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 40px;
  min-height: 620px;
  padding-block: 64px 88px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--cyan);
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5de3aa;
  box-shadow: 0 0 0 5px rgba(93, 227, 170, 0.12), 0 0 20px #5de3aa;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(54px, 6vw, 84px);
  font-weight: 540;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero h1 span {
  color: #6eb3ff;
}

.hero-lede {
  max-width: 640px;
  margin: 28px 0 0;
  color: rgba(232, 242, 255, 0.72);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 760;
  transition: transform 170ms ease, box-shadow 170ms ease, background 170ms ease;
}

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

.button-primary {
  background: #2479ff;
  box-shadow: 0 14px 40px rgba(18, 103, 244, 0.34);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #3988ff;
  box-shadow: 0 18px 48px rgba(18, 103, 244, 0.44);
}

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(12px);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 44px;
  color: rgba(255, 255, 255, 0.36);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 460px;
}

.visual-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(31, 126, 255, 0.28);
  filter: blur(70px);
}

.icon-card {
  position: relative;
  z-index: 2;
  width: min(66%, 310px);
  aspect-ratio: 1;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 68px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.46), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(18px);
  animation: drift 7s ease-in-out infinite;
}

.icon-card img {
  width: 100%;
  height: 100%;
  border-radius: 54px;
  display: block;
}

.orbit {
  position: absolute;
  width: 420px;
  height: 210px;
  border: 1px solid rgba(109, 189, 255, 0.24);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.orbit::after {
  position: absolute;
  top: 11px;
  right: 76px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  content: "";
  background: #8ae4ff;
  box-shadow: 0 0 16px #44c7ff;
}

.orbit-two {
  width: 320px;
  height: 440px;
  opacity: 0.5;
  transform: rotate(34deg);
}

.data-chip {
  position: absolute;
  z-index: 3;
  min-width: 138px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(4, 16, 36, 0.72);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
}

.data-chip span {
  display: block;
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
}

.data-chip strong {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.data-chip i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5de3aa;
  box-shadow: 0 0 10px #5de3aa;
}

.chip-top {
  top: 74px;
  right: 2px;
}

.chip-bottom {
  bottom: 64px;
  left: 4px;
}

.hero-foot {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 27px;
  left: 0;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.26);
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  letter-spacing: 0.18em;
}

.coverage-section {
  position: relative;
  padding: 130px 0 105px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(247, 250, 254, 0.98) 0%, rgba(247, 250, 254, 0.96) 50%, rgba(247, 250, 254, 0.62) 100%),
    url("./background-light.jpg") center / cover no-repeat;
}

.coverage-section::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36));
}

.section-intro {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  gap: 100px;
  align-items: end;
}

.section-kicker {
  color: #216bcf;
}

.section-intro h2,
.section-heading-dark h2,
.compatibility-copy h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(38px, 4.7vw, 64px);
  font-weight: 560;
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.section-intro > p,
.section-heading-dark > p:last-child,
.compatibility-copy > p,
.final-cta p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 78px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  min-height: 168px;
  padding: 38px 28px;
  border-right: 1px solid var(--line);
}

.stat:first-child {
  padding-left: 0;
}

.stat:last-child {
  border-right: 0;
}

.stat strong {
  display: block;
  color: #0a438c;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 560;
  letter-spacing: -0.045em;
}

.stat span {
  display: block;
  margin-top: 12px;
  color: #67778a;
  font-size: 13px;
}

.airspace-note {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  color: #627286;
  font-size: 13px;
}

.note-index {
  padding: 8px 11px;
  border-radius: 5px;
  color: #1559b7;
  background: rgba(30, 111, 222, 0.09);
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  font-weight: 700;
}

.updates-section {
  position: relative;
  padding: 126px 0;
  color: white;
  background:
    radial-gradient(circle at 82% 12%, rgba(20, 100, 220, 0.17), transparent 30%),
    #071326;
}

.updates-section::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.18;
  pointer-events: none;
  background-image: linear-gradient(rgba(92, 157, 239, 0.18) 1px, transparent 1px);
  background-size: 100% 90px;
}

.updates-section .shell {
  position: relative;
}

.section-heading-dark {
  display: grid;
  grid-template-columns: 0.95fr 0.65fr;
  align-items: end;
  gap: 100px;
}

.section-heading-dark .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -72px;
  color: #66b7ff;
}

.section-heading-dark > p:last-child {
  color: rgba(221, 234, 250, 0.58);
}

.update-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 70px;
}

.update-card {
  min-height: 294px;
  padding: 28px;
  border: 1px solid rgba(111, 171, 246, 0.16);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(24, 55, 94, 0.5), rgba(8, 22, 44, 0.3));
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.update-card:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 171, 246, 0.32);
  background: linear-gradient(145deg, rgba(29, 68, 118, 0.57), rgba(8, 22, 44, 0.38));
}

.card-topline {
  display: flex;
  justify-content: space-between;
  color: #69c3ff;
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.card-topline span:last-child {
  color: rgba(255, 255, 255, 0.26);
}

.update-card h3 {
  margin: 82px 0 14px;
  font-size: 22px;
  font-weight: 590;
  letter-spacing: -0.03em;
}

.update-card p {
  margin: 0;
  color: rgba(219, 232, 249, 0.55);
  font-size: 14px;
  line-height: 1.65;
}

.atc-callout {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 18px;
  padding: 23px 28px;
  border: 1px solid rgba(105, 195, 255, 0.15);
  border-radius: 10px;
  background: rgba(25, 83, 150, 0.15);
}

.radio-wave {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(105, 195, 255, 0.25);
  border-radius: 50%;
  color: #69c3ff;
  font-family: var(--font-geist-mono), monospace;
}

.atc-callout p {
  margin: 0 0 5px;
  color: #69c3ff;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.atc-callout strong {
  font-size: 14px;
  font-weight: 520;
}

.compatibility-section {
  padding: 130px 0;
  background: #f6f9fd;
}

.compatibility-grid {
  display: grid;
  grid-template-columns: 0.9fr 0.7fr;
  align-items: center;
  gap: 120px;
}

.compatibility-copy > p {
  max-width: 580px;
  margin-top: 28px;
}

.compatibility-copy ul {
  display: grid;
  gap: 14px;
  margin: 32px 0;
  padding: 0;
  list-style: none;
  color: #24364b;
  font-size: 14px;
}

.compatibility-copy li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.compatibility-copy li span {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  color: #1767d2;
  background: #e5f0ff;
  font-size: 11px;
  font-weight: 800;
}

.text-link {
  color: #1565d0;
  font-size: 14px;
  font-weight: 760;
}

.text-link:hover,
.text-link:focus-visible {
  color: #053d8a;
}

.compatibility-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(8, 46, 97, 0.14);
  border-radius: 12px;
  background: white;
  box-shadow: 0 32px 80px rgba(21, 62, 112, 0.13);
}

.compatibility-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(115deg, rgba(53, 137, 247, 0.06), transparent 40%);
}

.panel-head,
.panel-foot {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 17px 20px;
  color: #61738a;
  background: #f4f8fc;
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.panel-head span:last-child {
  color: #16845a;
}

.matrix-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
  min-height: 86px;
  padding: 0 22px;
  border-top: 1px solid #e5ecf4;
}

.matrix-row > span {
  color: #2c3d51;
  font-size: 14px;
}

.matrix-row strong {
  color: #0d4c9d;
  font-size: 24px;
  font-weight: 570;
}

.matrix-row i {
  padding: 6px 8px;
  border-radius: 4px;
  color: #137450;
  background: #e7f6ef;
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.panel-foot {
  justify-content: flex-start;
  gap: 26px;
  border-top: 1px solid #e5ecf4;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 94px 0;
  color: white;
  background:
    linear-gradient(90deg, rgba(0, 75, 185, 0.95), rgba(16, 105, 241, 0.78)),
    url("./background-dark.jpg") center 58% / cover no-repeat;
}

.final-cta::after {
  position: absolute;
  top: -200px;
  right: -100px;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  content: "";
}

.final-cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.final-cta .section-kicker {
  color: #c2e7ff;
}

.final-cta h2 {
  font-size: clamp(38px, 4.4vw, 58px);
}

.final-cta p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.7);
}

.button-light {
  flex: 0 0 auto;
  color: #06418e;
  background: white;
  box-shadow: 0 18px 48px rgba(0, 34, 86, 0.22);
}

.button-light:hover,
.button-light:focus-visible {
  box-shadow: 0 23px 54px rgba(0, 34, 86, 0.32);
}

footer {
  padding: 32px 0;
  color: rgba(255, 255, 255, 0.56);
  background: #040c18;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  color: white;
}

.footer-brand img {
  width: 29px;
  height: 29px;
  border-radius: 7px;
}

.footer-inner p {
  margin: 0;
  font-size: 11px;
}

.footer-inner > div {
  display: flex;
  justify-content: flex-end;
  gap: 22px;
  font-size: 11px;
}

.footer-inner > div a:hover,
.footer-inner > div a:focus-visible {
  color: white;
}

@keyframes drift {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-13px) rotate(1deg); }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    padding-top: 84px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    display: none;
  }

  .hero-foot {
    position: relative;
    bottom: auto;
    padding-bottom: 28px;
  }

  .section-intro,
  .section-heading-dark,
  .compatibility-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .section-heading-dark .section-kicker {
    grid-column: auto;
    margin-bottom: -8px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat:nth-child(2) {
    border-right: 0;
  }

  .stat:first-child,
  .stat:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .stat:nth-child(3) {
    padding-left: 0;
  }

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

  .update-card {
    min-height: 235px;
  }

  .update-card h3 {
    margin-top: 44px;
  }

  .compatibility-copy {
    max-width: 700px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 76px;
  }

  .header-cta {
    padding: 9px 12px;
    font-size: 11px;
  }

  .brand {
    font-size: 15px;
  }

  .brand img {
    width: 31px;
    height: 31px;
  }

  .hero-content {
    min-height: 620px;
    padding: 82px 0 76px;
  }

  .hero h1 {
    font-size: clamp(46px, 15vw, 62px);
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .trust-row {
    margin-top: 34px;
  }

  .hero-foot {
    display: none;
  }

  .coverage-section,
  .updates-section,
  .compatibility-section {
    padding: 88px 0;
  }

  .stats {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .stat,
  .stat:first-child,
  .stat:nth-child(3) {
    min-height: auto;
    padding: 26px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .airspace-note {
    align-items: flex-start;
  }

  .atc-callout {
    align-items: flex-start;
    padding: 20px;
  }

  .compatibility-grid {
    gap: 58px;
  }

  .matrix-row {
    gap: 13px;
    padding-inline: 16px;
  }

  .final-cta {
    padding: 78px 0;
  }

  .final-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 36px;
  }

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

  .footer-inner > div {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .icon-card {
    animation: none;
  }

  .button,
  .update-card {
    transition: none;
  }
}