:root {
  color-scheme: light;
  --green-950: #032e1f;
  --green-900: #06412c;
  --green-800: #075d3d;
  --green-700: #0b7850;
  --green-600: #0c9661;
  --green-500: #10b56f;
  --green-300: #71e1ad;
  --green-100: #daf8e9;
  --ink: #10251d;
  --muted: #617169;
  --paper: #f7faf8;
  --white: #ffffff;
  --line: #dce7e1;
  --display: "Aptos Display", "Segoe UI", Arial, sans-serif;
  --body: "Aptos", "Segoe UI", Arial, sans-serif;
  --shell: min(1180px, calc(100% - 48px));
  --radius: 22px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--green-500); outline-offset: 4px; }

.shell { width: var(--shell); margin-inline: auto; }
.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; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 16px; background: var(--green-300); color: var(--green-950); font-weight: 800; text-decoration: none; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid transparent;
  color: white;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.site-header[data-scrolled] { background: rgba(3, 46, 31, .94); border-color: rgba(255,255,255,.12); backdrop-filter: blur(16px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 18px; font-weight: 750; letter-spacing: -.03em; text-decoration: none; }
.brand img { width: 43px; height: 43px; display: block; border-radius: 11px; }
.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a { color: #cce2d7; font-size: 14px; font-weight: 650; text-decoration: none; transition: color 150ms ease; }
.site-nav a:hover { color: white; }
.site-nav .nav-status { padding: 9px 17px; border: 1px solid rgba(113,225,173,.5); border-radius: 999px; color: var(--green-300); }
.menu-button { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: white; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 1px; margin: 7px auto; background: currentColor; transition: transform 150ms ease; }
.menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(4px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

.hero {
  min-height: 820px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 138px 0 86px;
  background:
    radial-gradient(circle at 77% 42%, rgba(16,181,111,.24), transparent 27%),
    linear-gradient(130deg, #032e1f 0%, #053925 52%, #021d15 100%);
  color: white;
}

.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr); gap: 55px; align-items: center; }
.eyebrow, .section-label { margin: 0 0 18px; color: var(--green-600); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { color: var(--green-300); }
.eyebrow span { width: 7px; height: 7px; display: inline-block; margin-right: 8px; border-radius: 50%; background: var(--green-300); box-shadow: 0 0 0 5px rgba(113,225,173,.13); }
.hero h1, .section h2 { margin: 0; font-family: var(--display); font-weight: 690; letter-spacing: -.055em; line-height: 1.03; }
.hero h1 { max-width: 700px; font-size: clamp(56px, 6.7vw, 91px); }
.hero h1 em { color: var(--green-300); font-style: normal; }
.hero-lede { max-width: 620px; margin: 28px 0 0; color: #c9ded4; font-size: clamp(18px, 1.8vw, 21px); line-height: 1.62; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 35px; }
.button { min-height: 51px; display: inline-flex; align-items: center; justify-content: center; padding: 0 23px; border: 1px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 800; text-decoration: none; transition: transform 150ms ease, background-color 150ms ease, border-color 150ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green-300); color: var(--green-950); }
.button-primary:hover { background: #92ebc4; }
.button-secondary { border-color: rgba(255,255,255,.26); color: white; }
.button-secondary:hover { border-color: rgba(255,255,255,.62); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 12px 25px; margin: 33px 0 0; padding: 0; color: #9fc3b2; font-size: 12px; list-style: none; }
.hero-proof li::before { content: "✓"; margin-right: 7px; color: var(--green-300); font-weight: 800; }

.hero-visual { position: relative; min-height: 560px; }
.feature-art { position: absolute; top: 65px; right: -24px; width: 94%; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 31px; background: #031f19; box-shadow: 0 36px 90px rgba(0,0,0,.38); transform: rotate(-2deg); }
.feature-art img { width: 100%; display: block; }
.flight-path { position: absolute; border: 1px solid rgba(113,225,173,.22); border-radius: 50%; transform: rotate(-19deg); }
.path-one { inset: 4% -5% 8% 8%; }
.path-two { inset: 18% 8% 19% 0; border-color: rgba(113,225,173,.12); }
.status-card { position: absolute; z-index: 2; min-width: 176px; display: grid; grid-template-columns: 1fr auto; gap: 1px 16px; padding: 17px 18px; border: 1px solid rgba(255,255,255,.2); border-radius: 15px; background: rgba(4,39,28,.9); box-shadow: 0 14px 34px rgba(0,0,0,.3); backdrop-filter: blur(12px); }
.status-card span { color: #9fc3b2; font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.status-card strong { grid-row: 1 / 3; grid-column: 2; align-self: center; color: var(--green-300); font-size: 25px; }
.status-card small { color: white; font-size: 12px; }
.status-card-aircraft { top: 14px; left: 11px; }
.status-card-flight { right: 7px; bottom: 21px; }

.signal-strip { background: #021e15; color: #8db6a2; border-top: 1px solid rgba(255,255,255,.07); }
.signal-grid { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.signal-grid i { width: 5px; height: 5px; border-radius: 50%; background: var(--green-500); box-shadow: 0 0 0 5px rgba(16,181,111,.11); }

.section { padding: 124px 0; }
.section h2 { font-size: clamp(39px, 5vw, 64px); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 57px; }
.section-heading > p { max-width: 470px; margin: 0 0 7px; color: var(--muted); font-size: 17px; }

.features { background: var(--paper); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feature-card { min-height: 335px; position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.feature-card:hover { transform: translateY(-3px); border-color: #add7c2; box-shadow: 0 16px 45px rgba(4,58,39,.08); }
.feature-card-wide { grid-column: span 2; min-height: 425px; display: grid; grid-template-columns: 70px 1fr; background: linear-gradient(120deg, white 50%, #eef9f3); }
.feature-number { color: var(--green-600); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.feature-card h3 { max-width: 540px; margin: 0 0 13px; font-family: var(--display); font-size: clamp(27px, 3vw, 37px); letter-spacing: -.04em; line-height: 1.12; }
.feature-card p { max-width: 620px; margin: 0; color: var(--muted); }
.mini-hangar { max-width: 720px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 31px; }
.mini-hangar > div { display: grid; gap: 3px; padding: 15px; border: 1px solid #cfe2d8; border-radius: 12px; background: rgba(255,255,255,.82); }
.mini-hangar span { color: var(--green-600); font-size: 10px; font-weight: 800; }
.mini-hangar strong { font-size: 15px; }
.mini-hangar small { color: #71827a; font-size: 11px; }
.card-icon { position: absolute; right: 27px; bottom: 22px; color: #b5ddca; font-size: 72px; font-weight: 200; line-height: 1; }
.battery-meter { width: 132px; height: 43px; display: flex; gap: 4px; padding: 5px; border: 3px solid #b8d8c8; border-radius: 8px; }
.battery-meter::after { content: ""; width: 6px; height: 19px; align-self: center; margin-right: -14px; border-radius: 0 3px 3px 0; background: #b8d8c8; }
.battery-meter span { flex: 1; border-radius: 3px; background: var(--green-500); }
.weather-chip { width: fit-content; display: flex; gap: 13px; align-items: center; padding: 12px 15px; border-radius: 12px; background: var(--green-100); color: var(--green-900); }
.weather-chip strong { font-size: 24px; }
.weather-chip span { color: #47705e; font-size: 12px; }
.bar-chart { height: 72px; display: flex; align-items: end; gap: 7px; }
.bar-chart i { width: 18px; border-radius: 4px 4px 0 0; background: var(--green-500); }
.bar-chart i:nth-child(1) { height: 34%; } .bar-chart i:nth-child(2) { height: 55%; } .bar-chart i:nth-child(3) { height: 44%; } .bar-chart i:nth-child(4) { height: 78%; } .bar-chart i:nth-child(5) { height: 100%; }

.local-first { background: var(--green-950); color: white; }
.local-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(420px, .76fr); gap: clamp(70px, 10vw, 145px); align-items: center; }
.local-first .section-label { color: var(--green-300); }
.local-copy p:not(.section-label) { max-width: 600px; margin: 24px 0 0; color: #b6d0c4; font-size: 17px; }
.local-principles { border-top: 1px solid rgba(255,255,255,.15); }
.local-principles article { display: grid; grid-template-columns: 38px 1fr; gap: 18px; padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.local-principles article > span { color: var(--green-300); font-size: 11px; font-weight: 800; }
.local-principles h3 { margin: 0 0 3px; font-size: 17px; }
.local-principles p { margin: 0; color: #92b2a3; font-size: 14px; }

.pro { background: #eaf5ef; }
.tier-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.tier-card { min-height: 370px; padding: 31px; border: 1px solid #c7dfd3; border-radius: var(--radius); background: rgba(255,255,255,.78); }
.tier-card-flight { background: var(--green-900); color: white; border-color: var(--green-900); }
.tier-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.tier-top > span { font-size: 13px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.tier-top small { padding: 5px 10px; border-radius: 999px; background: var(--green-100); color: var(--green-800); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.tier-card-flight .tier-top small { background: rgba(113,225,173,.13); color: var(--green-300); }
.tier-card h3 { max-width: 410px; margin: 67px 0 24px; font-family: var(--display); font-size: clamp(30px, 4vw, 47px); letter-spacing: -.045em; line-height: 1.05; }
.tier-card ul { display: grid; gap: 9px; margin: 0; padding: 0; color: var(--muted); list-style: none; }
.tier-card li::before { content: "✓"; margin-right: 9px; color: var(--green-600); font-weight: 800; }
.tier-card-flight ul { color: #bad3c7; }
.tier-card-flight li::before { color: var(--green-300); }
.portal-note { display: grid; grid-template-columns: auto 1fr; gap: 25px; align-items: center; margin-top: 18px; padding: 30px; border: 1px dashed #8bc4a7; border-radius: var(--radius); background: rgba(255,255,255,.48); }
.portal-mark { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 18px; background: var(--green-950); color: var(--green-300); font-family: var(--display); font-size: 28px; font-weight: 800; }
.portal-note span { color: var(--green-700); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.portal-note h3 { margin: 4px 0 4px; font-size: 22px; }
.portal-note p { margin: 0; color: var(--muted); }

.safety { background: #f4f0e7; }
.safety-inner { display: grid; grid-template-columns: auto 1fr; gap: 50px; align-items: center; }
.safety-icon { width: 105px; height: 105px; display: grid; place-items: center; border: 1px solid #a69d87; border-radius: 50%; color: #716958; font-size: 14px; font-weight: 850; letter-spacing: .1em; }
.safety-inner h2 { max-width: 780px; font-size: clamp(36px, 5vw, 59px); }
.safety-inner p:not(.section-label) { max-width: 760px; margin: 21px 0 0; color: #6e685a; }
.safety .section-label { color: #776b50; }

.faq { background: white; }
.faq-grid { display: grid; grid-template-columns: minmax(300px, .75fr) minmax(420px, 1fr); gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 45px 24px 0; font-family: var(--display); font-size: 18px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 22px; color: var(--green-600); font-size: 26px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: -3px 55px 23px 0; color: var(--muted); }

.launch { background: var(--green-300); }
.launch-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 70px; align-items: end; }
.launch .section-label { color: var(--green-800); }
.launch-panel h2 { color: var(--green-950); }
.launch-panel > div > p:not(.section-label) { max-width: 600px; margin: 22px 0 0; color: #27634a; }
.launch-contact { min-width: min(100%, 385px); display: grid; grid-template-columns: 1fr auto; gap: 3px 25px; align-items: center; padding: 20px 0; border-bottom: 1px solid rgba(3,46,31,.5); color: var(--green-950); text-decoration: none; }
.launch-contact span { grid-column: 1; font-size: 10px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.launch-contact strong { grid-column: 1; font-size: 17px; }
.launch-contact b { grid-column: 2; grid-row: 1 / 3; font-size: 25px; transition: transform 150ms ease; }
.launch-contact:hover b { transform: translateX(5px); }

.site-footer { background: #021e15; color: white; }
.footer-main { display: grid; grid-template-columns: 1fr auto; gap: 70px; padding-top: 68px; padding-bottom: 64px; }
.footer-brand { font-size: 20px; }
.footer-main > div:first-child > p { max-width: 410px; margin: 17px 0 0; color: #83a493; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: 70px; }
.footer-links > div { display: flex; flex-direction: column; gap: 8px; }
.footer-links span { margin-bottom: 5px; color: #6f9381; font-size: 10px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.footer-links a { color: #b9d0c5; font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: var(--green-300); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 21px; padding-bottom: 23px; border-top: 1px solid rgba(255,255,255,.11); color: #658977; font-size: 12px; }
.footer-bottom p { margin: 0; }

.legal-page { min-height: 72vh; padding: 145px 0 110px; background: var(--paper); }
.legal-page + .site-footer { margin-top: 0; }
.legal-content { max-width: 820px; }
.legal-page h1 { margin: 0; font-family: var(--display); font-size: clamp(44px, 7vw, 72px); letter-spacing: -.055em; line-height: 1; }
.legal-updated { margin: 14px 0 50px; color: var(--muted); }
.legal-page h2 { margin: 40px 0 11px; font-size: 23px; letter-spacing: -.025em; }
.legal-page p, .legal-page li { color: #586a61; }
.legal-page a { color: var(--green-700); }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 40px 0; background: var(--green-950); color: white; text-align: center; }
.error-code { margin: 0; color: var(--green-300); font-size: 12px; font-weight: 850; letter-spacing: .2em; }
.error-page h1 { margin: 11px 0; font-family: var(--display); font-size: clamp(44px, 8vw, 76px); letter-spacing: -.055em; }
.error-page p:not(.error-code) { margin: 0 auto 29px; color: #9fc3b2; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 530px; }
  .feature-art { width: min(92%, 720px); right: 2%; }
  .local-grid { grid-template-columns: 1fr; }
  .local-principles { max-width: 700px; }
  .section-heading { display: grid; align-items: start; }
  .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .launch-panel { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 34px, 1180px); }
  .header-inner { min-height: 69px; }
  .brand { font-size: 16px; }
  .brand img { width: 38px; height: 38px; border-radius: 9px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 17px; border-bottom: 1px solid rgba(255,255,255,.12); background: rgba(3,46,31,.98); }
  .site-nav[data-open] { display: flex; }
  .site-nav a { padding: 11px 8px; font-size: 16px; }
  .site-nav .nav-status { margin-top: 7px; text-align: center; }
  .hero { min-height: auto; padding-top: 116px; padding-bottom: 67px; }
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: clamp(49px, 14vw, 68px); }
  .hero-lede { margin-top: 23px; }
  .hero-proof { display: grid; gap: 8px; }
  .hero-visual { min-height: 390px; }
  .feature-art { top: 42px; right: -6%; width: 105%; border-radius: 19px; }
  .status-card { min-width: 153px; padding: 13px; }
  .status-card-flight { right: -2px; bottom: 4px; }
  .signal-grid { min-height: 61px; overflow: hidden; gap: 22px; justify-content: flex-start; }
  .signal-grid span:nth-of-type(n+4), .signal-grid i:nth-of-type(n+4) { display: none; }
  .section { padding: 86px 0; }
  .section-heading { gap: 23px; margin-bottom: 37px; }
  .feature-grid, .tier-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-card-wide { grid-column: auto; min-height: 330px; display: flex; padding: 24px; }
  .feature-card-wide { min-height: 520px; }
  .mini-hangar { grid-template-columns: 1fr; }
  .tier-card { min-height: 350px; padding: 25px; }
  .tier-card h3 { margin-top: 55px; }
  .portal-note { grid-template-columns: 1fr; padding: 24px; }
  .safety-inner { grid-template-columns: 1fr; gap: 30px; }
  .safety-icon { width: 76px; height: 76px; }
  .launch-contact { width: 100%; min-width: 0; }
  .launch-contact strong { font-size: 14px; }
  .footer-main { grid-template-columns: 1fr; gap: 50px; }
  .footer-links { gap: 35px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
