:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #aec1d4;
  --cyan: #18b8f2;
  --violet: #8057e6;
  --navy: #06101d;
  --line: rgba(168, 214, 241, .18);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--navy);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 5%, rgba(28, 136, 210, .16), transparent 32rem),
    var(--navy);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -3;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 9, 17, .86) 0%, rgba(3, 9, 17, .52) 28%, rgba(3, 9, 17, .05) 62%),
    linear-gradient(0deg, rgba(3, 9, 17, .86) 0%, transparent 42%),
    linear-gradient(180deg, rgba(3, 9, 17, .4) 0%, transparent 25%);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(92%, 1480px);
  margin: 0 auto;
  padding: max(1.25rem, env(safe-area-inset-top)) 0 1rem;
}

.wordmark {
  color: #fff;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 750;
  letter-spacing: -.055em;
  text-decoration: none;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .45);
}

.wordmark span { color: var(--cyan); }

.status {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .8rem;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 999px;
  background: rgba(5, 15, 26, .42);
  backdrop-filter: blur(12px);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.status i {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.hero-copy {
  position: absolute;
  left: max(4%, calc((100% - 1480px) / 2));
  bottom: clamp(8.5rem, 17vh, 13rem);
  width: min(38rem, 90%);
}

.eyebrow {
  margin: 0 0 1rem;
  color: #79d5fa;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { text-wrap: balance; }

h1 {
  margin: 0;
  font-size: clamp(3.5rem, 7vw, 7.5rem);
  font-weight: 780;
  letter-spacing: -.065em;
  line-height: .85;
  text-shadow: 0 8px 36px rgba(0, 0, 0, .5);
}

.lead {
  margin: 1.6rem 0 2rem;
  color: #e3eef7;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 500;
}

.discover,
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: .25rem;
  background: rgba(5, 15, 26, .5);
  backdrop-filter: blur(12px);
  font-size: .84rem;
  font-weight: 750;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .2s, background .2s, transform .2s;
}

.discover:hover,
.discover:focus-visible,
.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: var(--cyan);
  background: rgba(8, 48, 72, .75);
  transform: translateY(-2px);
  outline: none;
}

.weather-note {
  position: absolute;
  right: max(4%, calc((100% - 1480px) / 2));
  bottom: 2rem;
  margin: 0;
  color: rgba(255, 255, 255, .78);
  font-size: .76rem;
  font-weight: 650;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.weather-note span { color: var(--cyan); }

.vision {
  width: min(92%, 1300px);
  margin: 0 auto;
  padding: clamp(6rem, 12vw, 11rem) 0;
}

.vision-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
  column-gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
}

.vision-intro .eyebrow { grid-column: 1 / -1; }

.vision h2,
.closing h2 {
  margin: 0;
  font-size: clamp(2.65rem, 5vw, 5.6rem);
  letter-spacing: -.055em;
  line-height: .98;
}

.vision-intro > p:last-child {
  margin: 0 0 .4rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(4rem, 9vw, 8rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid article {
  min-height: 18rem;
  padding: 2.25rem;
  border-right: 1px solid var(--line);
}

.feature-grid article:first-child { padding-left: 0; }
.feature-grid article:last-child { border-right: 0; }

.number {
  color: var(--cyan);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .15em;
}

.feature-grid h3 {
  margin: 4.5rem 0 .8rem;
  font-size: 1.35rem;
  letter-spacing: -.025em;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
}

.closing {
  display: grid;
  place-items: center;
  min-height: 65vh;
  padding: 7rem 4%;
  border-top: 1px solid var(--line);
  text-align: center;
  background:
    radial-gradient(circle at 50% 60%, rgba(27, 155, 220, .18), transparent 30rem),
    linear-gradient(160deg, rgba(128, 87, 230, .08), transparent 45%);
}

.closing > * { margin-left: auto; margin-right: auto; }
.closing > p:not(.eyebrow) { color: var(--muted); }
.closing .back-to-top { margin-top: 1.8rem; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 4%;
  border-top: 1px solid var(--line);
  color: #7f97ad;
  font-size: .73rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width: 800px) {
  .hero-image { object-position: 60% center; }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(3, 9, 17, .95) 0%, rgba(3, 9, 17, .6) 42%, rgba(3, 9, 17, .04) 78%),
      linear-gradient(180deg, rgba(3, 9, 17, .5) 0%, transparent 24%);
  }

  .hero-copy {
    left: 5%;
    bottom: 7rem;
    width: 90%;
  }

  h1 { font-size: clamp(3.3rem, 17vw, 5.3rem); }
  .weather-note { display: none; }

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

  .vision-intro > p:last-child { margin-top: 2rem; }

  .feature-grid article,
  .feature-grid article:first-child {
    min-height: 0;
    padding: 2rem 0 2.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-grid article:last-child { border-bottom: 0; }
  .feature-grid h3 { margin-top: 2.5rem; }
}

@media (max-width: 520px) {
  .status { font-size: .61rem; }
  .hero-copy { bottom: 4.5rem; }
  .lead { max-width: 18rem; }

  footer {
    flex-direction: column;
    text-align: center;
  }
}

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