* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --navy: #101a29;
  --ink: #f4f7fa;
  --muted: #aeb8c6;
  --teal: #58c4c1;
}

html, body { width: 100%; min-width: 320px; min-height: 100%; margin: 0; }

body {
  min-height: 100vh;
  overflow: hidden;
  background: #111b2b;
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.landing {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 68px) clamp(24px, 6vw, 96px) 26px;
  background:
    radial-gradient(ellipse at 76% 36%, rgba(57, 114, 140, .27), transparent 34%),
    radial-gradient(ellipse at 18% 84%, rgba(42, 69, 106, .3), transparent 42%),
    linear-gradient(132deg, #111b2a 0%, #18283a 48%, #111a29 100%);
}

.brand, .footer { position: relative; z-index: 2; display: flex; align-items: center; }

.brand { gap: 18px; }

.brand-logo { width: 54px; height: 42px; display: block; object-fit: contain; }

.brand-divider { width: 1px; height: 28px; background: rgba(255, 255, 255, .24); }

.brand-name { margin: 0; color: rgba(244, 247, 250, .84); font-size: 10px; font-weight: 650; letter-spacing: .15em; line-height: 1.55; }

.message { position: relative; z-index: 2; width: min(760px, 100%); margin: auto; padding: 90px 0 100px; }

.eyebrow { display: flex; align-items: center; gap: 11px; color: #c4d0dc; font-size: 10px; font-weight: 650; letter-spacing: .2em; }

.eyebrow-mark { width: 24px; height: 1px; background: var(--teal); box-shadow: 0 0 12px rgba(88, 196, 193, .6); }

h1 { margin: 25px 0 18px; color: #fff; font-size: clamp(66px, 11vw, 148px); font-weight: 300; letter-spacing: -.065em; line-height: .82; }

h1 span { color: #b9c9d5; font-weight: 650; letter-spacing: -.045em; }

.intro { max-width: 480px; margin: 30px 0 0; color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); font-weight: 350; line-height: 1.7; }

.rule { width: min(500px, 100%); height: 1px; margin: 42px 0 18px; background: linear-gradient(90deg, rgba(255,255,255,.36), rgba(255,255,255,.04)); }

.rule span { display: block; width: 44px; height: 1px; background: var(--teal); box-shadow: 0 0 10px rgba(88,196,193,.55); }

.descriptor { margin: 0; color: rgba(220, 229, 236, .68); font-size: 9px; font-weight: 650; letter-spacing: .2em; }

.footer { gap: 10px; color: rgba(235, 241, 246, .56); font-size: 8px; font-weight: 550; letter-spacing: .13em; }

.footer-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--teal); }

.ambient, .geometry { position: absolute; z-index: 1; pointer-events: none; }

.ambient-one { width: min(52vw, 780px); aspect-ratio: 1; top: 4%; right: -10%; border-radius: 50%; background: radial-gradient(circle, rgba(125, 176, 195, .12), transparent 67%); filter: blur(12px); }

.ambient-two { width: min(40vw, 580px); aspect-ratio: 1; left: -14%; bottom: -30%; border-radius: 50%; background: radial-gradient(circle, rgba(94, 133, 184, .17), transparent 70%); filter: blur(18px); }

.geometry-one { width: min(47vw, 670px); height: min(47vw, 670px); right: -9%; top: 23%; border: 1px solid rgba(202, 222, 233, .095); transform: rotate(45deg); }

.geometry-two { width: min(31vw, 440px); height: min(31vw, 440px); right: 2%; top: 34%; border: 1px solid rgba(88, 196, 193, .15); transform: rotate(45deg); }

@media (max-width: 640px) {
  .landing { min-height: 100svh; padding: 24px 24px 20px; }
  .brand { gap: 13px; }
  .brand-logo { width: 44px; height: 36px; }
  .brand-name { font-size: 8px; }
  .message { padding: 70px 0 82px; }
  h1 { font-size: clamp(64px, 19vw, 100px); }
  .eyebrow { font-size: 8px; letter-spacing: .15em; }
  .intro { font-size: 15px; }
  .geometry-one { width: 86vw; height: 86vw; right: -42%; top: 31%; }
  .geometry-two { width: 54vw; height: 54vw; right: -9%; top: 45%; }
  .footer { flex-wrap: wrap; font-size: 7px; letter-spacing: .1em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}