:root {
  --ink: #07121e;
  --paper: #f5f8fa;
  --white: #ffffff;
  --cyan: #26d7f2;
  --green: #7bdf5c;
  --yellow: #ffd143;
  --coral: #ff6b55;
  --line: rgba(7, 18, 30, 0.14);
  --small: 13px;
  --body: 17px;
  --display: 48px;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--body);
  letter-spacing: 0;
  line-height: 1.5;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px; transform: translateY(-160%); background: var(--white); border-radius: 12px; }
.skip-link:focus { transform: none; }

.landing-nav {
  position: fixed;
  z-index: 20;
  top: 18px;
  left: 50%;
  display: flex;
  width: min(1120px, calc(100% - 32px));
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 8px 14px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 22px;
  background: rgba(8, 20, 33, 0.7);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.22);
  color: var(--white);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
}

.landing-brand { display: flex; align-items: center; gap: 10px; font-size: var(--small); font-weight: 750; text-decoration: none; }
.landing-brand img { width: 40px; height: 40px; }
.nav-link { padding: 10px 16px; border-radius: 14px; background: rgba(255, 255, 255, 0.12); font-size: var(--small); font-weight: 700; text-decoration: none; transition: transform 180ms ease, background 180ms ease; }
.nav-link:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.2); }

.hero {
  position: relative;
  display: grid;
  min-height: min(820px, 92vh);
  align-items: end;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero-image,
.hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 22%; transform: scale(1.015); animation: hero-settle 1000ms cubic-bezier(.2,.8,.2,1) both; }
.hero-shade { background: rgba(3, 12, 20, 0.94); }
.hero-content { position: relative; z-index: 2; width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 160px 0 84px; }
.beta-note { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; font-size: var(--small); font-weight: 750; text-transform: uppercase; }
.beta-note span { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(123, 223, 92, 0.14); }
.hero h1 { max-width: 900px; margin: 0; font-size: var(--display); line-height: 0.98; letter-spacing: 0; }
.hero-problem { max-width: 720px; margin: 26px 0 8px; font-size: var(--body); font-weight: 750; line-height: 1.35; }
.hero-support { max-width: 620px; margin: 0 0 30px; color: rgba(255, 255, 255, 0.72); }
.primary-cta { display: inline-flex; min-height: 54px; align-items: center; gap: 12px; padding: 0 20px; border-radius: 17px; background: var(--cyan); color: var(--ink); font-size: var(--small); font-weight: 800; text-decoration: none; box-shadow: 0 14px 36px rgba(38, 215, 242, 0.2); transition: transform 180ms ease, box-shadow 180ms ease; }
.primary-cta:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(38, 215, 242, 0.32); }
.primary-cta i { font-size: 20px; transition: transform 180ms ease; }
.primary-cta:hover i { transform: translateX(3px); }
.hero-next { position: absolute; z-index: 3; right: 28px; bottom: 28px; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(255, 255, 255, 0.34); border-radius: 50%; color: var(--white); text-decoration: none; backdrop-filter: blur(12px); }

.features { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 100px 0 118px; }
.section-heading { max-width: 720px; margin-bottom: 72px; }
.section-heading p,
.beta-callout > p { margin: 0 0 10px; color: #17617b; font-size: var(--small); font-weight: 800; text-transform: uppercase; }
.section-heading h2,
.beta-callout h2 { margin: 0; font-size: var(--display); line-height: 1.02; letter-spacing: 0; }
.feature-row { display: grid; grid-template-columns: minmax(220px, .36fr) minmax(0, 1fr); align-items: center; gap: clamp(34px, 7vw, 92px); margin: 0 0 90px; }
.feature-row.reverse { grid-template-columns: minmax(0, 1fr) minmax(220px, .36fr); }
.feature-row.reverse .feature-copy { order: 2; }
.feature-row.reverse figure { order: 1; }
.feature-copy { max-width: 340px; }
.feature-number { color: #17617b; font-size: var(--small); font-weight: 800; }
.feature-copy h3 { margin: 10px 0; font-size: var(--display); line-height: 1.05; }
.feature-copy p { margin: 0; color: #536471; }
.feature-row figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #0a1724; box-shadow: 0 28px 70px rgba(7, 18, 30, 0.14); transition: transform 280ms cubic-bezier(.2,.8,.2,1), box-shadow 280ms ease; }
.feature-row figure:hover { transform: perspective(1100px) rotateX(1.5deg) rotateY(-1.5deg) translateY(-5px); box-shadow: 0 36px 86px rgba(7, 18, 30, 0.21); }
.feature-row.reverse figure:hover { transform: perspective(1100px) rotateX(1.5deg) rotateY(1.5deg) translateY(-5px); }
.feature-row figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

.beta-callout { display: grid; min-height: 500px; place-content: center; padding: 80px 24px; background: var(--coral); color: var(--ink); text-align: center; }
.beta-callout > p { color: var(--ink); }
.beta-callout h2 { max-width: 940px; font-size: var(--display); }
.beta-callout > span { max-width: 620px; margin: 22px auto 28px; }
.primary-cta.light { margin: 0 auto; background: var(--ink); color: var(--white); box-shadow: none; }
footer { display: flex; min-height: 110px; align-items: center; justify-content: space-between; gap: 20px; padding: 24px max(24px, calc((100% - 1120px) / 2)); background: var(--ink); color: rgba(255, 255, 255, 0.7); font-size: var(--small); }

@keyframes hero-settle { from { opacity: .4; transform: scale(1.06); } to { opacity: 1; transform: scale(1.015); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }

@media (max-width: 760px) {
  .landing-nav { top: 10px; width: calc(100% - 20px); }
  .hero { min-height: 760px; }
  :root { --display: 42px; }
  .hero-content { width: calc(100% - 32px); padding-bottom: 72px; }
  .hero-next { display: none; }
  .features { width: calc(100% - 32px); padding: 74px 0; }
  .section-heading { margin-bottom: 46px; }
  .feature-row,
  .feature-row.reverse { grid-template-columns: 1fr; gap: 24px; margin-bottom: 64px; }
  .feature-row.reverse .feature-copy,
  .feature-row.reverse figure { order: initial; }
  .feature-copy { max-width: 520px; }
  .feature-row figure { border-radius: 20px; }
  footer { align-items: flex-start; flex-direction: column; }
}
