:root {
  color-scheme: dark;
  --ink: #f4fbf8;
  --muted: #91a29d;
  --line: rgba(83, 255, 182, 0.18);
  --panel: rgba(8, 30, 26, 0.72);
  --green: #35f0a2;
  --green-2: #65ffd2;
  --black: #020b09;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(30, 191, 128, 0.15), transparent 34rem),
    radial-gradient(circle at 90% 30%, rgba(16, 116, 92, 0.12), transparent 28rem),
    var(--black);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(2, 11, 9, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(100,255,204,.36);
  border-radius: 11px;
  color: #00150f;
  background: linear-gradient(135deg, var(--green-2), var(--green));
  box-shadow: 0 8px 30px rgba(53,240,162,.16);
  font-weight: 950;
  letter-spacing: -0.12em;
}

.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: #b7c5c1; text-decoration: none; font-size: .94rem; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--green); }

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(310px, .82fr);
  align-items: center;
  gap: clamp(44px, 7vw, 92px);
  padding: 90px 0 100px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  color: var(--green);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--green); }

h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.05em; }
h1 { max-width: 760px; font-size: clamp(3.5rem, 8.5vw, 7.4rem); font-weight: 900; }
h2 { font-size: clamp(2.2rem, 5vw, 4.4rem); font-weight: 870; }
h3 { font-size: 1.35rem; font-weight: 790; }

.gradient-word {
  color: transparent;
  background: linear-gradient(90deg, var(--green-2), var(--green));
  background-clip: text;
  -webkit-background-clip: text;
}

.lede { max-width: 650px; margin: 28px 0 0; color: #a6b7b2; font-size: clamp(1.1rem, 2vw, 1.34rem); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.button {
  min-height: 52px;
  padding: 13px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  border: 1px solid rgba(255,255,255,.12);
  text-decoration: none;
  font-weight: 780;
}

.button-primary { color: #00150f; background: linear-gradient(135deg, var(--green-2), var(--green)); border-color: transparent; }
.button-secondary { color: #dce7e3; background: rgba(255,255,255,.035); }
.button:hover { transform: translateY(-1px); }

.product-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 480px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: linear-gradient(155deg, rgba(13,48,40,.92), rgba(3,19,15,.94));
  box-shadow: 0 38px 100px rgba(0,0,0,.42);
}

.product-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -35% 10%;
  height: 70%;
  background: radial-gradient(circle, rgba(53,240,162,.2), transparent 64%);
}

.product-top { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; }
.product-icon { width: 76px; height: 76px; border-radius: 20px; font-size: 2.1rem; }
.beta { color: var(--green); font-size: .74rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.product-card h3 { position: relative; z-index: 1; margin-top: clamp(48px, 8vw, 84px); font-size: clamp(2.2rem, 4vw, 3.7rem); }
.product-card p { position: relative; z-index: 1; max-width: 330px; margin: 20px 0 0; color: #9bb0aa; font-size: 1.05rem; }
.metric-row { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: auto; padding-top: 32px; }
.metric { padding: 14px 10px; border: 1px solid rgba(255,255,255,.07); border-radius: 16px; background: rgba(0,0,0,.18); }
.metric strong { display: block; color: var(--green); font-size: 1.05rem; }
.metric span { color: #82938e; font-size: .72rem; }

.section { padding: 100px 0; border-top: 1px solid rgba(255,255,255,.07); }
.section-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: end; }
.section-intro p { margin: 0; color: #9fb0ab; font-size: 1.12rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 56px; }
.feature { min-height: 230px; padding: 28px; border: 1px solid rgba(255,255,255,.08); border-radius: 24px; background: var(--panel); }
.feature-number { color: var(--green); font-size: .78rem; font-weight: 850; letter-spacing: .12em; }
.feature h3 { margin-top: 34px; }
.feature p { margin: 14px 0 0; color: var(--muted); }

.manifesto { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.manifesto-copy, .manifesto-quote { padding: clamp(30px, 5vw, 62px); border-radius: 30px; }
.manifesto-copy { border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.025); }
.manifesto-copy p { color: #a1b1ad; margin: 24px 0 0; }
.manifesto-quote { display: flex; align-items: flex-end; min-height: 360px; color: #00140e; background: linear-gradient(145deg, var(--green-2), #24db8f); }
.manifesto-quote p { margin: 0; font-size: clamp(2rem,4vw,3.5rem); line-height: 1.05; letter-spacing: -.05em; font-weight: 900; }

.legal-page { padding: 86px 0 110px; }
.legal-wrap { max-width: 820px; }
.legal-wrap h1 { font-size: clamp(3rem, 7vw, 5.8rem); }
.legal-meta { margin: 18px 0 50px; color: var(--green); font-size: .9rem; font-weight: 750; }
.legal-wrap h2 { margin-top: 46px; font-size: 1.55rem; letter-spacing: -.025em; }
.legal-wrap p, .legal-wrap li { color: #a6b4b0; }
.legal-wrap ul { padding-left: 22px; }
.legal-wrap a { color: var(--green); }
.callout { margin-top: 36px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }

.support-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-top: 46px; }
.support-card { padding: 26px; border: 1px solid rgba(255,255,255,.08); border-radius: 22px; background: var(--panel); }
.support-card p { margin-bottom: 0; }

.site-footer { padding: 44px 0 54px; border-top: 1px solid rgba(255,255,255,.07); color: #71817c; font-size: .86rem; }
.footer-row { display: flex; justify-content: space-between; gap: 28px; align-items: flex-start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { color: #9dafaa; text-decoration: none; }

@media (max-width: 820px) {
  .nav { min-height: 66px; }
  .nav-links a:not(.keep) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 72px 0 82px; }
  .product-card { min-height: 430px; }
  .section, .legal-page { padding: 72px 0; }
  .section-intro, .manifesto { grid-template-columns: 1fr; gap: 30px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: auto; }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  h1 { font-size: clamp(3rem, 17vw, 4.6rem); }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .product-card { border-radius: 28px; }
  .metric-row { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}