:root {
  --bg: #0a0f14;
  --surface: #111820;
  --surface-2: #151f29;
  --surface-3: #0d141b;
  --text: #f2f6f8;
  --muted: #9aacbb;
  --line: #24313d;
  --accent: #69e0ae;
  --accent-strong: #43c991;
  --accent-soft: rgba(105, 224, 174, 0.10);
  --warning: #e9bd66;
  --container: 1180px;
  --radius: 18px;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(105,224,174,.08), transparent 30rem),
    linear-gradient(180deg, #0a0f14 0%, #0b1117 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10,15,20,.82);
  border-bottom: 1px solid rgba(255,255,255,.05);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--accent);
  color: #07110d;
  font-size: 14px;
  letter-spacing: -.03em;
}

.brand-text { font-size: 17px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text) !important;
}

.section { padding: 104px 0; }

.hero { padding-top: 88px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 84px);
  line-height: .96;
  letter-spacing: -.055em;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 800;
}

.button-primary {
  background: var(--accent);
  color: #07110d;
}

.button-primary:hover { background: var(--accent-strong); }

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.trust-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  color: #778a9b;
  font-size: 12px;
}

.product-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.025), transparent),
    var(--surface);
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.label, .section-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.product-card h2 {
  margin: 7px 0 3px;
  font-size: 27px;
  letter-spacing: -.03em;
}

.product-card-top p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.verified {
  align-self: start;
  padding: 7px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.fault-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0 4px;
}

.fault-code {
  padding: 5px 8px;
  border: 1px solid #334454;
  border-radius: 7px;
  background: var(--surface-3);
  color: #c4d0d9;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.case-section {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.case-section:last-child { border-bottom: 0; }

.case-section p {
  margin: 7px 0 0;
  color: #c9d4dd;
  font-size: 13px;
  line-height: 1.6;
}

.case-section.success {
  margin-top: 4px;
  padding: 16px;
  border: 1px solid rgba(105,224,174,.18);
  border-radius: 12px;
  background: var(--accent-soft);
}

.case-section.success .section-label { color: var(--accent); }

.subdued {
  border-block: 1px solid rgba(255,255,255,.04);
  background: rgba(255,255,255,.018);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 48px;
}

.section-heading h2,
.split h2,
.early-card h2 {
  margin: 9px 0 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.06;
  letter-spacing: -.045em;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.step-number {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.step h3,
.feature h3 {
  margin-bottom: 9px;
  font-size: 18px;
}

.step p,
.feature p,
.early-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 15px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.feature-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.early-access { padding-top: 56px; }

.early-card {
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: 64px;
  align-items: center;
  padding: 44px;
  border: 1px solid rgba(105,224,174,.22);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 0%, rgba(105,224,174,.08), transparent 24rem),
    var(--surface);
}

.early-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-3);
}

.early-status {
  margin-bottom: 14px !important;
  color: var(--text) !important;
  font-weight: 700;
}

.full { width: 100%; }

.early-box small {
  display: block;
  margin-top: 12px;
  color: #718493;
  line-height: 1.45;
}

footer {
  padding: 26px 0 38px;
  color: #718493;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.footer-brand { color: var(--text); }

.footer-inner p {
  margin: 0;
  font-size: 12px;
}

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .early-card {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .steps-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-cta) { display: none; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 24px, var(--container)); }
  .section { padding: 72px 0; }
  .hero { padding-top: 54px; }
  h1 { font-size: 48px; }
  .product-card { padding: 18px; }
  .early-card { padding: 24px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}