:root {
  --bg: #081018;
  --bg-elevated: rgba(15, 26, 39, 0.78);
  --panel: rgba(13, 20, 32, 0.92);
  --line: rgba(148, 163, 184, 0.18);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #39e6c2;
  --accent-strong: #1bb79d;
  --accent-soft: rgba(57, 230, 194, 0.12);
  --max: 1160px;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(57, 230, 194, 0.12), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(59, 130, 246, 0.12), transparent 24%),
    linear-gradient(180deg, #081018 0%, #09111c 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), rgba(0,0,0,0.15));
}

.page-shell {
  position: relative;
  z-index: 1;
}

.site-header,
.section,
.site-footer {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  backdrop-filter: blur(18px);
}

.brand,
.site-nav a,
.site-footer a {
  color: var(--text);
  text-decoration: none;
}

.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a,
.site-footer a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.section {
  padding: 88px 0;
}

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-top: 18px;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.1;
}

.hero-text,
.stack p,
.card p,
.waitlist-copy p,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.hero-text {
  margin-top: 22px;
  max-width: 640px;
  font-size: 1.1rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: #06241f;
}

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

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.hero-points {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.hero-points li::before {
  content: "•";
  color: var(--accent);
  margin-right: 10px;
}

.hero-panel,
.grid {
  display: grid;
  gap: 18px;
}

.signal-card,
.card,
.waitlist-form,
.proof-bar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.signal-card,
.card {
  padding: 24px;
}

.signal-label {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-card strong {
  display: block;
  line-height: 1.4;
}

.signal-value {
  display: inline-flex;
  margin-top: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.muted {
  background: rgba(255,255,255,0.03);
}

.proof-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
}

.proof-bar div {
  padding: 22px;
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  text-align: center;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 18px;
}

.steps-grid,
.use-case-grid,
.architecture-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.step-card span {
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
}

.step-card h3,
.card h3 {
  margin-top: 14px;
  margin-bottom: 12px;
}

.emphasis-block {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(180deg, rgba(57, 230, 194, 0.08), rgba(15, 26, 39, 0.4));
}

.waitlist-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: start;
}

.waitlist-form {
  padding: 28px;
}

.waitlist-form label {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--text);
  font-weight: 600;
}

.waitlist-form input,
.waitlist-form select,
.waitlist-form textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.6);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
}

.waitlist-form input:focus,
.waitlist-form select:focus,
.waitlist-form textarea:focus {
  outline: 2px solid rgba(57, 230, 194, 0.45);
  border-color: transparent;
}

.form-status {
  min-height: 24px;
  margin-top: 14px;
  color: var(--muted);
}

.form-status.success {
  color: var(--accent);
}

.form-status.error {
  color: #fda4af;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 32px 0 56px;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .hero,
  .two-column,
  .waitlist-section,
  .steps-grid,
  .use-case-grid,
  .architecture-grid,
  .proof-bar {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 28px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }
}