:root {
  --bg: #0b1220;
  --bg-alt: #0f172a;
  --card: #111d33;
  --border: rgba(148, 163, 184, 0.14);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --accent-3: #f59e0b;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  scroll-behavior: smooth;
}

#graph-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
  background: radial-gradient(circle at 50% -10%, #132038 0%, var(--bg) 60%);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.logo-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}
.logo-dot--a { background: var(--accent); }
.logo-dot--b { background: var(--accent-2); margin-left: -3px; }
.logo-dot--c { background: var(--accent-3); margin-left: -3px; }

.brand-name {
  margin-left: 8px;
  color: var(--text);
}
.brand-tld {
  color: var(--muted);
  font-weight: 500;
}

.topnav {
  display: flex;
  gap: 24px;
}
.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s ease;
}
.topnav a:hover {
  color: var(--text);
}

.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

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

.lead {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.waitlist {
  display: flex;
  gap: 10px;
  max-width: 440px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.waitlist input[type="email"] {
  flex: 1 1 240px;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}
.waitlist input[type="email"]:focus {
  border-color: var(--accent);
}

.waitlist button {
  padding: 13px 20px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04121f;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.waitlist button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25);
}
.waitlist button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.waitlist-status {
  min-height: 20px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--accent-2);
}
.waitlist-status.error {
  color: #f87171;
}

.section {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.section > p {
  color: var(--muted);
  line-height: 1.7;
  max-width: 760px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 17px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.feature-ico {
  font-size: 22px;
}
.feature h3 {
  font-size: 15px;
  margin: 10px 0 8px;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}

.roadmap {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.roadmap li {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 16px 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.roadmap .phase {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.footer {
  text-align: center;
  padding-top: 40px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .topnav { display: none; }
}