:root {
  color-scheme: dark;
  --bg: #030713;
  --bg-soft: rgba(9, 12, 26, 0.92);
  --surface: rgba(12, 17, 34, 0.88);
  --surface-strong: rgba(10, 14, 28, 0.96);
  --border: rgba(148, 163, 184, 0.16);
  --text: #e2e8f0;
  --muted: #94a3af;
  --primary: #38bdf8;
  --accent: #8b5cf6;
  --success: #22c55e;
  --warning: #f59e0b;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.32);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 20%),
              radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.10), transparent 18%),
              linear-gradient(180deg, #020616 0%, #060b18 100%);
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 18%, rgba(56, 189, 248, 0.14), transparent 14%),
              radial-gradient(circle at 80% 72%, rgba(139, 92, 246, 0.10), transparent 14%);
}
img, svg {
  max-width: 100%;
  height: auto;
}
a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button, .button {
  border: none;
  outline: none;
  border-radius: 18px;
  padding: 1rem 1.6rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}
button:hover, .button:hover {
  transform: translateY(-1px);
}
.button.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 18px 38px rgba(56, 189, 248, 0.24);
}
.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(2, 6, 20, 0.90);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.brand {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.topbar nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-wrap {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
  position: relative;
  z-index: 1;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.9fr);
  gap: 2rem;
  padding: 2.2rem;
  border-radius: 32px;
  background: rgba(10, 15, 31, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: var(--shadow);
}
.hero-copy {
  display: grid;
  gap: 1.2rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.hero-copy h1 {
  font-size: clamp(2.6rem, 4vw, 3.8rem);
  line-height: 1.02;
  margin: 0;
}
.hero-copy p {
  max-width: 680px;
  line-height: 1.85;
  color: var(--muted);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.panel {
  background: rgba(9, 12, 27, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.preview-card {
  display: grid;
  gap: 1.5rem;
}
.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.6rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #dbeafe;
  background: rgba(56, 189, 248, 0.15);
}
.preview-title {
  font-weight: 800;
  font-size: 1.05rem;
  color: #fff;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.mini-card {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.mini-card strong {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
}
.mini-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.section {
  margin-top: 2rem;
  display: grid;
  gap: 1.4rem;
}
.feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card {
  padding: 1.8rem;
  border-radius: 28px;
  background: rgba(10, 14, 28, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}
.card h2 {
  margin-top: 0;
}
.card p {
  color: var(--muted);
  line-height: 1.75;
}
.callout {
  padding: 1.8rem;
  display: grid;
  gap: 1rem;
}
.callout h2 {
  margin: 0;
}
.callout p {
  color: var(--muted);
}
.form-card {
  max-width: 540px;
  margin: 0 auto;
  padding: 2rem;
  border-radius: 28px;
  background: rgba(9, 13, 28, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}
.form-card h1 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 2rem;
}
.input-group {
  display: grid;
  gap: 0.95rem;
  margin: 1.25rem 0 1.5rem;
}
.input-group label {
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.88rem;
}
input {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  color: #e5e7eb;
  padding: 1rem 1.1rem;
  font-size: 1rem;
}
input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.09);
}
.message {
  display: none;
  padding: 1rem 1.2rem;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.08);
  color: #dbeafe;
  line-height: 1.6;
}
.message.show {
  display: block;
}
.subtitle {
  color: var(--muted);
  line-height: 1.8;
}
.footer-note {
  color: var(--muted);
  font-size: 0.95rem;
}
section + section {
  margin-top: 3rem;
}
footer {
  text-align: center;
  color: var(--muted);
  padding: 2.5rem 0 1rem;
}
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .page-wrap { padding: 1.25rem 0 3rem; }
  .topbar { flex-direction: column; align-items: stretch; }
  .actions { flex-direction: column; align-items: stretch; }
  .preview-card { gap: 1rem; }
}