:root {
  --bg: #0b0d12;
  --bg-soft: #12151c;
  --text: #eef0f5;
  --muted: #9aa2b1;
  --accent: #6c5ce7;
  --accent-2: #00d4b5;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: -20% -20% auto -20%;
  height: 60vh;
  background: radial-gradient(circle at 30% 20%, rgba(108, 92, 231, 0.35), transparent 60%),
              radial-gradient(circle at 80% 10%, rgba(0, 212, 181, 0.25), transparent 55%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 13, 18, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
}

.subtitle code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8e6cf0);
  color: white;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

section h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
  text-align: center;
}

.features {
  padding: 48px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card code {
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 0.9em;
}

.about, .contact {
  padding: 48px 0;
  text-align: center;
}

.about p, .contact p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

.contact {
  padding-bottom: 96px;
}

.contact .btn {
  margin-top: 24px;
}

.contact-msg {
  margin-top: 16px;
  color: var(--accent-2) !important;
  font-weight: 500;
  min-height: 1.4em;
}

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}