:root {
  --bg: #0a0c10;
  --panel: #0f131b;
  --panel-2: #121826;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --primary: #22d3ee;
  --primary-2: #0ea5b7;
  --accent: #a78bfa;
  --danger: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(
      1200px 600px at 10% -10%,
      rgba(34, 211, 238, 0.12),
      transparent 60%
    ),
    radial-gradient(
      1200px 600px at 90% -10%,
      rgba(167, 139, 250, 0.1),
      transparent 60%
    ),
    linear-gradient(180deg, #0a0c10 0%, #0b0f16 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Arial, sans-serif;
  line-height: 1.6;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 12, 16, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}
.logo img {
  height: 28px;
  width: auto;
  border-radius: 6px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-links a {
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
}
.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}
.header-ctas {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #001018;
  box-shadow: 0 8px 20px rgba(34, 211, 238, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.05);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}
.burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}
.burger span {
  height: 2px;
  width: 20px;
  background: #fff;
  border-radius: 2px;
  margin: 0 auto;
}

/* Mobile fullscreen menu */
.nav-close {
  display: none;
}
.nav-backdrop {
  display: none;
}
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .burger {
    display: flex;
  }
  .nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    width: 100%;
    background: rgba(12, 14, 20, 0.98);
    padding: 84px 20px 20px;
    gap: 8px;
    top: 0;
    left: 0;
  }
  .nav-open .nav-links a {
    padding: 14px 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
  }
  .nav-open .menu-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: rgba(10, 12, 16, 0.9);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
  }
  .menu-top .top-start {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .menu-top .top-actions {
    display: flex;
    gap: 10px;
  }
  .nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
  }
  .nav-open .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }
}

/* Hero */
.hero {
  padding: 64px 0 40px;
}
.hero-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}
.hero h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 12px;
}
.hero p {
  color: var(--muted);
  margin: 0 0 16px;
}
.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-media {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-media img {
  width: 100%;
  height: auto;
}

/* Sections */
.section {
  padding: 48px 0;
}
.section h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
}
.section p {
  color: var(--muted);
  margin: 0 0 6px;
}

/* Grids + cards */
.grid {
  display: grid;
  gap: 14px;
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.card h3 {
  font-size: 15px;
  margin: 0 0 6px;
}
.card p,
.card li {
  color: var(--muted);
}
.card ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

/* FAQ */
.faq {
  display: grid;
  gap: 10px;
}
.faq details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
}
.faq p {
  margin: 8px 0 0;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
}
.footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 10px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-wrap {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 22px;
  }
  .section h2 {
    font-size: 18px;
  }
  .footer .wrap {
    flex-direction: column;
  }
}