:root {
  --bg: #0b0f17;
  --bg-soft: #111827;
  --card: #0f172a;
  --text: #eaf2ff;
  --muted: #a7b3cc;
  --accent: #10c6ff;
  --accent-2: #6b5bff;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(16, 198, 255, 0.15), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(107, 91, 255, 0.2), transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 15, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b0f17;
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 48px;
}

.hero h1 {
  font-size: clamp(2.4rem, 3.5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 18px;
}

.hero-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
}

.hero-media img,
.feature-media img,
.og-media img,
.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.section {
  padding: 64px 0;
}

.section h2 {
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  margin-bottom: 16px;
}

.section p.section-lead {
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  display: grid;
  gap: 14px;
}

.feature-media {
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

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

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  cursor: pointer;
}

.blog-thumb {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 16, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  width: min(720px, 92%);
}

.modal-close {
  display: inline-flex;
  justify-content: flex-end;
  width: 100%;
  margin-bottom: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    right: 4%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: inline-flex;
  }
}