:root {
  --orange: #ff8000;
  --orange-dim: #cc6600;
  --bg-dark: #0d0d0f;
  --bg-card: #18181b;
  --bg-card-hover: #1f1f23;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border: #27272a;
  --radius: 12px;
}

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

body {
  font-family:
    "DM Sans",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--orange);
}

/* Header */
header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dim));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

nav {
  display: flex;
  gap: 32px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--text-primary);
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--orange);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.badge svg {
  width: 18px;
  height: 18px;
  fill: var(--text-muted);
  stroke: var(--text-muted);
}

.badge a {
  color: var(--text-secondary);
  text-decoration: none;
}

.badge a:hover {
  color: var(--orange);
}

/* Sections */
.section {
  padding: 60px 0;
}

.section-bordered {
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 40px;
}

/* Features Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: #3f3f46;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(
    135deg,
    rgba(255, 128, 0, 0.15),
    rgba(255, 128, 0, 0.05)
  );
  border: 1px solid rgba(255, 128, 0, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Integrations */
.integration-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.integration-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 24px;
}

.integration-item img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.integration-item span {
  font-weight: 500;
}

/* Specs */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.spec-group h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.spec-group ul {
  list-style: none;
}

.spec-group li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.spec-group li:last-child {
  border-bottom: none;
}

.spec-group code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Content pages */
.page-content {
  padding: 60px 0;
  line-height: 1.7;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-content .updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.page-content .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.page-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--orange);
}

.page-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.page-content ul {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.page-content li {
  margin-bottom: 8px;
}

/* FAQ */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.faq-item p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Contact card */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-top: 40px;
}

.contact-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.contact-card a {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

footer a:hover {
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
}

.nav-toggle:hover {
  color: var(--text-primary);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

.nav-mobile a {
  display: block;
  padding: 12px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition:
    color 0.2s,
    background 0.2s;
}

.nav-mobile a:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

/* Responsive */
@media (max-width: 640px) {
  nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-mobile.open {
    display: flex;
  }

  .hero {
    padding: 50px 0 40px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .integration-list {
    flex-direction: column;
  }

  .platform-badges {
    flex-direction: column;
    align-items: center;
  }
}