:root {
  --bg-main: #050711;
  --bg-elevated: #0f111a;
  --bg-elevated-soft: #161821;
  --border-soft: rgba(255, 255, 255, 0.06);
  --accent: #46c2ff;
  --accent-soft: rgba(70, 194, 255, 0.15);
  --text-main: #f5f5f7;
  --text-muted: #9ea2b4;
  --text-subtle: #777b8e;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-pill: 999px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #182036 0, #050711 52%, #020308 100%);
  color: var(--text-main);
  min-height: 100vh;
}

.page-shell {
  min-height: 100vh;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 18px 32px;
  display: flex;
  flex-direction: column;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  margin-bottom: 18px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(0, 0, 0, 0.65));
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: radial-gradient(circle at 20% 0, #46c2ff, #276bff 42%, #050711 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  color: #ffffff;
}

.brand-title {
  margin: 0;
  font-size: 20px;
}

.brand-subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.top-nav {
  display: flex;
  gap: 10px;
  font-size: 13px;
}

.top-nav a {
  text-decoration: none;
  color: var(--text-muted);
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
  transition: 0.18s ease;
}

.top-nav a:hover {
  border-color: var(--accent-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

/* Hero */

.hero {
  margin: 22px 0 18px;
  padding: 22px 20px 20px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.015), rgba(0, 0, 0, 0.75));
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.hero h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.highlight {
  color: var(--accent);
  font-weight: 500;
}

/* Sections */

.section {
  margin-top: 22px;
}

.section-header h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.section-header p {
  margin: 0;
  color: var(--text-subtle);
  font-size: 13px;
}

/* Cards Grid */

.cards-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: radial-gradient(circle at top left, rgba(70, 194, 255, 0.06), rgba(0, 0, 0, 0.9));
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(70, 194, 255, 0.45);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75);
  background: radial-gradient(circle at top left, rgba(70, 194, 255, 0.12), rgba(0, 0, 0, 0.9));
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.card-title {
  font-size: 14px;
  margin: 0;
}

.card-domain {
  font-size: 11px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.card-badge {
  padding: 3px 7px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--accent-soft);
  font-size: 10px;
  color: var(--text-muted);
}

.card-desc {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-subtle);
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #21cfa5;
  box-shadow: 0 0 0 4px rgba(33, 207, 165, 0.2);
}

/* About */

.about-box {
  margin-top: 12px;
  padding: 16px 14px;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.about-links {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent-soft);
  background: rgba(255, 255, 255, 0.01);
  color: var(--text-main);
  text-decoration: none;
  font-size: 12px;
  transition: 0.18s ease;
}

.btn-outline:hover {
  background: var(--accent-soft);
}

/* Footer */

.site-footer {
  margin-top: auto;
  padding-top: 20px;
  font-size: 11px;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-divider {
  opacity: 0.4;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Responsive */

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .top-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .page-shell {
    padding-inline: 14px;
  }
}