:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #11161d;
  --border: #30363d;
  --text: #f0f3f6;
  --muted: #8b949e;
  --muted-2: #6e7681;
  --primary: #2f81f7;
  --primary-hover: #4c95f8;
  --good: #3fb950;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 0%, rgba(47,129,247,.10), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(48,54,61,.8);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  font-weight: 900;
  letter-spacing: -.5px;
  font-size: 22px;
  white-space: nowrap;
}

.brand span { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.nav-links a {
  color: #b9c1ca;
  font-size: 14px;
}

.nav-links a:hover, .nav-links a.active { color: white; }

.nav-actions { margin-left: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 12px 17px;
  cursor: pointer;
  transition: .18s ease;
  text-decoration: none;
}

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

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  background: #21262d;
  color: white;
  border-color: var(--border);
}

.btn-secondary:hover { background: #292f36; }

.hero { padding: 96px 0 76px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  color: #79b8ff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 800;
}

h1, h2, h3 { line-height: 1.15; }

h1 {
  font-size: clamp(42px, 7vw, 76px);
  letter-spacing: -2.8px;
  margin: 10px 0 22px;
}

.lead {
  color: #aeb8c4;
  font-size: 18px;
  max-width: 720px;
}

.hero-card,
.panel,
.card,
.feature,
.status-card {
  background: linear-gradient(180deg, rgba(22,27,34,.98), rgba(16,21,29,.98));
  border: 1px solid var(--border);
  border-radius: 18px;
}

.hero-card { padding: 24px; }

.preview {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 35% 30%, rgba(47,129,247,.45), transparent 24%),
    linear-gradient(135deg, #14273b, #171629 70%);
  font-size: 74px;
  position: relative;
  overflow: hidden;
}

.preview::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
}

.preview-label {
  position: absolute;
  z-index: 2;
  left: 18px;
  right: 18px;
  bottom: 16px;
  font-size: 14px;
  color: #dbe6f2;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

section { padding: 62px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 26px;
}

.section-title {
  margin: 0 0 7px;
  font-size: 31px;
  letter-spacing: -.7px;
}

.section-subtitle { color: var(--muted); margin: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card { overflow: hidden; transition: .18s ease; }
.card:hover { transform: translateY(-4px); border-color: #4a5563; }

.thumb {
  height: 190px;
  display: grid;
  place-items: center;
  font-size: 54px;
  background: linear-gradient(135deg, #15314d, #27205b);
}

.card-body { padding: 18px; }

.card h3 { margin: 0 0 7px; }
.card p { color: var(--muted); margin: 0; }

.meta {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  color: var(--muted-2);
  font-size: 13px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}

.feature { padding: 22px; }
.feature-icon { font-size: 27px; }
.feature p { color: var(--muted); }

.panel { padding: 26px; }

.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search {
  flex: 1;
  min-width: 220px;
  background: #0d1117;
  color: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.player {
  display: none;
  margin-top: 28px;
}

.player.active { display: block; }

.player-screen {
  min-height: 390px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
  background:
    radial-gradient(circle at center, #314567, #10151d 68%);
  border: 1px solid var(--border);
}

.player-icon { font-size: 72px; }

.status-list {
  display: grid;
  gap: 14px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
}

.status-name { font-weight: 700; }
.status-note { color: var(--muted); font-size: 14px; }

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.badge-good {
  color: #8ee99a;
  background: rgba(63,185,80,.12);
  border: 1px solid rgba(63,185,80,.35);
}

.content {
  max-width: 820px;
}

.content p, .content li { color: #aeb8c4; }

.footer {
  margin-top: 56px;
  border-top: 1px solid #252b33;
  padding: 34px 0 40px;
  color: #737d89;
  font-size: 14px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer strong { color: #aeb8c4; }

.error-page {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  text-align: center;
}

.error-code {
  font-size: clamp(82px, 15vw, 150px);
  font-weight: 900;
  letter-spacing: -8px;
  color: #273243;
  margin: 0;
}

.note {
  border-left: 3px solid var(--primary);
  padding: 14px 16px;
  background: rgba(47,129,247,.08);
  border-radius: 0 10px 10px 0;
  color: #b9c8d8;
}

@media (max-width: 900px) {
  .hero-grid, .grid, .features { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero { padding-top: 58px; }
}