:root {
  --bg: #0b101b;
  --bg-card: #121a2b;
  --bg-elev: #182338;
  --border: #263554;
  --text: #e8eef7;
  --muted: #98a7c2;
  --red: #e53935;
  --blue: #1e88e5;
  --cyan: #29b6f6;
  --green: #43a047;
  --amber: #ffb300;
}

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

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 15% 0%, #162442 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

header.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 27, 0.86);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #fff;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(229, 57, 53, 0.35);
}

.brand span.tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--red), var(--blue));
  color: #fff;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: #fff;
}

.hero {
  padding: 64px 0 44px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(30, 136, 229, 0.14);
  border: 1px solid rgba(41, 182, 246, 0.35);
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 18px;
}

.hero h1 .grad {
  background: linear-gradient(95deg, #ff5252 0%, #42a5f5 55%, #80d8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.subtitle {
  max-width: 780px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.08rem;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  text-align: left;
}

.kpi-card .num {
  font-size: 1.65rem;
  font-weight: 800;
  color: #fff;
}

.kpi-card .lbl {
  font-size: 0.84rem;
  color: var(--muted);
  margin-top: 4px;
}

.showcase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 56px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-btn {
  background: var(--bg-elev);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: #fff;
  border-color: var(--blue);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--red), var(--blue));
  color: #fff;
  border-color: transparent;
}

.screenshot-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #070b12;
}

.screenshot-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--muted);
  margin-bottom: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.panel h3 {
  font-size: 1.18rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

table.data-table th,
table.data-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

table.data-table th {
  color: var(--cyan);
  font-weight: 600;
  background: rgba(24, 35, 56, 0.6);
}

table.data-table td.mono {
  font-family: "JetBrains Mono", Consolas, monospace;
}

.badge-ok {
  background: rgba(67, 160, 71, 0.2);
  color: #81c784;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
}

.badge-partial {
  background: rgba(255, 179, 0, 0.18);
  color: #ffd54f;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
}

pre.code-box {
  background: #080d16;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.8rem;
  color: #a5d6ff;
  overflow-x: auto;
  max-height: 290px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
}