:root {
  --bg: #0b0c10;
  --panel: #11131a;
  --panel-2: #161a22;
  --border: #2a2f3a;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --muted-2: #d1d1d6;
  --blue: #0a84ff;
  --green: #30d158;
  --orange: #ff9f0a;
  --red: #ff453a;
  --purple: #bf5af2;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(10, 132, 255, 0.16), transparent 34rem),
    radial-gradient(circle at top right, rgba(191, 90, 242, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(11, 12, 16, 0.78);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted-2);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.nav-cta {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 2rem;
  align-items: center;
  min-height: 72vh;
}

.eyebrow {
  color: var(--green);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  margin: 1rem 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  margin: 0 0 1rem;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  margin: 0 0 0.5rem;
}

p {
  color: var(--muted-2);
  font-size: 1.05rem;
  line-height: 1.65;
}

.hero p {
  font-size: 1.2rem;
  max-width: 760px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  padding: 0.85rem 1.1rem;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid var(--border);
}

.button.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.hero-card {
  min-height: 340px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
}

.metric .value {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.metric .label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted-2);
  background: rgba(255, 255, 255, 0.035);
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}

.dashboard-header {
  padding-bottom: 1rem;
}

.app-frame {
  width: 100%;
  height: min(92vh, 980px);
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  overflow: hidden;
  background: var(--panel-2);
  box-shadow: var(--shadow);
}

.app-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.notice {
  border-left: 4px solid var(--blue);
  background: rgba(10, 132, 255, 0.08);
  padding: 1rem;
  border-radius: 0.8rem;
  color: var(--muted-2);
}

.post-list {
  display: grid;
  gap: 1rem;
}

.post-link {
  display: block;
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.site-footer .container {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

@media (max-width: 850px) {
  .hero,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .container {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }

  .app-frame {
    height: 760px;
  }
}