:root {
  --bg-dark-1: #0D0F12;
  --bg-dark-2: #15181C;
  --bg-dark-3: #1E2227;

  --surface-dark-1: #171A1F;
  --surface-dark-2: #1B1F25;

  --ink: #E6E8EB;
  --muted: #A5ABB3;
  --accent: #8FAFD6;
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

.icon-csv {
  width: 20px;
  height: 20px;
  object-fit: contain;
  vertical-align: middle;
}

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, var(--bg-dark-1), var(--bg-dark-2), var(--bg-dark-3));
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

header {
  padding: 20px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3A4A5C, #1E2A36);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
}

.kicker {
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.topnav a {
  margin-left: 16px;
  color: var(--muted);
}

.topnav a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: center;
  padding: 16px 0 8px;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 8px 0 12px;
}

.lede { color: var(--muted); }

.tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
}

.cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  background: var(--accent);
  color: #0D0F12;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
}

.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.card {
  background: linear-gradient(135deg, var(--surface-dark-1), var(--surface-dark-2));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.6);
}

.grid { display: grid; gap: 16px; margin-top: 24px; }
.grid.cols-3 { grid-template-columns: repeat(3,1fr); }
.grid.cols-2 { grid-template-columns: repeat(2,1fr); }

footer {
  opacity: .9;
  font-size: 14px;
  padding: 28px 0 8px;
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  header { flex-direction: column; align-items: flex-start; }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-dark-1: #F4F5F6;
    --bg-dark-2: #E9EBEE;
    --bg-dark-3: #DADDE1;

    --surface-dark-1: #F9FAFB;
    --surface-dark-2: #F2F3F5;

    --ink: #1A1A1A;
    --muted: #4A4A4A;
    --border: rgba(0,0,0,0.08);
  }
}