:root {
  --red: #E10600;
  --ink: #1A1A1A;
  --muted: #6b6b6b;
  --bg: #ffffff;
  --surface: #f6f6f6;
  --border: #e6e6e6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f5f5f5;
    --muted: #a0a0a0;
    --bg: #0e0e10;
    --surface: #16161a;
    --border: #24242a;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; letter-spacing: 1px; }
.brand__text b { color: var(--red); font-weight: 800; letter-spacing: -0.5px; }
.brand__text { font-weight: 400; }
.nav nav { display: flex; gap: 28px; font-size: 14px; color: var(--muted); }
.nav nav a:hover { color: var(--ink); }

.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 32px 60px;
  text-align: center;
}
.hero__logo { width: min(520px, 80%); height: auto; margin-bottom: 32px; }
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin: 0 0 16px;
  line-height: 1.1;
}
.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 36px;
}
@media (prefers-color-scheme: dark) {
  .hero__logo { content: url(assets/logo-dark.svg); }
}

.btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(225,6,0,.28); }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
}
.section h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--red);
  margin: 0 0 24px;
}
.lead { font-size: 20px; max-width: 640px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--red); }
.card__tag {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--red);
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -0.5px; }
.card p { margin: 0 0 18px; color: var(--muted); font-size: 15px; }
.card__cta { font-size: 14px; color: var(--red); font-weight: 600; }
.card--placeholder { opacity: .6; }
.card--placeholder:hover { transform: none; border-color: var(--border); }

.footer {
  border-top: 1px solid var(--border);
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.footer p { margin: 6px 0; }
.footer a:hover { color: var(--red); }