:root {
  --red: #e10600;
  --red-dark: #9a0400;
  --red-soft: #fff0f0;
  --violet: #5b21b6;
  --violet-soft: #f3eeff;
  --text: #241417;
  --muted: #8a7275;
  --border: #ece2e2;
  --font: "Inter", system-ui, sans-serif;
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  background: #faf9f9;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(225, 6, 0, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(91, 33, 182, 0.08), transparent 50%);
  z-index: 0;
}

.hub {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.75rem 1.1rem 2.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hub__hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hub__eyebrow {
  font-size: clamp(1.35rem, 4.5vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--red);
  margin-bottom: 1rem;
  line-height: 1.25;
  text-transform: uppercase;
}

.hub__hero h1 {
  font-size: clamp(1.35rem, 4.5vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}

.hub__hero h1 span { color: var(--red); }

.hub__lead {
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 42ch;
  margin: 0 auto;
}

.hub__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  flex: 1;
  align-content: center;
}

.hub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.25rem 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #fff;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
  box-shadow: 0 4px 24px rgba(36, 20, 23, 0.05);
}

.hub-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(36, 20, 23, 0.12);
}

.hub-card--manuals:hover { border-color: rgba(225, 6, 0, 0.35); }
.hub-card--videos:hover { border-color: rgba(91, 33, 182, 0.35); }

.hub-card__glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.hub-card--manuals .hub-card__glow { background: radial-gradient(circle, rgba(225, 6, 0, 0.15), transparent 70%); }
.hub-card--videos .hub-card__glow { background: radial-gradient(circle, rgba(91, 33, 182, 0.15), transparent 70%); }

.hub-card:hover .hub-card__glow { opacity: 1; }

.hub-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 14px;
  margin-bottom: 1rem;
}

.hub-card--manuals .hub-card__icon {
  background: linear-gradient(135deg, var(--red-soft), #fff);
  color: var(--red);
}

.hub-card--videos .hub-card__icon {
  background: linear-gradient(135deg, var(--violet-soft), #fff);
  color: var(--violet);
}

.hub-card__badge {
  align-self: flex-start;
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
}

.hub-card--manuals .hub-card__badge { background: var(--red-soft); color: var(--red-dark); }
.hub-card--videos .hub-card__badge { background: var(--violet-soft); color: var(--violet); }

.hub-card__title {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.hub-card__desc {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
  flex: 1;
}

.hub-card__features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.hub-card__features li {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: #f5f3f3;
  color: var(--muted);
}

.hub-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 800;
  margin-top: auto;
}

.hub-card--manuals .hub-card__cta { color: var(--red); }
.hub-card--videos .hub-card__cta { color: var(--violet); }

.hub-card__cta span {
  transition: transform 0.2s;
}

.hub-card:hover .hub-card__cta span { transform: translateX(4px); }

.hub__foot {
  text-align: center;
  margin-top: 2rem;
}

.hub__sites {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
}

.hub__sites a {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  transition: color 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.hub__sites a:hover {
  color: var(--red);
  border-color: rgba(225, 6, 0, 0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(225, 6, 0, 0.08);
}

.hub__citidata {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--red);
  text-decoration: none;
  padding: 0.35rem 0.2rem;
  transition: color 0.15s, opacity 0.15s;
}

.hub__citidata:hover {
  color: var(--red-dark);
  opacity: 0.9;
}

@media (max-width: 720px) {
  .hub__cards { grid-template-columns: 1fr; }
  .hub__hero h1 { max-width: none; }
}