:root {
  --starhub-green: #00b140;
  --starhub-green-dark: #008f34;
  --bg: #f4fbf6;
  --text: #153226;
  --muted: #587569;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(130deg, var(--starhub-green), var(--starhub-green-dark));
  color: #fff;
  padding: 56px 0;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  opacity: 0.9;
}

h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.subtitle {
  margin: 0;
  max-width: 700px;
  opacity: 0.95;
}

.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 22px;
}

.tab {
  border: 1px solid #b7ddc3;
  background: #fff;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  border-color: var(--starhub-green);
  background: #ddf8e7;
  color: #0f4d2b;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 18px;
  border: 1px solid #d9ecdf;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  min-height: 72px;
}

.price {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 10px 0 14px;
}

.buy-btn {
  width: 100%;
  border: none;
  background: var(--starhub-green);
  color: #fff;
  font-weight: 700;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
}

.buy-btn:hover {
  background: var(--starhub-green-dark);
}

.placeholder {
  background: #fff;
  border: 1px dashed #bfdac8;
  border-radius: 12px;
  padding: 20px;
  color: var(--muted);
}