* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: #f2f3f5;
  color: #1a1a1a;
}

/* Hero */
.hero {
  background: #1a1a1a;
  color: #fff;
  text-align: center;
  padding: 40px 20px 26px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 2.4rem;
}

.hero p {
  margin: 0;
  color: #c9c9c9;
  font-size: 1.05rem;
}

/* Menu */
nav {
  background: #171717;
  display: flex;
  justify-content: center;
  gap: 60px;
  padding: 14px 10px;
  flex-wrap: wrap;
}

nav a {
  color: #facc15;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

nav a:hover {
  text-decoration: underline;
}

/* Nội dung chính */
main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 34px 24px 60px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
/* Thẻ sản phẩm */
.card {
  background: #ffffff;
  border: 1px solid #e6e7eb;
  border-radius: 6px;
  padding: 16px;
  text-align: left;
}

.thumb {
  aspect-ratio: 1 / 1;
  background: #f4f5f7;
  border-radius: 4px;
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.price {
  color: #8a8f98;
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.add-btn {
  width: 100%;
  background: #16a34a;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 9px 0;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.add-btn:hover {
  background: #128238;
}