:root {
  --bg: #fdfbff;
  --accent: #ff4f8b;
  --accent-soft: #ffe0ef;
  --accent-2: #4f9dff;
  --text-main: #222;
  --text-muted: #666;
  --card-bg: #ffffff;
  --border-soft: #e5e5f0;
  --radius: 12px;
  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.06);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top left, #ffe0ef, #fdfbff 40%, #e0f0ff 80%);
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 6vw;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

nav a {
  margin-left: 1.5rem;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.2s ease-out;
}

nav a:hover::after {
  width: 100%;
}

.content {
  padding: 2rem 6vw 4rem;
}

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.product-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.product-age {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.product-price {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.product-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.qty-input {
  width: 60px;
  padding: 0.3rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  text-align: center;
}

.primary-btn {
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.primary-btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.site-footer {
  padding: 1.5rem 6vw 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Cart */

.cart-items {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-soft);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-name {
  font-weight: 600;
}

.cart-item-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cart-item-qty input {
  width: 60px;
  padding: 0.3rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  text-align: center;
}

.cart-item-remove {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
}

.cart-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
}

.cart-summary .label {
  font-weight: 600;
}

/* Checkout */

.checkout-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.5fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.checkout-summary,
.checkout-form {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1rem 1.2rem;
}

.checkout-summary h2,
.checkout-form h2 {
  margin-top: 0;
}

.checkout-item {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.95rem;
}

.checkout-item:last-child {
  border-bottom: none;
}

.checkout-totals {
  margin-top: 0.8rem;
  font-size: 0.95rem;
}

.checkout-totals .total-row {
  margin-top: 0.4rem;
  font-weight: 700;
}

.checkout-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.7rem;
}

.checkout-form input {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  margin-top: 0.2rem;
}

.checkout-message {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  color: var(--accent);
}

/* Responsive */

@media (max-width: 800px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding-inline: 4vw;
  }

  .content {
    padding-inline: 4vw;
  }
}