:root {
  --deep-green: #0f3724;
  --accent: #2e7b4f;
  --sunset: #f68b1f;
  --muted: #6b7280;
  --bg: #f3f4f6;
  --panel: #ffffff;
  --shadow: 0 20px 40px rgba(15, 55, 36, 0.08);
}

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

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: #111827;
}

.hero {
  background: linear-gradient(120deg, var(--deep-green), var(--accent));
  color: #fff;
  padding: 2.5rem 1.5rem;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: #bae6fd;
  margin-bottom: 0.2rem;
}

.btn {
  background: var(--sunset);
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}

.btn.primary {
  width: 100%;
  background: var(--deep-green);
}

main {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem 2.5rem;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
}

.panel {
  background: var(--panel);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: auto 1fr 120px auto;
  gap: 0.9rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  background: #f9fafb;
  border: 1px solid rgba(15, 55, 36, 0.1);
  contain: layout style;
}

.cart-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 12px;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cart-item .price {
  font-weight: 700;
  color: var(--deep-green);
}

.cart-item .sku {
  font-size: 0.8rem;
  color: var(--muted);
}

.qty-control {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #fff;
  border: 1px solid rgba(15, 55, 36, 0.12);
  border-radius: 12px;
  padding: 0.4rem 0.6rem;
}

.qty-btn {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  border: 1px solid rgba(15, 55, 36, 0.2);
  background: #f9fafb;
  cursor: pointer;
  font-weight: 700;
  color: var(--deep-green);
}

.qty-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.qty-value {
  min-width: 24px;
  text-align: center;
  font-weight: 600;
}

.qty-unit {
  font-size: 0.9rem;
  color: var(--muted);
}

.cart-item button[data-remove] {
  background: transparent;
  border: none;
  color: var(--sunset);
  font-weight: 600;
  cursor: pointer;
}

.cart-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
}

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

.checkout-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.checkout-form input,
.checkout-form textarea,
.checkout-form select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(15, 55, 36, 0.2);
  resize: vertical;
}

.checkout-form .full-width {
  grid-column: 1 / -1;
}

.status {
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  min-height: 1.2rem;
}

.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .btn.ghost {
    color: #fff;
  }

  .cart-item {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .qty-control {
    width: fit-content;
  }
}