:root {
  --color-bg: #ffffff;
  --color-text: #171717;
  --color-primary: #0052A5;
  --color-secondary: #F5A623;
  --color-muted: #f4f6f8;
  --color-border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;
  --font-sans: "Montserrat", "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius) - 4px);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover, a:focus {
  color: var(--color-secondary);
  opacity: 0.95;
}

button, .btn {
  font-family: var(--font-sans);
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
  background: #003f82;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #171717;
}

.btn-secondary:hover, .btn-secondary:focus {
  background: #d88913;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.search-bar {
  flex: 1;
  max-width: 520px;
  display: flex;
  gap: 0.5rem;
}

.search-bar input {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-muted);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 165, 0.15);
}

main {
  padding: 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  background: var(--color-muted);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, rgba(0,0,0,0.03) 0%, rgba(0,0,0,0.02) 50%, rgba(0,0,0,0.04) 100%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem 0;
}

.hero p {
  margin: 0 0 1.5rem 0;
  color: #333333;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.bento-card {
  grid-column: span 4;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(0,0,0,0.04), transparent 40%),
                    radial-gradient(circle at 80% 30%, rgba(0,0,0,0.03), transparent 45%);
  opacity: 0.5;
  pointer-events: none;
}

.bento-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.bento-card p {
  margin: 0;
  color: #2b2b2b;
}

.bento-card.wide {
  grid-column: span 8;
}

.bento-card.tall {
  grid-row: span 2;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-card h4 {
  margin: 0.75rem 0 0.5rem;
  color: var(--color-text);
}

.price {
  font-weight: 700;
  color: var(--color-primary);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: var(--color-secondary);
  color: #171717;
  font-size: 0.75rem;
  font-weight: 600;
}

.icon {
  width: 36px;
  height: 36px;
  stroke: var(--color-primary);
  fill: none;
}

footer {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

footer a {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .bento-card {
    grid-column: span 6;
  }
  .bento-card.wide {
    grid-column: span 6;
  }
}

@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-bar {
    max-width: 100%;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card, .bento-card.wide {
    grid-column: span 1;
  }
}