:root { --bg: #f9fafb; --text: #1f2937; --accent: #2563eb; --border: #e5e7eb; --nav-bg: #ffffff; }
body { background: var(--bg); color: var(--text); font-family: 'Inter', -apple-system, sans-serif; margin: 0; padding: 0; }
a { color: var(--text); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }
header { background: var(--nav-bg); padding: 15px 50px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; }
.logo { font-size: 24px; font-weight: 800; color: var(--accent); }
nav ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
nav a { font-weight: 500; }
.cart-btn { background: var(--accent); color: white; border: none; padding: 10px 20px; border-radius: 6px; font-weight: 600; cursor: pointer; }

/* Hero */
.hero { height: 60vh; background-size: cover; background-position: center; display: flex; align-items: center; margin: 20px; border-radius: 12px; overflow: hidden; position: relative; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.7), transparent); }
.hero-content { position: relative; padding: 0 50px; color: white; max-width: 600px; }
.hero-content h1 { font-size: 3.5rem; font-weight: 800; margin: 0 0 15px; line-height: 1.1; }
.hero-content p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 30px; }
.hero-btn { display: inline-block; background: var(--accent); color: white; padding: 15px 30px; border-radius: 6px; font-weight: bold; }

/* Grid */
.container { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.section-title { font-size: 2rem; font-weight: 800; margin-bottom: 40px; color: var(--text); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 30px; }
.product { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); transition: transform 0.2s; }
.product:hover { transform: translateY(-5px); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.product a { display: block; }
.product img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.product-info { padding: 20px; }
.product h2 { font-size: 1.1rem; margin: 0 0 10px; font-weight: 600; }
.product .price { font-weight: 700; color: var(--accent); font-size: 1.1rem; margin-bottom: 15px; }
.add-to-cart { width: 100%; background: #f3f4f6; color: var(--text); border: none; padding: 12px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.add-to-cart:hover { background: var(--accent); color: white; }

/* Product Page Options */
.product-single { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 1200px; margin: 40px auto; padding: 20px; background: #fff; border-radius: 12px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }
.product-single img { width: 100%; border-radius: 8px; }
.product-single-info h1 { font-size: 2rem; margin-top: 0; color: var(--text); }
.product-single-info .price { font-size: 1.5rem; font-weight: 700; color: var(--accent); margin: 15px 0; }
.category-badge { display: inline-block; background: #eff6ff; color: var(--accent); padding: 4px 10px; border-radius: 4px; font-size: 0.8rem; font-weight: bold; margin-bottom: 15px; text-transform: uppercase; }

/* Pages */
.page-content { max-width: 800px; margin: 60px auto; padding: 40px; background: #fff; border-radius: 12px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }
.page-content h1 { font-size: 2.5rem; margin-top: 0; color: var(--accent); }
input, textarea { width: 100%; box-sizing: border-box; padding: 12px; margin-bottom: 20px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; }
.submit-btn { background: var(--accent); color: white; border: none; padding: 12px 30px; border-radius: 6px; font-weight: bold; cursor: pointer; }

/* Forms & Radios */
.radio-group { padding: 15px; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; cursor: pointer; background:#f9fafb;}
.radio-group input[type="radio"] { width: auto; margin: 0; }
.cc-fields { padding: 20px; background: #f3f4f6; border-radius: 6px; margin-bottom: 20px; border: 1px solid var(--border); }

/* Footer */
footer { background: #111827; color: #9ca3af; padding: 40px 20px; text-align: center; margin-top: 40px; }