@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --primary: #111827;
    --secondary: #4b5563;
    --accent: #000000;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --radius: 8px;
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; background-color: #ffffff; color: var(--primary); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: var(--transition); }

/* Navigation */
header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(5px); z-index: 100; }
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 20px; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: -1px; }
nav a { margin: 0 15px; font-weight: 600; font-size: 15px; color: var(--secondary); }
nav a:hover { color: var(--accent); }
.nav-icons a { font-weight: 600; padding: 8px 16px; background: var(--bg-light); border-radius: 20px; }

/* Layouts */
.container { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 30px; }
.flex-split { display: flex; gap: 40px; flex-wrap: wrap; }
.col-main { flex: 2; min-width: 300px; }
.col-side { flex: 1; min-width: 250px; background: var(--bg-light); padding: 30px; border-radius: var(--radius); height: fit-content; }

/* Hero Section */
.hero { height: 60vh; background: url('https://images.unsplash.com/photo-1441984904996-e0b6ba687e04?auto=format&fit=crop&w=1600&q=80') center/cover; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; }
.hero::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.hero-content { position: relative; z-index: 1; color: white; max-width: 600px; }
.hero h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 15px; line-height: 1.1; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: white; padding: 12px 28px; font-weight: 600; border-radius: var(--radius); text-align: center; cursor: pointer; border: none; font-size: 15px; }
.btn:hover { background: #333; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: white; }
.btn-full { width: 100%; margin-top: 15px; }

/* Product Cards */
.product-card { transition: var(--transition); group: hover; }
.product-image { width: 100%; height: 350px; object-fit: cover; border-radius: var(--radius); margin-bottom: 15px; transition: var(--transition); }
.product-card:hover .product-image { transform: scale(1.03); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.product-info h3 { font-size: 16px; font-weight: 600; margin-bottom: 5px; }
.product-info p { color: var(--secondary); font-size: 14px; margin-bottom: 10px; }
.price { font-weight: 800; font-size: 16px; color: var(--primary); }

/* Forms & Tables */
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--secondary); }
input, select, textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); font-family: inherit; font-size: 15px; transition: var(--transition); }
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,0,0,0.05); }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 15px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--secondary); font-weight: 600; font-size: 14px; text-transform: uppercase; }

/* Footer */
footer { background: var(--bg-light); padding: 60px 20px 20px; border-top: 1px solid var(--border); margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; max-width: 1200px; margin: 0 auto; }
.footer-col h4 { margin-bottom: 20px; font-size: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--secondary); font-size: 14px; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--secondary); font-size: 14px; }

/* Helpers */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 40px; }
.badge { display: inline-block; padding: 4px 8px; background: #e5e7eb; border-radius: 4px; font-size: 12px; font-weight: 600; }
.badge-success { background: #d1fae5; color: #065f46; }