:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --accent: #f59e0b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: var(--primary-dark);
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.search-box {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 12px;
    border-radius: 99px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 12px;
}

.search-box input {
    flex: 1;
    border: none;
    padding: 0 24px;
    font-size: 16px;
    outline: none;
    background: transparent;
}

.search-box button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: 99px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.search-box button:hover {
    transform: scale(1.02);
    background: var(--primary-dark);
}

/* Categories */
.section-title {
    text-align: center;
    margin: 80px 0 40px;
    font-weight: 800;
    font-size: 32px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 100px;
}

.category-card {
    background: var(--bg-alt);
    padding: 32px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.category-card:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.category-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--primary);
}

.category-card h3 {
    margin: 0;
    font-weight: 700;
    font-size: 18px;
}

/* Features */
.features {
    background: var(--text);
    color: var(--white);
    padding: 100px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.feature-item h4 {
    color: var(--accent);
    font-size: 20px;
    margin-bottom: 16px;
}

/* Navbar */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border-bottom: 1px solid #e2e8f0;
}

.logo {
    font-weight: 800;
    font-size: 24px;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
}

.btn-primary {
    background: var(--primary);
    color: var(--white) !important;
    padding: 12px 24px;
    border-radius: 12px;
}