@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;900&display=swap');

:root {
    --primary-color: #5A67D8;
    --secondary-color: #38B2AC;
    --text-color: #2D3748;
    --bg-gradient-start: #f5f7fa;
    --bg-gradient-end: #c3cfe2;
    --card-bg: rgba(255, 255, 255, 0.6);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --card-border: rgba(255, 255, 255, 0.18);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-color);
    min-height: 100vh;
}

.navbar-sticky {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,.1);
    transition: background 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.navbar-sticky.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.brand-logo {
    font-weight: 900;
    font-size: 1.75rem;
    color: var(--primary-color);
}

.hero-section {
    padding: 6rem 0;
}

.hero-title {
    font-weight: 900;
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4A5568;
}

.search-bar-wrapper {
    position: relative;
    max-width: 600px;
    margin: 2rem auto;
}

.search-input {
    border-radius: 50px;
    border: 1px solid #E2E8F0;
    padding: 1rem 2rem 1rem 3.5rem;
    font-size: 1.1rem;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.search-input:focus {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: #A0AEC0;
}

.category-card {
    background: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease-in-out;
    text-decoration: none;
    color: var(--text-color);
    overflow: hidden;
    position: relative;
}

.category-card:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 60%);
    transform: scale(0);
    transition: transform 0.5s ease;
}


.category-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 16px 40px rgba(31, 38, 135, 0.15);
}

.category-card:hover:before {
    transform: scale(1);
}

.category-card .card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.category-card:hover .card-icon {
    color: var(--secondary-color);
}

.card-title {
    font-weight: 700;
    font-size: 1.25rem;
}

.footer {
    background: transparent;
    border-top: 1px solid rgba(0,0,0,.05);
}