/* 1. Google Fonts & Variables */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
    --primary-color: #4f46e5;
    --secondary-color: #64748b;
    --dark-color: #0f172a;
    --light-bg: #f8fafc;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 2. Global Reset */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-color);
    line-height: 1.6;
}

/* 3. Hero Section (Modern Gradient) */
.hero {
    background: linear-gradient(135deg, #1e293b 0%, #4f46e5 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

/* 4. Professional Card Styling */
.card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: white;
    box-shadow: var(--card-shadow);
}

.card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2) !important;
}

.card-img-top {
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* 5. Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background-color: #4338ca;
}

/* 6. Typography */
h1, h2 { font-weight: 600; }

/* 7. Responsive Grid */
@media (max-width: 768px) {
    .hero { padding: 60px 20px; }
    .hero h1 { font-size: 2rem; }
}