/* Modern Color Palette */
:root {
    --primary-color: #4f46e5; /* Indigo 600 */
    --secondary-color: #818cf8; /* Indigo 400 */
    --accent-color: #f43f5e; /* Rose 500 */
    --dark-bg: #1f2937; /* Gray 800 */
    --light-bg: #f3f4f6; /* Gray 100 */
    --text-color: #111827; /* Gray 900 */
    --text-light: #6b7280; /* Gray 500 */
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    background-color: var(--white);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
}

.btn-primary:hover {
    background-color: #4338ca; /* Indigo 700 */
    border-color: #4338ca;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 0.5rem;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 2rem 0;
    margin-top: auto;
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

.section-title {
    position: relative;
    margin-bottom: 2rem;
    font-weight: 800;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 50px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}