:root {
    --primary-color: #0ea5e9; /* Sky 500 from Tailwind approx */
    --primary-dark: #0284c7;
    --secondary-color: #64748b;
    --text-color: #0f172a;
    --muted-color: #64748b;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: #f8fafc;
}

a {
    text-decoration: none;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.text-muted {
    color: var(--muted-color) !important;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-color);
}

.nav-link {
    color: var(--muted-color);
    font-weight: 500;
}

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

/* Hero */
.gradient-hero {
    background: linear-gradient(135deg, #e0f2fe 0%, #d1fae5 50%, #f0fdfa 100%);
    padding: 4rem 0;
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Footer */
footer {
    background-color: #0f172a;
    color: #fff;
    padding-top: 4rem;
    padding-bottom: 2rem;
}

footer h5 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

footer a {
    color: #94a3b8;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--primary-color);
}

footer .social-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    color: white;
    margin-right: 0.5rem;
}

footer .social-icon:hover {
    background-color: var(--primary-color);
    color: white;
}