/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Lato:wght@400;700&display=swap');

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --surface-color: #ffffff;
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Lato', sans-serif;
    --border-radius: 0.5rem;
}

body {
    font-family: var(--body-font);
    background-color: var(--background-color);
    color: #333;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
}

.navbar {
    transition: background-color 0.3s ease-in-out;
}

.navbar-scrolled {
    background-color: var(--surface-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.hero {
    background: linear-gradient(45deg, #0d6efd, #7aaaff);
    color: white;
    padding: 8rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.section {
    padding: 4rem 0;
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
}

.about-avatar {
    width: 256px;
    height: 256px;
    border-radius: 50%;
}