@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #000000;
    --secondary: #f5f5f5;
    --accent: #0077b5;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.text-center {
    text-align: center;
}

.mb-4 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2.5rem; }

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}