* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    color: #334155;
    line-height: 1.6;
    padding-bottom: 70px; /* Space for mobile bottom nav */
}

@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.btn-primary {
    background: var(--primary);
    border: none;
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transform: translateY(-5px);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Section spacing */
section {
    padding: 4rem 0;
}

@media (max-width: 767px) {
    section {
        padding: 2rem 0;
    }
}