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

.site-header {
    background: rgba(0,0,0,0.85);
    padding: 15px 0;
    position: sticky;
    top: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero {
    height: 80vh;
    background: url('../images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
}

.btn {
    background: #3b82f6;
    padding: 14px 28px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    display: inline-block;
    margin-top: 20px;
}

.features {
    display: flex;
    justify-content: space-around;
    text-align: center;
    padding: 60px 0;
}

.feature {
    font-size: 22px;
}