* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ddfdd9;
}

.site-header,
.site-nav,
main,
.site-footer {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

main {
    background: rgba(255, 255, 255, 0.5);
}

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

.site-header h1 {
    margin-bottom: 5px;
}

.subtitle {
    font-size: 1.1rem;
    color: #555;
}

.site-nav ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav a {
    text-decoration: none;
    font-weight: bold;
    color: #2c3e50;
}

.site-nav a:hover {
    text-decoration: underline;
}

.section {
    margin-bottom: 50px;
}

.section h2 {
    border-bottom: 2px solid #000;
    padding-bottom: 5px;
    margin-bottom: 20px;
}


.lead {
    font-size: 1.15rem;
}

.features {
    list-style: square;
    padding-left: 20px;
}

.features li {
    margin-bottom: 15px;
}


.main-image {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}

.offer-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 30px 0;
    border-bottom: 2px solid #000;
}

.offer-item:last-child {
    border-bottom: none;
}

.offer-item img {
    width: 100%;
    border-radius: 5px;
}


address {
    font-style: normal;
}

address a {
    color: #2c3e50;
    font-weight: bold;
    text-decoration: none;
}

address a:hover {
    text-decoration: underline;
}

.site-footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    margin-top: 50px;
}

.site-footer a {
    color: #fff;
    text-decoration: none;
}
.section > h2 {
    text-align: center;
}

@media (max-width: 768px) {
    .offer-item {
        grid-template-columns: 1fr;
    }

    .site-nav ul {
        flex-direction: column;
        align-items: center;
    }
}