* {
    box-sizing: border-box;
}

body {
    margin: 0;

    font-family: Arial, sans-serif;

    background: #f5f5f5;

    color: #222;
}


.container {
    width: 90%;
    max-width: 1000px;

    margin: 0 auto;
}


/* Шапка */

header {
    background: #222;

    color: white;

    padding: 25px 0;
}


header .container {
    display: flex;

    justify-content: space-between;

    align-items: center;
}


header h1 {
    margin: 0;
}


nav a {
    color: white;

    text-decoration: none;

    margin-left: 20px;

    font-size: 17px;
}


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


/* Основная часть */

main {
    padding-top: 40px;

    padding-bottom: 40px;
}


.intro {
    background: white;

    padding: 30px;

    border-radius: 10px;

    margin-bottom: 30px;
}


.intro h2 {
    margin-top: 0;
}


/* Посты */

.post {
    background: white;

    padding: 30px;

    margin-bottom: 20px;

    border-radius: 10px;
}


.post h2 {
    margin-top: 0;
}


.date {
    color: #888;

    font-size: 14px;
}


/* Галерея */

.gallery {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 20px;
}


.gallery img {
    width: 100%;

    height: 250px;

    object-fit: cover;

    border-radius: 10px;

    transition: 0.2s;
}


.gallery img:hover {
    transform: scale(1.03);
}


/* Подвал */

footer {
    background: #222;

    color: white;

    text-align: center;

    padding: 20px;
}


/* Телефон */

@media (max-width: 700px) {

    header .container {
        flex-direction: column;

        gap: 15px;
    }


    .gallery {
        grid-template-columns: 1fr;
    }


    .gallery img {
        height: 300px;
    }

}