/* ===========================
   Сброс
=========================== */

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

html,
body{
    height:100%;
}

body{
    min-height:100vh;
    display:flex;
    flex-direction:column;

    font-family:Arial, Helvetica, sans-serif;
    font-size:18px;
    line-height:1.6;

    color:#222;
    background:#fff;
}

img{
    display:block;
    max-width:100%;
}

a{
    color:inherit;
    text-decoration:none;
}

main{
    flex:1;
    width:100%;
    padding:30px;
}

/* ===========================
   Главная страница
=========================== */

.home-page{
    display:flex;
    justify-content:center;
    align-items:flex-start;
    min-height:100vh;
}

.home-content{
    width:100%;
    max-width:700px;
    text-align:center;
}

.logo-block{
    width:100%;
    display:flex;
    justify-content:center;
    margin-bottom:25px;
}

.logo-block img{
    width:auto;
    max-width:500px;
    height:auto;
}

.contacts-block{
    width:100%;
    text-align:left;
}

.contacts-block table{
    width:100%;
    border:0;
    border-collapse:collapse;
}

.contacts-block td{
    padding:5px;
    vertical-align:top;
}

.contacts-block td:first-child{
    width:40px;
    text-align:center;
}

.contacts-block td:first-child img{
    margin:0 auto;
}

.contacts-block tr:first-child td{
    text-align:center;
    padding-bottom:15px;
}

.contacts-block hr{
    margin-top:15px;
    border:0;
    border-top:1px solid #ddd;
}

/* ===========================
   Заголовки
=========================== */

h1,
h2,
h3,
h4,
h5,
h6{
    margin-top:30px;
    margin-bottom:15px;
    line-height:1.3;
    font-weight:700;
}

h1{
    font-size:42px;
    margin-left:0;
}

h2{
    font-size:34px;
    margin-left:20px;
}

h3{
    font-size:28px;
    margin-left:40px;
}

h4{
    font-size:24px;
    margin-left:60px;
}

h5{
    font-size:20px;
    margin-left:80px;
}

h6{
    font-size:18px;
    margin-left:100px;
}

main > h1:first-child{
    margin-top:0;
}

/* ===========================
   Заголовки с изображением
=========================== */

h2,
h3,
h4,
h5,
h6{
    display:flex;
    align-items:center;
    gap:15px;
}

h2 img,
h3 img,
h4 img,
h5 img,
h6 img{
    width:48px;
    height:48px;
    object-fit:contain;
    flex-shrink:0;
}

/* ===========================
   Содержимое
=========================== */

.section-content{
    margin-bottom:20px;
}

h1 + .section-content{margin-left:0;}
h2 + .section-content{margin-left:20px;}
h3 + .section-content{margin-left:40px;}
h4 + .section-content{margin-left:60px;}
h5 + .section-content{margin-left:80px;}
h6 + .section-content{margin-left:100px;}

.section-content p{
    margin-bottom:15px;
}

.section-content img{
    margin-bottom:15px;
}

.section-content ul,
.section-content ol{
    margin:15px 0 15px 25px;
}

.section-content table{
    width:100%;
    border-collapse:collapse;
    margin-top:15px;
}

.section-content th,
.section-content td{
    padding:12px;
    border:1px solid #ddd;
}

/* ===========================
   Спойлер
=========================== */

.spoiler{
    cursor:pointer;
    user-select:none;
    transition:.25s;
}

.spoiler:hover{
    color:#0066cc;
}

.spoiler::after{
    content:"▶";
    margin-left:auto;
    font-size:18px;
    transition:.25s;
}

.spoiler.open::after{
    transform:rotate(90deg);
}

.spoiler + .section-content{
    display:none;
}

.spoiler.open + .section-content{
    display:block;
}

/* ===========================
   Адаптивность
=========================== */

@media(max-width:768px){

    main{
        padding:20px;
    }

    .home-content{
        max-width:100%;
    }

    .logo-block{
        margin-bottom:20px;
    }

    .logo-block img{
        max-width:90%;
    }

    h1{
        font-size:34px;
    }

    h2{
        font-size:26px;
    }

    h3{
        font-size:22px;
    }
}