/* Общие стили для документа */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #1B1D3E;
    background:#eee;
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, #1B1D3E, #363f4f);
    color: #eee;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.nav-list{
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

main {
    background-color: #eee;
}

h2 {
    color: #1B1D3E;
    margin-top: 20px;
}

p, ul {
    margin: 10px 0;
    font-size: 1rem;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 8px;
}

strong {
    color: #1B1D3E;
}

address {
    font-style: normal;
    line-height: 1.4;
    margin-top: 10px;
}

footer {
    text-align: center;
    padding: 20px 16px;
    background: linear-gradient(135deg, #1B1D3E, #363f4f);
    color: #eee;
    font-size: 0.9rem;
}

footer p {
    margin: 0;
}

/* Адаптивные стили */
@media (max-width: 768px) {
	header {
		padding: 8px 10px;
		width: calc(100% - 20px);
        display:flex;
	}
    .logo-wrap{
        height: 32px;
        width: 32px;
    }
    .logo{
        width: 100%;
        height: 100%;
    }
    .page-name-wrap {
        line-height: 1;
        display: flex;
        flex-direction: column;
        margin-left: 10px;
        font-size: 16px;
    }

    /* nav *****************************************/
    .nav-wrap{
        display:flex;
        align-items: center;
        width: calc(100% - 20px);
        padding:4px 10px;
    }
    .nav-list{
        width: 100%;
        gap: 4px;
    }
    .act-elem{
        border-bottom: 2px solid transparent;
        border-bottom-color: transparent;
        margin:0;
        flex-grow: 1;
    }
    .act-elem.cur{
        border-color: #1B1D3E;
    }
    .act-elem:active,
    .act-elem:focus{
        border-color: #626262;
        color: #626262;
    }
    .act-elem.cur:active,
    .act-elem.cur:focus{
        border-color: #1B1D3E;
        color: #1B1D3E;
    }
    .act-anchor{
        padding: 6px 10px;
        display: block;
        text-decoration: none;
        font-weight: inherit;
        color: inherit;
        fill: inherit;
        outline: none;
        cursor: pointer;
        font-size: 16px;
        text-align: center;
    }

    /* body ***************************************/
    main {
        padding: 0px 16px;
    }

    h2 {
        font-size: 1.2rem;
    }

    p, ul {
        font-size: 0.9rem;
    }

    ul {
        padding-left: 15px;
    }
}
@media (min-width: 768px) {
	header {
        display: flex;
        align-items: center;
		max-width: 960px;
		width: 100%;
		margin: 20px auto;
		box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        padding-top:1.538461vh;/*14px/9.1*/
        padding-bottom:1.538461vh;/*14px/9.1*/
        padding-left:2.1978vh;/*20px/9.1*/
        padding-right:2.1978vh;/*20px/9.1*/
        border-radius:1.6vh;/*ca8px/9.1*/
	}
    .logo-wrap{
        width: 8.791208vh;
        height: 8.791208vh;
    }
    .logo{
        width: 100%;
        height: 100%;
    }
    .page-name-wrap {
        margin-left: 2.1978vh;
    }
    .page-name-wrap {
        display: flex;
        flex-direction: column;
        z-index: 1000;
    }
    .page-name {
        font-size: 3.82vh;
        letter-spacing: 0.1em;
    }
    .page-name, .concept-name {
        line-height: 1;
    }
    .concept-name {
        font-size: 2.637362vh;
        margin-top: 0.549450vh;
        margin-top: 1.2vh;
        letter-spacing: 0.6em;
    }
    .nav-wrap{
        display: flex;
        align-items: center;
        max-width: 960px;
        width: 100%;
        margin: 20px auto;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        padding-left: 2.1978vh;
        padding-right: 2.1978vh;
        border-radius: 1.6vh;
    }
    .act-elem{
        border-bottom: 2px solid transparent;
        border-bottom-color: transparent;
        margin: 0 2vh;
    }
    .act-elem.cur{
        border-color: #1B1D3E;
    }
    .act-elem:hover,
    .act-elem:focus,
    .act-elem:focus-visible{
        border-color: #626262;
        color: #626262;
    }
    .act-elem.cur:hover,
    .act-elem.cur:focus,
    .act-elem.cur:focus-visible{
        border-color: #1B1D3E;
        color: #1B1D3E;
    }
    .act-anchor{
        padding: 0.769230vh 1.538461vh 0.549450vh;
        display: block;
        text-decoration: none;
        font-weight: inherit;
        color: inherit;
        fill: inherit;
        outline: none;
        cursor: pointer;
        font-size: 1.758241vh;
    }
	main {
        padding-top: 1.538461vh;
        padding-bottom: 1.538461vh;
		padding-left:2.1978vh;/*20px/9.1*/
        padding-right:2.1978vh;/*20px/9.1*/
		max-width: 960px;
		width: 100%;
		margin: 0px auto;
		box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
		border-radius:1.6vh;/*ca8px/9.1*/
	}
    .first-title{
        margin-top:0;
    }
	footer {
        max-width: 960px;
		width: 100%;
		margin: 20px auto;
		text-align: center;
		border-radius: 8px;
		box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        padding-top:1.538461vh;/*14px/9.1*/
        padding-bottom:1.538461vh;/*14px/9.1*/
        padding-left:2.1978vh;/*20px/9.1*/
        padding-right:2.1978vh;/*20px/9.1*/
        border-radius:1.6vh;/*ca8px/9.1*/
	}
}