/* Только локальные концепции. Фон и контент не заменяются. */
.design-picker {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 9px 12px;
    background: #f4f6f8;
    border-bottom: 1px solid #cbd3da;
    font:
        13px/20px Arial,
        sans-serif;
    color: #233343;
}
.design-picker strong {
    margin-right: 8px;
}
.design-picker button {
    font: inherit;
    border: 1px solid #b7c3ce;
    background: white;
    color: #263746;
    border-radius: 5px;
    padding: 6px 12px;
    cursor: pointer;
}
.design-picker button[aria-pressed="true"] {
    background: #193d60;
    color: white;
    border-color: #193d60;
}
.design-picker button:focus-visible {
    outline: 3px solid #d9a900;
    outline-offset: 2px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    body {
    font:
        15px/1.55 Arial,
        sans-serif;
    color: #263744;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .header {
    display: grid;
    grid-template-columns: 130px minmax(180px, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 14px 24px 48px;
    min-height: 150px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .brand {
    position: static;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .brand
    img {
    position: static;
    width: 120px;
    height: 102px;
    object-fit: contain;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .slogan {
    max-width: 100%;
    width: 350px;
    height: auto;
    margin: 0 auto;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .phones {
    margin: 0;
    line-height: 1.5;
    font-size: 16px;
    gap: 2px 20px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .phones
    a {
    color: #204e7a;
    text-decoration: none;
    font-weight: 600;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .header
    > .button {
    top: auto;
    bottom: 6px;
    right: 24px;
    font:
        bold 14px/24px Arial,
        sans-serif;
    text-transform: none;
    background: #f5bf28;
    color: #172b3b;
    padding: 7px 18px;
    border: 0;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .topnav {
    padding-left: 24px;
    padding-right: 210px;
    margin-top: -44px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .topnav
    .wrap {
    background: #4f5e6a;
    border-radius: 5px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .topnav
    a {
    font:
        600 14px/44px Arial,
        sans-serif;
    text-transform: none;
    padding: 0 18px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .factory-link {
    font:
        14px/22px Arial,
        sans-serif;
    height: auto;
    margin: 16px auto 24px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .factory-link
    a {
    color: #24537e;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .home-hero
    h1 {
    font-size: clamp(28px, 3.3vw, 42px);
    font-weight: 600;
    line-height: 1.2;
    color: #224d79;
    letter-spacing: -0.6px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .hero-copy {
    font-size: 15px;
    line-height: 1.55;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .layout {
    gap: 24px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .prose
    h1 {
    font-size: 30px;
    line-height: 1.3;
    font-weight: 600;
    color: #224d79;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    details {
    padding: 0;
    overflow: hidden;
    border: 1px solid #d5dce3;
    margin-bottom: 20px;
    background: #f3f5f7;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    summary {
    text-align: left;
    padding: 12px 14px;
    font-size: 14px;
    color: #213e58;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    nav
    > ul,
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    details
    > ul {
    padding: 6px 0;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    li
    > a {
    padding: 7px 12px;
    font-size: 13px;
    line-height: 1.4;
    border-left: 3px solid transparent;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    li
    li
    > a {
    padding-left: 24px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    aside
    a[aria-current] {
    border-left-color: #285c8a;
    background: #edf3f8;
    color: #1f4b73;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .prose
    table[border="1"]
    td,
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .prose
    table[border="1"]
    th {
    padding: 8px;
    border-color: #c8d1da;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .gallery-section
    h2 {
    font-size: 20px;
    color: #263f55;
    letter-spacing: 0.5px;
    margin: 24px 0 18px;
}
html:is(
        [data-design="classic"],
        [data-design="light"],
        [data-design="technical"]
    )
    .gallery-section
    img {
    border-radius: 5px;
}
html[data-design="classic"] footer {
    background: #4f5e6a;
}
/* 2. Светлый промышленный: фон виден, текст на лёгких подложках. */
html[data-design="light"] .header {
    background: rgba(255, 255, 255, 0.72);
    border-bottom: 1px solid #dfe8ef;
}
html[data-design="light"] .topnav .wrap {
    background: #184e7b;
    border-radius: 8px;
}
html[data-design="light"] .topnav a:hover {
    background: #286493;
}
html[data-design="light"] .hero-copy {
    background: rgba(255, 255, 255, 0.86);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 16px #2947600c;
}
html[data-design="light"] main {
    background: rgba(255, 255, 255, 0.92);
    padding: 24px;
    border: 1px solid #e0e7ee;
    border-radius: 10px;
}
html[data-design="light"] aside details {
    background: rgba(255, 255, 255, 0.94);
    border-radius: 9px;
    box-shadow: 0 3px 12px #12395808;
}
html[data-design="light"] summary {
    background: #edf4fa;
}
html[data-design="light"] footer {
    background: #234c6c;
}
html[data-design="light"] .album-group {
    background: rgba(255, 255, 255, 0.85);
}
/* 3. Строгий технический: прямые углы, контрастные таблицы. */
html[data-design="technical"] .header {
    border-top: 4px solid #33434e;
    background: rgba(255, 255, 255, 0.88);
}
html[data-design="technical"] .topnav .wrap {
    background: #303e48;
    border-radius: 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 0;
    gap: 0;
}
html[data-design="technical"] .topnav a {
    border: 0;
    letter-spacing: 0.3px;
    text-align: center;
    position: relative;
}
html[data-design="technical"] .topnav a + a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 25%;
    bottom: 25%;
    width: 1px;
    background: #74818a;
}
@media (max-width: 700px) {
    html[data-design="technical"] .topnav .wrap {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    html[data-design="technical"] .topnav a:nth-child(odd)::before {
        display: none;
    }
    html[data-design="technical"] .topnav a:last-child {
        grid-column: 1 / -1;
    }
}
html[data-design="technical"] .header > .button {
    border-radius: 0;
    background: #efc02e;
}
html[data-design="technical"] .hero-copy {
    background: rgba(255, 255, 255, 0.92);
    padding: 18px;
    border-left: 4px solid #d8ad25;
}
html[data-design="technical"] main {
    background: rgba(255, 255, 255, 0.96);
    padding: 24px;
    border-top: 4px solid #3d5364;
}
html[data-design="technical"] aside details,
html[data-design="technical"] aside ul,
html[data-design="technical"] .promotion {
    border-radius: 0;
}
html[data-design="technical"] summary {
    background: #e8edf0;
    border-bottom: 1px solid #c8d0d7;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.8px;
}
html[data-design="technical"] .prose table[border="1"] tr:nth-child(even) {
    background: #eef2f5;
}
html[data-design="technical"] .prose table[border="1"] tr:first-child {
    background: #dee6ec;
}
html[data-design="technical"] .gallery-section img {
    border-radius: 0;
    border: 1px solid #a9b5bf;
}
html[data-design="technical"] footer {
    background: #303e48;
}
@media (max-width: 1000px) {
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .header {
        grid-template-columns: 110px 1fr 1fr;
        gap: 12px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .phones {
        font-size: 13px;
        gap: 2px 8px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .topnav
        a {
        padding: 0 10px;
    }
}
@media (max-width: 700px) {
    .design-picker {
        justify-content: flex-start;
    }
    .design-picker strong {
        width: 100%;
    }
    .design-picker button {
        font-size: 12px;
        padding: 5px 8px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .header {
        grid-template-columns: 90px minmax(0, 1fr);
        padding: 12px 16px;
        min-height: 0;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .brand
        img {
        width: 85px;
        height: 76px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .slogan {
        width: 100%;
        max-width: 300px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .phones {
        grid-column: 1/-1;
        font-size: 14px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .header
        > .button {
        position: static;
        grid-column: 1/-1;
        justify-self: start;
        margin: 0;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .topnav {
        margin: 0;
        padding: 0 16px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .topnav
        .wrap {
        flex-wrap: wrap;
        justify-content: center;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .topnav
        a {
        font-size: 13px;
        line-height: 38px;
        padding: 0 10px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        main {
        padding: 14px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .layout {
        gap: 16px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .home-hero
        h1 {
        font-size: 28px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .hero-copy {
        font-size: 14px;
    }
    html:is(
            [data-design="classic"],
            [data-design="light"],
            [data-design="technical"]
        )
        .prose
        h1 {
        font-size: 25px;
    }
}
@media print {
    .design-picker {
        display: none;
    }
}