/* Прототип по ТЗ — только для страницы osteklenie_prototype */
.tz-proto {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px 80px;
    font-family: 'HeliosC', Arial, sans-serif;
    color: #2c3e50;
}

.tz-proto__banner {
    background: #fff3e6;
    border: 2px solid var(--main-color, #f38326);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 0;
}

.tz-proto__banner h2 {
    margin: 0 0 8px;
    font-family: 'HeliosCondC', Arial, sans-serif;
    font-size: 22px;
    color: var(--main-color, #f38326);
}

.tz-proto__banner p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.tz-proto__nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 12px 0;
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tz-proto__nav a {
    font-size: 12px;
    padding: 6px 10px;
    background: #f4f6f8;
    border-radius: 4px;
    text-decoration: none;
    color: var(--title-color, #2c3e50);
}

.tz-proto__nav a:hover {
    background: var(--main-color, #f38326);
    color: #fff;
}

.tz-block {
    border: 2px dashed #b0b8c4;
    border-radius: 8px;
    margin-bottom: 0;
    overflow: hidden;
    background: #fafbfc;
}

.tz-block__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #2c3e50;
    color: #fff;
}

.tz-block__num {
    font-family: 'HeliosCondC', Arial, sans-serif;
    font-weight: 700;
    font-size: 18px;
    min-width: 72px;
}

.tz-block__title {
    font-family: 'HeliosCondC', Arial, sans-serif;
    font-weight: 700;
    font-size: 16px;
    flex: 1;
}

.tz-block__source {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.15);
}

.tz-block__source--site {
    background: #27ae60;
}

.tz-block__source--new {
    background: #e67e22;
}

.tz-block__body {
    padding: 20px 16px;
}

.tz-block__tz {
    font-size: 13px;
    line-height: 1.55;
    color: #555;
    margin-bottom: 16px;
    padding: 12px;
    background: #fff;
    border-left: 4px solid var(--main-color, #f38326);
}

.tz-block__wire {
    min-height: 80px;
    padding: 16px;
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 6px;
}

.tz-block__wire--hero {
    min-height: 200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: center;
}

.tz-block__wire--cols-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.tz-block__wire--cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.tz-block__wire--cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.tz-block__cell {
    border: 1px dashed #ccc;
    padding: 12px;
    text-align: center;
    font-size: 12px;
    background: #f9f9f9;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tz-block__cell--img {
    min-height: 100px;
    background: #e8ecf0;
    color: #888;
}

.tz-block__sub {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed #ccc;
}

.tz-block__sub-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--main-color, #f38326);
    margin-bottom: 8px;
}

.tz-block--extra {
    border-color: #9b59b6;
}

.tz-block--extra .tz-block__head {
    background: #6c3483;
}

@media (max-width: 768px) {
    .tz-block__wire--hero,
    .tz-block__wire--cols-2,
    .tz-block__wire--cols-4,
    .tz-block__wire--cols-3 {
        grid-template-columns: 1fr;
    }
}