.okno-product {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 40px 20px;
    background: #f7f8fa;
    border-radius: 4px;
}
.okno-product__layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.okno-product__info {
    flex: 0 0 35%;
    max-width: 35%;
}
.okno-product__title {
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 12px;
    color: #1a1a2e;
}
.okno-product__info hr {
    border: none;
    border-top: 3px solid #00b1eb;
    width: 50px;
    margin: 0 0 20px;
}
.okno-product__desc {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 24px;
}
.okno-product__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #00b1eb;
    color: #fff;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background 0.2s;
}
.okno-product__btn:hover {
    background: #0090c0;
    color: #fff;
    text-decoration: none;
}
.okno-product__visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}
.okno-product__image {
    max-width: 100%;
    max-height: 450px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

/* Spec badges */
.okno-product__specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}
.okno-spec {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 180px;
    min-width: 160px;
    padding: 10px 14px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e8ecf0;
}
.okno-spec__icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f7ff;
    border-radius: 50%;
}
.okno-spec__icon svg {
    width: 20px;
    height: 20px;
}
.okno-spec__text {
    display: flex;
    flex-direction: column;
}
.okno-spec__value {
    font-size: 12px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.3;
}
.okno-spec__label {
    font-size: 10px;
    color: #8896a6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.okno-spec__tip {
    position: absolute;
    top: 4px;
    right: 4px;
    cursor: help;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.okno-spec__tip:hover {
    opacity: 1;
}
.okno-spec {
    position: relative;
}

/* Color picker */
.okno-colors {
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}
.okno-colors__title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #1a1a2e;
}
.okno-colors__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.okno-color {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: border-color 0.2s;
    width: 80px;
}
.okno-color:hover {
    border-color: #ccd5de;
}
.okno-color--active {
    border-color: #00b1eb;
}
.okno-color__swatch {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}
.okno-color__swatch img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.okno-color__name {
    font-size: 11px;
    color: #4a5568;
    text-align: center;
    line-height: 1.2;
}
.okno-color--active .okno-color__name {
    color: #00b1eb;
    font-weight: 600;
}

/* Selected color label */
.okno-colors__selected {
    margin-top: 12px;
    font-size: 14px;
    color: #1a1a2e;
}
.okno-colors__selected strong {
    color: #00b1eb;
}

/* Section headers */
.okno-section-header {
    max-width: 1200px;
    margin: 48px auto 0;
    padding: 0 20px;
}
.okno-section-header__title {
    font-size: 32px;
    font-weight: 800;
    color: #1a1a2e;
    margin: 0 0 12px;
}
.okno-section-header hr {
    border: none;
    border-top: 3px solid #00b1eb;
    width: 60px;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .okno-product__layout {
        flex-direction: column;
    }
    .okno-product__info {
        flex: 1;
        max-width: 100%;
    }
    .okno-product__visual {
        min-height: 250px;
    }
    .okno-product__image {
        max-height: 300px;
    }
    .okno-spec {
        flex: 1 1 140px;
    }
}