/* Shared shell overrides and responsive navigation. Desktop values mirror the legacy pages. */
.header-container {
    max-width: 100%;
    padding: 0;
}

.nav-row {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    margin: 0 auto 20px;
    max-width: 1400px;
    padding: 0 20px;
}

.logo {
    flex-shrink: 0;
}

.logo img {
    display: block;
    width: auto;
    height: 100px;
    padding: 0;
    background-color: transparent;
}

.main-nav {
    display: flex;
    flex: 1;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    padding-top: 0;
}

.nav-link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    color: var(--black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-line {
    width: 160px !important;
    height: 3px;
    flex-shrink: 0;
    background-color: var(--deep-blue);
    transition: all 0.3s ease;
}

.nav-link.active .nav-line {
    height: 5px;
}

.nav-text {
    font-size: 24px !important;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.dropdown-menu .dropdown-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 12px 20px;
    color: var(--black);
    font-size: 20px !important;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-item i {
    display: block !important;
    margin-left: 10px;
    color: var(--black);
    font-size: 0.8em;
}

.dropdown-menu {
    min-width: 280px;
}

.dropdown-item.has-submenu {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 12px;
}

.dropdown-item.has-submenu > span {
    min-width: 0;
}

.dropdown-item.has-submenu > i.fa-chevron-right {
    display: block !important;
    width: 12px;
    margin-left: 0;
    flex: 0 0 auto;
    text-align: center;
    color: #999;
}

.dropdown-item.has-submenu:hover > i.fa-chevron-right {
    color: var(--white);
}

.submenu {
    min-width: 340px;
}

.fiberglass-submenu > .dropdown-item {
    white-space: normal;
}

.action-row {
    display: none !important;
}

.header-separator {
    width: 100%;
    height: 4px;
    margin: 0;
    background-color: var(--deep-blue);
}

.footer-content {
    display: flex;
    flex-direction: row !important;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-social,
.footer-actions {
    display: flex;
    gap: 15px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    color: var(--white);
    font-size: 24px;
    text-decoration: none;
    background-color: transparent;
    border: 2px solid var(--white);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background-color: var(--light-blue);
    border-color: var(--light-blue);
    transform: translateY(-3px);
}

.social-btn[title="YouTube"]:hover {
    background-color: #FF0000;
    border-color: #FF0000;
}

.social-btn[title="Instagram"]:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: transparent;
}

.footer-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.mobile-menu-toggle,
.mobile-submenu-toggle,
.mobile-nested-toggle {
    display: none;
}

@media (max-width: 768px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }

    body.mobile-nav-open {
        overflow: hidden;
    }

    .main-header {
        padding: 10px 0;
    }

    .nav-row {
        flex-direction: row !important;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin: 0;
        padding: 0 16px;
    }

    .logo img {
        height: 64px;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        flex: 0 0 48px;
        color: var(--deep-blue);
        font-size: 24px;
        background: var(--white);
        border: 2px solid var(--deep-blue);
        border-radius: 5px;
        cursor: pointer;
    }

    .mobile-menu-toggle i,
    .mobile-submenu-toggle i,
    .mobile-nested-toggle i {
        margin: 0;
    }

    .main-nav {
        position: fixed;
        top: var(--mobile-header-height, 88px);
        right: 0;
        bottom: 0;
        z-index: 1100;
        display: block;
        width: min(88vw, 380px);
        padding: 12px 0 32px;
        overflow-y: auto;
        background: var(--white);
        box-shadow: -4px 8px 20px rgba(0, 0, 0, 0.18);
        visibility: hidden;
        transform: translateX(105%);
        transition: transform 0.3s ease, visibility 0.3s ease;
    }

    .main-nav.is-open {
        visibility: visible;
        transform: translateX(0);
    }

    .main-nav > .nav-link {
        width: 100%;
        margin: 0;
        padding: 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .main-nav > a.nav-link {
        display: block;
    }

    .main-nav > .nav-link.has-dropdown {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 48px;
        align-items: stretch;
        gap: 0;
    }

    .nav-link > .nav-line {
        display: none;
    }

    .nav-link > .nav-text {
        display: block;
        padding: 14px 20px;
        color: var(--black);
        font-size: 17px !important;
        line-height: 1.35;
        text-align: left;
        white-space: normal;
    }

    .mobile-submenu-toggle,
    .mobile-nested-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 48px;
        min-height: 48px;
        padding: 0;
        color: var(--deep-blue);
        background: transparent;
        border: 0;
        cursor: pointer;
    }

    .dropdown-menu,
    .submenu {
        position: static;
        display: none;
        grid-column: 1 / -1;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 0;
        overflow: visible;
        background: var(--white);
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .has-dropdown.is-expanded > .dropdown-menu,
    .dropdown-item.has-submenu.is-expanded > .submenu {
        display: block;
    }

    .dropdown-menu .dropdown-item {
        width: 100%;
        min-width: 0;
        padding: 12px 20px 12px 32px;
        font-size: 16px !important;
        line-height: 1.4;
        white-space: normal;
        border-bottom: 1px solid #f5f5f5;
        border-radius: 0;
        box-shadow: none;
    }

    .dropdown-item.has-submenu {
        grid-template-columns: minmax(0, 1fr) 48px;
        column-gap: 0;
    }

    .dropdown-item.has-submenu > span {
        align-self: center;
    }

    .dropdown-item.has-submenu > i.fa-chevron-right {
        display: none !important;
    }

    .submenu .dropdown-item {
        padding-left: 48px;
    }

    .submenu .submenu .dropdown-item {
        padding-left: 64px;
    }

    .mobile-submenu-toggle i,
    .mobile-nested-toggle i {
        transition: transform 0.2s ease;
    }

    .is-expanded > .mobile-submenu-toggle i,
    .dropdown-item.has-submenu.is-expanded > .mobile-nested-toggle i {
        transform: rotate(180deg);
    }

    .header-separator {
        margin-top: 10px;
    }

    .product-detail-section,
    .product-section,
    .product-detail-row {
        flex-direction: column;
        gap: 24px;
    }

    .top-media-container {
        width: calc(100% - 32px);
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .main-img-wrapper,
    .main-image-box {
        height: auto;
        aspect-ratio: 4 / 3;
    }

    .applications-grid,
    .industries-grid,
    .industries-grid-with-buttons {
        grid-template-columns: 1fr !important;
    }

    .industry-row {
        gap: 20px;
    }

    .industry-item {
        width: 100%;
    }

    .centered-image-box,
    .advantages-box {
        width: calc(100% - 32px);
    }

    .page-title,
    .section-header {
        overflow-wrap: anywhere;
    }

    .footer-content {
        flex-direction: column !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .main-nav,
    .mobile-submenu-toggle i,
    .mobile-nested-toggle i {
        transition: none;
    }
}