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104 lines
2.5 KiB
104 lines
2.5 KiB
/** |
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* @file |
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* Site header. |
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*/ |
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@import "../base/media-queries.pcss.css"; |
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.site-header { |
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position: relative; |
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/** |
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* Ensure mobile site header is always above other elements including |
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* contextual links, and Tour. |
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*/ |
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z-index: 101; |
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@media (--nav) { |
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/* Necessary to keep the content from jumping up when header transitions to fixed. */ |
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min-height: var(--site-header-height-wide); |
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border-block-end: solid 1px transparent; /* Will show in Windows high contrast mode. */ |
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} |
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} |
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.site-header__initial { |
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position: relative; |
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z-index: 102; |
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display: flex; |
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align-items: flex-end; |
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align-self: stretch; |
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background-color: var(--color--primary-50); |
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} |
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.site-header__fixable { |
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display: flex; |
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align-items: flex-end; |
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transition: all 0.5s; |
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&.is-fixed { |
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@media (--nav) { |
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&:not(.is-expanded) { |
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pointer-events: none; |
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} |
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} |
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} |
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} |
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@media (--nav) { |
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body:not(.is-always-mobile-nav) { |
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& .site-header__fixable.is-fixed { |
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position: fixed; |
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z-index: 102; /* Appear above body content that is position: relative */ |
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inset-block-start: calc(var(--drupal-displace-offset-top, 0px) - var(--sp4)); |
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max-width: var(--max-bg-color); |
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} |
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} |
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} |
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.site-header__inner { |
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position: relative; |
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z-index: 1; /* Appear in front of Drupal's tabs. */ |
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flex-grow: 1; |
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width: calc(100vw - var(--content-left) - var(--drupal-displace-offset-left, 0px) - var(--drupal-displace-offset-right, 0px)); |
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background: var(--color--white); |
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} |
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/* |
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* Only apply transition styles when JS is loaded. This |
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* works around https://bugs.chromium.org/p/chromium/issues/detail?id=332189 |
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*/ |
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html.js body:not(.is-always-mobile-nav) .site-header__inner { |
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@media (--nav) { |
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transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s; |
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} |
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} |
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.site-header__fixable.is-expanded .site-header__inner { |
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@media (--nav) { |
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box-shadow: -36px 1px 36px rgba(0, 0, 0, 0.08); /* LTR */ |
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} |
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} |
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[dir="rtl"] .site-header__fixable.is-expanded .site-header__inner { |
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@media (--nav) { |
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box-shadow: 36px 1px 36px rgba(0, 0, 0, 0.08); |
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} |
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} |
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/* Hide the desktop nav when it's fixed and not active. */ |
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body:not(.is-always-mobile-nav) .site-header__fixable.is-fixed:not(.is-expanded) .site-header__inner { |
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@media (--nav) { |
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transform: translateX(-101%); /* LTR */ |
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opacity: 0; |
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} |
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} |
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[dir="rtl"] body:not(.is-always-mobile-nav) .site-header__fixable.is-fixed:not(.is-expanded) .site-header__inner { |
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@media (--nav) { |
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transform: translateX(101%); |
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} |
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} |
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.site-header__inner__container { |
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display: flex; |
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justify-content: space-between; |
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}
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