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105 lines
2.5 KiB
105 lines
2.5 KiB
1 year ago
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/**
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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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