/* Learning Trail Universe: shared branding and interface icons. */
header>.brand,footer .brand{display:flex;flex-direction:column;align-items:center;flex-shrink:0;gap:3px;line-height:1;letter-spacing:normal;width:230px}
.brand>img{display:block;width:100%;height:auto;object-fit:contain}
header>.brand small,footer .brand small{margin:0;font-family:'DM Sans',Arial,sans-serif;font-weight:500;font-size:12px;line-height:1.3;letter-spacing:.02em;text-transform:none;color:var(--ink)}
header{gap:18px}footer .brand{width:240px}
.nav-parent{display:flex;align-items:center;gap:0}.submenu-toggle,.grade-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-size:0!important;line-height:1;vertical-align:middle}
.submenu-toggle::before,.grade-toggle::before{content:'';display:block;width:16px;height:16px;background:currentColor;mask:url('/assets/icon-chevron.svg') center/contain no-repeat;-webkit-mask:url('/assets/icon-chevron.svg') center/contain no-repeat}
.grade-toggle::before{transform:rotate(-90deg)}
.sleek-arrow{display:inline-block;width:20px;height:20px;flex:0 0 20px;background:currentColor;mask:url('/assets/icon-arrow-up-right.svg') center/contain no-repeat;-webkit-mask:url('/assets/icon-arrow-up-right.svg') center/contain no-repeat;vertical-align:middle;align-self:center;margin-left:.25em}
@media(max-width:1100px){header>.brand{width:215px}}
@media(max-width:600px){header>.brand{width:clamp(120px,36vw,205px);gap:4px}header>.brand small{font-size:10px;letter-spacing:0}header{min-height:90px;height:auto;padding-block:12px;gap:6px}footer .brand{width:230px}}