/* mega menu */
.top .wrap { gap: 22px; }
.mnav { display: flex; align-items: center; gap: 4px; margin-left: 18px; }
.mnav > a, .mnav > button { background: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 12px; border-radius: 10px; color: var(--on-dk); font: 500 14.5px/1 var(--font); text-decoration: none; white-space: nowrap; }
.mnav > a:hover, .mnav > button:hover, .mnav > button[aria-expanded="true"] { background: rgba(255,255,255,.08); color: #fff; }
.mnav > button svg { width: 14px; height: 14px; transition: transform .15s; }
.mnav > button[aria-expanded="true"] svg { transform: rotate(180deg); }
.tacts { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.tacts .lnk { color: var(--on-dk); text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 0 6px; }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { background: var(--gold-50); }
.mega { position: absolute; left: 0; right: 0; top: 68px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 30px 60px rgba(10,25,48,.16); }
.mega .in { max-width: 1320px; margin: 0 auto; padding: 30px 24px 26px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(0, 1.25fr); gap: 26px; }
.mega h4 { margin: 0 0 12px; font-size: 12.5px; font-weight: 700; color: var(--gold-700); letter-spacing: .02em; }
.mega .col a { display: flex; gap: 10px; align-items: flex-start; padding: 8px 8px; margin: 0 -8px; border-radius: 10px; text-decoration: none; color: var(--ink); font-size: 14.5px; font-weight: 600; line-height: 1.3; }
.mega .col a:hover { background: var(--sand); }
.mega .col a small { display: block; font-weight: 500; color: var(--mute); font-size: 12.5px; margin-top: 2px; }
.mega .col a .i { flex: none; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--books-50); color: var(--books); }
.mega .col a .i svg { width: 17px; height: 17px; }
.mega .col a.cur { background: var(--books-50); }
.mega .promo { border-radius: 18px; background: var(--navy); color: var(--on-dk); padding: 22px; display: flex; flex-direction: column; }
.mega .promo b { color: #fff; font-size: 19px; line-height: 1.25; letter-spacing: -.01em; }
.mega .promo p { margin: 8px 0 16px; font-size: 13.5px; color: var(--on-dk-2); }
.mega .promo .btn { margin-top: auto; }
.mega .foot { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 16px; display: flex; flex-wrap: wrap; gap: 10px 28px; font-size: 13.5px; color: var(--mute); }
.mega .foot span { display: inline-flex; gap: 8px; align-items: center; }
.mega .foot svg { width: 16px; height: 16px; color: var(--books-600); }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 10px; border: 1px solid rgba(255,255,255,.25); background: none; color: #fff; cursor: pointer; place-items: center; }
.burger svg { width: 22px; height: 22px; }
.msheet { position: absolute; left: 0; right: 0; top: 68px; height: calc(100vh - 68px); height: calc(100dvh - 68px); background: #fff; overflow-y: auto; padding: 8px 18px 30px; z-index: 29; }
.msheet details { border-bottom: 1px solid var(--line); }
.msheet summary { list-style: none; cursor: pointer; padding: 16px 0; font-size: 17px; font-weight: 600; color: var(--ink); display: flex; justify-content: space-between; }
.msheet summary::-webkit-details-marker { display: none; }
.msheet summary::after { content: "+"; color: var(--books); font-weight: 400; font-size: 22px; line-height: 1; }
.msheet details[open] summary::after { content: "\2212"; }
.msheet details a { display: block; padding: 10px 0 10px 12px; color: var(--text); text-decoration: none; font-size: 15.5px; }
.msheet > a { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 17px; font-weight: 600; color: var(--ink); text-decoration: none; }
.msheet > a.btn { display: flex; width: 100%; margin-top: 14px; padding: 0 20px; border-bottom: 1px solid transparent; font-size: 16px; }
.msheet > a.btn-gold { color: #fff; } .msheet > a.btn-line { border-color: var(--line); }
@media (max-width: 1060px) { .mnav, .tacts { display: none; } .burger { display: grid; } .mega { display: none !important; } }
.top nav a { white-space: nowrap; }

/* contrast: gold buttons AA */
.btn-gold { background: #7B6939; color: #fff; }
.btn-gold:hover { background: #6A5A30; }