/* Menu page only: search, the study-tools button and the grouped link cards. */
.menu-search{position:relative;margin:1.4rem 0 1.6rem}
.menu-search input{width:100%;font:inherit;font-size:1.05rem;padding:.95rem 1rem .95rem 3rem;border:2px solid var(--blue-100);border-radius:999px;background:#fff;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.menu-search input:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.menu-search svg{position:absolute;left:1.1rem;top:50%;width:1.3rem;height:1.3rem;translate:0 -50%;color:var(--blue-700)}
.hub-btn{position:relative;overflow:hidden;display:flex;align-items:center;gap:1.4rem;padding:1.3rem 1.5rem;border-radius:1.6rem;text-decoration:none;color:#fff;
  background:radial-gradient(120% 140% at 0% 0%,#2f6fe0 0%,var(--blue-700) 45%,var(--blue-900) 100%);
  box-shadow:0 22px 48px -22px rgba(6,33,79,.75);transition:transform .25s,box-shadow .25s}
.hub-btn:before{content:"";position:absolute;right:-3rem;top:-4rem;width:13rem;height:13rem;border-radius:50%;background:radial-gradient(circle,rgba(255,198,26,.28),transparent 65%);pointer-events:none}
.hub-btn:hover{transform:translateY(-3px);box-shadow:0 28px 56px -24px rgba(6,33,79,.8)}
.hub-btn:hover .hub-btn__stack img:nth-child(1){transform:rotate(-14deg) translateX(-4px)}
.hub-btn:hover .hub-btn__stack img:nth-child(3){transform:rotate(14deg) translateX(4px)}
.hub-btn:focus-visible{outline:3px solid var(--gold-500);outline-offset:3px}
.hub-btn__stack{position:relative;flex:none;width:8.6rem;height:4.4rem}
.hub-btn__stack img{position:absolute;top:.2rem;width:4rem;height:4rem;filter:drop-shadow(0 8px 10px rgba(0,0,0,.3));transition:transform .3s}
.hub-btn__stack img:nth-child(1){left:0;transform:rotate(-9deg)}
.hub-btn__stack img:nth-child(2){left:2.3rem;top:-.1rem;z-index:2;transform:scale(1.08)}
.hub-btn__stack img:nth-child(3){left:4.6rem;transform:rotate(9deg)}
.hub-btn__text{position:relative;flex:1;min-width:0}
.hub-btn__eyebrow{display:inline-block;font-size:.78rem;font-weight:700;color:var(--gold-500);letter-spacing:.02em}
.hub-btn__title{display:block;margin-top:.1rem;font-weight:800;font-size:1.55rem;line-height:1.15}
.hub-btn__sub{display:block;margin-top:.3rem;font-size:.92rem;opacity:.85;line-height:1.4}
.hub-btn__go{position:relative;flex:none;display:inline-flex;align-items:center;gap:.4rem;padding:.7rem 1.15rem;border-radius:999px;background:var(--gold-500);color:var(--blue-900);font-weight:800;font-size:.95rem;box-shadow:0 8px 20px -8px rgba(232,169,0,.8)}
.hub-btn__go svg{width:1.1rem;height:1.1rem}
.menu-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr));margin-top:1.8rem}
.menu-group{background:#fff;border:1px solid var(--blue-100);border-radius:1.2rem;padding:1.1rem 1.15rem 1rem;box-shadow:0 10px 30px -22px rgba(6,33,79,.35)}
.menu-group h2{font-size:1.1rem;margin:0 0 .15rem;display:flex;align-items:center;gap:.55rem}
.menu-group h2 a{color:inherit;text-decoration:none}
.menu-group h2 a:hover{color:var(--blue-700)}
.menu-group h2 span{flex:none;display:grid;place-items:center;width:2rem;height:2rem;border-radius:.65rem;background:var(--gold-050);font-size:1.05rem}
.menu-group p{margin:0 0 .6rem;font-size:.86rem;color:#5b6475}
.menu-group ul{list-style:none;margin:0;padding:0}
.menu-group li a{display:flex;align-items:center;gap:.5rem;padding:.42rem .5rem;margin:0 -.5rem;border-radius:.6rem;color:var(--ink);text-decoration:none;font-size:.95rem;line-height:1.35}
.menu-group li a:hover{background:var(--blue-050);color:var(--blue-800)}
.menu-group li a:before{content:"";flex:none;width:.4rem;height:.4rem;border-radius:50%;background:var(--gold-500)}
.menu-empty{display:none;margin-top:1.5rem;padding:1.2rem;border-radius:1rem;background:var(--blue-050);text-align:center}
.menu-quick{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.menu-quick a{font-size:.9rem;padding:.45rem .85rem;border-radius:999px;border:1px solid var(--blue-100);background:#fff;color:var(--blue-800);text-decoration:none;font-weight:600}
.menu-quick a:hover{border-color:var(--blue-600)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
mark{background:var(--gold-100);color:inherit;border-radius:.2rem;padding:0 .1rem}
@media (max-width:620px){
  .hub-btn{flex-wrap:wrap;gap:.9rem 1rem;padding:1.15rem}
  .hub-btn__stack{width:6.6rem;height:3.4rem}
  .hub-btn__stack img{width:3.1rem;height:3.1rem}
  .hub-btn__stack img:nth-child(2){left:1.75rem}
  .hub-btn__stack img:nth-child(3){left:3.5rem}
  .hub-btn__title{font-size:1.3rem}
  .hub-btn__go{flex-basis:100%;justify-content:center;padding:.75rem}
}

/* Second app card: Ezo, the students' social network. Gold card so it reads as a different place than the navy hub. */
.hub-btn--ezo{color:var(--blue-900);background:radial-gradient(120% 140% at 0% 0%,#ffe08a 0%,var(--gold-500) 55%,#e0a800 100%);box-shadow:0 22px 48px -22px rgba(176,128,0,.7)}
.hub-btn--ezo:before{background:radial-gradient(circle,rgba(255,255,255,.45),transparent 65%)}
.hub-btn--ezo .hub-btn__eyebrow{color:var(--blue-800)}
.hub-btn--ezo .hub-btn__sub{opacity:.8}
.hub-btn--ezo .hub-btn__go{background:var(--blue-900);color:#fff;box-shadow:0 8px 20px -8px rgba(6,33,79,.6)}
.mt-1{margin-top:1rem}
/* Review 2026-11-01: group heading links were 20px tall; give them a >=24px hit area. */
.menu-group h2 a{display:inline-block;padding:.3rem 0}