*,*::before,*::after{box-sizing:border-box}:root{--navy:#173a63;--ink:#172333;--muted:#607084;--paper:#f4f7fa;--white:#fff;--focus:#e27a18}html{min-height:100%;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}body{min-height:100vh;margin:0}.skip-link{position:fixed;z-index:5;top:8px;left:8px;padding:.7rem 1rem;background:var(--navy);color:#fff;border-radius:8px;transform:translateY(-150%)}.skip-link:focus{transform:none}.choice-page{display:grid;grid-template-rows:1fr auto;background:radial-gradient(circle at 15% 0,#e6eef8 0,transparent 36rem),var(--paper)}.choice-main{width:min(1180px,100%);margin:auto;padding:clamp(2rem,7vw,6rem) clamp(1rem,4vw,3rem)}.choice-intro{max-width:700px;margin-bottom:clamp(2rem,5vw,3.5rem)}.eyebrow{display:inline-block;color:var(--navy);font-size:.82rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.choice-intro h1{margin:.55rem 0 .6rem;color:#102a43;font-size:clamp(2.25rem,6vw,4.8rem);line-height:1.04;letter-spacing:-.04em}.choice-intro p{margin:0;color:var(--muted);font-size:clamp(1.05rem,2vw,1.3rem)}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2vw,1.5rem)}.choice-card{position:relative;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;gap:1.5rem;padding:clamp(1.4rem,3vw,2.1rem);overflow:hidden;border:1px solid #d8e0e9;border-top:5px solid var(--card);border-radius:20px;background:var(--white);box-shadow:0 8px 25px rgba(16,42,67,.07);color:var(--ink);text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.choice-card:hover{transform:translateY(-4px);border-color:var(--card);box-shadow:0 16px 36px rgba(16,42,67,.13)}.choice-card:active{transform:translateY(-1px)}.choice-card:focus-visible,.back-link:focus-visible{outline:4px solid var(--focus);outline-offset:4px}.choice-card.teacher{--card:#236a57}.choice-card.student{--card:#2c67a2}.choice-card.researcher{--card:#b65d18}.choice-icon{width:64px;height:64px;display:grid;place-items:center;border-radius:17px;background:color-mix(in srgb,var(--card) 12%,white);color:var(--card);font-size:2rem;font-weight:800}.choice-card strong,.choice-card small{display:block}.choice-card strong{font-size:clamp(1.55rem,3vw,2rem);color:#102a43}.choice-card small{margin-top:.45rem;color:var(--muted);font-size:1rem;line-height:1.5}.choice-arrow{position:absolute;right:1.7rem;top:1.8rem;color:var(--card);font-size:1.5rem}footer{padding:1.2rem;text-align:center;color:var(--muted);font-size:.88rem}.simple-page{display:grid;place-items:center;padding:1rem;background:radial-gradient(circle at 50% 20%,#e6eef8,transparent 35rem),var(--paper)}.simple-card{width:min(620px,100%);padding:clamp(2rem,7vw,4rem);border:1px solid #d8e0e9;border-radius:22px;background:#fff;box-shadow:0 16px 44px rgba(16,42,67,.1);text-align:center}.simple-icon{width:76px;height:76px;display:grid;place-items:center;margin:0 auto 1.5rem;border-radius:20px;background:#eaf0f7;color:var(--navy);font-size:2rem}.simple-card h1{margin:0 0 .8rem;color:#102a43;font-size:clamp(2rem,6vw,3.2rem)}.simple-card p{margin:0 auto 2rem;color:var(--muted);font-size:1.1rem}.back-link{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.1rem;border-radius:10px;background:var(--navy);color:#fff;font-weight:750;text-decoration:none}.back-link:hover{background:#102a43}@media(max-width:760px){.choice-grid{grid-template-columns:1fr}.choice-card{min-height:190px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}