:root{--bg:#f5f7fb;--panel:#fff;--ink:#182033;--muted:#667085;--line:#e5e9f2;--accent:#3563ff;--accent-dark:#244bd4;--mint:#17b890;--coral:#ff6b5f;--shadow:0 24px 70px rgba(23,32,51,.12)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:"Inter","Poppins",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(53,99,255,.12),transparent 34rem),linear-gradient(145deg,#f8fbff 0%,var(--bg) 48%,#eef4f1 100%)}button{font:inherit}.app-shell{width:min(1180px,calc(100% - 32px));min-height:100vh;margin:0 auto;display:grid;place-items:center;padding:32px 0}.screen{display:none;width:100%;animation:riseIn 420ms ease both}.screen-active{display:block}.start-screen,.result-panel,.countdown-screen{width:min(720px,100%);margin:0 auto;padding:clamp(36px,7vw,72px);text-align:center;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.76);border-radius:8px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.countdown-screen{min-height:520px;display:none;place-items:center;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.76);border-radius:8px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.countdown-screen.screen-active{display:grid}.countdown-number{font-size:clamp(7rem,24vw,15rem);font-weight:800;line-height:1;color:var(--accent);text-align:center;animation:countPulse 1s ease both}.countdown-pop{animation:countPulse 1s ease both}.brand-mark{width:64px;height:64px;margin:0 auto 22px;display:grid;place-items:center;color:#fff;font-weight:800;letter-spacing:0;border-radius:20px;background:linear-gradient(135deg,var(--accent),var(--mint));box-shadow:0 18px 36px rgba(53,99,255,.24)}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0}h1{font-size:clamp(2.2rem,7vw,4.7rem);line-height:1.02}h2{font-size:clamp(1.55rem,4vw,2.35rem);line-height:1.1}.subtitle{width:min(520px,100%);margin:20px auto 34px;color:var(--muted);font-size:clamp(1rem,2vw,1.25rem);line-height:1.6}.primary-btn,.secondary-btn,.option-btn{min-height:52px;border:0;border-radius:8px;cursor:pointer;transition:transform 180ms ease,box-shadow 180ms ease,background 180ms ease}.primary-btn{padding:0 28px;color:#fff;font-weight:800;background:var(--accent);box-shadow:0 18px 34px rgba(53,99,255,.24)}.secondary-btn{padding:0 24px;color:var(--ink);font-weight:800;background:#edf2ff}.primary-btn:hover,.secondary-btn:hover,.option-btn:hover{transform:translateY(-2px)}.primary-btn:hover{background:var(--accent-dark)}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.compact{width:min(760px,100%);margin-inline:auto}.timer-pill{min-width:214px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 34px rgba(23,32,51,.08)}.timer-pill span{color:var(--muted);font-size:.86rem;font-weight:700}.timer-pill strong{font-size:1.1rem}.people-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.person-card{padding:14px;text-align:center;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 34px rgba(23,32,51,.07);animation:cardIn 360ms ease both}.person-card img,.quiz-card img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#dce4f0}.person-card img{border-radius:8px}.person-card strong{display:block;margin-top:12px;font-size:1.05rem}.action-row{margin-top:24px;text-align:center}.quiz-card{width:min(560px,100%);margin:0 auto;padding:clamp(18px,4vw,28px);text-align:center;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.quiz-card img{max-width:300px;border-radius:8px}.question{margin:22px 0 18px;font-size:1.2rem;font-weight:800}.options-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.option-btn{padding:0 16px;color:var(--ink);font-weight:800;background:#f1f5fb;border:1px solid #dfe6f0}.option-btn.correct{color:#fff;background:var(--mint)}.option-btn.incorrect{color:#fff;background:var(--coral)}.score-ring{width:168px;height:168px;margin:28px auto;display:grid;place-items:center;align-content:center;border-radius:50%;background:linear-gradient(#fff,#fff) padding-box,conic-gradient(var(--accent) var(--score-angle,0deg),#e9eef7 0deg) border-box;border:12px solid transparent;box-shadow:inset 0 0 0 1px var(--line),0 16px 36px rgba(23,32,51,.08)}.score-ring span{font-size:2.2rem;font-weight:800}.score-ring small{color:var(--muted);font-weight:700}.result-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.result-stats div{padding:16px;background:#f6f8fc;border:1px solid var(--line);border-radius:8px}.result-stats span{display:block;min-height:38px;color:var(--muted);font-size:.86rem;font-weight:700;line-height:1.35}.result-stats strong{display:block;margin-top:8px;font-size:1.25rem}.feedback{margin:0 0 24px;font-size:1.2rem;font-weight:800}.result-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}@keyframes countPulse{0%{opacity:0;transform:scale(.72)}35%{opacity:1;transform:scale(1.06)}100%{opacity:1;transform:scale(1)}}@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes cardIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:900px){.people-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:640px){.app-shell{width:min(100% - 24px,1180px);padding:18px 0}.top-bar{align-items:flex-start;flex-direction:column}.timer-pill{width:100%}.people-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.person-card{padding:10px}.options-grid,.result-stats{grid-template-columns:1fr}.primary-btn,.secondary-btn{width:100%}.result-actions{flex-direction:column}}

.site-header{width:min(1180px,calc(100% - 32px));margin:0 auto;padding-top:16px}
.home-link{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.9);box-shadow:0 10px 24px rgba(23,32,51,.08);color:var(--ink);font-size:.88rem;font-weight:800;text-decoration:none;transition:transform 160ms ease,box-shadow 160ms ease}
.home-link:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,32,51,.12)}
a.secondary-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.app-shell{min-height:calc(100vh - 62px);padding-top:16px}
.brand-mark{grid-template-columns:repeat(2,1fr);gap:.38rem;place-items:stretch;width:4.7rem;height:4.7rem;margin:0 auto 1.4rem;padding:.8rem;border:1px solid rgba(228,232,240,.9);border-radius:1.1rem;background:rgba(255,255,255,.88);box-shadow:var(--shadow)}
.brand-mark span{border-radius:.22rem;background:var(--ink)}
.brand-mark span:nth-child(2){background:var(--accent)}
.brand-mark span:nth-child(3){background:var(--mint)}
.brand-mark span:nth-child(4){background:#f59e0b}