:root{--bg:#f7f8fc;--surface:#ffffff;--text:#111827;--muted:#697386;--line:#e5e7eb;--accent:#4f46e5;--accent-dark:#3730a3;--soft:#eef2ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:74px;gap:28px}.brand,.nav{display:flex;align-items:center}.brand{gap:10px;font-weight:800;line-height:1.05;margin-right:auto}.brand small{color:var(--muted);font-weight:600}.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:white;background:var(--accent)}nav{display:flex;gap:20px;color:#4b5563;font-size:14px}.login-link:hover,nav a:hover{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:16px}.button,.login-link{font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:12px 18px;font-weight:700;cursor:pointer}.primary,.small-button{background:var(--accent);color:white}.primary:hover,.small-button:hover{background:var(--accent-dark)}.secondary{background:white;border:1px solid var(--line)}.small-button{padding:9px 14px}.hero{padding:88px 0;background:radial-gradient(circle at 80% 20%,#e9e7ff,transparent 32%),white}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;grid-gap:70px;gap:70px;align-items:center}.eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}h1{font-size:clamp(42px,7vw,76px);line-height:.98;letter-spacing:-.05em;margin:0 0 22px}h1 span{color:var(--accent)}h2{font-size:36px;letter-spacing:-.035em;margin:0 0 12px}h3{font-size:20px;margin:8px 0}p{color:var(--muted);line-height:1.7}.hero-text{font-size:18px;max-width:620px}.actions{display:flex;gap:12px;margin-top:28px}.hero-card{min-height:330px;border:1px dashed #b8b9c8;border-radius:24px;background:#fbfbfe;display:grid;place-items:center;align-content:center;text-align:center}.logo-placeholder{width:130px;height:130px;border-radius:30px;display:grid;place-items:center;border:1px dashed #9ca3af;color:#9ca3af;font-weight:800}.hero-card p{margin:18px 0 2px;font-weight:700;color:#4b5563}.hero-card small{color:#9ca3af}.section{padding:82px 0}.muted{background:#f0f1f7}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:30px}.cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.card,.info-card,.stats>div{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px}.card-number{color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.12em}.two-col{display:grid;grid-template-columns:1fr 1fr;grid-gap:70px;gap:70px;align-items:start}.feature-list{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden}.feature-list div{display:flex;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line)}.feature-list div:last-child{border-bottom:0}.feature-list b,.text-link{color:var(--accent)}.text-link{font-weight:800}.page{padding:75px 0 100px;min-height:70vh}.lead{font-size:18px;max-width:720px}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:18px;gap:18px;margin-top:40px}.narrow{max-width:720px}.form{display:grid;grid-gap:18px;gap:18px;margin-top:30px}.form label{display:grid;grid-gap:8px;gap:8px;font-size:14px;font-weight:700}input,select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;background:white;font:inherit}.notice{margin-top:30px;padding:24px;background:var(--soft);border-radius:16px;border:1px solid #dfe3ff}.notice p{margin-bottom:0}.small{font-size:13px}.small a{color:var(--accent);font-weight:700}.leaderboard-placeholder{display:grid;grid-template-columns:70px 1fr 160px 120px;margin-top:35px;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.leaderboard-placeholder>div{padding:16px 18px;border-bottom:1px solid var(--line)}.stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;margin-top:35px}.stats>div{display:flex;flex-direction:column;gap:10px}.stats span{color:var(--muted);font-size:13px}.stats b{font-size:30px}.footer{border-top:1px solid var(--line);background:white}.footer-inner{min-height:120px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer p{margin:5px 0 0;font-size:13px}.footer span{color:var(--muted);font-size:12px}@media (max-width:850px){nav{display:none}.hero-grid,.two-col{gap:35px}.cards,.hero-grid,.stats,.two-col{grid-template-columns:1fr}.section-heading{display:block}.hero{padding:60px 0}}@media (max-width:520px){.container{width:min(100% - 28px,1120px)}.login-link{display:none}.brand{font-size:13px}h1{font-size:48px}.leaderboard-placeholder{grid-template-columns:45px 1fr 80px 70px;font-size:12px}}body{font-size:16px}.page h1{font-size:clamp(32px,5vw,54px);line-height:1.1}.page h2{font-size:28px;line-height:1.2}.capitalize{text-transform:capitalize}.section-title{margin-top:40px}.filters{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px;margin:28px 0}.filters label{display:grid;grid-gap:8px;gap:8px}.table-wrap{overflow-x:auto;margin:24px 0}table{width:100%;border-collapse:collapse;background:white}td,th{text-align:left;padding:14px;border-bottom:1px solid var(--line);font-size:14px}th{background:var(--soft)}button:disabled{opacity:.55;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.test-bar{position:-webkit-sticky;position:sticky;top:74px;background:var(--surface);border:1px solid var(--line);padding:16px;display:flex;justify-content:space-between;gap:16px;z-index:5}.test-bar h2{margin:0}.test-bar strong{font-size:28px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.memory-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));grid-gap:8px;gap:8px;margin:24px 0}.memory-grid.digits{grid-template-columns:repeat(10,minmax(0,1fr))}.memory-cell{background:white;border:1px solid var(--line);border-radius:8px;min-height:86px;padding:8px;display:grid;grid-gap:6px;gap:6px;align-content:start}.memory-cell>span{font-size:12px;color:var(--muted)}.memory-cell strong{font-size:16px;overflow-wrap:anywhere}.memory-cell input,.memory-cell select{padding:8px 4px;min-width:0;font-size:16px}.mobile-menu{display:none}.mobile-menu summary{cursor:pointer;padding:12px 0}.mobile-menu div{display:flex;flex-wrap:wrap;gap:20px;padding:12px 0}.card-number,.eyebrow,.footer p,.footer span,.small,.stats span{font-size:14px}@media (max-width:850px){.mobile-menu{display:block}.filters{grid-template-columns:1fr}.memory-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.memory-grid.digits{grid-template-columns:repeat(8,minmax(0,1fr))}.memory-cell{padding:4px}.test-bar{top:0}.memory-cell strong{font-size:14px}.nav{gap:12px}.page{padding-top:40px}}.team-section{margin-top:48px;text-align:center}.team-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:28px;gap:28px;margin-top:24px}.team-founder{grid-column:2}.team-card:nth-child(2){grid-column:1;grid-row:2}.team-card:nth-child(3){grid-column:2;grid-row:2}.team-card:nth-child(4){grid-column:3;grid-row:2}.team-photo{width:100%;aspect-ratio:1;object-fit:cover;border-radius:16px;display:block;margin-bottom:20px}.team-card h3{overflow-wrap:anywhere}@media (max-width:650px){.team-grid{grid-template-columns:1fr;max-width:360px;margin-inline:auto}.team-grid>.team-card{grid-column:1;grid-row:auto}}