@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#07152e;--blue:#2c63f5;--cyan:#6de0ec;--muted:#66758e;--line:#dce5f2;--paper:#f6f9fe}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Manrope,Arial,sans-serif}a{text-decoration:none;color:inherit}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}header{position:sticky;top:0;z-index:10;background:#f6f9fef2;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.12em}.brand img{width:40px;height:40px;object-fit:contain;border-radius:50%}.brand small{display:block;color:var(--muted);font:10px 'DM Mono',monospace;letter-spacing:.12em;margin-top:2px}.nav nav{display:flex;gap:25px;align-items:center;font-size:13px;font-weight:700;color:#55647d}.nav nav>a:hover{color:var(--blue)}.langs{display:flex;gap:7px;border-left:1px solid var(--line);padding-left:18px}.langs a{font-size:11px}.langs .active{color:var(--blue)}.menu{display:none;background:none;border:0;font-size:24px}.hero{background:var(--ink);color:white;overflow:hidden}.hero-grid{min-height:555px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:30px}.kicker{font:11px 'DM Mono',monospace;letter-spacing:.15em;color:var(--blue);text-transform:uppercase;margin:0 0 18px}.hero .kicker{color:var(--cyan)}h1,h2,h3{line-height:1.1;letter-spacing:-.05em}h1{font-size:clamp(40px,5.8vw,72px);max-width:750px;margin:0 0 22px}.hero-lead{font-size:19px;color:#a9b8cf;max-width:620px}.hero-meta{display:flex;flex-wrap:wrap;gap:22px;color:#e0e8f4;font-size:13px;margin-top:30px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;gap:18px;padding:13px 19px;border-radius:7px;font-size:13px;font-weight:800}.primary{background:var(--blue);color:white}.outline{border:1px solid #536987;color:#e7eef8}.hero-mark{height:350px;display:grid;place-items:center;position:relative}.lock{width:195px;height:195px;border:1px solid #6de0ec88;border-radius:50%;display:grid;place-items:center;color:var(--cyan);font:70px Georgia;text-align:center;box-shadow:0 0 80px #2c63f54d}.lock small{font:10px 'DM Mono',monospace;color:white;line-height:1.6}.ring{position:absolute;border:1px solid #6de0ec33;border-radius:50%;transform:rotate(-25deg)}.r1{width:430px;height:145px}.r2{width:300px;height:370px;transform:rotate(44deg)}.section{padding:96px 0}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.section h2,.contact h2{font-size:clamp(32px,4vw,49px);margin:0 0 18px}.large{font-size:19px;color:var(--muted)}.info-card{background:white;border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:23px}.info-card span{display:block;color:var(--blue);font:10px 'DM Mono',monospace;letter-spacing:.1em;margin-bottom:6px}.info-card b{font-size:15px}.section-title{margin:70px 0 20px;font-size:25px}.tour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tour-grid article{background:#fff;border:1px solid var(--line);padding:24px;border-radius:13px}.tour-grid i{font:12px 'DM Mono',monospace;color:var(--blue);font-style:normal}.tour-grid h3{font-size:21px;margin:40px 0 8px}.tour-grid p{color:var(--muted);margin:0}.rule-note{margin-top:30px;border-left:3px solid var(--cyan);padding:12px 0 12px 20px;color:var(--muted)}.rule-note b{color:var(--ink);margin-right:15px}.results{background:white}.results h2{margin-bottom:35px}.result-tabs{display:grid;grid-template-columns:1fr 1fr;gap:30px}.result-tabs article{border:1px solid var(--line);border-radius:14px;overflow:hidden}.result-tabs h3{font-size:21px;padding:21px 24px;margin:0;background:var(--ink);color:white}.result-tabs table{width:100%;border-collapse:collapse;font-size:13px}.result-tabs th,.result-tabs td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}.result-tabs th{font:10px 'DM Mono',monospace;color:var(--muted);text-transform:uppercase}.result-tabs td:last-child{text-align:right;color:var(--blue)}.contact{background:#eaf1fb;padding:75px 0}.contact-row{display:flex;align-items:center;justify-content:space-between}.contact-row img{width:115px;height:115px;object-fit:cover;border-radius:50%;border:8px solid white}footer{background:var(--ink);color:#b3bfd1;padding:26px 0;font:12px 'DM Mono',monospace}footer .wrap{display:flex;justify-content:space-between}.tasks-page{padding:80px 0}.tasks-page h1{font-size:clamp(36px,5vw,60px);margin-bottom:10px}.hint{color:var(--muted);margin-bottom:55px}.tasks-page h2{font-size:30px;margin:45px 0 20px}.task-card{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:24px;background:white;border:1px solid var(--line);border-radius:13px;margin:12px 0}.task-num{font:14px 'DM Mono',monospace;color:var(--blue);padding-top:3px}.task-card h3{font-size:18px;letter-spacing:-.02em;margin:0 0 20px}.task-card details{border-top:1px solid var(--line);padding-top:13px}.task-card summary{cursor:pointer;color:var(--blue);font-weight:800;font-size:13px}.solution{margin-top:15px;padding:17px;background:#f4f8fe;border-left:3px solid var(--cyan);color:#485a76}.solution b{color:var(--ink)}@media(max-width:780px){.wrap{width:min(100% - 32px,600px)}.nav nav{display:none}.nav nav.open{display:flex;position:absolute;top:78px;left:0;right:0;background:white;padding:20px;flex-direction:column;align-items:flex-start}.menu{display:block}.hero-grid{grid-template-columns:1fr;padding:70px 0}.hero-mark{height:220px}.lock{width:145px;height:145px;font-size:48px}.r1{width:290px}.r2{width:220px;height:280px}.intro-grid,.result-tabs{grid-template-columns:1fr;gap:30px}.tour-grid{grid-template-columns:1fr}.section{padding:70px 0}.rule-note b{display:block;margin-bottom:8px}.contact-row{align-items:flex-start}.tasks-page{padding:55px 0}.task-card{grid-template-columns:35px 1fr;padding:18px}.footer .wrap,footer .wrap{display:block}footer small{display:block;margin-top:8px}}
 .task-condition{margin:12px 0 16px;padding:18px;background:#f8fbff;border-left:3px solid var(--blue);color:#30435f;border-radius:0 8px 8px 0}.task-condition p{margin:0}.task-condition b{color:var(--ink)}