:root{--bg:#07090d;--panel:#0e1219;--panel2:#111722;--text:#f4f7fb;--muted:#9aa7b7;--line:#232c3a;--blue:#58a6ff;--cyan:#42e8e0;--violet:#9c7cff;--green:#62d394;--yellow:#ffd166;--red:#ff6b6b;--max:1180px;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 70% -10%,#172246 0,transparent 30%),linear-gradient(180deg,#07090d 0,#090c12 100%);color:var(--text);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{max-width:var(--max);margin:auto;padding:0 22px}.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);background:rgba(7,9,13,.78);border-bottom:1px solid rgba(255,255,255,.07)}.nav-in{height:70px;display:flex;align-items:center;gap:24px}.brand{font-weight:850;font-size:22px;letter-spacing:-.6px}.brand span{color:var(--cyan)}.navlinks{display:flex;gap:20px;margin-left:auto;color:#bec7d5;font-size:14px}.navlinks a:hover{color:white}.nav-cta{padding:10px 14px;border-radius:10px;background:white;color:#0b0e13;font-weight:750}.menu{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:white;border-radius:9px;padding:8px 10px}.hero{padding:92px 0 60px;text-align:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:6px 11px;border:1px solid #263249;background:#0b1120;border-radius:999px;color:#bdc8dc;font-size:13px}.dot{width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 14px var(--cyan)}h1{font-size:clamp(42px,7vw,82px);line-height:1.02;letter-spacing:-3px;max-width:950px;margin:25px auto 22px}.gradient{background:linear-gradient(90deg,#fff 20%,#9fd0ff 52%,#b69aff 85%);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{max-width:760px;margin:0 auto;color:var(--muted);font-size:19px}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:11px;border:1px solid var(--line);background:#111722;color:white;font-weight:750}.btn.primary{background:linear-gradient(135deg,#fff,#dcecff);color:#07101a;border:0}.btn:hover{transform:translateY(-1px)}.pipeline{margin:46px auto 0;display:grid;grid-template-columns:repeat(7,1fr);gap:8px;max-width:1000px}.pipe{padding:15px 8px;border:1px solid var(--line);border-radius:13px;background:rgba(14,18,25,.78);font-size:13px;color:#dbe3ef;position:relative}.pipe:not(:last-child)::after{content:'→';position:absolute;right:-10px;top:14px;color:#4f5d72}.section{padding:72px 0}.section.alt{background:rgba(255,255,255,.018);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}.kicker{color:var(--cyan);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1.6px}.section h2{font-size:clamp(32px,4vw,52px);line-height:1.08;letter-spacing:-1.8px;margin:8px 0 12px}.section-copy{color:var(--muted);max-width:720px;margin-bottom:28px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid.four{grid-template-columns:repeat(4,1fr)}.card{background:linear-gradient(180deg,#101620,#0d121a);border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-height:170px;transition:.2s}.card:hover{border-color:#3b4960;transform:translateY(-2px)}.icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#172238,#18224d);border:1px solid #2a3857;font-size:20px;margin-bottom:18px}.card h3{margin:0 0 7px;font-size:19px}.card p{margin:0;color:var(--muted);font-size:14px}.arrow{display:inline-block;margin-top:18px;color:#d7e5f7;font-weight:700;font-size:13px}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.step{padding:18px;border:1px solid var(--line);border-radius:16px;background:#0d121a}.step .num{font-size:12px;color:var(--cyan);font-weight:800}.step h3{margin:7px 0 10px}.step ul{list-style:none;margin:0;padding:0;color:var(--muted);font-size:13px}.step li{padding:4px 0}.callout{padding:34px;border:1px solid #2c3951;border-radius:22px;background:radial-gradient(circle at 100% 0,#182551 0,transparent 42%),#0d121a}.callout h3{font-size:30px;margin:0 0 8px}.footer{padding:50px 0 25px;border-top:1px solid var(--line);color:var(--muted)}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:20px}.footer h4{color:white;margin:0 0 10px}.footer a{display:block;padding:3px 0;font-size:14px}.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:13px}.page-head{padding:64px 0 34px}.page-head h1{font-size:clamp(40px,6vw,66px);text-align:left;margin:0 0 14px;max-width:920px}.page-head p{max-width:760px;color:var(--muted);font-size:18px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid #31405d;font-size:11px;font-weight:800;color:#dce6f7;margin-bottom:12px}.badge.pro{color:#f0ddff;border-color:#5d3c75;background:#1a1023}.badge.free{color:#d3ffe6;border-color:#285542;background:#0d2118}.filterbar{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 26px}.filter{padding:8px 12px;border-radius:999px;background:#0d121a;color:#b8c3d2;border:1px solid var(--line);cursor:pointer}.filter.active,.filter:hover{color:#fff;border-color:#4c5b73}.search{width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:#0d121a;color:white;outline:none}.search:focus{border-color:#59749b}.content{max-width:850px}.content h2{font-size:28px;margin-top:42px}.content h3{font-size:20px;margin-top:27px}.content p,.content li{color:#c3cbd7}.content pre{overflow:auto;padding:18px;border-radius:15px;background:#080b10;border:1px solid var(--line);color:#d5e6f9}.content code{font-family:"SFMono-Regular",Consolas,monospace}.check-section{margin:18px 0 26px}.check-section h3{margin-bottom:10px}.check-item{display:flex;gap:12px;padding:11px 12px;border:1px solid #1e2734;border-radius:11px;background:#0b0f15;margin:7px 0;color:#d7dee8}.check-item input{accent-color:#63d7ca;margin-top:5px}.progress{height:10px;background:#151c27;border-radius:999px;overflow:hidden}.progress>div{height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));width:0}.progressline{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin:8px 0}.score-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start}.question{padding:18px;border:1px solid var(--line);border-radius:14px;background:#0d121a;margin-bottom:12px}.question strong{display:block;margin-bottom:12px}.opts{display:flex;gap:8px;flex-wrap:wrap}.opt{cursor:pointer}.opt input{display:none}.opt span{display:block;padding:8px 11px;border:1px solid #2a3444;border-radius:9px;color:#b8c3d2;font-size:13px}.opt input:checked+span{color:#07101a;background:#dff9f6;border-color:#dff9f6}.scorebox{position:sticky;top:92px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#0d121a}.scorebig{font-size:64px;line-height:1;font-weight:850;letter-spacing:-3px}.muted{color:var(--muted)}.metric{margin:12px 0}.metricrow{display:flex;justify-content:space-between;font-size:13px}.challenge-code{margin-top:16px}.reveal{display:none;margin-top:16px;padding:16px;border-radius:12px;background:#0c1714;border:1px solid #244a3d}.reveal.show{display:block}.notice{padding:14px 16px;border:1px solid #3a4250;border-radius:12px;background:#11151d;color:#bdc7d5;font-size:13px}.price{font-size:32px;font-weight:850;margin:12px 0}.small{font-size:13px;color:var(--muted)}
@media(max-width:900px){.navlinks,.nav-cta{display:none}.menu{display:block}.nav.open .navlinks{display:flex;position:absolute;left:12px;right:12px;top:66px;flex-direction:column;background:#0b0f15;border:1px solid var(--line);padding:16px;border-radius:14px}.grid,.grid.four{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr)}.pipeline{grid-template-columns:1fr}.pipe:not(:last-child)::after{content:'↓';right:50%;top:auto;bottom:-17px}.score-layout{grid-template-columns:1fr}.scorebox{position:relative;top:auto}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:580px){h1{letter-spacing:-2px}.grid,.grid.four,.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.hero{padding-top:62px}.section{padding:54px 0}.card{min-height:0}.actions .btn{width:100%}}