:root{--bg:#0b1020;--panel:#11192b;--panel2:#141e32;--line:#26324a;--text:#f4f6fc;--muted:#9aa7bf;--soft:#687792;--mint:#8bf0c4;--mint-dark:#142e2c;--blue:#8ea8ff;--font:'DM Sans',sans-serif;--display:'Space Grotesk',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh;overflow-x:hidden;position:relative}.ambient{position:absolute;pointer-events:none;filter:blur(70px);opacity:.13;border-radius:50%;z-index:-1}.ambient-one{width:420px;height:420px;background:#4168ef;top:100px;left:-230px}.ambient-two{width:370px;height:370px;background:#27c89a;top:490px;right:-240px}.shell{width:min(1100px,calc(100% - 48px));margin:0 auto}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(141,158,190,.13)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);font:700 21px var(--display);letter-spacing:-.8px}.brand-light{font-weight:400;color:#aab5ca}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--mint);color:#0a1b20}.brand-mark svg{width:25px;fill:none;stroke:currentColor;stroke-width:1.6}.top-meta{font-size:10px;letter-spacing:1.7px;color:#7e8da9;font-weight:700;display:flex;align-items:center;gap:9px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px #8bf0c477;display:inline-block}.meta-divider{color:#3b4760}.hero{padding:65px 0 39px;max-width:650px}.eyebrow,.section-kicker{font-size:10px;letter-spacing:1.8px;color:var(--mint);font-weight:700}.eyebrow{display:flex;align-items:center;gap:10px}.eyebrow-line{height:1px;width:23px;background:var(--mint)}h1,h2,h3,p{margin-top:0}h1{font:600 clamp(46px,7vw,76px)/.99 var(--display);letter-spacing:-4px;margin:20px 0 18px}h1 span{color:var(--mint)}.hero-copy{font-size:15px;line-height:1.8;color:#9ba8bf;max-width:500px;margin-bottom:0}.workspace{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(270px,.85fr);gap:18px;align-items:stretch}.panel{background:linear-gradient(145deg,rgba(19,29,48,.97),rgba(15,23,39,.97));border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 45px #00000014}.checker-panel{padding:28px 30px 23px}.panel-heading,.result-top,.ports-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-heading{margin-bottom:27px}.section-kicker{color:#7789a8;font-size:9px;letter-spacing:1.65px;margin-bottom:8px}.panel h2,.ports-section h2{font:600 22px var(--display);letter-spacing:-.6px;margin:0}.shield-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#1b2b3d;color:var(--mint)}.shield-icon svg{width:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.check-form label{display:block;color:#aab6cb;font-size:9px;letter-spacing:1.2px;font-weight:700;margin-bottom:9px}.input-wrap{height:48px;display:flex;align-items:center;gap:11px;border:1px solid #303c53;background:#0c1424;border-radius:9px;padding:0 13px;transition:border .2s,box-shadow .2s}.input-wrap:focus-within{border-color:#80e6bd;box-shadow:0 0 0 3px #8bf0c413}.input-wrap svg{width:17px;height:17px;stroke:#6f809d;fill:none;stroke-width:1.6;flex-shrink:0}.input-wrap input{width:100%;border:0;outline:0;background:transparent;color:#f5f7ff;font:500 13px var(--font);min-width:0}.input-wrap input::placeholder{color:#52617b}.field-row{display:grid;grid-template-columns:.7fr 1.3fr;gap:14px;margin-top:20px}.select-wrap{position:relative}.select-wrap select{appearance:none;width:100%;height:48px;border:1px solid #303c53;background:#0c1424;border-radius:9px;padding:0 34px 0 12px;color:#cbd4e5;font:500 12px var(--font);outline:none}.select-wrap select:focus{border-color:#80e6bd}.select-chevron{position:absolute;right:13px;top:12px;color:#71819e;pointer-events:none}.primary-button{margin-top:24px;width:100%;height:49px;display:flex;align-items:center;justify-content:center;gap:12px;background:var(--mint);border:0;border-radius:9px;color:#08211d;font:700 13px var(--font);cursor:pointer;transition:transform .15s,background .2s,box-shadow .2s}.primary-button:hover{background:#a3f7d3;box-shadow:0 8px 22px #8bf0c420}.primary-button:active{transform:scale(.99)}.primary-button svg{width:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.primary-button:disabled{opacity:.7;cursor:wait}.form-footnote{display:flex;align-items:center;justify-content:center;gap:7px;color:#75839d;font-size:10px;margin:15px 0 0}.form-footnote svg{width:13px;height:13px;fill:none;stroke:#8ca0bd;stroke-width:1.5;flex-shrink:0}.side-column{display:flex;flex-direction:column;gap:14px}.info-panel{padding:26px 24px;flex:1}.info-panel>.section-kicker{margin-bottom:23px}.step{display:grid;grid-template-columns:34px 1fr;gap:12px;margin-bottom:21px}.step:last-child{margin-bottom:0}.step-number{display:grid;place-items:center;width:31px;height:31px;border:1px solid #34435b;border-radius:9px;color:var(--mint);font:600 10px var(--display)}.step h3{font-size:12px;font-weight:700;margin:2px 0 6px}.step p,.tip-card p{font-size:11px;line-height:1.65;color:#8d9bb3;margin:0}.tip-card{display:flex;align-items:flex-start;gap:12px;padding:17px 19px;border:1px solid #284b47;border-radius:14px;background:linear-gradient(120deg,#122a2b,#12222e)}.tip-icon{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:8px;background:#1b3e38;color:var(--mint);font-size:17px}.tip-card strong{font-size:11px;display:block;margin:2px 0 5px}.tip-card p{font-size:10px}.ports-section{padding:48px 0 55px}.ports-heading{margin-bottom:19px}.ports-caption{font-size:10px;color:#7787a3}.port-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.port-chip{display:flex;align-items:center;gap:9px;padding:12px 11px;background:#111a2b;border:1px solid #26334a;border-radius:10px;color:#b6c1d4;font:500 10px var(--font);cursor:pointer;transition:border .2s,background .2s;min-width:0}.port-chip:hover{border-color:#5b947f;background:#15262e}.chip-number{font:600 11px var(--display);color:var(--mint)}.chip-arrow{margin-left:auto;color:#5f718d;opacity:0;transition:opacity .2s}.port-chip:hover .chip-arrow{opacity:1}footer{border-top:1px solid #202a3e;min-height:77px;display:flex;align-items:center;gap:15px;color:#63718b;font-size:10px}footer p{margin:0}.footer-brand{font:700 13px var(--display);color:#a6b2c8}.footer-brand span{font-size:8px;vertical-align:top;margin-left:2px}.footer-status{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:1px}.footer-status .live-dot{width:5px;height:5px}.alert{font-size:12px;line-height:1.5;padding:11px 13px;border-radius:8px;margin-top:16px}.error-alert{background:#3a202a;border:1px solid #66313f;color:#ffc4cf}.error-alert span{display:inline-grid;place-items:center;border:1px solid #f19aaa;border-radius:50%;width:15px;height:15px;font-size:10px;margin-right:8px}.result-panel{padding:26px 28px;margin-top:18px;animation:rise .35s ease-out}.result-top{margin-bottom:23px}.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid #33445b;border-radius:100px;padding:7px 10px;font-size:9px;letter-spacing:1px;font-weight:700}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.status-open{color:var(--mint);background:#15322d;border-color:#285b4d}.status-closed{color:#ff9ca8;background:#35212d;border-color:#59313f}.status-filtered,.status-error{color:#f5ca86;background:#352c20;border-color:#5b492d}.result-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:11px}.result-main,.metric{background:#0d1525;border:1px solid #253149;border-radius:11px;padding:15px;min-width:0}.result-main{display:flex;align-items:flex-start;gap:12px}.result-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;flex-shrink:0}.result-icon svg{width:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.result-icon-open{background:#163a31;color:var(--mint)}.result-icon-closed{background:#3b202b;color:#ff9ca8}.result-icon-filtered,.result-icon-error{background:#3a3020;color:#f5ca86}.result-main h3{font-size:12px;margin:2px 0 7px}.result-main p{font-size:10px;line-height:1.6;color:#8d9bb3;margin:0;overflow-wrap:anywhere}.metric{display:flex;flex-direction:column;gap:8px}.metric>span{font-size:8px;letter-spacing:1.2px;color:#71819d;font-weight:700}.metric strong{font:600 17px var(--display);overflow-wrap:anywhere}.metric strong em{font:500 10px var(--font);color:#8b9ab4}.metric small{font-size:9px;color:#8290a9;line-height:1.4}.result-note{display:flex;align-items:flex-start;gap:9px;margin-top:15px;padding:12px 14px;border-radius:9px;background:#151f30;color:#7e90ac}.result-note span{color:var(--blue);font-size:13px}.result-note p{font-size:10px;line-height:1.6;margin:0}.loading-spinner{width:14px;height:14px;border:2px solid #17443b;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes rise{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:900px){.port-chips{grid-template-columns:repeat(3,1fr)}.result-grid{grid-template-columns:repeat(3,1fr)}.result-main{grid-column:1/-1}.workspace{grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr)}}
@media(max-width:650px){.shell{width:min(100% - 32px,500px)}.topbar{height:72px}.top-meta{font-size:8px;letter-spacing:1px;gap:6px}.brand{font-size:19px}.hero{padding:48px 0 30px}h1{letter-spacing:-2.8px}.hero-copy{font-size:13px}.workspace{grid-template-columns:1fr}.checker-panel{padding:23px 20px}.info-panel{padding:23px 20px}.side-column{gap:12px}.info-panel>.section-kicker{margin-bottom:19px}.step{margin-bottom:17px}.ports-section{padding:39px 0 42px}.port-chips{grid-template-columns:repeat(2,1fr)}.result-panel{padding:22px 17px}.result-grid{grid-template-columns:1fr 1fr}.result-main{grid-column:1/-1}.metric{padding:13px}.result-top{align-items:flex-start}.result-top h2{font-size:20px}.ports-caption{max-width:115px;text-align:right;line-height:1.5}footer{flex-wrap:wrap;gap:8px;padding:20px 0}.footer-status{width:100%;margin:3px 0 0}footer p{flex:1;line-height:1.5}.field-row{grid-template-columns:.8fr 1.2fr;gap:10px}.form-footnote{font-size:9px;line-height:1.5;align-items:flex-start;text-align:center}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}