:root{font-family:system-ui,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:#f4f0e8;background:#0b0b0d;line-height:1.65}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,textarea{font:inherit}button{cursor:pointer}a{color:inherit}a:hover{color:#ff826e}
    :focus-visible{outline:3px solid #ff826e;outline-offset:4px}.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:#111;padding:10px;z-index:99}.skip:focus{left:8px}
    .wrap{width:min(1160px,calc(100% - 40px));margin:auto}.eyebrow{font:700 .76rem/1.4 ui-monospace,Consolas,monospace;letter-spacing:.16em;text-transform:uppercase;color:#ff826e}
    .topbar{border-bottom:1px solid #363439}.topbar .wrap{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:900;text-decoration:none;letter-spacing:-.06em;font-size:1.5rem}.brand span{color:#ff826e}.topbar nav{display:flex;gap:22px;overflow:auto;white-space:nowrap}.topbar nav a{font-size:.88rem;text-decoration:none;color:#d9d5ce}
    .hero{padding:95px 0 88px;border-bottom:1px solid #363439;background:radial-gradient(circle at 84% 25%,#542b2b 0,transparent 33%),#0b0b0d}.hero .layout{display:grid;grid-template-columns:1.5fr .8fr;gap:50px;align-items:end}.hero h1{font-size:clamp(3rem,7.6vw,7.4rem);line-height:1.05;letter-spacing:-.078em;margin:24px 0 28px;max-width:900px}.hero h1 em{color:#ff826e;font-style:normal}.hero .intro{font-size:clamp(1.08rem,2vw,1.35rem);max-width:700px;color:#d7d1c9}.hero aside{border-left:1px solid #ff826e;padding:2px 0 2px 24px;color:#d7d1c9}.hero aside strong{display:block;color:#fff;font-size:1.25rem;margin-bottom:8px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:35px}
    .button{border:1px solid #ff826e;background:#ff826e;color:#171214;border-radius:3px;padding:12px 20px;min-height:46px;font-weight:800;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.button:hover{background:#ffab9b;color:#171214}.button.secondary{background:transparent;color:#f4f0e8;border-color:#777078}.button.secondary:hover{border-color:#ff826e;color:#ff826e}
    section{padding:90px 0;border-bottom:1px solid #363439;scroll-margin-top:18px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{font-size:clamp(2rem,4.5vw,4.1rem);line-height:1.1;letter-spacing:-.06em;margin:12px 0 0}.section-head p{max-width:390px;color:#bcb7b0;margin:0}.small{font-size:.9rem;color:#aaa39b}.accent{color:#ff826e}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:#39343a;border:1px solid #39343a}.flow article{background:#151417;min-height:210px;padding:25px}.flow b{font:700 1.55rem ui-monospace,Consolas,monospace;color:#ff826e}.flow h3{font-size:1.25rem;margin:22px 0 6px}.flow p{color:#bbb5ad;margin:0}.flow-note{margin:18px 0 0;color:#cbc4bc}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.plain-card{border:1px solid #3c383c;background:#151417;padding:28px}.plain-card h3{font-size:1.4rem;margin:3px 0 12px}.plain-card p{color:#c4bdb5;margin:0 0 10px}.plain-card .big{font-size:2.4rem;line-height:1.2;font-weight:900;color:#ff826e}.line{border-top:1px solid #3b373b;margin:18px 0}
    .light{background:#f1ede5;color:#141316}.light .eyebrow{color:#c04435}.light .section-head p,.light .small{color:#565158}.light .section-head{margin-bottom:36px}.light .plain-card{background:#fffdf8;border-color:#d4cfc6}.light .plain-card p{color:#514c49}.light .line{border-color:#ddd6cc}.light .plain-card .big{color:#bc4336}
    .table-scroll{overflow-x:auto;border:1px solid #d4cfc6}.spec{border-collapse:collapse;width:100%;min-width:640px;background:#fffdf8}.spec th,.spec td{padding:13px 16px;text-align:left;border-bottom:1px solid #e5ded5}.spec th{background:#e8e2d8;font-size:.83rem}.spec tr:last-child td{border-bottom:0}.spec code{font-size:.91rem}
    .step-list{display:grid;gap:0;border-top:1px solid #ccc5ba}.step-row{display:grid;grid-template-columns:75px 1fr;gap:22px;padding:25px 0;border-bottom:1px solid #ccc5ba}.step-row .number{font:700 2.1rem ui-monospace,Consolas,monospace;color:#c04435}.step-row h3{font-size:1.25rem;margin:0 0 6px}.step-row p{margin:0;color:#514c49}.step-row .path{display:inline-block;margin-top:8px;padding:5px 9px;background:#ded7cd;color:#1c191b;font-weight:750}
    .notice{border-left:4px solid #d14e3e;background:#fff8ec;padding:16px 20px;margin-top:22px;color:#292226}.notice strong{color:#a3352a}
    .demo-shell{display:grid;grid-template-columns:1fr 1.13fr;gap:20px}.demo-panel,.result-panel{border:1px solid #484247;background:#151417;padding:26px;min-width:0}.mode-tabs{display:flex;gap:8px;margin:16px 0}.mode-tabs button{border:1px solid #675c61;background:transparent;color:#eee9e2;padding:9px 18px;font-weight:800;min-height:44px}.mode-tabs button[aria-pressed="true"]{background:#ff826e;border-color:#ff826e;color:#171214}.demo-panel label{display:block;font-weight:750;margin:14px 0 8px}.demo-panel textarea{display:block;width:100%;height:248px;resize:vertical;border:1px solid #8e8588;background:#f8f6f1;color:#18171a;padding:12px;line-height:1.6;font-family:ui-monospace,Consolas,"Malgun Gothic",monospace;font-size:.88rem;white-space:pre}.demo-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.demo-panel .small{margin:12px 0 0}.status{min-height:24px;color:#ffab9b;font-weight:700;margin-top:14px}.result-panel h3{font-size:1.5rem;margin:0 0 14px}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.kpi{border:1px solid #484247;padding:13px;min-width:0}.kpi span{display:block;color:#aaa49e;font-size:.83rem}.kpi strong{display:block;font-size:clamp(1rem,2.2vw,1.4rem);word-break:break-all}.chart{display:grid;gap:14px;margin-top:28px}.chart-row{display:grid;grid-template-columns:105px 1fr 92px;gap:10px;align-items:center;font-size:.88rem}.track{height:20px;background:#342f34;position:relative}.fill{height:100%;background:#ff826e;min-width:2px}.fill.alt{background:#aca69f}.fill.negative{background:#ff3e4b}.chart-value{text-align:right;font-variant-numeric:tabular-nums}.result-table{width:100%;border-collapse:collapse;margin-top:26px;font-size:.9rem}.result-table th,.result-table td{padding:9px 6px;text-align:left;border-bottom:1px solid #484247}.result-table td:last-child{text-align:right}.warning{color:#ff927e;font-weight:750}.errors{padding-left:22px;color:#ffab9b}.errors li{margin:5px 0}
    .check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.check{border:1px solid #d4cfc6;background:#fffdf8;padding:22px}.check h3{margin:0 0 8px}.check ul{margin:0;padding-left:20px;color:#514c49}.check li{margin:7px 0}
    .prompt{background:#161417;color:#f4f0e8;padding:22px;white-space:pre-wrap;overflow-wrap:anywhere;border-left:4px solid #ff826e;font-family:ui-monospace,Consolas,"Malgun Gothic",monospace;font-size:.9rem}.sources{margin:0;padding-left:20px}.sources li{margin:9px 0}.sources a{text-decoration-thickness:1px;text-underline-offset:3px}.footer{padding:38px 0 55px;color:#a9a39d}.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
    @media(max-width:850px){.hero .layout,.demo-shell{grid-template-columns:1fr}.hero aside{max-width:600px}.flow{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:16px}}
    @media(max-width:620px){.wrap{width:min(100% - 30px,1160px)}.topbar .wrap{display:block;padding:15px 0}.topbar nav{margin-top:10px;gap:17px}.hero{padding:64px 0}.hero h1{letter-spacing:-.07em}.flow,.split,.check-grid{grid-template-columns:1fr}.flow article{min-height:0}.kpis{grid-template-columns:1fr}.chart-row{grid-template-columns:75px 1fr 77px;font-size:.78rem}.step-row{grid-template-columns:47px 1fr;gap:10px}section{padding:65px 0}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
    @media print{:root{color:#111;background:white}.topbar,.actions,.demo-panel,.mode-tabs{display:none!important}.hero,section,.light{background:white!important;color:#111!important;padding:20px 0;border-color:#aaa}.hero h1{font-size:3rem}.hero h1 em,.eyebrow,.accent{color:#a3352a!important}.hero aside,.section-head p,.flow p,.plain-card p,.small,.step-row p{color:#333!important}.flow,.split,.check-grid{display:block}.flow article,.plain-card,.check,.demo-panel,.result-panel{break-inside:avoid;background:white;color:#111;border:1px solid #aaa;margin:9px 0;min-height:0}.result-panel{display:block!important}.chart-row,.kpi,.result-table{color:#111}.track{background:#ddd}.footer{color:#333}}