@font-face{font-family:Montserrat;src:url('assets/montserrat-latin.ttf') format('truetype');font-style:normal;font-weight:400 800;font-display:swap}
:root{color-scheme:dark;--bg:#04070b;--panel:#0c1a27;--card:#1e2734;--text:#fcfcfc;--muted:#d1d5db;--blue:#1f99e5;--blue-dark:#1680c0;--line:#283747;--coral:#ff7a7a;--green:#78d7aa;--max:860px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{color:#7bc7f4;text-underline-offset:3px}a:hover{color:#b4e3ff}img{max-width:100%}.skip{position:absolute;left:-9999px;top:0;padding:.5rem 1rem;background:var(--blue);color:var(--bg);z-index:50}.skip:focus{left:1rem}.loading{min-height:60vh;display:grid;place-items:center;color:var(--muted)}.shell{max-width:var(--max);margin:auto;padding:0 24px}.topbar{position:sticky;top:0;z-index:20;background:rgba(4,7,11,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.topbar-inner{max-width:1200px;margin:auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-family:Montserrat,system-ui,sans-serif;font-weight:700;white-space:nowrap}.brand img{height:30px;width:30px;object-fit:contain}.brand span span{color:var(--blue)}.top-actions{display:flex;align-items:center;gap:12px}.steps-nav{display:flex;align-items:center;gap:15px;list-style:none;margin:0;padding:0}.steps-nav a{color:var(--muted);text-decoration:none;font-size:.8rem;white-space:nowrap}.steps-nav a:hover{color:var(--text)}.steps-nav b{display:inline-grid;place-items:center;width:23px;height:23px;border:1px solid var(--line);border-radius:50%;font-size:.72rem;color:var(--blue);margin-right:4px}.lang-switch,.mode-switch{display:inline-flex;border:1px solid var(--line);border-radius:999px;background:var(--card);padding:3px;gap:2px}.lang-switch button,.mode-switch button{border:0;background:none;color:var(--muted);padding:5px 10px;border-radius:999px;font-size:.78rem;white-space:nowrap}.lang-switch button[aria-pressed=true],.mode-switch button[aria-pressed=true]{background:#2d4159;color:var(--text);font-weight:700}.hero{padding:106px 0 54px;border-bottom:1px solid var(--line)}.eyebrow{font:700 .73rem/1.3 Montserrat,system-ui,sans-serif;text-transform:uppercase;letter-spacing:.17em;color:var(--blue);margin:0 0 20px}h1,h2,h3{font-family:Montserrat,system-ui,sans-serif;line-height:1.18;letter-spacing:-.035em}h1{font-size:clamp(3.2rem,8vw,5.3rem);margin:0 0 24px;max-width:760px}h1 em{font-style:normal;color:var(--blue)}h2{font-size:clamp(2rem,4.8vw,2.75rem);margin:0 0 20px}h3{font-size:1.15rem;margin:0 0 10px}.lead{font-size:clamp(1.06rem,2.3vw,1.35rem);color:var(--muted);max-width:720px;margin:0 0 24px}.meta-line{display:flex;flex-wrap:wrap;gap:6px 20px;color:#a9bacb;font-size:.82rem}.meta-line span::before{content:'·';color:var(--blue);margin-right:8px}.meta-line span:first-child::before{content:none;margin:0}.section{padding:72px 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}.section-intro{color:var(--muted);margin:-6px 0 24px}.section-head{display:flex;align-items:baseline;gap:15px}.step-number{font:700 1rem Montserrat,system-ui,sans-serif;color:var(--blue);flex:0 0 auto}.question{margin-bottom:28px}.question-label{font-family:Montserrat,system-ui,sans-serif;font-size:1.24rem;font-weight:700;line-height:1.3;margin:0 0 8px}.small{font-size:.87rem;color:var(--muted)}.choice-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 28px}.choice-card,.device-card{display:block;width:100%;border:1px solid var(--line);background:var(--panel);color:var(--text);text-align:left;border-radius:14px;transition:border-color .2s,transform .2s,background .2s}.choice-card{padding:18px 20px;min-height:98px}.choice-card:hover,.device-card:hover{border-color:#547692;transform:translateY(-2px)}.choice-card[aria-pressed=true],.device-card[aria-pressed=true]{border:2px solid var(--blue);background:#102236}.choice-card strong{display:block;font-family:Montserrat,system-ui,sans-serif;font-size:1rem;line-height:1.3}.choice-card span{display:block;color:var(--muted);font-size:.85rem;margin-top:5px}.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.device-card{padding:0;overflow:hidden}.device-image{display:grid;place-items:center;background:#15202c;aspect-ratio:4/3;overflow:hidden}.device-image img{width:100%;height:100%;object-fit:contain;padding:15px}.device-copy{padding:14px 16px 16px}.device-copy strong{display:block;font:700 .92rem/1.28 Montserrat,system-ui,sans-serif}.device-copy span{display:block;color:var(--muted);font-size:.76rem;margin-top:5px}.generation{margin:42px 0 14px;color:#9cb1c5;font:700 .72rem Montserrat,system-ui,sans-serif;text-transform:uppercase;letter-spacing:.13em}.gen2{display:flex;align-items:center;gap:22px;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:18px;margin-top:12px}.gen2 img{width:175px;height:112px;object-fit:cover;border-radius:8px}.gen2 p{margin:4px 0 8px;color:var(--muted);font-size:.88rem}.version-select{width:min(100%,360px);background:var(--card);border:1px solid #58718b;border-radius:9px;color:var(--text);padding:12px 14px;margin:10px 0 0}.note{border-left:3px solid var(--blue);background:var(--panel);padding:14px 18px;border-radius:0 9px 9px 0;margin:20px 0;color:var(--muted)}.note.warning{border-color:var(--coral)}.note.success{border-color:var(--green)}.note strong{color:var(--text)}.download-panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;margin:22px 0}.download-panel h3{margin-bottom:7px}.download-panel p{margin:7px 0 16px;color:var(--muted)}.download-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--blue);border-radius:9px;background:var(--blue);color:#04070b;text-decoration:none;padding:12px 18px;font:700 .88rem Montserrat,system-ui,sans-serif;line-height:1.35}.button:hover{background:#75c6f6;color:#04070b}.button.secondary{background:transparent;color:var(--text);border-color:#58718b}.button.secondary:hover{background:var(--card);color:var(--text)}.button.ghost{background:none;border-color:transparent;color:#7bc7f4;padding:8px 0}.button:focus-visible,.choice-card:focus-visible,.device-card:focus-visible,.mode-switch button:focus-visible,.lang-switch button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.file-drop{position:relative;display:grid;place-items:center;text-align:center;gap:8px;min-height:195px;padding:28px;border:2px dashed #477294;border-radius:16px;background:#0e1b29;cursor:pointer}.file-drop.dragover{border-color:var(--blue);background:#142a3d}.file-drop strong{font:700 1.06rem Montserrat,system-ui,sans-serif}.file-drop span{color:var(--muted);font-size:.88rem}.file-drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.file-drop:focus-within{outline:3px solid var(--blue);outline-offset:3px}.progress-wrap{height:7px;background:var(--card);border-radius:999px;overflow:hidden;margin:16px 0}.progress-bar{height:100%;background:var(--blue);transition:width .2s}.result{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.result.ok{border-color:#367b65}.result.bad{border-color:#a74b55}.result.warn{border-color:#9a7b44}.result h3{display:flex;align-items:center;gap:8px}.result p{color:var(--muted)}.fact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.fact{padding:14px;background:var(--card);border-radius:9px;min-width:0}.fact label{display:block;color:#a8bbcb;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}.fact div{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.8rem;color:var(--text)}.instruction-list{counter-reset:install;list-style:none;margin:22px 0;padding:0}.instruction-list li{counter-increment:install;display:grid;grid-template-columns:35px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}.instruction-list li::before{content:counter(install);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--card);color:var(--blue);font-weight:700;font-size:.8rem}.instruction-list li p{margin:0;color:var(--muted)}.instruction-list li strong{color:var(--text)}.board-guide{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(200px,1fr);gap:18px;margin:22px 0;background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:12px}.board-guide figure{margin:0;position:relative}.board-guide img{width:100%;display:block;border-radius:8px}.board-guide figcaption{font-size:.72rem;color:#a6b5c3;margin-top:5px}.board-guide .board-text{font-size:.86rem;color:var(--muted)}.board-guide .board-text strong{color:var(--text)}.board-marker{position:absolute;left:88.5%;top:17%;width:36px;height:36px;border:3px solid var(--coral);border-radius:50%;box-shadow:0 0 0 3px rgba(0,0,0,.5);pointer-events:none}.board-marker::after{content:'JP2';position:absolute;top:-33px;left:-3px;background:#aa3d43;color:var(--text);padding:3px 6px;border-radius:4px;font:bold .7rem Montserrat,system-ui,sans-serif}.link-group{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:15px}.mode-extra{display:none}.mode-advanced .advanced,.mode-cypherpunk .advanced,.mode-cypherpunk .cypherpunk{display:block}.copy-code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;background:#090f16;border:1px solid var(--line);border-radius:8px;padding:14px 18px;color:#cae8fa;font:.76rem/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;margin:14px 0}.archive{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:10px}.archive table{width:100%;border-collapse:collapse}.archive th,.archive td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);font-size:.82rem}.archive th{position:sticky;top:0;background:var(--card);font-size:.7rem;text-transform:uppercase;color:var(--muted)}.badge{display:inline-block;border-radius:5px;background:#214437;color:#b0f6cc;padding:2px 6px;font-size:.7rem}.badge.unsigned{background:#483c2f;color:#f6d5a7}.footer{border-top:1px solid var(--line);padding:34px 0 50px;color:#a3b3c2;font-size:.78rem}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px}.footer a{color:var(--muted)}.footer p{max-width:620px;margin:12px 0 0}.status-line{font-size:.78rem;color:#9eb1c2}.muted-link{color:var(--muted)}.only-when-selected{color:var(--muted)}
@media(max-width:950px){.steps-nav{display:none}.topbar-inner{max-width:var(--max)}}
@media(max-width:660px){.shell{padding:0 18px}.topbar-inner{padding:9px 18px}.brand span{font-size:.85rem}.top-actions{gap:6px}.lang-switch button,.mode-switch button{padding:5px 7px;font-size:.67rem}.hero{padding:68px 0 44px}.section{padding:55px 0}.device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.board-guide{grid-template-columns:1fr}.fact-grid{grid-template-columns:1fr}.gen2 img{width:115px;height:94px}.download-panel{padding:18px}}
@media(max-width:440px){.mode-switch{max-width:196px}.choice-row{grid-template-columns:1fr}.device-grid{gap:8px}.device-copy{padding:10px}.device-copy strong{font-size:.8rem}.device-copy span{font-size:.7rem}.gen2{align-items:flex-start}.gen2 img{width:90px;height:90px}.meta-line{display:block}.meta-line span{display:block}.meta-line span::before{content:none}}
.board-photo{position:relative;line-height:0}
.board-photo .board-marker{left:76.5%;top:35.7%;width:8%;height:auto;aspect-ratio:1}
.video-frame{position:relative;aspect-ratio:16/9;max-width:100%;overflow:hidden;border-radius:9px;background:#000}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:660px){.topbar-inner{flex-wrap:wrap;gap:5px}.brand{width:100%}.top-actions{width:100%;justify-content:space-between}.section{scroll-margin-top:100px}}
.brand .brand-text{display:flex;flex-direction:column;gap:1px;line-height:1.1}
.brand .brand-wordmark{color:var(--text);font-size:1rem;letter-spacing:.01em}
.brand .brand-sub{color:var(--blue);font-size:.58rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}
.mode-wrap{display:flex;align-items:center;gap:6px;position:relative}
.mode-info-button{display:grid;place-items:center;width:29px;height:29px;padding:0;border:1px solid #58718b;border-radius:50%;background:var(--card);color:var(--text);font-weight:700;font-size:.8rem}
.mode-info-button:hover{border-color:var(--blue)}
.mode-info-button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.mode-help{position:absolute;right:0;top:calc(100% + 12px);width:min(350px,calc(100vw - 36px));padding:17px 19px;border:1px solid #58718b;border-radius:12px;background:#122233;box-shadow:0 18px 44px rgba(0,0,0,.55);color:var(--text);font-size:.82rem;line-height:1.5;z-index:30}
.mode-help[hidden]{display:none}
.mode-help strong{font-family:Montserrat,system-ui,sans-serif}
.mode-help p{margin:9px 0 0;color:var(--muted)}
.gen2 .link-group{margin-top:8px;gap:4px 14px;font-size:.82rem}
.footer-links{max-width:570px;align-content:flex-start}
@media(max-width:660px){.mode-help{left:0;right:auto}}
.footer-brand{display:flex;align-items:center;gap:8px}
.footer-brand img{object-fit:contain}
.device-image{aspect-ratio:1/1}
.device-card:not([data-value="barebone"]) .device-image img{object-fit:cover;object-position:center;padding:0}