*{box-sizing:border-box}
:root{--ground:#f8f8f8;--ground-2:#ffffff;--line:rgba(19,19,19,.11);--line-2:rgba(19,19,19,.17);--text:#222222;--text-dim:#5c5c5c;--text-faint:#8c8c8c;--accent:#09838e;--accent-hover:#076974;--accent-2:#076069;--accent-soft:rgba(9,131,142,.10);--accent-line:rgba(9,131,142,.42);--accent-ink:#ffffff;--verify:#0d8a4f;--shadow:0 22px 54px -24px rgba(19,19,19,.30);--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"Cascadia Code",Consolas,"SF Mono",Menlo,monospace;--wrap:1140px;--r:10px;--btn-r:999px;color-scheme:light;}
body{margin:0;background:var(--ground);color:var(--text);font-family:var(--font-sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.02em;line-height:1.14;text-wrap:balance}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--ground) 84%,transparent);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:650}
.brand-mark{width:30px;height:30px;flex:none;border-radius:7px;display:block;box-shadow:0 2px 8px -2px rgba(9,131,142,.5)}
.nav-links{display:flex;align-items:center;gap:28px}
@media (max-width:1040px){.nav-links{gap:18px}}
.nav-links a{color:var(--text-dim);font-size:.92rem;transition:color .18s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:14px}
.theme-btn{background:transparent;border:1px solid var(--line-2);color:var(--text-dim);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:15px;display:grid;place-items:center;transition:border-color .18s,color .18s}
.theme-btn:hover{color:var(--text);border-color:var(--accent-line)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:var(--btn-r);font-size:.92rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 26px -10px var(--accent-line)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent-line);color:var(--accent-2)}
.nav .btn{padding:8px 18px}
.nav-links a[aria-current="page"]{color:var(--text);font-weight:600}
.nav-toggle{display:none;width:34px;height:34px;padding:0;border:1px solid var(--line-2);border-radius:50%;background:transparent;color:var(--text-dim);cursor:pointer;place-items:center;transition:border-color .18s,color .18s}
.nav-toggle:hover{border-color:var(--accent-line);color:var(--accent-2)}
.nav-toggle i{position:relative;display:block;width:15px;height:1.5px;background:currentColor;border-radius:2px;transition:background .2s}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:15px;height:1.5px;background:currentColor;border-radius:2px;transition:transform .2s}
.nav-toggle i::before{top:-5px}
.nav-toggle i::after{top:5px}
.nav.open .nav-toggle i{background:transparent}
.nav.open .nav-toggle i::before{transform:translateY(5px) rotate(45deg)}
.nav.open .nav-toggle i::after{transform:translateY(-5px) rotate(-45deg)}
@media (max-width:780px){
.js .nav-toggle{display:grid}
.nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:4px 24px 12px;background:var(--ground);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.nav.open .nav-links{display:flex}
.nav-links a{padding:14px 2px;font-size:1rem;border-bottom:1px solid var(--line)}
.nav-links a:last-child{border-bottom:none}
}
@media (max-width:480px){
.nav-inner{gap:10px}
.nav-right{gap:8px}
.brand{font-size:.95rem}
.brand-mark{width:26px;height:26px}
.nav .btn{padding:8px 14px;font-size:.85rem}
}
.page-hero{padding:60px 0 30px;border-bottom:1px solid var(--line)}
.backlink{display:inline-block;margin-bottom:22px;color:var(--text-faint);font-size:.9rem;transition:color .18s}
.backlink:hover{color:var(--accent-2)}
.eyebrow{color:var(--accent-2);display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.page-hero h1{font-size:clamp(2rem,4.4vw,3rem)}
.page-hero .lead{color:var(--text-dim);font-size:1.12rem;margin:18px 0 0;max-width:62ch}
.content{padding:46px 0 80px}
.content .col{max-width:78ch}
.content h2{font-size:1.5rem;margin:42px 0 12px}
.content h2:first-of-type{margin-top:0}
.content h3{font-size:1.14rem;margin:26px 0 8px}
.content p{color:var(--text-dim);margin:0 0 14px}
.content ul{color:var(--text-dim);margin:0 0 16px;padding-left:20px}
.content li{margin:6px 0}
.muted{color:var(--text-faint);font-style:italic}
.notice{border:1px solid var(--accent-line);background:var(--accent-soft);border-radius:var(--r);padding:16px 20px;margin:0 0 34px;color:var(--text-dim);font-size:.95rem}
.notice strong{color:var(--text)}
.notice.legal{border-color:var(--line-2);background:transparent}

/* GPU REQUIREMENT */
.gpu-req{max-width:46rem;margin:0 0 14px;padding:26px 28px;border:1px solid var(--accent-line);border-radius:var(--r);background:linear-gradient(180deg,var(--accent-soft),transparent)}
.gpu-req .mono{display:block;color:var(--accent-2)}
.content .gpu-req .gpu-line{margin:12px 0 0;font-size:clamp(1.4rem,3.2vw,1.9rem);font-weight:700;letter-spacing:-.02em;color:var(--text)}
.content .gpu-req p{margin:12px 0 0;color:var(--text-dim);max-width:62ch}

/* SPEC TABLE */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:0 0 14px}
table.spec{width:100%;border-collapse:collapse;font-size:.94rem;min-width:480px}
table.spec td{padding:15px 22px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec tr:last-child td{border-bottom:none}
table.spec td.k{width:34%;color:var(--text-dim);font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
table.spec td.v{color:var(--text);font-variant-numeric:tabular-nums}

/* CONTACT */
.contact-direct{max-width:34rem;margin:0 0 34px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--ground-2)}
.contact-direct .mono{display:block;color:var(--text-faint);margin-bottom:9px}
.contact-direct a{font-size:1.18rem;font-weight:650;letter-spacing:-.01em;color:var(--accent-2);word-break:break-word}
.contact-direct a:hover{color:var(--accent)}
.content .contact-direct p{margin:11px 0 0;font-size:.92rem;color:var(--text-faint)}

/* CONTACT FORM */
.form{display:grid;gap:18px;max-width:34rem;margin:0 0 16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.field{display:grid;gap:7px}
.field label{font-size:.88rem;font-weight:600;color:var(--text)}
.field .opt{font-weight:400;color:var(--text-faint)}
.field input,.field textarea{width:100%;max-width:100%;font:inherit;font-size:.95rem;color:var(--text);background:var(--ground-2);border:1px solid var(--line-2);border-radius:var(--r);padding:11px 14px;transition:border-color .18s,box-shadow .18s}
.field textarea{resize:vertical;min-height:132px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field input:user-invalid,.field textarea:user-invalid{border-color:rgba(179,38,30,.55)}
.form button{justify-self:start}
.form button[disabled]{opacity:.55;cursor:default;transform:none}
.content .form-status{margin:0;padding:12px 15px;font-size:.93rem;border:1px solid var(--line-2);border-radius:var(--r);color:var(--text-dim)}
.content .form-status.ok{color:var(--verify);border-color:var(--verify);background:rgba(13,138,79,.07)}
.content .form-status.err{color:#b3261e;border-color:rgba(179,38,30,.45);background:rgba(179,38,30,.06)}
.content .form-note{color:var(--text-faint);font-size:.88rem;max-width:62ch;margin:0 0 34px}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;padding:22px 2px;font-weight:600;font-size:1.04rem;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--accent-2);font-weight:400;font-size:1.5rem;line-height:1;flex:none;transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{color:var(--text-dim);margin:0 0 22px;font-size:.97rem;max-width:82ch}
.faq-list details p a{color:var(--accent-2)}
.faq-list+.notice{margin-top:40px}

/* SHOWCASE */
.show-intro{color:var(--text-dim);margin:0 0 40px}
.content h2.show-group{margin:54px 0 18px}
.content h2.show-group:first-of-type{margin-top:0}
.show-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:34px 30px;margin:0 0 10px}
@media (max-width:560px){.show-grid{grid-template-columns:1fr;gap:28px}}
.show-item{margin:0;min-width:0}
.show-item.wide{grid-column:1/-1}
.show-frame{position:relative;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow);background:#0d2027;aspect-ratio:16/9}
.show-frame video{display:block;width:100%;height:100%;object-fit:cover}
.yt-embed{position:absolute;inset:0}
.yt-embed img{display:block;width:100%;height:100%;object-fit:cover}
.yt-embed iframe{display:block;width:100%;height:100%;border:0}
.show-play{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;cursor:pointer;background:rgba(13,32,39,.30);display:grid;place-items:center;transition:background .2s}
.show-play:hover{background:rgba(13,32,39,.16)}
.show-play[hidden]{display:none}
.show-play span{position:relative;display:block;width:68px;height:68px;border-radius:50%;background:var(--accent);box-shadow:0 12px 32px -10px rgba(13,32,39,.8);transition:transform .2s}
.show-play:hover span{transform:scale(1.07)}
.show-play span::after{content:"";position:absolute;top:50%;left:54%;transform:translate(-50%,-50%);border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent var(--accent-ink)}
.show-body h3{font-size:1.16rem;margin:18px 0 0}
.show-body p{color:var(--text-dim);margin:9px 0 0;font-size:.95rem}
.show-body .show-meta{display:flex;align-items:center;gap:8px;color:var(--text-faint);font-size:.76rem;margin-top:13px}
.show-grid+.col .notice{margin-top:46px}
footer{border-top:1px solid var(--line);padding:52px 0 40px;color:var(--text-faint)}
.foot-cols{display:grid;grid-template-columns:1.5fr repeat(2,1fr);gap:28px;padding-bottom:34px;border-bottom:1px solid var(--line)}
@media (max-width:820px){.foot-cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-cols{grid-template-columns:1fr}}
.foot-cols h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin:0 0 14px;font-weight:600}
.foot-cols a{display:block;color:var(--text-dim);font-size:.9rem;margin:8px 0;transition:color .18s}
.foot-cols a:hover{color:var(--accent-2)}
.foot-about{color:var(--text-faint);font-size:.9rem;max-width:36ch}
.foot-about .fb{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-weight:650;margin-bottom:12px}
.foot-about .fb img{width:24px;height:24px;border-radius:6px}
.foot-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;font-size:.86rem;padding-top:26px}
.foot-inner .langs{font-family:var(--font-mono);letter-spacing:.1em;font-size:.72rem}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:2px}