:root{--bg:#0a0e16;--surface:#141a26;--surface2:#0f1521;--line:#222c3c;--text:#e8edf4;--muted:#a3afc2;--faint:#6b7689;
  --amber:#e8a13a;--amber-ink:#1a1003;--amber-tint:rgba(232,161,58,.09);--amber-line:rgba(232,161,58,.38);
  --blue:#6ba6f5;--ok:#46c98b;--warn:#f08a5b;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace}
/* Fonts come from the system: no outside request, and every OS that reads
   these scripts ships a font for them. The lists differ per language because
   Han characters take different shapes in Chinese, Japanese and Korean. */
:lang(zh){--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Segoe UI","Microsoft YaHei UI","Microsoft YaHei",Roboto,"Noto Sans CJK SC","Noto Sans SC","Source Han Sans SC",sans-serif}
:lang(ja){--sans:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Segoe UI","Yu Gothic UI","Yu Gothic",Meiryo,Roboto,"Noto Sans CJK JP","Noto Sans JP","Source Han Sans JP",sans-serif}
:lang(ko){--sans:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI","Malgun Gothic",Roboto,"Noto Sans CJK KR","Noto Sans KR","Source Han Sans KR",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
[lang]{font-family:var(--sans)}
body:lang(ko){word-break:keep-all}
.wrap{max-width:980px;margin-inline:auto;padding-inline:24px}
@media (max-width:600px){.wrap{padding-inline:16px}}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
code,pre{font-family:var(--mono)}
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;inset-inline-start:16px;top:-60px;z-index:20;background:var(--amber);color:var(--amber-ink);padding:10px 16px;border-radius:10px;font-weight:600}
.skip:focus{top:12px}

/* header */
.site-head{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(10,14,22,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.head-in{display:flex;align-items:center;gap:0 16px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.08rem;color:var(--text);min-height:44px;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px;color:var(--amber);flex:none}
.nav{display:flex;align-items:center;gap:0 2px;margin-inline-start:auto}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding-inline:9px;color:var(--muted);font-size:.9rem;white-space:nowrap;border-radius:8px}
.nav a:hover{color:var(--text);text-decoration:none;background:var(--surface)}

.lang{position:relative;flex:none}
.lang summary{display:flex;align-items:center;gap:7px;min-height:44px;padding-inline:11px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:.86rem;cursor:pointer;list-style:none;white-space:nowrap}
.lang summary::-webkit-details-marker{display:none}
.lang summary:hover{border-color:var(--faint)}
.lang summary svg{width:16px;height:16px;color:var(--muted);flex:none}
.lang ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);z-index:30;margin:0;padding:6px;list-style:none;min-width:210px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.5)}
.lang li a{display:flex;align-items:center;min-height:42px;padding-inline:12px;border-radius:8px;color:var(--text);font-size:.92rem}
.lang li a:hover{background:var(--line);text-decoration:none}
.lang li a[aria-current]{color:var(--amber)}

@media (max-width:960px){
  .site-head{position:static}
  .head-in{flex-wrap:wrap;padding-block:6px}
  .lang{margin-inline-start:auto}
  .nav{order:3;flex-basis:100%;flex-wrap:wrap;margin-inline:-9px}
}

.draft{background:var(--amber-tint);border-bottom:1px solid var(--amber-line);color:var(--muted);font-size:.88rem;padding-block:9px}
.draft a{white-space:nowrap}

/* hero */
.hero{padding-block:72px 36px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--amber);margin:0}
h1{font-size:clamp(2.15rem,6vw,3.5rem);letter-spacing:-.03em;line-height:1.08;margin:14px 0 18px;max-width:17ch;text-wrap:balance}
.hero .sub{font-size:1.14rem;color:var(--muted);max-width:660px;margin:0}
.status{display:inline-flex;align-items:center;gap:9px;margin:22px 0 0;font-size:.86rem;font-weight:600;color:var(--amber);background:var(--amber-tint);border:1px solid var(--amber-line);padding:6px 14px;border-radius:999px;line-height:1.4}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);flex:none}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding-block:10px;padding-inline:22px;border-radius:12px;font-weight:600;font-size:.98rem;border:1px solid transparent;text-align:center}
.btn:hover{text-decoration:none}
.btn.primary{background:var(--amber);color:var(--amber-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{border-color:var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--blue)}
@media (max-width:420px){.cta .btn{flex:1 1 100%}}

/* no negative tracking or tight leading on scripts without Latin spacing */
:lang(zh) .eyebrow,:lang(ja) .eyebrow,:lang(ko) .eyebrow{letter-spacing:.04em}
/* keep-all stops breaks inside a word; hero.h1 marks the break with U+200B */
:lang(zh) h1,:lang(ja) h1,:lang(ko) h1{letter-spacing:0;line-height:1.28;max-width:none;word-break:keep-all;font-size:clamp(1.6rem,6.4vw,3.2rem)}
:lang(zh) h2,:lang(ja) h2,:lang(ko) h2{letter-spacing:0}
:lang(zh) body,:lang(ja) body{line-height:1.75}
:lang(ru) h1,:lang(de) h1{letter-spacing:-.02em;max-width:20ch}

/* sections */
main section{padding-block:30px;scroll-margin-top:80px}
h2{font-size:1.6rem;letter-spacing:-.02em;line-height:1.25;margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 20px;max-width:700px}
h3{font-size:1.04rem;margin:0 0 6px;line-height:1.35}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.card p{margin:0;color:var(--muted);font-size:.94rem}

.steps{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:step}
.steps li{counter-increment:step;position:relative}
.steps li::before{content:counter(step);display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--amber);color:var(--amber);font-weight:700;font-size:.95rem;margin-bottom:12px}

.tablebox{border:1px solid var(--line);border-radius:14px;background:var(--surface2);margin-top:20px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:.94rem}
th,td{text-align:start;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
thead th{color:var(--muted);font-weight:600;font-size:.86rem}
tbody th{font-weight:600;color:var(--text);width:30%}
td{color:var(--muted)}
.col-lw{background:var(--amber-tint);color:var(--text)}
thead .col-lw{color:var(--amber)}
@media (max-width:640px){
  table,tbody,tr,th,td{display:block;width:auto}
  thead{display:none}
  tbody tr{padding:14px 16px;border-bottom:1px solid var(--line)}
  tbody tr:last-child{border-bottom:0}
  tbody th,td{padding:0;border:0}
  tbody th{margin-bottom:8px;width:auto}
  td{background:none;padding-block:3px}
  td::before{content:attr(data-label);display:block;font-size:.78rem;font-weight:600;color:var(--faint)}
  td.col-lw::before{color:var(--amber)}
  td.col-lw{background:none}
}

.grid2,.sec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.hw .top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:6px}
.hw h3{margin:0}
.badge{display:inline-block;flex:none;font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap;border:1px solid var(--line);color:var(--muted);line-height:1.5}
.badge.now{color:var(--ok);border-color:rgba(70,201,139,.4);background:rgba(70,201,139,.08)}
.badge.warn{color:var(--warn);border-color:rgba(240,138,91,.4);background:rgba(240,138,91,.08)}
.badge.done{color:var(--amber);border-color:var(--amber-line);background:var(--amber-tint)}
.hw.supported{border-color:var(--amber-line)}
.hw.dashed{background:transparent;border-style:dashed;border-color:var(--faint)}

.checklist{margin:10px 0 0;padding-inline-start:18px;display:grid;gap:8px;color:var(--muted);font-size:.94rem}
.checklist li::marker{color:var(--faint)}
.yes .checklist li::marker{color:var(--ok)}
.no .checklist li::marker{color:var(--warn)}
.card.no{border-color:rgba(240,138,91,.35)}
.notes{margin-top:14px}
.links{display:flex;flex-wrap:wrap;gap:0 22px;margin-top:12px}
.links a{display:inline-flex;align-items:center;min-height:44px;font-weight:600}

.statuslist{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:14px;background:var(--surface2)}
.statuslist li{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:13px 16px;border-bottom:1px solid var(--line)}
.statuslist li:last-child{border-bottom:0}
.statuslist h3{margin:0}
.statuslist p{margin:2px 0 0;color:var(--muted);font-size:.92rem}

.req{color:var(--muted);margin:14px 0 0;font-size:.95rem;max-width:700px}
.req code{color:var(--text);font-size:.88em}
.cmd-h{margin:22px 0 0}
.code{position:relative;margin-top:10px}
pre{direction:ltr;text-align:left;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:.86rem;line-height:1.7;color:#cdd6e4;margin:0}
.copy{position:absolute;top:7px;inset-inline-end:7px;min-height:38px;padding-inline:12px;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-size:.82rem;font-weight:600;cursor:pointer}
.copy:hover{border-color:var(--blue)}
@media (max-width:760px){
  .copy{min-height:44px}
  pre{padding-top:58px}
}

.road{list-style:none;margin:20px 0 0;padding:0;position:relative}
.road li{position:relative;padding-inline-start:36px;padding-bottom:20px}
.road li::before{content:"";position:absolute;inset-inline-start:8px;top:22px;bottom:-4px;width:2px;background:var(--line)}
.road li:last-child::before{display:none}
.road .mk{position:absolute;inset-inline-start:0;top:4px;width:18px;height:18px;border-radius:50%;border:2px solid var(--faint);background:var(--bg)}
.road .done .mk{border-color:var(--amber);background:var(--amber)}
.road h3{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0}
.road p{margin:2px 0 0;color:var(--muted);font-size:.94rem}

footer{border-top:1px solid var(--line);margin-top:40px;padding-block:32px 56px;color:var(--muted);font-size:.9rem}
footer p{margin:0 0 6px}
footer .links a{font-weight:500}
.foot-legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-bottom:6px}
.kodviva{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding-block:4px;padding-inline:8px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.75rem;line-height:1.2;white-space:nowrap}
.kodviva:hover{color:var(--text);text-decoration:none;border-color:var(--faint)}
.kodviva svg{flex:none}

.notfound{padding-block:64px}
.notfound ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.notfound li{display:flex;gap:12px;align-items:center;min-height:44px;color:var(--muted)}

@media (max-width:760px){
  .steps,.grid2,.sec-grid{grid-template-columns:1fr}
  .hero{padding-block:44px 24px}
}
@media (max-width:480px){
  .statuslist li{flex-direction:column;gap:6px}
}