:root{
  --azul:#1E45D0;
  --ink:#0E1116;--ink2:#3D424D;--mute:#6B707B;--line:#E4E4E0;--surface:#F6F6F3;--bg:#FFFFFF;
  --font:"Work Sans","Noto Sans",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-underline-offset:3px;text-decoration-thickness:1px}
b{font-weight:600;color:var(--ink)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:var(--surface);border:1px solid var(--line);padding:.05em .4em;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.label{margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}

/* top */
.topbar{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:5}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:40px;width:auto}
.topnav a{color:var(--ink2);text-decoration:none;font-size:14px;font-weight:500}
.topnav a:hover{color:var(--azul)}

/* hero */
.hero{padding:72px 0 64px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:5fr 6fr;gap:64px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 20px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--azul)}
.hero h1{font-size:clamp(34px,4.2vw,54px);line-height:1.06;font-weight:600;letter-spacing:-.025em;margin:0 0 24px;text-wrap:balance}
.lead{font-size:18px;line-height:1.6;color:var(--ink2);margin:0;max-width:46ch}
.meta{display:flex;flex-wrap:wrap;gap:0;margin:32px 0 0;font-size:14px;color:var(--mute)}
.meta span+span::before{content:"";display:inline-block;width:1px;height:12px;background:var(--line);margin:0 14px;vertical-align:-1px}
.hero-art{margin:0}
.hero-art img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:4px}

/* layout */
.layout{display:grid;grid-template-columns:240px 1fr;gap:80px;padding-top:64px;padding-bottom:80px}
.side-in{position:sticky;top:112px}
.toc{list-style:none;margin:0 0 24px;padding:0;border-left:1px solid var(--line)}
.toc a{display:flex;gap:12px;padding:8px 0 8px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--ink2);text-decoration:none;font-size:14px;line-height:1.4}
.toc a span{color:var(--mute);font-variant-numeric:tabular-nums}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--azul)}
.bar{height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.bar span{display:block;height:100%;width:0;background:var(--azul);transition:width .3s}
.main{min-width:0;max-width:760px}

.notice{border:1px solid var(--line);border-left:2px solid var(--azul);padding:20px 24px;margin-bottom:56px}
.notice p:last-child{margin:0;color:var(--ink2)}

/* sections */
.sec{padding-bottom:56px;margin-bottom:56px;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.sec-h{display:flex;gap:20px;align-items:baseline;margin-bottom:16px}
.sec-n{font-size:14px;font-weight:600;color:var(--azul);font-variant-numeric:tabular-nums}
.sec-h h2{display:inline;font-size:clamp(22px,2.4vw,28px);line-height:1.25;font-weight:600;letter-spacing:-.015em;margin:0}
.tag{display:inline-block;margin-left:12px;vertical-align:4px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);border:1px solid var(--line);padding:2px 8px;border-radius:3px}
.intro{color:var(--ink2);margin:0 0 28px 38px}

.copy{background:var(--surface);padding:20px 24px;margin:0 0 32px 38px;border-radius:4px}
.copy ul{list-style:none;margin:0;padding:0}
.cp{display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.cp:first-child{border-top:0;padding-top:0}
.cp-l{font-size:13px;color:var(--mute)}
.cp-v{background:none;border:0;padding:0;font-size:15px;color:var(--ink);word-break:break-all}
.cp-b,.cp-all{font:inherit;font-size:13px;font-weight:600;color:var(--azul);background:none;border:1px solid var(--line);border-radius:3px;padding:5px 12px;cursor:pointer;background:#fff;transition:border-color .15s}
.cp-b:hover,.cp-all:hover{border-color:var(--azul)}
.cp-b.copied,.cp-all.copied{color:#fff;background:var(--azul);border-color:var(--azul)}
.cp-all{margin-top:14px}

.steps{list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:38px 1fr 28px;gap:0 0;align-items:start;padding:16px 0;border-top:1px solid var(--line)}
.steps .step:first-child{border-top:0}
.num{font-size:13px;font-weight:600;color:var(--mute);padding-top:3px;font-variant-numeric:tabular-nums}
.txt{color:var(--ink2);padding-right:16px}
.txt .note{display:block;margin-top:10px;font-size:14px;color:var(--mute);padding-left:14px;border-left:1px solid var(--line)}
.tick{width:22px;height:22px;margin-top:2px;border:1.5px solid #C8C8C3;border-radius:3px;background:#fff;color:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;transition:all .15s}
.tick:hover{border-color:var(--azul)}
.step.is-done .tick{background:var(--azul);border-color:var(--azul);color:#fff}
.step.is-done .txt{color:var(--mute)}
.step.is-done .num{color:var(--azul)}

.assets{margin:0 0 8px 38px;border:1px solid var(--line);border-radius:4px}
.assets div{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:14px 20px;border-top:1px solid var(--line)}
.assets div:first-child{border-top:0}
.assets dt{font-size:14px;font-weight:600;color:var(--ink)}
.assets dt em{display:block;font-style:normal;font-weight:400;color:var(--mute);font-size:13px}
.assets dd{margin:0;font-size:15px;color:var(--ink2)}

.done{margin:24px 0 0 38px;font-size:15px;color:var(--ink2);padding-left:14px;border-left:2px solid var(--azul)}

.next{background:var(--surface);padding:32px 36px;border-radius:4px}
.next p:last-child{margin:0;font-size:17px;color:var(--ink);max-width:60ch}

/* more */
.more{border-top:1px solid var(--line);padding:56px 0 72px}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.more-c{text-decoration:none;color:var(--ink)}
.more-c img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:4px;transition:opacity .2s}
.more-c:hover img{opacity:.88}
.more-c span{display:flex;justify-content:space-between;align-items:center;padding:14px 0 0;font-weight:600;font-size:15px}
.more-c svg{color:var(--azul)}

/* index */
.list{list-style:none;margin:0;padding:24px 0 64px}
.row{display:grid;grid-template-columns:64px 1fr 120px 200px 40px;gap:32px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.row-n{align-self:start;padding-top:8px;font-size:14px;font-weight:600;color:var(--azul);font-variant-numeric:tabular-nums}
.row-t h2{margin:0 0 6px;font-size:24px;font-weight:600;letter-spacing:-.015em}
.row-t p{margin:0;color:var(--ink2);font-size:15px;max-width:58ch}
.row-m{font-size:14px;color:var(--mute)}
.row img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:3px}
.row-a{color:var(--mute);transition:transform .2s,color .2s}
.row:hover .row-a{color:var(--azul);transform:translateX(4px)}
.row:hover h2{color:var(--azul)}
.next-home{margin-bottom:80px}

/* foot */
.foot{border-top:1px solid var(--line);padding:32px 0}
.foot-in{display:flex;align-items:center;gap:32px}
.foot-logo{height:22px;width:auto}
.foot p{margin:0;color:var(--mute);font-size:14px}

@media (max-width:980px){
  .layout{grid-template-columns:1fr;gap:0;padding-top:40px}
  .side{display:none}
  .row{grid-template-columns:48px 1fr 160px;gap:20px}
  .row-m,.row-a{display:none}
}
@media (max-width:760px){
  .wrap{padding:0 16px}
  .hero{padding:32px 0 40px}
  .hero-in{grid-template-columns:1fr;gap:28px}
  .hero-art{order:-1}
  .lead{font-size:17px}
  .intro,.copy,.assets,.done{margin-left:0}
  .copy{padding:16px}
  .cp{grid-template-columns:1fr auto;gap:4px 12px}
  .cp-l{grid-column:1/-1}
  .step{grid-template-columns:30px 1fr 26px}
  .assets div{grid-template-columns:1fr;gap:4px}
  .next{padding:24px 20px}
  .more-grid{grid-template-columns:1fr}
  .row{grid-template-columns:36px 1fr;gap:12px}
  .row img{display:none}
  .foot-in{flex-direction:column;align-items:flex-start;gap:12px}
}
@media print{.topbar,.side,.more,.tick,.cp-b,.cp-all{display:none}.layout{display:block}}