:root{
  --bg:#F5F7F8;--surface:#FFFFFF;--ink:#0F2230;--muted:#4E6270;--line:#D5DEE3;
  --gulf:#0B6E79;--gulf-soft:#E1F0F1;--coral:#E0644A;--on-accent:#FFFFFF;
  --console:#0F2230;--console-fg:#D8E6EC;--console-dim:#7E97A4;--console-line:#24404F;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:6px;--max:1180px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B1820;--surface:#11232D;--ink:#E4EEF2;--muted:#9AB0BB;--line:#24404F;
  --gulf:#3FB6C1;--gulf-soft:#123540;--coral:#F07A60;--on-accent:#06232A;
  --console:#071118;--console-line:#1D3442;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1820;--surface:#11232D;--ink:#E4EEF2;--muted:#9AB0BB;--line:#24404F;
  --gulf:#3FB6C1;--gulf-soft:#123540;--coral:#F07A60;--on-accent:#06232A;
  --console:#071118;--console-line:#1D3442;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 var(--f-body);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
a{color:var(--gulf)}
:focus-visible{outline:2px solid var(--gulf);outline-offset:3px;border-radius:3px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.1}
h2{font-size:clamp(1.5rem,2.6vw,1.9rem);font-weight:800;font-stretch:90%}
h3{font-size:1.05rem;font-weight:700;font-stretch:95%}
p{margin:0}
.eyebrow{font:500 .76rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gulf)}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:7px;background:var(--ink);display:grid;place-items:center;color:var(--bg);font:800 .95rem/1 var(--f-display);font-stretch:80%}
.brand-svg{width:38px;height:38px;flex:none;display:block}.brand-svg .l1{fill:var(--ink)}.brand-svg .l2{fill:var(--surface)}.brand-svg .l3{fill:none;stroke:#3FB6C1;stroke-width:5.5;stroke-linecap:round;stroke-linejoin:round}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .brand-svg .l3{stroke:#0B6E79}}:root[data-theme=dark] .brand-svg .l3{stroke:#0B6E79}
.brand-name{font:700 1.05rem/1.1 var(--f-display);font-stretch:92%}
.brand-name small{display:block;font:400 .72rem/1.2 var(--f-mono);color:var(--muted);letter-spacing:.04em}
.links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
.links a:hover{color:var(--gulf)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--r);font:600 .95rem/1 var(--f-body);text-decoration:none;border:1px solid transparent;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary,.links a.btn-primary{background:var(--gulf);color:var(--on-accent)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
@media (max-width:720px){.links a:not(.btn){display:none}}
.crumbs{font:400 .8rem var(--f-mono);color:var(--muted);padding-block:22px 0;display:flex;flex-wrap:wrap;gap:8px}
.crumbs a{color:var(--muted)}
.hero{padding-block:28px 48px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;font-stretch:80%;letter-spacing:-.01em;margin-top:14px}
.hero .lede{margin-top:16px;color:var(--muted);font-size:1.12rem;max-width:62ch}
.code{font:500 .78rem var(--f-mono);color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:6px 10px;white-space:nowrap}
.body{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(28px,5vw,64px);padding-block:48px 72px}
.body>*{min-width:0}
.section{display:grid;gap:16px}
.section+.section{margin-top:48px}
.prose{display:grid;gap:14px;max-width:66ch}
.incl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.incl div{background:var(--surface);padding:18px 18px 20px;display:grid;gap:6px;align-content:start}
.incl b{font-weight:600}
.incl span{color:var(--muted);font-size:.93rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--ink)}
.steps li{padding:16px 16px 0 0;display:grid;gap:6px;align-content:start}
.steps .n{font:500 .74rem var(--f-mono);color:var(--gulf)}
.steps span{color:var(--muted);font-size:.92rem}
.fit{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.fit li{padding-left:22px;position:relative}
.fit li::before{content:"";position:absolute;left:0;top:.65em;width:10px;height:2px;background:var(--coral)}
details{border-bottom:1px solid var(--line)}
details:first-of-type{border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:12px;font:400 1.4rem var(--f-mono);color:var(--gulf)}
details[open] summary::after{content:"–"}
details p{padding-bottom:18px;color:var(--muted);max-width:66ch}
aside{display:grid;gap:20px;align-content:start;position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:grid;gap:14px}
.card h3{font-size:.98rem}
.plans{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.93rem}
.plans li{display:flex;justify-content:space-between;gap:10px}
.plans .yes{color:var(--gulf);font-weight:600}
.plans .no{color:var(--muted)}
.note{font-size:.85rem;color:var(--muted)}
.rel{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rel a{text-decoration:none;font-weight:500}
.rel small{display:block;font:400 .72rem var(--f-mono);color:var(--muted);letter-spacing:.04em}
.cta{background:var(--console);color:var(--console-fg);border-color:var(--console-line)}
.cta h3{color:#fff}
.cta p{color:var(--console-dim);font-size:.92rem}
.cta .btn-primary{background:#3FB6C1;color:#06232A}
@media (max-width:900px){.body{grid-template-columns:1fr}aside{position:static}.steps{grid-template-columns:1fr 1fr;row-gap:20px}}
@media (max-width:560px){.incl{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.hero-grid{grid-template-columns:1fr}}
/* index */
.cat{padding-block:8px 36px;scroll-margin-top:calc(env(safe-area-inset-top,0px) + 90px)}
.cat h2{margin-bottom:16px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.cat-grid a{display:grid;gap:6px;align-content:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink)}
.cat-grid a:hover{border-color:var(--gulf)}
.cat-grid small{font:500 .72rem var(--f-mono);color:var(--muted)}
.cat-grid span{color:var(--muted);font-size:.92rem}
footer{background:var(--console);color:var(--console-dim);font-size:.84rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding-block:24px}
.proud{display:inline-flex;align-items:center;gap:8px;font-weight:500}
.proud img{width:30px;height:16px;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.15);flex:none}
.foot a{color:var(--console-fg);text-decoration:none}