/* Postlisto: marca sobria, verde de "listo" + tinta oscura. */
:root{
  --bg:#F6F7F4; --surface:#FFFFFF; --ink:#152019; --muted:#5A6A60; --line:#DCE3DD;
  --brand:#16794A; --brand-ink:#FFFFFF; --soft:#E3F2E9;
  --f-display:"Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body:"Instrument Sans", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0F1512; --surface:#16201B; --ink:#E6EDE8; --muted:#94A69B; --line:#283630;
  --brand:#4CC487; --brand-ink:#0F1512; --soft:#173426; color-scheme:dark }}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
.wrap{max-width:960px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
header{padding-block:22px;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:800;font-size:1.3rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo img{width:34px;height:34px;border-radius:9px}
nav a{color:var(--muted);text-decoration:none;font-size:.95rem;margin-left:18px}
nav a:hover{color:var(--ink)}
h1,h2,h3{font-family:var(--f-display);letter-spacing:-.015em;text-wrap:balance;line-height:1.1;margin:0}
h1{font-size:clamp(2.3rem,6vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;margin-bottom:14px}
h3{font-size:1.1rem;font-weight:700}
.hero{padding-block:72px 56px}
.hero p{font-size:1.2rem;color:var(--muted);max-width:52ch;margin:20px 0 28px}
.hero h1 span{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);font-weight:600;padding:13px 22px;border-radius:12px;text-decoration:none}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-block:24px 64px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:8px;align-content:start}
.step .n{font-family:var(--f-display);font-weight:800;color:var(--brand);font-size:.9rem;letter-spacing:.08em}
.step p{margin:0;color:var(--muted);font-size:.98rem}
.band{background:var(--soft);padding-block:44px}
.band p{margin:0;max-width:60ch}
.doc{padding-block:48px 72px;max-width:760px}
.doc h1{font-size:clamp(2rem,5vw,2.8rem);margin-bottom:8px}
.doc .meta{color:var(--muted);font-size:.92rem;margin-bottom:32px}
.doc h2{font-size:1.3rem;margin:32px 0 10px}
.doc p,.doc li{color:var(--ink)}
.doc ul{padding-left:22px}
.doc li{margin-bottom:6px}
.doc code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.92em}
footer{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between}
footer a{color:var(--muted)}
@media (max-width:720px){.steps{grid-template-columns:minmax(0,1fr)} nav a{margin-left:12px}}