/* Páginas públicas (inicio, privacidad, 404): mismos colores y tipografías que la app. Sin JavaScript. */
:root{
  --bg:#F4F4F5;--surface:#FFFFFF;--surface-2:#F7F7F8;--ink:#18181B;--ink-2:#52525B;--ink-3:#5B5B66;--line:#E4E4E7;
  --brand:#1D4ED8;--brand-2:#1740B0;--brand-soft:#E3E9FC;--on-brand:#fff;--mint:#0A7F5C;
  --display:'Space Grotesk',system-ui,sans-serif;--body:'Source Sans 3',system-ui,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#101113;--surface:#18191C;--surface-2:#1E2129;--ink:#F4F4F5;--ink-2:#B0B0B8;--ink-3:#A0A0A9;--line:#2A2B30;
    --brand:#7C9EFF;--brand-2:#5B7FE8;--brand-soft:#1B2540;--on-brand:#0B1220;--mint:#3DDC97;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{width:min(1040px,100% - 32px);margin-inline:auto}
a{color:var(--brand)}
h1,h2,h3{font-family:var(--display);letter-spacing:-.03em;margin:0;line-height:1.12}
h2{font-size:clamp(1.5rem,3.4vw,2rem);margin-bottom:14px}
h3{font-size:1.08rem;margin-bottom:6px;letter-spacing:-.02em}
p{margin:0 0 12px}
.muted{color:var(--ink-2)}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}

.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:var(--on-brand);padding:10px 14px;border-radius:8px;z-index:20}
.skip:focus{left:8px}

/* barra superior */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:12px;min-height:60px;flex-wrap:wrap;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.mark{width:26px;height:26px;border-radius:8px;background:var(--brand);position:relative;flex:none}
.mark::after{content:"";position:absolute;inset:7px 6px;border:2px solid var(--on-brand);border-radius:2px}
.name{font-family:var(--display);font-size:1.1rem}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;padding:10px 12px;border-radius:8px;font-weight:500;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover{background:var(--surface);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;background:var(--brand);color:var(--on-brand);font-weight:600;text-decoration:none;border:0}
.btn:hover{background:var(--brand-2)}
.btn.big{min-height:52px;padding:0 26px;font-size:1.05rem}
.top-in>.btn{margin-left:auto}
.nav + .btn{margin-left:0}
@media (max-width:640px){.nav{display:none}.top-in>.btn{margin-left:auto}}

/* portada */
.hero{padding-block:clamp(40px,9vw,96px) clamp(24px,5vw,48px)}
.kicker{font-family:ui-monospace,monospace;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.hero h1,.nf h1{font-size:clamp(2.1rem,6.4vw,3.8rem);max-width:17ch;margin-bottom:18px;font-weight:700}
.lead{font-size:clamp(1.05rem,2.3vw,1.25rem);color:var(--ink-2);max-width:60ch}
.cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:26px}
.link{font-weight:600;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.link:hover{text-decoration:underline}
.micro{color:var(--ink-2);font-size:.95rem;margin-top:14px}

.block{padding-block:clamp(28px,5vw,52px);border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:14px;margin-top:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.card p{color:var(--ink-2);margin:0}

/* pasos */
.steps{list-style:none;counter-reset:s;margin:18px 0 0;padding:0;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 20px 16px 64px;color:var(--ink-2)}
.steps li b{color:var(--ink)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font:700 1rem var(--display);display:grid;place-items:center}

/* listas */
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:4px;top:.5em;width:12px;height:7px;border-left:2.5px solid var(--mint);border-bottom:2.5px solid var(--mint);transform:rotate(-45deg)}
.after{margin-top:16px}

/* preguntas */
.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:600;min-height:48px;display:flex;align-items:center;list-style:none;padding:8px 0;font-family:var(--display);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;font-size:1.4rem;color:var(--ink-3)}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--ink-2);padding-bottom:6px}

.final{text-align:center}
.final .btn{margin-top:6px}
.help{text-align:center}
.help p{margin:0;color:var(--ink-2)}

/* política y 404 */
.doc{padding-block:clamp(28px,5vw,56px);max-width:760px}
.doc h1{font-size:clamp(1.8rem,5vw,2.6rem);margin-bottom:14px}
.doc h3{margin:26px 0 6px;font-size:1.2rem}
.doc p,.doc li{color:var(--ink-2)}
.doc ul{padding-left:22px;margin:0 0 12px}
.doc .section-desc{font-size:1.05rem}
.doc b{color:var(--ink)}
.nf{padding-block:clamp(60px,14vw,140px)}

.foot{border-top:1px solid var(--line);padding-block:26px;color:var(--ink-2);font-size:.95rem}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{min-height:44px;display:inline-flex;align-items:center}