/* Fuentes de la marca — fijadas en UN solo lugar (sin el eje opsz, para que el wordmark se vea
   IGUAL a cualquier tamaño, como en la landing; el opsz hacía el "insten" gigante demasiado serif). */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@400;500;600;700&family=Schibsted+Grotesk:wght@400;500;600;700&family=Spline+Sans+Mono:wght@400;500&display=swap');

/* Insten — sistema de diseño v3 (B/N editorial) para las páginas SEO.
   Fiel a deliverables/insten-landing: Fraunces (display/serif) + Schibsted Grotesk (sans) +
   Spline Sans Mono (kickers). Blanco #fff + tinta #161616; ember #c2462c SOLO para retoques de
   identidad (punto del kicker, focus, selección); CTAs en negro #121212. No usar ember en fills. */
:root{
  --surface:#ffffff; --surface-2:#f4f4f4; --surface-3:#ececec; --surface-4:#e0e0e0;
  --text:#161616; --text-dim:#5f5f5f; --text-faint:#9a9a9a; --negro:#0c0c0c;
  --ember:#c2462c; --ember-soft:#d65a3e; --ember-deep:#9e3620;
  --line:rgba(22,22,22,.10); --line2:rgba(22,22,22,.18);
  --accent:#121212; --accent-hover:#2e2e2c; --accent-fg:#fafafa;
  --font-display:'Fraunces',Georgia,'Times New Roman',serif;
  --font-sans:'Schibsted Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:'Spline Sans Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--text);font-family:var(--font-sans);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
::selection{background:var(--ember);color:#fafafa}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--surface),0 0 0 3px var(--ember)}
.wrap{max-width:1040px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:-.045em;color:var(--text);text-wrap:balance;margin:0}
h1{font-size:clamp(30px,5vw,52px);line-height:1.04}
h2{font-size:clamp(23px,3.3vw,34px);line-height:1.1}
.sub{font-size:clamp(16px,2vw,19px);color:var(--text-dim);max-width:660px;margin:18px 0 0;line-height:1.55}
.lead{color:var(--text-dim);max-width:680px;margin:14px 0 0;font-size:17px}

/* kicker: mono, tracking ancho, punto ember cuadrado (la firma de microcopy) */
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);
  font-size:.7rem;text-transform:uppercase;letter-spacing:.28em;color:var(--text-dim)}
.kicker::before{content:'';width:6px;height:6px;background:var(--ember);flex:0 0 auto}

nav{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a:not(.btn){font-size:.9rem;font-weight:600;color:var(--text-dim);transition:.15s}
.nav-links a:not(.btn):hover{color:var(--text)}

/* wordmark oficial: "insten" minúscula (Fraunces semibold, tight) + punto ember cuadrado */
.wordmark{display:inline-flex;align-items:baseline;font-family:var(--font-display);font-weight:600;
  font-size:1.4rem;line-height:1;letter-spacing:-.045em;color:var(--text);text-transform:lowercase;user-select:none}
.wordmark .dot{display:inline-block;width:.16em;height:.16em;border-radius:1px;background:var(--ember);margin-left:.07em;transform:translateY(-.04em)}

/* botones: cantos rectos (editorial), CTA = negro con flecha */
.btn{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;font-weight:700;
  padding:11px 20px;border:1px solid var(--line2);color:var(--text);cursor:pointer;transition:.18s}
.btn:hover{border-color:var(--text);background:var(--surface-2)}
.btn-solid{background:var(--negro);color:#fff;border-color:var(--negro)}
.btn-solid:hover{background:#000;color:#fff}
.btn .arr{width:.85em;height:.85em;transition:transform .25s}
.btn-solid:hover .arr{transform:translate(2px,-2px)}

header{padding:clamp(48px,8vw,84px) 0 clamp(28px,4vw,40px)}

section{padding:clamp(40px,7vw,64px) 0;border-top:1px solid var(--line)}

/* cards / paneles — B/N, hairline, casi sin sombra */
.card,.panel{background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:26px}
.panel{background:var(--surface-2)}
h3{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.16em;
  color:var(--text-faint);font-weight:500;margin:0 0 16px}

/* formularios */
.field{margin:0 0 16px}
label{display:block;font-size:14px;color:var(--text);margin:0 0 7px;font-weight:500}
input,select,textarea{width:100%;background:var(--surface);border:1px solid var(--line2);color:var(--text);
  border-radius:2px;padding:11px 12px;font-size:15px;font-family:var(--font-sans)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--text)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{display:grid;gap:9px;margin-top:4px}
.chk{display:flex;align-items:center;gap:10px;font-size:14.5px;padding:11px 12px;border:1px solid var(--line);border-radius:2px;cursor:pointer;transition:.12s}
.chk:hover{border-color:var(--line2);background:var(--surface-2)}
.chk input{width:18px;height:18px;accent-color:var(--ember);margin:0}
.chk .price{margin-left:auto;font-family:var(--font-mono);font-size:12px;color:var(--text-faint)}

/* layout calculadora */
.calc,.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}
.result{position:sticky;top:90px}
.amt{font-family:var(--font-display);font-size:clamp(34px,5vw,46px);font-weight:600;letter-spacing:-.04em;line-height:1.02}
.amt .cur{font-family:var(--font-mono);font-size:16px;color:var(--text-dim);font-weight:500;letter-spacing:0}
.range-note,.out-sub{color:var(--text-dim);font-size:14px;margin-top:6px;font-family:var(--font-mono)}
.meta-row,.out-row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.meta-row .k,.out-row .k{color:var(--text-dim)} .meta-row .v,.out-row .v{font-weight:600;font-family:var(--font-mono)}

.disc{margin-top:16px;font-size:13px;color:var(--text-dim);border-left:2px solid var(--ember);padding:10px 0 10px 14px;line-height:1.55}
.cta{margin-top:18px}
.cta .btn-solid{display:block;text-align:center;padding:14px}
.cta .wa{display:block;text-align:center;margin-top:9px;font-size:13px;color:var(--text-faint);font-family:var(--font-mono)}

/* CTA-box (banda) */
.cta-box{margin-top:28px;border:1px solid var(--line2);border-radius:3px;padding:24px;background:var(--surface-2);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-box .t{font-size:16px;line-height:1.5}.cta-box .t b{color:var(--ember)}

/* tool cards (hub) */
.tool-card{display:block;border:1px solid var(--line);border-radius:3px;padding:22px;background:var(--surface);transition:.15s}
.tool-card:hover{border-color:var(--line2);background:var(--surface-2)}
.tool-card p{color:var(--text-dim);font-size:14.5px;margin:0}
.tool-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ember)}
.soon{opacity:.5;pointer-events:none}.soon .tag{color:var(--text-faint)}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:18px 2px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--ember);font-family:var(--font-mono)}
.faq details[open] summary::after{content:'–'}
.faq p{color:var(--text-dim);margin:11px 0 0;font-size:15px}

/* artículo */
article{font-size:17.5px;line-height:1.7;color:#23262d}
article p{margin:18px 0} article h2{margin:34px 0 0} article strong{color:var(--text)}
article a{color:var(--text);text-decoration:underline;text-decoration-color:var(--line2);text-underline-offset:3px}
article a:hover{text-decoration-color:var(--ember)}
table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line)}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{background:var(--surface-2);font-weight:600} td:last-child{font-family:var(--font-mono);white-space:nowrap}
.box{background:var(--surface-2);border-left:2px solid var(--ember);border-radius:0 3px 3px 0;padding:16px 18px;margin:26px 0;font-size:15.5px}
.cta-dark{background:var(--negro);color:#fafafa;border-radius:3px;padding:28px;margin:34px 0;text-align:center}
.cta-dark h3{font-family:var(--font-display);font-weight:600;text-transform:none;letter-spacing:-.02em;font-size:21px;color:#fff;margin:0 0 6px}
.cta-dark p{margin:0 0 16px;color:#c9c9c9}
.cta-dark a{display:inline-block;background:#fafafa;color:var(--negro);text-decoration:none;font-weight:600;font-family:var(--font-mono);font-size:13px;padding:12px 22px;border-radius:2px}

.mono{font-family:var(--font-mono)}

/* ── Footer oficial (réplica de SiteFooter de la landing) ── */
.site-footer{border-top:1px solid var(--line);padding-top:clamp(4rem,10vw,8rem);margin-top:clamp(3rem,7vw,6rem)}
.site-footer .top{display:grid;gap:48px}
@media(min-width:720px){.site-footer .top{grid-template-columns:5fr 4fr;justify-content:space-between}}
.site-footer .claim{font-family:var(--font-display);font-size:20px;font-weight:500;line-height:1.35;letter-spacing:-.02em;max-width:24rem;margin:0;color:var(--text);text-wrap:pretty}
.site-footer .start{margin-top:26px;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--accent-ink)}
.site-footer .start .arr{width:15px;height:15px;transition:transform .3s}
.site-footer .start:hover .arr{transform:translate(2px,-2px)}
.site-footer .cols{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.site-footer .cols .h{font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.18em;color:var(--text-faint);margin:0}
.site-footer .cols ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:11px}
.site-footer .cols a{font-family:var(--font-display);font-size:14.5px;color:var(--text-dim);transition:color .15s}
.site-footer .cols a:hover{color:var(--text)}
.site-footer .giant{margin-top:clamp(40px,7vw,64px);display:flex;align-items:baseline;user-select:none;line-height:.85}
.site-footer .giant .w{font-family:var(--font-display);font-weight:600;font-size:18vw;line-height:.85;letter-spacing:-.045em;color:var(--text)}
.site-footer .giant .gdot{margin-left:.9vw;display:inline-block;width:2vw;height:2vw;border-radius:3px;background:var(--ember)}
@media(min-width:640px){.site-footer .giant .w{font-size:15vw}.site-footer .giant .gdot{width:1.6vw;height:1.6vw}}
.site-footer .bar{border-top:1px solid var(--line);margin-top:24px;padding:28px 0;display:flex;flex-direction:column;gap:12px;font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-faint)}
@media(min-width:640px){.site-footer .bar{flex-direction:row;align-items:center;justify-content:space-between}}
.site-footer .bar a:hover{color:var(--text)}

.link-underline{position:relative;display:inline-block}
.link-underline::after{content:'';position:absolute;left:0;bottom:-2px;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .45s cubic-bezier(.22,1,.36,1)}
.link-underline:hover::after{transform:scaleX(1);transform-origin:left}

@media(max-width:780px){.calc,.grid,.row2{grid-template-columns:1fr}.result{position:static}
  .nav-links a:not(.btn){display:none}}