/* ============================================================
   CRAIEM · Utilidades — estilos compartidos de las calculadoras
   Paleta y tipografía alineadas con la landing principal.
   ============================================================ */
:root{
  --ink:#0e2233;
  --ink-soft:#33475b;
  --paper:#faf8f4;
  --paper-2:#ffffff;
  --gold:#16b877;      /* verde de marca (logo CRAIEM) */
  --gold-dark:#0d8a57; /* verde oscuro para texto/hover */
  --navy:#0e2233;
  --navy-2:#13304a;
  --line:rgba(14,34,51,.12);
  --ok:#1f7a5a;
  --warn:#b5591f;
  --radius:16px;
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:500;line-height:1.15;letter-spacing:-.01em}
a{color:var(--gold-dark)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.topbar .brand{font-family:'Fraunces',serif;font-size:1.3rem;font-weight:600;color:#fff;text-decoration:none}
.topbar .brand span{color:var(--gold)}
.topbar .back{color:rgba(255,255,255,.75);font-size:.85rem;text-decoration:none;font-weight:500}
.topbar .back:hover{color:#fff}

/* page head */
.phead{padding:38px 0 8px}
.phead .eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold-dark);font-weight:700;margin-bottom:.6rem}
.phead h1{font-size:clamp(1.8rem,5vw,2.5rem)}
.phead p.sub{color:var(--ink-soft);margin-top:.6rem;font-size:1.02rem}

/* card */
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:22px 0}
.card h2{font-size:1.15rem;margin-bottom:4px}

/* form fields */
.field{margin:16px 0}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px}
.field .hint{font-weight:400;color:var(--ink-soft);font-size:.82rem}
.field input[type=text],.field input[type=number],.field select{
  width:100%;font-size:1.1rem;font-family:inherit;color:var(--ink);
  background:var(--paper);border:1.5px solid var(--line);border-radius:11px;padding:.72rem .9rem}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);background:#fff}
.field .money{position:relative}
.field .money:before{content:"$";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--ink-soft);font-weight:600;pointer-events:none}
.field .money input{padding-left:26px}

/* radios / segmented */
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{flex:1;min-width:64px;border:1.5px solid var(--line);border-radius:11px;
  padding:.7rem .9rem;cursor:pointer;font-weight:600;font-size:.92rem;text-align:center;
  display:flex;align-items:center;justify-content:center;gap:.4rem;transition:.15s;background:var(--paper)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg input:checked + span,.seg label:has(input:checked){}
.seg label:has(input:checked){border-color:var(--gold);background:#e6f7ee;color:var(--gold-dark)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* result */
.result{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;
  border-radius:var(--radius);padding:24px;margin:22px 0}
.result .rlabel{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.result .rbig{font-family:'Fraunces',serif;font-size:clamp(2rem,8vw,2.8rem);color:#fff;margin:.15rem 0 .1rem;
  font-variant-numeric:tabular-nums}
.result .rbig .accent{color:var(--gold)}
.result .rnote{font-size:.9rem;color:rgba(255,255,255,.75)}

/* breakdown */
.break{margin-top:16px;border-top:1px solid rgba(255,255,255,.15);padding-top:14px}
.break .row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;font-size:.95rem;
  color:rgba(255,255,255,.9);font-variant-numeric:tabular-nums}
.break .row .k{color:rgba(255,255,255,.7)}
.break .row.total{font-weight:700;color:#fff;border-top:1px dashed rgba(255,255,255,.2);margin-top:6px;padding-top:10px}

/* callout / alerts */
.callout{border-radius:12px;padding:12px 14px;font-size:.92rem;margin:14px 0}
.callout.ok{background:#e8f5ef;color:var(--ok);border:1px solid #b9e2d1}
.callout.warn{background:#fdf0e6;color:var(--warn);border:1px solid #f4d3b8}
.callout.info{background:#eef3f8;color:var(--navy-2);border:1px solid #d3e0ec}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;
  font-size:.98rem;padding:.85rem 1.3rem;border-radius:999px;border:0;cursor:pointer;
  text-decoration:none;white-space:nowrap;line-height:1;width:100%}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1eb658}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-dark)}

/* CTA final */
.cta{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin:26px 0;text-align:center}
.cta h3{font-size:1.3rem;margin-bottom:.4rem}
.cta p{color:var(--ink-soft);margin-bottom:16px}

/* pasos "cómo calcular" */
.steps{counter-reset:s;list-style:none;margin:6px 0 22px}
.steps li{position:relative;padding:9px 0 9px 42px;color:var(--ink-soft);font-size:.97rem}
.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:8px;
  width:27px;height:27px;border-radius:50%;background:var(--gold);color:#fff;font-weight:700;
  display:grid;place-items:center;font-size:.85rem}
.steps li strong{color:var(--ink)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--paper-2);
  margin-bottom:10px;padding:2px 18px}
.faq summary{list-style:none;cursor:pointer;font-weight:600;padding:14px 0;
  display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-size:1.4rem;font-weight:400}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--ink-soft);padding:0 0 16px;font-size:.95rem}

/* legal + footer */
.legal{font-size:.8rem;color:var(--ink-soft);background:#f1ece3;border-radius:10px;
  padding:12px 14px;margin:18px 0}
footer.foot{text-align:center;color:var(--ink-soft);font-size:.82rem;padding:26px 0 40px}
footer.foot a{color:var(--gold-dark)}

/* hub cards */
.hub{display:grid;grid-template-columns:1fr;gap:16px;margin:24px 0}
.hub a.tool{display:block;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-decoration:none;color:var(--ink);transition:.2s}
.hub a.tool:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(14,34,51,.08);border-color:transparent}
.hub a.tool .ic{font-size:1.8rem}
.hub a.tool h2{font-size:1.25rem;margin:.5rem 0 .3rem}
.hub a.tool p{color:var(--ink-soft);font-size:.95rem}
.hub a.tool .go{display:inline-block;margin-top:10px;color:var(--gold-dark);font-weight:700;font-size:.9rem}

@media(min-width:640px){
  .hub{grid-template-columns:1fr 1fr}
  .hub a.tool:first-child{grid-column:1 / -1}
}