/* miscalculadoras.cl — estilos del sitio (cabecera, pie, portada, páginas).
   Las calculadoras traen sus propios estilos: aquí NO se tocan inputs/botones/encabezados globales. */
:root{--bg:#f5f7fa;--card:#fff;--txt:#1f2d3d;--muted:#5b6b7d;--brand:#e5007e;--brand2:#2e3b4e;--line:#e3e8ef;--radius:14px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto}
a{color:var(--brand)}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:20px;padding-bottom:40px;min-height:60vh}

/* Cabecera */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand img{display:block;height:56px;width:auto}
.nav ul{list-style:none;margin:0;padding:0}
.nav>ul{display:flex;gap:4px;align-items:center}
.nav>ul>li>a,.nav>ul>li>button{display:block;padding:10px 12px;border-radius:8px;color:var(--brand2);text-decoration:none;font:600 15px/1.2 inherit;background:none;border:0;cursor:pointer}
.nav>ul>li>a:hover,.nav>ul>li>button:hover,.dd.open>button{background:#fdf0f7;color:var(--brand)}
.dd{position:relative}
.dd>button::after{content:" ▾";font-size:.8em}
.dd>ul{display:none;position:absolute;top:100%;left:0;min-width:280px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.08);padding:6px}
.dd.open>ul{display:block}
.dd>ul a{display:block;padding:8px 10px;border-radius:6px;color:var(--txt);text-decoration:none;font-size:15px}
.dd>ul a:hover{background:var(--bg);color:var(--brand)}
.menu-btn{display:none;font-size:26px;background:none;border:0;cursor:pointer;color:var(--brand2);padding:6px 10px}
@media (min-width:861px){.dd:hover>ul{display:block}}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);max-height:80vh;overflow:auto}
  .nav.open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;padding:8px 16px 16px}
  .dd>ul{position:static;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}
}

/* Migas y relacionados */
.crumbs{font-size:14px;color:var(--muted);margin-bottom:8px}
.crumbs a{color:var(--muted)}
.calc{overflow-x:auto}
.related{margin-top:40px}
.related h2,.cat h2{font-size:1.3rem;color:var(--brand2);margin:0 0 14px}

/* Portada */
.hero{text-align:center;padding:28px 0 8px}
.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;margin:0 0 10px;color:var(--brand2)}
.hero p{color:var(--muted);max-width:640px;margin:0 auto}
.ticker{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:18px 0 0;min-height:44px}
.ticker span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:14px}
.ticker b{color:var(--brand)}
.cat{margin-top:32px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--txt);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.07);border-color:#f3bcd9}
.card .abbr{align-self:flex-start;font:700 12px/1 ui-monospace,Menlo,monospace;color:var(--brand);border:1px solid #f3bcd9;border-radius:6px;padding:5px 7px;letter-spacing:.05em}
.card .t{font-weight:700;color:var(--brand2)}
.card .d{font-size:14px;color:var(--muted);line-height:1.45}

/* Páginas de texto y contacto */
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(18px,4vw,40px);max-width:820px;margin:0 auto}
.prose h1{margin-top:0;color:var(--brand2)}
.form{display:grid;gap:14px;margin-top:20px}
.form label{display:grid;gap:6px;font-weight:600;font-size:15px}
.form input,.form textarea{font:inherit;padding:11px 12px;border:1px solid #cdd6e1;border-radius:8px;width:100%}
.form button{justify-self:start;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:12px 22px;font:600 16px/1 inherit;cursor:pointer}
.form button[disabled]{opacity:.6}
.form .hp{position:absolute;left:-9999px}
.form-msg{margin:0;font-weight:600}

/* Pie */
.site-footer{background:var(--brand2);color:#d6dde6;font-size:14px;padding:26px 0}
.site-footer a{color:#fff}
.site-footer p{margin:4px 0}
.site-footer .muted{color:#9fb0c3}