/* FinanzaPro — estilos compartidos (mobile-first) · sistema visual premium */
:root{
  --paper:#091A2E; --surface:#0E2438; --surface-2:#14314C;
  --ink:#F5F7F8; --muted:#A3BDD6;
  --green:#0A977E; --green-2:#CBF56A; --mint:#1E3A2A;
  --coral:#ff9a85; --yellow:#CBF56A; --line:#24405E;
  --accent:#CBF56A; --accent-ink:#091A2E;
  --radius:14px; --shadow:0 18px 50px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --paper:#F5F7F8; --surface:#ffffff; --surface-2:#E5EFFD;
  --ink:#091A2E; --muted:#4A6278;
  --green:#0A977E; --green-2:#0A977E; --mint:#DFF0EC;
  --coral:#c2410c; --yellow:#96700a; --line:#D4E2F0;
  --accent:#0A977E; --accent-ink:#ffffff;
  --shadow:0 14px 34px rgba(9,26,46,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:"Newsreader",Georgia,serif;line-height:1.2;letter-spacing:-.01em}
h1{font-size:2rem;margin:.4em 0}
h2{font-size:1.5rem;margin:1.6em 0 .5em}
h3{font-size:1.2rem;margin:1.2em 0 .4em}
p{margin:.6em 0}
a{color:var(--green-2)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--yellow);margin:0 0 .4em}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:14px;padding:12px 18px;max-width:1080px;margin:0 auto}
.logo{font-family:"Newsreader",serif;font-weight:650;font-size:1.25rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo b{color:var(--green-2)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--muted);text-decoration:none;font-size:.92rem;padding:8px 10px;border-radius:8px}
.nav a:hover,.nav a.active{color:var(--ink);background:var(--mint)}
.header-controls{display:flex;align-items:center;gap:8px}
select.cur{background:var(--surface);color:var(--ink);border:1px solid var(--line);
  border-radius:10px;padding:7px 8px;font-size:.85rem;font-weight:600}
.icon-btn{background:var(--surface);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;width:36px;height:36px;cursor:pointer;font-size:1rem;line-height:1}
.icon-btn:hover{border-color:var(--green-2)}
@media(max-width:760px){.nav{display:none}}

/* Hero */
.hero{padding:44px 0 26px}
.hero h1{font-size:2.4rem;margin:.2em 0}
.hero .lead{color:var(--muted);font-size:1.08rem;max-width:640px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* Botones */
.btn{display:inline-block;border:none;cursor:pointer;text-decoration:none;
  font-weight:700;font-size:.95rem;padding:12px 20px;border-radius:12px;
  background:var(--accent);color:var(--accent-ink)}
.btn:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--green-2)}
.btn-sm{padding:8px 14px;font-size:.85rem}

/* Tarjetas */
.grid{display:grid;gap:14px;grid-template-columns:1fr;margin:18px 0}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.card{position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
  transition:transform .15s ease,border-color .15s ease}
a.card{text-decoration:none;color:inherit;display:block}
a.card:hover{transform:translateY(-3px);border-color:var(--green-2)}
.card .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green-2);background:var(--mint);
  padding:4px 10px;border-radius:999px;margin-bottom:10px}
.card h3{margin:.2em 0 .3em;font-size:1.25rem}
.card p{color:var(--muted);font-size:.95rem;margin:.3em 0 .8em}
.card-link{color:var(--green-2);font-weight:700;font-size:.92rem}
.card-meta{display:block;font-size:.8rem;color:var(--muted);margin:.1em 0 .7em}
.fav-btn{position:absolute;top:12px;right:12px;background:transparent;border:none;
  font-size:1.3rem;cursor:pointer;opacity:.45;line-height:1;padding:6px}
.fav-btn.on{opacity:1}
.fav-btn::before{content:"☆";color:var(--yellow)}
.fav-btn.on::before{content:"★"}
.area-head{display:flex;align-items:baseline;gap:10px;margin:34px 0 4px}
.area-head h2{margin:0}
.area-head span{color:var(--muted);font-size:.9rem}

/* Herramientas */
.tool-head{padding:34px 0 8px}
.tool-head h1{margin:.2em 0}
.tool-intro{color:var(--muted);max-width:680px;font-size:1.05rem}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin:20px 0}
.field{margin:0 0 14px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field .hint{font-weight:400;color:var(--muted);font-size:.82rem}
.input{width:100%;background:var(--paper);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:11px 13px;font-size:1rem;font-family:inherit}
.input:focus{outline:2px solid var(--green-2);outline-offset:1px;border-color:var(--green-2)}
.form-row{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:640px){.form-row.cols-2{grid-template-columns:1fr 1fr}.form-row.cols-3{grid-template-columns:1fr 1fr 1fr}}
.calc-note{color:var(--muted);font-size:.82rem}
.results{display:grid;gap:10px;margin-top:16px}
.result{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.result span{display:block;font-size:.82rem;color:var(--muted)}
.result b{font-size:1.25rem;font-family:"Newsreader",serif}
.result.highlight{border-color:var(--green-2)}
.result.highlight b{color:var(--green)}
@media(min-width:640px){.results.cols-2{grid-template-columns:1fr 1fr}.results.cols-3{grid-template-columns:repeat(3,1fr)}}

/* Semáforo */
.alert{border-radius:12px;padding:14px 16px;margin:14px 0;border:1px solid var(--line);font-size:.95rem}
.alert.ok{background:color-mix(in srgb,var(--green-2) 14%,transparent);border-color:var(--green-2)}
.alert.warn{background:color-mix(in srgb,var(--yellow) 12%,transparent);border-color:var(--yellow)}
.alert.bad{background:color-mix(in srgb,var(--coral) 12%,transparent);border-color:var(--coral)}
.alert b{display:block;margin-bottom:2px}
.dot{display:inline-block;width:.7em;height:.7em;border-radius:50%;margin-right:.4em}
.dot.ok{background:var(--green-2)}.dot.warn{background:var(--yellow)}.dot.bad{background:var(--coral)}

/* Tablas */
.tbl-wrap{overflow:auto;max-height:340px;border:1px solid var(--line);border-radius:10px;margin:14px 0}
table.tbl{width:100%;border-collapse:collapse;font-size:.88rem;min-width:520px}
.tbl th,.tbl td{padding:9px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl thead th{position:sticky;top:0;background:var(--surface-2);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tbl tbody tr:nth-child(even){background:color-mix(in srgb,var(--surface-2) 45%,transparent)}

/* Gráficos */
.chart-box{position:relative;max-width:560px;margin:18px auto}
.formula{background:var(--mint);border:1px dashed var(--green-2);border-radius:10px;
  padding:12px 16px;margin:14px 0;font-weight:600;color:var(--green)}

/* Cajas de interpretación / recomendaciones */
.interp-box{background:var(--surface);border-left:4px solid var(--green-2);
  border-radius:0 12px 12px 0;padding:14px 18px;margin:18px 0}
.interp-box h3{margin-top:0}
.reco-list{margin:.4em 0;padding-left:1.2em}
.reco-list li{margin:.45em 0}
.related{margin:26px 0}
.share-row{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0;align-items:center}

/* Deudas dinámicas */
.deuda-row{background:var(--paper);border:1px solid var(--line);border-radius:10px;
  padding:14px;margin-bottom:12px;position:relative}
.deuda-row .rm{position:absolute;top:8px;right:8px}
.progress{height:10px;background:var(--paper);border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:8px 0}
.progress i{display:block;height:100%;background:var(--green-2);border-radius:999px;transition:width .4s}

/* Publicidad */
.ad-slot{margin:26px auto;text-align:center;max-width:728px}
.ad-label{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.ad-slot iframe{max-width:100%}

/* Artículos */
.article-body{max-width:720px}
.article-body h2{font-size:1.9rem}
.article-body h3{color:var(--green)}
.article-body .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green-2);background:var(--mint);
  padding:4px 10px;border-radius:999px;margin-bottom:8px}
.article-meta{color:var(--muted);font-size:.85rem;margin-bottom:14px}
.back-link{display:inline-block;margin:18px 0 0;color:var(--muted);text-decoration:none;font-size:.9rem}
.back-link:hover{color:var(--ink)}

/* Footer */
.site-footer{border-top:1px solid var(--line);margin-top:48px;padding:26px 0 34px;color:var(--muted);font-size:.88rem}
.footer-grid{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start}
.footer-grid nav{display:flex;gap:14px;flex-wrap:wrap}
.footer-grid nav a{color:var(--muted);text-decoration:none}
.footer-grid nav a:hover{color:var(--ink)}
.disclaimer{max-width:640px}

/* Utilidades */
.mt{margin-top:22px}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:.85rem}
.section{padding:10px 0}
.divider{border:none;border-top:1px solid var(--line);margin:26px 0}

/* Migas de pan (breadcrumbs) */
.breadcrumbs{font-size:.85rem;padding:.6rem 0;color:var(--muted,#94a3b8)}
.breadcrumbs a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.breadcrumbs span{font-weight:600;color:inherit}