/* CuandoCobro (marca provisional) — hoja de estilos compartida. Un solo archivo, sin frameworks. */
:root{
  --navy:#0b3050;
  --navy-dark:#07233c;
  --teal:#0e7c7b;
  --teal-dark:#095e5d;
  --ink:#1c2733;
  --muted:#54687c;
  --bg:#f4f7fa;
  --card:#ffffff;
  --line:#d7e1ea;
  --amber-bg:#fff6e0;
  --amber-line:#e3b93c;
  --green-bg:#e9f6ec;
  --radius:12px;
  --maxw:1060px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
}
a{color:var(--teal-dark)}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}

/* Header */
.site-header{background:var(--navy);color:#fff}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;padding-top:14px;padding-bottom:14px}
.logo{font-size:1.45rem;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-.02em}
.logo span{color:#57d0c9}
.logo:hover{text-decoration:none}
.tagline{color:#bcd2e4;font-size:.88rem;margin:0}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;flex-wrap:wrap;gap:4px 16px;list-style:none;margin:0;padding:0}
.main-nav a{color:#eaf2f8;text-decoration:none;font-size:.95rem;font-weight:600}
.main-nav a:hover{text-decoration:underline}

/* Hero / banners */
.hero{background:linear-gradient(180deg,var(--navy) 0%,#0d4066 100%);color:#fff;padding:34px 0 40px}
.hero h1{font-size:2rem;line-height:1.2;margin:0 0 10px;letter-spacing:-.01em}
.hero p{color:#d5e5f2;max-width:46rem;margin:0 0 8px}
.page-head{background:var(--navy);color:#fff;padding:26px 0 28px}
.page-head h1{font-size:1.8rem;line-height:1.25;margin:0 0 8px}
.page-head p{color:#d5e5f2;max-width:48rem;margin:0}
.alert-banner{background:var(--amber-bg);border-bottom:3px solid var(--amber-line)}
.alert-banner .wrap{padding-top:12px;padding-bottom:12px;font-size:.98rem}
.alert-banner strong{color:#6d5200}
.breadcrumb{font-size:.88rem;color:var(--muted);padding:14px 0 0}
.breadcrumb a{color:var(--muted)}

/* Layout */
main{padding:26px 0 44px}
h2{font-size:1.35rem;margin:30px 0 10px;color:var(--navy-dark);letter-spacing:-.01em}
h2:first-child{margin-top:0}
h3{font-size:1.08rem;margin:20px 0 6px;color:var(--navy-dark)}
p{margin:0 0 12px}
ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:5px}
.small{font-size:.88rem;color:var(--muted)}
.updated{font-size:.85rem;color:var(--muted);margin-top:6px}
.page-head .updated{color:#bcd2e4}

/* Cards and grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:16px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:block;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--teal);box-shadow:0 2px 10px rgba(11,48,80,.08)}
.card h3{margin:0 0 4px;font-size:1.05rem;color:var(--navy-dark)}
.card p{margin:0;font-size:.92rem;color:var(--muted)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:18px 0}
.panel-teal{border-top:5px solid var(--teal)}
.panel-navy{border-top:5px solid var(--navy)}
.note{background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:var(--radius);padding:14px 18px;margin:16px 0}
.note p:last-child{margin-bottom:0}
.good{background:var(--green-bg);border:1px solid #9fd3a8;border-radius:var(--radius);padding:14px 18px;margin:16px 0}

/* Tables */
.table-scroll{overflow-x:auto;margin:14px 0 20px}
table{border-collapse:collapse;width:100%;background:var(--card);font-size:.96rem}
caption{text-align:left;font-weight:700;padding:8px 2px;color:var(--navy-dark)}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
thead th{background:var(--navy);color:#fff}
tbody tr:nth-child(even){background:#f0f4f8}
td.early{font-weight:700;color:var(--teal-dark)}
.tag-early{display:inline-block;background:var(--teal);color:#fff;border-radius:20px;font-size:.75rem;font-weight:700;padding:1px 9px;margin-left:6px;vertical-align:middle}
.tag-ok{display:inline-block;background:var(--teal);color:#fff;border-radius:20px;font-size:.75rem;font-weight:700;padding:1px 9px;margin-left:6px;vertical-align:middle}
.tag-hab{display:inline-block;background:#e8eef3;color:var(--muted);border:1px solid var(--line);border-radius:20px;font-size:.75rem;font-weight:700;padding:1px 9px;margin-left:6px;vertical-align:middle}

/* Calculator */
.calc{background:var(--card);border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:var(--radius);padding:22px;margin:20px 0}
.calc h2,.calc h3{margin-top:0}
.field{margin-bottom:16px}
label{display:block;font-weight:700;margin-bottom:6px;color:var(--navy-dark)}
select,input[type="date"],input[type="number"]{
  width:100%;max-width:420px;padding:11px 12px;font-size:1rem;border:1.5px solid #9db4c6;border-radius:8px;background:#fff;color:var(--ink);
}
select:focus,input:focus{outline:3px solid #9adcd9;outline-offset:1px;border-color:var(--teal)}
.btn{
  background:var(--teal);color:#fff;border:none;border-radius:8px;padding:12px 26px;
  font-size:1rem;font-weight:700;cursor:pointer;
}
.btn:hover{background:var(--teal-dark)}
.calc-results{margin-top:18px}
.calc-results table{margin-top:8px}
.calc-warning{background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:8px;padding:10px 14px;font-size:.93rem;margin-top:12px}
.calc-error{background:#fdecec;border:1px solid #e5a3a3;border-radius:8px;padding:10px 14px;margin-top:12px}

/* FAQ */
.faq{margin:10px 0 20px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:9px}
.faq summary{font-weight:700;cursor:pointer;color:var(--navy-dark)}
.faq details p{margin:9px 0 2px}

/* Highlight panel */
.next-holiday{font-size:1.05rem}
.next-holiday .big{font-size:1.3rem;font-weight:800;color:var(--navy-dark)}

/* Footer */
.site-footer{background:var(--navy-dark);color:#c9d9e7;margin-top:10px}
.site-footer .wrap{padding-top:26px;padding-bottom:30px}
.site-footer nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;margin:0 0 14px;padding:0}
.site-footer a{color:#eaf2f8;text-decoration:none;font-size:.92rem}
.site-footer a:hover{text-decoration:underline}
.site-footer p{font-size:.88rem;margin:0 0 8px;max-width:60rem}

@media (max-width:640px){
  body{font-size:16px}
  .hero h1{font-size:1.55rem}
  .page-head h1{font-size:1.4rem}
  .main-nav{margin-left:0}
  th,td{padding:7px 9px}
}

/* Accessibility */
.btn-secondary{background:#fff;color:var(--teal-dark);border:2px solid var(--teal);padding:10px 20px;margin-top:10px}
.btn-secondary:hover{background:var(--green-bg)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 18px;z-index:50;font-weight:700;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #9adcd9;outline-offset:2px}