/* CalculaHogar — estilos globales */
:root {
  --bg: #f7f8f6;
  --surface: #ffffff;
  --text: #1c2521;
  --muted: #5b6862;
  --border: #dfe5e1;
  --primary: #1f7a55;
  --primary-dark: #155c40;
  --primary-soft: #e6f3ec;
  --accent: #f2a93b;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --max: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
a:hover { color: var(--primary-dark); }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: .2em 0 .4em; }
h2 { font-size: 1.45rem; margin-top: 2em; }
h3 { font-size: 1.15rem; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* Cabecera */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.logo { font-weight: 800; font-size: 1.25rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: grid; place-items: center; font-size: .95rem; }
.logo span.hl { color: var(--primary); }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 1.1rem; cursor: pointer; }
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--surface); flex-direction: column; gap: 0; border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 16px; border-top: 1px solid var(--border); }
}

/* Migas */
.breadcrumbs { font-size: .85rem; color: var(--muted); margin: 18px 0 0; }
.breadcrumbs a { color: var(--muted); }

/* Portada */
.hero { padding: 48px 0 28px; text-align: center; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 24px; }
.search { max-width: 520px; margin: 0 auto; }
.search input { width: 100%; padding: 14px 18px; font-size: 1rem; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); box-shadow: var(--shadow); }
.search input:focus { outline: 2px solid var(--primary); border-color: transparent; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.card-link { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-decoration: none; color: var(--text); box-shadow: var(--shadow); transition: transform .15s, border-color .15s; }
.card-link:hover { transform: translateY(-2px); border-color: var(--primary); color: var(--text); }
.card-link .icon { font-size: 1.8rem; }
.card-link h3 { margin: 8px 0 4px; }
.card-link p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.5; }
.tag { display: inline-block; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--primary); background: var(--primary-soft); padding: 2px 8px; border-radius: 999px; }

/* Diseño de calculadora */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; margin: 12px 0 48px; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }
.lead { font-size: 1.1rem; color: var(--muted); }
.updated { font-size: .82rem; color: var(--muted); margin-top: -6px; }

.calc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin: 20px 0; }
.calc .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: .92rem; }
.field small { color: var(--muted); font-size: .8rem; line-height: 1.4; }
.field input, .field select {
  padding: 11px 12px; font-size: 1rem; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid var(--primary); border-color: transparent; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; margin-bottom: 14px; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); }

.btn { display: inline-block; background: var(--primary); color: #fff; border: 0; border-radius: 8px; padding: 12px 22px; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); color: var(--primary-dark); }
.btn-sm { padding: 6px 12px; font-size: .88rem; }

.result { margin-top: 20px; background: var(--primary-soft); border-radius: var(--radius); padding: 20px; display: none; }
.result.show { display: block; }
.result .big { font-size: 2rem; font-weight: 800; color: var(--primary-dark); line-height: 1.2; }
.result .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-top: 14px; }
.result .stat { background: var(--surface); border-radius: 8px; padding: 12px; }
.result .stat b { display: block; font-size: 1.2rem; }
.result .stat span { font-size: .8rem; color: var(--muted); }
.result p { margin: 10px 0 0; }

table.data { width: 100%; border-collapse: collapse; margin: 16px 0; background: var(--surface); font-size: .95rem; }
table.data th, table.data td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
table.data th { background: var(--primary-soft); }
.table-wrap { overflow-x: auto; }

.content { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 24px 24px; }
.content h2:first-child { margin-top: 1em; }

details { border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin: 10px 0; background: var(--surface); }
details summary { font-weight: 600; cursor: pointer; }
details p { margin: 10px 0 0; }

.note { border-left: 4px solid var(--accent); background: #fff8ec; padding: 12px 16px; border-radius: 0 8px 8px 0; font-size: .95rem; }

/* Productos recomendados (Amazon Afiliados) */
.affiliate { margin: 24px 0; }
.affiliate h2 { font-size: 1.15rem; margin: 0 0 12px; }
.aff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.aff-item { display: flex; flex-direction: column; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s; }
.aff-item:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.aff-icon { font-size: 1.5rem; }
.aff-item b { font-size: .98rem; line-height: 1.3; }
.aff-item .aff-desc { font-size: .86rem; color: var(--muted); line-height: 1.45; flex: 1; }
.aff-cta { margin-top: 6px; font-size: .88rem; font-weight: 600; color: #b36b00; }
.aff-note { font-size: .78rem; color: var(--muted); margin: 8px 0 0; }

/* Barra lateral */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.side-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.side-box h3 { margin-top: 0; font-size: 1rem; }
.side-box ul { list-style: none; padding: 0; margin: 0; }
.side-box li { border-top: 1px solid var(--border); }
.side-box li:first-child { border-top: 0; }
.side-box li a { display: block; padding: 8px 0; text-decoration: none; font-size: .95rem; }
@media (min-width: 901px) { .sidebar .sticky { position: sticky; top: 80px; } }

/* Huecos de anuncios: se muestran vacíos hasta que AdSense esté activo */
.ad-slot { min-height: 100px; display: flex; align-items: center; justify-content: center; color: #aab4af; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; border: 1px dashed var(--border); border-radius: 8px; margin: 24px 0; }
.ad-slot.tall { min-height: 600px; }
body.ads-live .ad-slot { border: 0; }

/* Pie */
.site-footer { background: #17201c; color: #c7d0cb; padding: 40px 0 24px; margin-top: 48px; font-size: .92rem; }
.site-footer a { color: #c7d0cb; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; margin: 0 0 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }
.footer-bottom { border-top: 1px solid #2c3833; margin-top: 28px; padding-top: 16px; font-size: .82rem; color: #8d9a94; }

/* Banner de cookies */
.cookie-banner { position: fixed; left: 16px; right: 16px; bottom: 16px; max-width: 720px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 32px rgba(0,0,0,.15); padding: 18px 20px; z-index: 100; display: none; }
.cookie-banner.show { display: block; }
.cookie-banner p { margin: 0 0 12px; font-size: .92rem; }
.cookie-banner .actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Formulario de contacto y filas dinámicas */
.person-row { display: grid; grid-template-columns: 1fr 120px 40px; gap: 8px; margin-bottom: 8px; align-items: center; }
.person-row button { background: none; border: 1px solid var(--border); border-radius: 8px; height: 44px; cursor: pointer; font-size: 1.1rem; color: var(--muted); }
.person-row input { padding: 11px 12px; font-size: 1rem; border: 1px solid var(--border); border-radius: 8px; width: 100%; }