/* =========================================================
   AguaPuraHogar — Sistema de diseño
   Minimalista neutro: grises cálidos + acento azul pizarra.
   Mobile-first. CSS puro, sin frameworks.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Public+Sans:wght@400;500;600;700&display=swap');

:root{
  /* Color */
  --bg:            #FAF9F6;
  --bg-alt:        #F1F0EB;
  --surface:       #FFFFFF;
  --border:        #E1DFD7;
  --text:          #211F1B;
  --text-muted:    #6B675F;
  --accent:        #2C4A5E;
  --accent-light:  #6E97AC;
  --accent-bg:     #EAF1F4;
  --accent-ink:    #FFFFFF;

  /* Tipografía */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Escala (base 16px) */
  --step--1: 0.875rem;
  --step-0:  1rem;
  --step-1:  1.25rem;
  --step-2:  1.6rem;
  --step-3:  2rem;
  --step-4:  2.6rem;
  --step-5:  3.2rem;

  /* Layout */
  --maxw: 1180px;
  --gap: 24px;
  --radius: 3px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--accent); text-decoration: none; }
a:hover{ color: var(--accent-light); }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  color: var(--text);
}
h1{ font-size: var(--step-4); font-weight: 600; }
h2{ font-size: var(--step-3); }
h3{ font-size: var(--step-2); }
p{ margin: 0 0 1em 0; max-width: 68ch; }
ul, ol{ margin: 0 0 1em 0; padding-left: 1.2em; }
.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}
section{ padding: 56px 0; }
.section-alt{ background: var(--bg-alt); }

/* Foco visible accesible */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior:auto !important; }
}

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(250,249,246,0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  min-height: 68px;
}
.logo{
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo span{ color: var(--accent); }

.nav-toggle{
  display:flex; flex-direction:column; justify-content:center; gap:5px;
  width:44px; height:44px; background:none; border:1px solid var(--border);
  border-radius: var(--radius); cursor:pointer;
}
.nav-toggle span{ display:block; height:2px; width:20px; margin:0 auto; background: var(--text); }

.main-nav{
  position: fixed; inset: 68px 0 0 0;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform .28s ease;
  overflow-y:auto;
  padding: 24px 20px 40px;
}
.main-nav.is-open{ transform: translateX(0); }
.main-nav ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px; }
.main-nav a{
  display:block; padding: 14px 4px; color: var(--text);
  font-size: 1.05rem; border-bottom: 1px solid var(--border);
  min-height:44px;
}
.main-nav a:hover, .main-nav a.active{ color: var(--accent); }

@media (min-width: 900px){
  .nav-toggle{ display:none; }
  .main-nav{
    position:static; inset:auto; transform:none; background:transparent;
    padding:0; overflow: visible;
  }
  .main-nav ul{ flex-direction:row; gap: 4px; flex-wrap: wrap; justify-content:flex-end; }
  .main-nav a{
    border-bottom:none; padding: 10px 12px; font-size: 0.92rem; min-height:auto;
    white-space:nowrap;
  }
}

/* ---------- Hero ---------- */
.hero{ padding: 64px 0 40px; }
.hero .eyebrow{ color: var(--text-muted); font-size: var(--step--1); margin-bottom: 14px; max-width: 60ch; }
.hero h1{ max-width: 16ch; }
.hero .lede{ font-size: 1.15rem; color: var(--text-muted); max-width: 52ch; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 24px; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 13px 22px; border-radius: var(--radius);
  font-weight:600; font-size: 0.98rem; min-height:44px;
  border: 1px solid transparent; cursor:pointer;
}
.btn-primary{ background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover{ background: #223b4b; color:var(--accent-ink); }
.btn-secondary{ background: transparent; border-color: var(--border); color: var(--text); }
.btn-secondary:hover{ border-color: var(--accent); color: var(--accent); }

/* ---------- Divisor onda (motivo de marca: agua) ---------- */
.wave-divider{ width:100%; height:28px; display:block; margin: 0 auto; }
.wave-divider path{ fill:none; stroke: var(--accent-light); stroke-width:1.4; }

/* ---------- Trust bar ---------- */
.trust-bar{
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  padding: 20px 0;
}
.trust-bar ul{
  list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;
  font-size: var(--step--1); color: var(--text-muted);
}
@media (min-width:700px){
  .trust-bar ul{ flex-direction:row; flex-wrap:wrap; gap: 28px; }
}

/* ---------- Listado editorial de categorías ---------- */
.category-list{ list-style:none; margin:0; padding:0; border-top:1px solid var(--border); }
.category-list li{ border-bottom:1px solid var(--border); }
.category-list a{
  display:flex; flex-direction:column; gap:6px;
  padding: 22px 4px; color:var(--text);
  border-left: 3px solid transparent;
  transition: border-color .18s ease, padding-left .18s ease, background .18s ease;
}
.category-list a:hover{
  border-left-color: var(--accent);
  padding-left: 16px;
  background: var(--accent-bg);
  color: var(--text);
}
.category-list h3{ margin:0; font-size: 1.3rem; }
.category-list p{ margin:0; color: var(--text-muted); font-size: 0.96rem; max-width:60ch; }
@media (min-width:760px){
  .category-list a{ flex-direction:row; align-items:baseline; justify-content:space-between; gap:24px; }
  .category-list h3{ flex:0 0 300px; }
}

/* ---------- Tarjeta destacada / comparativa ---------- */
.callout{
  background: var(--surface); border:1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.callout-note{
  font-size: var(--step--1); color: var(--text-muted);
  border-left: 3px solid var(--accent-light); padding: 10px 16px;
  background: var(--accent-bg); margin: 18px 0;
}

/* ---------- Tabla comparativa ---------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--border); border-radius: var(--radius); }
table{ width:100%; border-collapse:collapse; min-width:560px; }
th, td{ text-align:left; padding:14px 16px; border-bottom:1px solid var(--border); font-size:0.95rem; }
thead th{ background: var(--bg-alt); font-family: var(--font-display); font-weight:500; }
tbody tr:last-child td{ border-bottom:none; }

/* ---------- Artículos / lista ---------- */
.article-list{ list-style:none; margin:0; padding:0; }
.article-list li{ padding: 16px 0; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; gap:16px; align-items:baseline; }
.article-list li:first-child{ padding-top:0; }
.tag-soon{ font-size: 0.78rem; color: var(--text-muted); border:1px solid var(--border); border-radius: 999px; padding: 2px 10px; white-space:nowrap; }

/* ---------- Ad placeholder ---------- */
.ad-slot{
  border: 1px dashed var(--border); background: var(--bg-alt);
  color: var(--text-muted); font-size: var(--step--1);
  text-align:center; padding: 18px; border-radius: var(--radius);
  margin: 32px 0;
}

/* ---------- Artículo (contenido largo) ---------- */
.article-header{ padding: 48px 0 24px; }
.article-meta{ color: var(--text-muted); font-size: var(--step--1); margin-bottom: 8px; }
.prose h2{ margin-top: 1.6em; }
.prose h3{ margin-top: 1.4em; font-size:1.25rem; }
.prose ul{ padding-left: 1.4em; }
.prose li{ margin-bottom: 0.4em; }
.figure{ margin: 28px 0; }
.figure figcaption{ font-size: var(--step--1); color: var(--text-muted); margin-top: 8px; }

.related-box{
  background: var(--surface); border:1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
}
.related-box h4{ font-family: var(--font-body); font-weight:700; font-size: 0.95rem; margin-bottom: 12px; }

/* ---------- Grid de dos columnas (artículo + sidebar) ---------- */
.article-grid{ display:grid; gap: 40px; }
@media (min-width: 900px){
  .article-grid{ grid-template-columns: minmax(0,1fr) 280px; align-items:start; }
  .sidebar{ position: sticky; top: 90px; }
}

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--border); padding: 48px 0 32px; background: var(--bg-alt); }
.footer-grid{ display:grid; gap:32px; grid-template-columns: 1fr; margin-bottom: 32px; }
.footer-grid h4{ font-family:var(--font-body); font-weight:700; font-size:0.9rem; margin-bottom:12px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; }
.footer-grid a{ color: var(--text-muted); font-size:0.92rem; }
.footer-grid a:hover{ color: var(--accent); }
.footer-note{ color: var(--text-muted); font-size: var(--step--1); border-top:1px solid var(--border); padding-top:20px; }
@media (min-width:700px){
  .footer-grid{ grid-template-columns: 2fr 1fr 1fr 1fr; }
}

/* ---------- Utilidades ---------- */
.text-muted{ color: var(--text-muted); }
.mt-0{ margin-top:0; }
.stack{ display:flex; flex-direction:column; gap: 8px; }
.pending{ background: #FBF3E7; border:1px solid #E7D2A8; color:#6B4E1B; padding:2px 8px; border-radius:3px; font-size:0.78rem; }

/* ---------- Páginas de texto legal / editorial ---------- */
.legal-page{ padding: 48px 0 64px; }
.legal-page .container{ max-width: 760px; }
.legal-page h2{ margin-top: 1.8em; font-size: var(--step-2); }
.legal-page h3{ margin-top: 1.4em; font-size: 1.15rem; }
.legal-page p, .legal-page li{ font-size: 0.98rem; }
.legal-page .updated{ color: var(--text-muted); font-size: var(--step--1); margin-bottom: 2em; }
.legal-page table{ min-width: 0; margin-bottom: 1.5em; }
mark.todo{ background:#FBF3E7; color:#6B4E1B; padding:1px 6px; border-radius:3px; }

/* ---------- Formulario de contacto ---------- */
.form-field{ display:flex; flex-direction:column; gap:6px; margin-bottom: 18px; }
.form-field label{ font-weight:600; font-size:0.92rem; }
.form-field input, .form-field textarea{
  font: inherit; padding: 11px 12px; border:1px solid var(--border);
  border-radius: var(--radius); background: var(--surface); color: var(--text);
}
.form-field textarea{ min-height: 140px; resize: vertical; }

/* ---------- Página 404 ---------- */
.error-page{ text-align:center; padding: 90px 0; }
.error-page h1{ font-size: var(--step-5); margin-bottom: 0.2em; }

/* ---------- Banner de consentimiento de cookies ---------- */
.cc-banner{
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200;
  max-width: 560px; margin: 0 auto;
  background: var(--surface); border:1px solid var(--border);
  border-radius: var(--radius); box-shadow: 0 8px 30px rgba(0,0,0,0.14);
  padding: 20px;
}
.cc-banner p{ font-size: 0.9rem; margin: 0 0 14px; max-width: none; }
.cc-banner .cc-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.cc-banner button{
  font: inherit; font-weight:600; font-size:0.9rem; cursor:pointer;
  padding: 10px 16px; border-radius: var(--radius); border:1px solid var(--accent);
  min-height: 40px;
}
.cc-accept{ background: var(--accent); color:#fff; }
.cc-reject{ background: transparent; color: var(--accent); }
.cc-config{ background: transparent; color: var(--text-muted); border-color: var(--border); }
@media (min-width: 600px){
  .cc-banner p{ margin-bottom: 12px; }
}