/* =========================================================
   Portal Contable — Hoja de estilos principal
   Estilo: "Financiero Racional" — claro, profesional, modular
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@500;600;700;800&family=Public+Sans:wght@400;500;600&display=swap');

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-bg-card: #ffffff;
  --color-border: #dde4ec;
  --color-primary: #1f4e79;
  --color-primary-dark: #163a5c;
  --color-secondary: #4a6a8a;
  --color-accent: #2f7d7d;
  --color-text: #1e2733;
  --color-text-muted: #57677a;
  --color-text-soft: #7a8798;
  --font-heading: 'Inter', Arial, Helvetica, sans-serif;
  --font-body: 'Public Sans', Arial, Helvetica, sans-serif;
  --radius: 10px;
  --shadow-card: 0 2px 14px rgba(31, 78, 121, 0.08);
  --max-width: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 2.7rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }

p { margin-bottom: 1rem; color: var(--color-text-muted); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-header p { color: var(--color-text-muted); }

.eyebrow {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
}
.logo:hover { text-decoration: none; color: var(--color-primary-dark); }

.main-nav ul {
  display: flex;
  gap: 28px;
}

.main-nav > ul > li {
  position: relative;
}

.main-nav > ul > li > a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 8px 2px;
}
.main-nav > ul > li > a:hover { color: var(--color-primary); text-decoration: none; }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  min-width: 230px;
  padding: 8px;
  display: none;
  flex-direction: column;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  display: flex;
}

.dropdown li a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.92rem;
  color: var(--color-text);
}
.dropdown li a:hover {
  background: var(--color-bg-alt);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

/* Hero */
.hero {
  padding: 72px 0 60px;
  background: var(--color-bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Cards */
.grid {
  display: grid;
  gap: 26px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-primary);
}

.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; }

.card-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}
.card-media img { height: 210px; width: 100%; object-fit: cover; border-radius: 0; }
.card-media-body { padding: 22px; }
.card-media-body h3 { margin-bottom: 8px; }
.card-tag {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: block;
}

/* Stats / info strip */
.info-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.info-strip div h4 {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.info-strip div span {
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

/* Split section with image */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split img { width: 100%; height: 380px; object-fit: cover; }
.split-reverse { direction: rtl; }
.split-reverse > * { direction: ltr; }

/* Breadcrumbs */
.breadcrumbs {
  padding: 18px 0;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumbs a { color: var(--color-text-soft); }
.breadcrumbs span { color: var(--color-text); }

/* Page header (non-hero, for interior pages) */
.page-header {
  padding: 46px 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.page-header .eyebrow { margin-bottom: 8px; }
.page-header p { max-width: 640px; }

/* Article / long-form content */
.article-body {
  max-width: 760px;
}
.article-body h2 { margin-top: 40px; margin-bottom: 14px; }
.article-body h3 { margin-top: 28px; margin-bottom: 10px; color: var(--color-primary); }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; color: var(--color-text-muted); }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 6px 20px;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 24px 0;
}
.article-meta {
  display: flex;
  gap: 18px;
  color: var(--color-text-soft);
  font-size: 0.88rem;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.article-hero-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  margin-bottom: 32px;
}
.article-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 48px;
}
.article-sidebar .card { margin-bottom: 20px; }
.article-sidebar h4 { margin-bottom: 12px; }
.article-sidebar ul li { margin-bottom: 10px; }
.article-sidebar ul li a { color: var(--color-text-muted); font-size: 0.92rem; }

/* Table */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 0.94rem;
}
table.data-table th, table.data-table td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
table.data-table th {
  background: var(--color-bg-alt);
  font-family: var(--font-heading);
  color: var(--color-primary);
}

/* Glossary */
.glossary-letter {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 6px;
  margin: 40px 0 18px;
}
.glossary-item { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.glossary-item dt { font-family: var(--font-heading); font-weight: 700; margin-bottom: 6px; }
.glossary-item dd { color: var(--color-text-muted); }

/* FAQ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--color-bg-card);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question .icon { transition: transform 0.2s ease; font-size: 1.2rem; color: var(--color-primary); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
  color: var(--color-text-muted);
}
.faq-item.open .faq-answer {
  padding: 0 24px 22px;
  max-height: 600px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-note { font-size: 0.82rem; color: var(--color-text-soft); }
#form-success {
  display: none;
  background: #eaf5ef;
  border: 1px solid #b7ddc6;
  color: #1f5c3a;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-family: var(--font-body);
  font-weight: 500;
}
#form-success.show { display: block; }

.contact-info-list { margin-top: 24px; }
.contact-info-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.contact-info-list strong { color: var(--color-text); display: block; font-family: var(--font-heading); margin-bottom: 2px; }

/* CTA band */
.cta-band {
  background: var(--color-primary);
  color: #ffffff;
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: #ffffff; margin-bottom: 14px; }
.cta-band p { color: #d7e4ef; max-width: 560px; margin: 0 auto 26px; }
.cta-band .btn-primary { background: #ffffff; color: var(--color-primary); }
.cta-band .btn-primary:hover { background: #eef4f9; }

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.footer-col h3 {
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--color-text);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--color-text-muted); font-size: 0.92rem; }
.footer-col address { font-size: 0.92rem; color: var(--color-text-muted); font-style: normal; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* Sitemap page */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.sitemap-grid h3 { margin-bottom: 14px; color: var(--color-primary); }
.sitemap-grid li { margin-bottom: 10px; }

/* Policy / legal pages */
.policy-hero {
  padding: 46px 0 30px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.policy-updated { color: var(--color-text-soft); font-size: 0.9rem; }
.policy-content { padding: 56px 0; }
.policy-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}
.policy-toc {
  position: sticky;
  top: 100px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--color-bg-card);
}
.policy-toc .toc-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.policy-toc ul li { margin-bottom: 10px; }
.policy-toc ul li a { color: var(--color-text-muted); font-size: 0.9rem; }
.policy-body { max-width: 720px; }
.policy-body h2 { margin-top: 34px; margin-bottom: 12px; color: var(--color-primary); font-size: 1.3rem; }
.policy-body h2:first-of-type { margin-top: 0; }
.policy-body p { margin-bottom: 14px; }
.policy-body ul { margin: 0 0 16px 22px; color: var(--color-text-muted); }
.policy-body li { margin-bottom: 8px; }
.policy-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 26px;
  font-size: 0.9rem;
}
.policy-table th, .policy-table td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: left;
  color: var(--color-text-muted);
}
.policy-table th {
  background: var(--color-bg-alt);
  font-family: var(--font-heading);
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .policy-container { grid-template-columns: 1fr; }
  .policy-toc { position: static; }
}

/* Utility */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .split, .article-layout, .contact-grid { grid-template-columns: 1fr; }
  .split-reverse { direction: ltr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .info-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .main-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    display: none;
    padding: 12px 24px 20px;
  }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; gap: 4px; }
  .dropdown { position: static; display: block; border: none; box-shadow: none; padding-left: 12px; }
  .has-dropdown .dropdown { display: none; }
  .has-dropdown.open .dropdown { display: block; }
  .nav-toggle { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .info-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .sitemap-grid { grid-template-columns: 1fr; }
}