/* ============================================================
   Portal — Análisis y Desarrollo Profesional en Contabilidad
   Estilo: Análisis Contable Moderno
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #f6f5f1;
  --color-bg-alt: #ffffff;
  --color-navy: #163150;
  --color-navy-dark: #0d2138;
  --color-navy-soft: #e7ecf1;
  --color-text: #1e2a33;
  --color-text-muted: #5b6b76;
  --color-border: #dfe3e2;
  --color-green: #2e7d5b;
  --color-green-soft: #e5f2ea;

  --font-heading: 'Merriweather', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; display: block; height: auto; }

a { color: var(--color-navy); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy-dark);
  line-height: 1.3;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 700; }

p { margin: 0 0 1rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-navy-dark); color: #dde5ec; }
.section-navy h2, .section-navy h3 { color: #ffffff; }

.section-head { max-width: 720px; margin: 0 0 40px; }
.section-head.center { margin: 0 auto 48px; text-align: center; }
.section-head p { color: var(--color-text-muted); }
.eyebrow {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-green);
  font-weight: 600;
  margin-bottom: 10px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary { background: var(--color-navy); color: #fff; }
.btn-primary:hover { background: var(--color-navy-dark); text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--color-navy); color: var(--color-navy); }
.btn-outline:hover { background: var(--color-navy); color: #fff; text-decoration: none; }
.btn-outline.light { border-color: #cfd9e2; color: #ffffff; }
.btn-outline.light:hover { background: #ffffff; color: var(--color-navy-dark); }
.btn-block { display: block; width: 100%; text-align: center; }

/* ===== Header ===== */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--color-navy-dark);
  letter-spacing: -0.02em;
}
.logo span { color: var(--color-green); }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 24px;
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-navy); text-decoration: none; border-bottom: 2px solid var(--color-green); padding-bottom: 4px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy-dark);
  margin: 4px 0;
}

/* ===== Hero (sin badges/promos) ===== */
.hero {
  background: var(--color-navy-soft);
  padding: 72px 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 18px; }
.hero-copy p.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-media img { border-radius: var(--radius-md); width: 100%; }

.page-hero {
  background: var(--color-navy-dark);
  color: #dde5ec;
  padding: 56px 0 48px;
}
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: #b7c4cf; max-width: 640px; }
.breadcrumbs { font-size: 0.85rem; color: #9fb0bd; margin-bottom: 18px; }
.breadcrumbs a { color: #cddae4; }

/* ===== Cards / grids ===== */
.grid { display: grid; gap: 28px; }
.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-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-text-muted); margin-bottom: 0; }

.icon-tag {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy-soft);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 16px;
}

/* ===== Data / indicator blocks ===== */
.data-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.data-panel table { width: 100%; border-collapse: collapse; }
.data-panel caption {
  text-align: left;
  padding: 18px 24px 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy-dark);
}
.data-panel th, .data-panel td {
  text-align: left;
  padding: 14px 24px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.94rem;
}
.data-panel th { color: var(--color-text-muted); font-weight: 600; background: var(--color-bg); }
.indicator-positive { color: var(--color-green); font-weight: 600; }
.indicator-negative { color: #a0442f; font-weight: 600; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 32px 0; }
.stat-block { border-left: 3px solid var(--color-green); padding-left: 18px; }
.stat-block .num { font-family: var(--font-heading); font-size: 1.9rem; font-weight: 900; color: var(--color-navy-dark); display: block; }
.stat-block .label { color: var(--color-text-muted); font-size: 0.9rem; }

/* ===== Timeline / process ===== */
.process-list { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.process-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.process-list li:last-child { border-bottom: none; }
.process-list li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--color-green);
}

/* ===== Article / blog ===== */
.article-layout { display: grid; grid-template-columns: 2.2fr 1fr; gap: 48px; align-items: start; }
.article-body h2 { margin-top: 2rem; }
.article-body ul, .article-body ol { color: var(--color-text); padding-left: 1.3rem; }
.article-body img { border-radius: var(--radius-md); margin: 20px 0; }
.article-meta { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 20px; }
.article-meta span { margin-right: 16px; }
.sidebar .card { margin-bottom: 24px; }
.sidebar ul { list-style: none; padding: 0; margin: 0; }
.sidebar ul li { border-bottom: 1px solid var(--color-border); padding: 10px 0; }
.sidebar ul li:last-child { border-bottom: none; }

.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.blog-card img { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.blog-card { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.blog-card .card-body { padding: 22px; }
.blog-card .tag { color: var(--color-green); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; }

/* ===== FAQ accordion ===== */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question .plus { font-size: 1.4rem; color: var(--color-green); transition: transform 0.2s; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  color: var(--color-text-muted);
}
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 0 20px; }

/* ===== Team ===== */
.team-card { text-align: left; }
.team-card img { border-radius: var(--radius-md); margin-bottom: 16px; }
.team-card .role { color: var(--color-green); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }

/* ===== Forms ===== */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
label { font-size: 0.88rem; font-weight: 600; color: var(--color-navy-dark); }
input, select, textarea {
  font-family: var(--font-body);
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: #fff;
  color: var(--color-text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-navy); outline-offset: 1px; }
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); }
.form-success {
  display: none;
  background: var(--color-green-soft);
  border: 1px solid var(--color-green);
  color: #1c5138;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-weight: 600;
}
.form-success.visible { display: block; }
.form-error {
  display: none;
  background: #fbe9e5;
  border: 1px solid #a0442f;
  color: #7c2f1e;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-weight: 600;
}
.form-error.visible { display: block; }

/* ===== Contact info blocks ===== */
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.contact-info-grid .card h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-info-grid .card p { margin: 0; }

/* ===== Policy pages ===== */
.policy-layout { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.policy-toc { position: sticky; top: 100px; }
.policy-toc h3 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.policy-toc ul { list-style: none; padding: 0; margin: 0; }
.policy-toc li { margin-bottom: 10px; font-size: 0.88rem; }
.policy-content h2 { margin-top: 2.2rem; border-top: 1px solid var(--color-border); padding-top: 1.6rem; }
.policy-content h2:first-child { border-top: none; padding-top: 0; }
.policy-content p, .policy-content li { color: var(--color-text); }
.policy-meta { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 30px; }

/* ===== CTA band ===== */
.cta-band {
  background: var(--color-navy-dark);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #b7c4cf; margin: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--color-navy-dark); color: #b7c4cf; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 32px; margin-bottom: 48px; }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #b7c4cf; font-size: 0.9rem; }
.footer-col a:hover { color: #fff; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.88rem; color: #9fb0bd; }
.footer-bottom {
  border-top: 1px solid #24425f;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #8b9dab;
}
.footer-bottom a { color: #8b9dab; }

/* ===== Cookie banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-navy-dark);
  color: #dde5ec;
  padding: 18px 24px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  z-index: 200;
  flex-wrap: wrap;
  border-top: 3px solid var(--color-green);
}
.cookie-banner.visible { display: flex; }
.cookie-banner p { margin: 0; font-size: 0.88rem; max-width: 720px; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-actions .btn { padding: 9px 18px; font-size: 0.85rem; }

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

.container-narrow {
  max-width: 780px;
}

.legal-block {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}
.legal-block:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.legal-block h2 { font-size: 1.3rem; margin-bottom: 14px; }
.legal-block p { color: var(--color-text-muted); }

.legal-list {
  margin: 0 0 1rem;
  padding-left: 20px;
  color: var(--color-text-muted);
}
.legal-list li { margin-bottom: 8px; }

.sitemap-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sitemap-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}
.sitemap-list li:last-child { border-bottom: none; }
.sitemap-list a { color: var(--color-navy); font-weight: 500; }

.table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-bg-alt);
}
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.data-table th {
  background: var(--color-navy-soft);
  color: var(--color-navy-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
}
.data-table tr:last-child td { border-bottom: none; }

.disclaimer-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-navy);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 28px 0;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-inner, .article-layout, .policy-layout { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-row { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 68px; left: 0; right: 0; background: var(--color-bg-alt); flex-direction: column; align-items: flex-start; padding: 16px 24px; border-bottom: 1px solid var(--color-border); display: none; }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .main-nav ul li { width: 100%; }
  .main-nav a { display: block; padding: 10px 0; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .blog-grid { grid-template-columns: 1fr; }
}