/* ============================================================
   landing.css — Estilos específicos para /liquidacion-sii.html
   Complementa styles.css (los estilos globales del sitio)
   ============================================================ */

/* ============ HERO DE LANDING ============ */
.landing-hero {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 10rem 0 6rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.landing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(196, 155, 92, 0.08), transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(28, 42, 62, 0.5), transparent 60%);
  pointer-events: none;
}
.landing-hero .container {
  position: relative;
  z-index: 1;
  max-width: 900px;
}
.landing-hero .eyebrow {
  color: var(--text-light-muted);
  margin-bottom: 2rem;
}
.landing-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.005em;
}
.landing-hero .lead {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  color: var(--text-light-muted);
  max-width: 720px;
  margin: 0 auto 3rem;
  line-height: 1.6;
  font-weight: 400;
  font-style: italic;
}
.landing-hero .lead strong {
  color: var(--text-light);
  font-weight: 500;
  font-style: normal;
}
.landing-hero .hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
}
.landing-hero .btn-primary {
  padding: 1.3rem 2.75rem;
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.28);
}
.landing-hero .btn-ghost-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1.3rem 2.5rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-light);
  background: transparent;
  border: 1px solid var(--border-dark-strong);
  transition: all var(--transition);
  cursor: pointer;
  text-align: center;
}
.landing-hero .btn-ghost-dark:hover {
  border-color: var(--text-light);
  background: rgba(255, 255, 255, 0.05);
}
.hero-note {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--text-light-dim);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-top: 0.5rem;
}

/* ============ SECCIÓN PLAZOS ============ */
.plazos-section {
  background: var(--bg);
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}
.plazos-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}
.plazo-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  padding: 3rem 2.5rem;
  transition: all var(--transition);
}
.plazo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(28, 42, 62, 0.08);
}
.plazo-number {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.plazo-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.plazo-card h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.plazo-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
  margin-bottom: 1.5rem;
}
.plazo-card p strong {
  color: var(--accent);
  font-weight: 500;
}
.plazo-articulo {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-style: italic;
}
.plazos-nota {
  background: var(--accent-tint);
  border-left: 3px solid var(--accent);
  padding: 1.75rem 2rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto;
}
.plazos-nota strong {
  color: var(--accent);
  font-weight: 500;
}

/* ============ COMPARACIÓN RAV vs TTA ============ */
.rav-vs-tta {
  background: var(--bg-alt);
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.comparison-col {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2.5rem;
}
.comparison-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.75rem;
}
.comparison-header .eyebrow {
  margin-bottom: 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.28em;
}
.comparison-col h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
  margin: 0;
}
.comparison-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.comparison-list li {
  padding: 0.9rem 0 0.9rem 1.75rem;
  position: relative;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
  border-bottom: 1px solid rgba(28, 42, 62, 0.06);
  text-align: justify;
  hyphens: auto;
}
.comparison-list li:last-child { border-bottom: none; }
.comparison-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* ============ ERRORES FRECUENTES ============ */
.errores-section {
  background: var(--bg);
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}
.errores-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.error-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2.25rem 2rem;
  transition: all var(--transition);
  position: relative;
}
.error-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.error-num {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  display: block;
}
.error-card h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.35;
}
.error-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
}

/* ============ NUESTRO ENFOQUE ============ */
.enfoque-section {
  background: var(--bg-alt);
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}
.enfoque-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.enfoque-item {
  padding: 2rem;
  text-align: left;
}
.enfoque-num {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
  display: block;
}
.enfoque-item h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.enfoque-item p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
}

/* ============ FORMULARIO DE CONTACTO ============ */
.landing-contact {
  background: var(--bg);
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}
.contact-info h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1rem;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
}
.contact-checklist {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.check-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text);
  font-size: 0.98rem;
}
.check-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-direct {
  margin-top: 2rem;
}
.contact-direct-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.contact-phone {
  display: block;
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.contact-phone:hover { color: var(--accent-bright); }
.contact-email {
  display: block;
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--text-muted);
  text-decoration: none;
}
.contact-email:hover { color: var(--accent); }

/* ============ FOOTER SIMPLIFICADO DE LANDING ============ */
.landing-footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 3rem 0 2rem;
}
.footer-simple {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-dark);
}
.footer-simple .footer-brand p {
  font-size: 0.9rem;
  color: var(--text-light-muted);
  margin-top: 0.75rem;
}
.footer-links-simple {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: right;
}
.footer-links-simple a {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--text-light-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links-simple a:hover { color: var(--text-light); }
.landing-footer .footer-meta {
  padding-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--text-light-dim);
  text-align: center;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .landing-hero { padding: 8rem 0 5rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .plazos-section, .rav-vs-tta, .errores-section, .enfoque-section, .landing-contact {
    padding: 4rem 0;
  }
  .plazo-card, .comparison-col { padding: 2rem 1.5rem; }
  .footer-simple { grid-template-columns: 1fr; text-align: left; }
  .footer-links-simple { text-align: left; align-items: flex-start; }
}
@media (max-width: 480px) {
  .landing-hero h1 { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .plazo-number { font-size: clamp(2.4rem, 10vw, 3rem); }
  .plazo-card p, .comparison-list li, .error-card p, .enfoque-item p, .contact-info > p {
    text-align: left;
  }
  .contact-phone { font-size: 1.5rem; }
  .landing-hero .btn-primary,
  .landing-hero .btn-ghost-dark { width: 100%; justify-content: center; }
}

/* ============ BLOQUE DE CREDENCIAL (trayectoria de la socia) ============ */
.credencial-bloque {
  max-width: 880px;
  margin: 4rem auto 0;
  padding: 2.75rem 3rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  position: relative;
}
.credencial-eyebrow {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.credencial-bloque p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.credencial-bloque p strong {
  color: var(--accent);
  font-weight: 500;
}
@media (max-width: 720px) {
  .credencial-bloque {
    padding: 2rem 1.75rem;
    margin-top: 3rem;
  }
  .credencial-bloque p { text-align: left; }
}