/* ==========================================================================
   Estudio García - Vanguard Executive Design System (vanguard.css)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --navy-deep: #0b192c;
  --navy-medium: #1e3e62;
  --navy-light: #2c527d;
  --blue-accent: #0066ff;
  --blue-hover: #0052cc;
  --blue-soft: #ebf3ff;
  --gold-accent: #d9a01b;
  --gold-light: #fff8e6;
  
  --dark-text: #0f172a;
  --body-text: #334155;
  --muted-text: #64748b;
  
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  
  --shadow-sm: 0 2px 4px rgba(11, 25, 44, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 25, 44, 0.08);
  --shadow-lg: 0 20px 40px rgba(11, 25, 44, 0.12);
  --shadow-glow: 0 12px 30px rgba(0, 102, 255, 0.2);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: var(--blue-accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--blue-hover);
}

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

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark-text);
  font-weight: 700;
  line-height: 1.2;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue-soft);
  color: var(--blue-accent);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.section-head-center {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.5rem;
  color: var(--navy-deep);
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--muted-text);
}

/* Header & Glassmorphic Sticky Nav */
.header-vanguard {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo-wrap img {
  max-height: 56px;
  width: auto;
}

.nav-links-list {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-item-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.975rem;
  color: var(--dark-text);
  padding: 0.5rem 0;
  position: relative;
}

.nav-item-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--blue-accent);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-item-link:hover, .nav-item-link.active {
  color: var(--blue-accent);
}

.nav-item-link:hover::after, .nav-item-link.active::after {
  width: 100%;
}

.btn-cta-vip {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy-medium));
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.925rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-sm);
}

.btn-cta-vip:hover {
  background: linear-gradient(135deg, var(--navy-medium), var(--blue-accent));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero Section Split-Screen */
.hero-vanguard {
  background: var(--navy-deep);
  color: #ffffff;
  padding: 4.5rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 102, 255, 0.25) 0%, rgba(11, 25, 44, 0.95) 70%);
  pointer-events: none;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text-content h1 {
  font-size: 3.25rem;
  color: #ffffff;
  line-height: 1.12;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-text-content h1 span {
  background: linear-gradient(135deg, #38bdf8, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 620px;
}

.hero-buttons-flex {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.btn-primary-hero {
  background: var(--blue-accent);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-glow);
}

.btn-primary-hero:hover {
  background: var(--blue-hover);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0, 102, 255, 0.35);
}

.btn-secondary-hero {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary-hero:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* Quick Access Cards in Hero */
.hero-quick-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.vanguard-quick-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: #ffffff;
  transition: var(--transition);
}

.vanguard-quick-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(56, 189, 248, 0.6);
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.quick-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0, 102, 255, 0.2);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.vanguard-quick-card:hover .quick-icon-box {
  background: var(--blue-accent);
  color: #ffffff;
}

.quick-info-box h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.quick-info-box p {
  color: #94a3b8;
  font-size: 0.85rem;
}

/* Trust Stats Bar */
.trust-stats-wrapper {
  margin-top: -3rem;
  position: relative;
  z-index: 10;
}

.trust-stats-box {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 2rem 2.5rem;
}

.stats-flex-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  divide-x: 1px solid var(--border-color);
}

.stat-col {
  padding-left: 2rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stat-col:first-child {
  padding-left: 0;
}

.stat-val {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1;
}

.stat-desc {
  font-size: 0.925rem;
  color: var(--muted-text);
  font-weight: 500;
  line-height: 1.35;
}

/* Section Containers & Layout */
.section-space {
  padding: 5.5rem 0;
}

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

/* About & Value Proposition */
.about-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.about-img-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-badge-overlay {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: rgba(11, 25, 44, 0.9);
  backdrop-filter: blur(12px);
  color: #ffffff;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.about-badge-overlay strong {
  color: var(--gold-accent);
  font-size: 1.5rem;
  display: block;
  font-family: var(--font-heading);
}

.feature-check-list {
  list-style: none;
  margin: 1.75rem 0 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1.05rem;
  color: var(--body-text);
}

.feature-check-list i {
  color: var(--blue-accent);
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

/* ==========================================================================
   Sección de Noticias: Actualidad Contable e Impositiva
   ========================================================================== */
.news-control-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.pills-group {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.pill-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--body-text);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.pill-btn:hover, .pill-btn.active {
  background: var(--navy-deep);
  color: #ffffff;
  border-color: var(--navy-deep);
  box-shadow: var(--shadow-sm);
}

.search-field-wrap {
  position: relative;
  min-width: 280px;
}

.search-input-field {
  width: 100%;
  padding: 0.65rem 1.2rem 0.65rem 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-family: var(--font-body);
  font-size: 0.925rem;
  outline: none;
  background: var(--bg-surface);
  transition: var(--transition);
}

.search-input-field:focus {
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

.search-icon-inside {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-text);
}

/* News Cards Grid */
.news-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.vanguard-news-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.vanguard-news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 255, 0.3);
}

.card-media-frame {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: #cbd5e1;
}

.card-media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.vanguard-news-card:hover .card-media-frame img {
  transform: scale(1.06);
}

.cat-badge-on-image {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--navy-deep);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.card-content-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.825rem;
  color: var(--muted-text);
  margin-bottom: 0.85rem;
}

.card-meta-row span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.card-hook-title {
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--navy-deep);
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.card-excerpt-text {
  font-size: 0.925rem;
  color: var(--muted-text);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.btn-open-news-modal {
  background: none;
  border: none;
  color: var(--blue-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.925rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
  transition: var(--transition);
}

.btn-open-news-modal:hover {
  color: var(--blue-hover);
  gap: 0.75rem;
}

/* Modal Overlay & Modal Window */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 25, 44, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.94);
  transition: var(--transition);
}

.modal-backdrop.active .modal-window {
  transform: scale(1);
}

.modal-btn-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: none;
  color: var(--dark-text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.modal-btn-close:hover {
  background: #e2e8f0;
  color: var(--navy-deep);
}

.modal-main-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.modal-padding-body {
  padding: 2.25rem 2.75rem 2.75rem;
}

.modal-cat-tag {
  display: inline-block;
  background: var(--blue-soft);
  color: var(--blue-accent);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.modal-heading-title {
  font-size: 2.1rem;
  color: var(--navy-deep);
  margin-bottom: 1.25rem;
}

.modal-article-text {
  font-size: 1.075rem;
  color: var(--body-text);
  line-height: 1.8;
  margin-top: 1.5rem;
}

.modal-article-text p {
  margin-bottom: 1.35rem;
}

/* Enlaces Destacados & Guías Rápidas */
.guides-grid-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.guide-item-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: var(--transition);
}

.guide-item-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-soft);
  transform: translateY(-4px);
}

.guide-thumb-img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.guide-info-content h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--navy-deep);
}

.guide-info-content p {
  font-size: 0.925rem;
  color: var(--muted-text);
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* Soluciones & Footer */
.solutions-three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.solution-card-box {
  background: var(--bg-surface);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.solution-card-box h4 {
  font-size: 1.3rem;
  margin-bottom: 1.35rem;
  color: var(--navy-deep);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.solution-link-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  list-style: none;
}

.solution-link-list li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--body-text);
  font-size: 0.975rem;
  font-weight: 500;
}

.solution-link-list li a:hover {
  color: var(--blue-accent);
  transform: translateX(4px);
}

.footer-vanguard {
  background: var(--navy-deep);
  color: #94a3b8;
  padding: 3.5rem 0 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.925rem;
}

.footer-row-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copy-text strong {
  color: #ffffff;
}

/* Back to Top */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--blue-accent);
  color: #ffffff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 99;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: var(--navy-deep);
  transform: translateY(-4px);
  color: #ffffff;
}

/* Responsive Breakdown */
@media (max-width: 1024px) {
  .hero-split-grid, .about-split-grid {
    grid-template-columns: 1fr;
  }
  .stats-flex-grid {
    grid-template-columns: repeat(2, 1fr);
    divide-x: none;
    gap: 1.5rem;
  }
  .stat-col {
    padding-left: 0;
  }
  .news-cards-grid, .solutions-three-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 72px;
  }
  .nav-links-list {
    display: none;
  }
  .hero-text-content h1 {
    font-size: 2.25rem;
  }
  .hero-quick-cards, .stats-flex-grid, .news-cards-grid, .guides-grid-cards, .solutions-three-col {
    grid-template-columns: 1fr;
  }
  .news-control-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .search-field-wrap {
    width: 100%;
  }
}