/* ==========================================================================
   Regere Analytics — Main Stylesheet
   Design System: Enterprise Industrial Tech (Palantir-inspired UI)
   Palette: Cian (#0dc6d3), Rosa Bubblegum (#c2185b), Azul (#055180), Marino (#07276a), Profundo (#042839)
   ========================================================================== */

:root {
  --c-cian: #0dc6d3;
  --c-rosa: #c2185b;
  --c-azul: #055180;
  --c-marino: #07276a;
  --c-profundo: #042839;
  --c-blanco: #ffffff;
  --c-fondo-suave: #f8fafc;
  --c-fondo-panel: #f1f5f9;
  --c-gris-texto: #334155;
  --c-gris-tenue: #64748b;
  --c-borde: #e2e8f0;
  --c-borde-fuerte: #042839;
  --c-dark-card: #081a24;
  
  --font-serif: 'Caladea', Georgia, Cambria, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;

  --font-size-base: 17px;
  --line-height-base: 1.55;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: 125px;
  background-color: var(--c-blanco);
  color: var(--c-profundo);
  font-family: var(--font-sans);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

[id] {
  scroll-margin-top: 125px;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-profundo);
}

h1 { font-size: 2.6rem; margin-bottom: 1rem; }
h2 { font-size: 1.85rem; margin-bottom: 0.8rem; }
h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; color: var(--c-gris-texto); }
strong { color: var(--c-profundo); font-weight: 700; }
ul, ol { margin-bottom: 1rem; padding-left: 1.4rem; }
li { margin-bottom: 0.4rem; color: var(--c-gris-texto); }

a {
  color: var(--c-azul);
  text-decoration: none;
  transition: all 0.15s ease;
}
a:hover {
  color: var(--c-rosa);
}

/* Kicker / Badges */
.badge-mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  background-color: var(--c-fondo-panel);
  color: var(--c-azul);
  border: 1px solid var(--c-borde);
  margin-bottom: 1rem;
  border-radius: 2px;
}
.badge-mono.dark {
  background-color: rgba(13, 198, 211, 0.12);
  color: var(--c-cian);
  border-color: rgba(13, 198, 211, 0.4);
}
.badge-mono.rosa {
  color: var(--c-rosa);
  background-color: rgba(194, 24, 91, 0.08);
  border-color: rgba(194, 24, 91, 0.25);
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Header & Navbar (Palantir-inspired)
   ========================================================================== */

.site-header {
  background-color: var(--c-blanco);
  border-bottom: 1px solid var(--c-borde);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-profundo);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--c-profundo);
  border-radius: 50%;
  position: relative;
}
.logo-symbol::after {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--c-cian);
  border-radius: 50%;
}

.logo span {
  color: var(--c-azul);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.desktop-nav .nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
}
.desktop-nav .nav-links a {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--c-gris-texto);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.desktop-nav .nav-links a:hover,
.desktop-nav .nav-links a.active {
  color: var(--c-profundo);
  border-bottom-color: var(--c-cian);
}

/* Palantir-style Action Button */
.btn-action-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-profundo);
  background: transparent;
  border: 1px solid var(--c-borde-fuerte);
  border-radius: 2px;
  transition: all 0.15s ease;
}
.btn-action-outline:hover {
  background-color: var(--c-profundo);
  color: var(--c-cian) !important;
  border-color: var(--c-profundo);
}

.btn-icon-square {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--c-borde);
  border-radius: 2px;
  background: transparent;
  color: var(--c-profundo);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.btn-icon-square:hover {
  border-color: var(--c-borde-fuerte);
  background-color: var(--c-fondo-suave);
}

/* ==========================================================================
   Sub-Navbar Pill / In-Page Filter Strip (Signature Palantir Element)
   ========================================================================== */

.subnav-strip {
  background-color: rgba(250, 251, 252, 0.96);
  border-bottom: 1px solid var(--c-borde);
  padding: 0.55rem 0;
  position: sticky;
  top: 64px;
  z-index: 95;
  backdrop-filter: blur(10px);
}

.subnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.subnav-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--c-azul);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-right: 0.4rem;
  display: inline-flex;
  align-items: center;
  user-select: none;
}

.pills-scroll {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px 0;
}
.pills-scroll::-webkit-scrollbar {
  display: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.85rem;
  font-size: 0.83rem;
  font-weight: 500;
  color: #334155;
  background-color: var(--c-blanco);
  border: 1px solid var(--c-borde);
  border-radius: 2px;
  transition: all 0.15s ease;
  user-select: none;
  text-decoration: none;
}
.pill:hover {
  border-color: var(--c-profundo);
  color: var(--c-profundo);
  background-color: #f1f5f9;
}
.pill.active {
  background-color: var(--c-profundo);
  color: var(--c-blanco) !important;
  border-color: var(--c-profundo);
  font-weight: 600;
}
.pill-more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-azul);
  border-color: var(--c-borde);
  background: transparent;
}
.pill-more:hover {
  background-color: var(--c-fondo-panel);
  color: var(--c-rosa);
}

/* ==========================================================================
   Hero Section with Flowing Color Strings Canvas Background
   ========================================================================== */

.hero-interactive {
  position: relative;
  background: radial-gradient(circle at 50% 20%, rgba(13, 198, 211, 0.06), transparent 70%),
              radial-gradient(circle at 80% 80%, rgba(194, 24, 91, 0.04), transparent 60%),
              var(--c-blanco);
  padding: 4.5rem 0 3.5rem 0;
  overflow: hidden;
  border-bottom: 1px solid var(--c-borde);
}

#strings-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-interactive .container {
  position: relative;
  z-index: 1;
}

.hero-headline-block {
  max-width: 920px;
}

.hero-headline-block h1 {
  font-size: 3.1rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--c-profundo);
  margin-bottom: 1.25rem;
}

.hero-headline-block h1 .accent-gradient {
  background: linear-gradient(120deg, var(--c-azul), var(--c-cian));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.22rem;
  line-height: 1.6;
  color: var(--c-gris-texto);
  margin-bottom: 2.5rem;
  max-width: 820px;
}

/* ==========================================================================
   Palantir AIP-Inspired Monolithic Showcase Card
   ========================================================================== */

.palantir-monolith-card {
  background-color: var(--c-dark-card);
  border: 1px solid #1e293b;
  border-radius: 4px;
  padding: 2.5rem;
  color: var(--c-blanco);
  position: relative;
  overflow: hidden;
  margin: 2.5rem 0 1rem 0;
  box-shadow: 0 20px 40px -15px rgba(4, 40, 57, 0.35);
}

.palantir-monolith-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-cian), var(--c-rosa), var(--c-azul));
}

.monolith-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-cian);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.monolith-title {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-blanco);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.monolith-title .arrow {
  color: var(--c-cian);
  font-family: var(--font-sans);
  transition: transform 0.2s ease;
}
.palantir-monolith-card:hover .monolith-title .arrow {
  transform: translate(3px, -3px);
}

.monolith-desc {
  color: #94a3b8;
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 760px;
  margin-bottom: 2rem;
}

.monolith-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item .stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-cian);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-item .stat-label {
  font-size: 0.82rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Centered Sharp CTAs
   ========================================================================== */

.cta-box-centered {
  margin: 2.5rem auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn-cta-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.15rem 2.4rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background-color: var(--c-profundo);
  color: var(--c-cian) !important;
  border: 1px solid var(--c-cian);
  border-radius: 3px;
  box-shadow: 0 4px 14px rgba(4, 40, 57, 0.25);
  transition: all 0.15s ease;
  cursor: pointer;
}
.btn-cta-large:hover {
  background-color: var(--c-marino);
  color: var(--c-blanco) !important;
  border-color: var(--c-blanco);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 198, 211, 0.25);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  background-color: var(--c-blanco);
  color: var(--c-profundo) !important;
  border: 1px solid var(--c-borde-fuerte);
  border-radius: 3px;
}
.btn-cta-secondary:hover {
  background-color: var(--c-fondo-panel);
  border-color: var(--c-rosa);
  color: var(--c-rosa) !important;
}

.cta-caption {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--c-gris-tenue);
}

/* ==========================================================================
   Sections, Grids & Cards (Enterprise Clean Finish)
   ========================================================================== */

.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--c-borde);
}
.section.alt-bg {
  background-color: #fafbfc;
}
.section.dark-bg {
  background-color: var(--c-profundo);
  color: var(--c-blanco);
}
.section.dark-bg h2, .section.dark-bg h3, .section.dark-bg strong {
  color: var(--c-blanco);
}
.section.dark-bg p {
  color: #94a3b8;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card-sharp {
  background-color: var(--c-blanco);
  border: 1px solid var(--c-borde);
  border-radius: 4px;
  padding: 2rem;
  position: relative;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card-sharp:hover {
  border-color: #cbd5e1;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}
.card-sharp.accent-cian {
  border-top: 3px solid var(--c-cian);
}
.card-sharp.accent-rosa {
  border-top: 3px solid var(--c-rosa);
}
.card-sharp.accent-azul {
  border-top: 3px solid var(--c-azul);
}

/* Guarantee Banner */
.guarantee-strip {
  background-color: #f0fdfa;
  border: 1px solid #99f6e4;
  border-left: 6px solid var(--c-cian);
  border-radius: 3px;
  padding: 1.75rem;
  margin: 1.5rem 0;
}
.guarantee-strip h3 {
  color: var(--c-profundo);
  margin-bottom: 0.4rem;
}
.guarantee-strip p {
  margin: 0;
  color: var(--c-gris-texto);
}

/* Tables */
.table-sharp-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--c-borde);
  border-radius: 4px;
}
.table-sharp {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.table-sharp th, .table-sharp td {
  padding: 0.9rem 1.15rem;
  text-align: left;
  border-bottom: 1px solid var(--c-borde);
}
.table-sharp th {
  background-color: #f8fafc;
  color: var(--c-profundo);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.table-sharp tr:last-child td {
  border-bottom: none;
}
.table-sharp tr:hover {
  background-color: #f8fafc;
}

/* Articles */
.article-header {
  padding: 3.5rem 0 2rem 0;
  border-bottom: 1px solid var(--c-borde);
  background-color: #fafbfc;
}
.article-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-gris-tenue);
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}
.takeaways-box {
  background-color: #fafbfc;
  border: 1px solid var(--c-borde);
  border-left: 5px solid var(--c-rosa);
  border-radius: 3px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.takeaways-box h4 {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--c-rosa);
  margin-bottom: 0.75rem;
}
.article-body {
  max-width: 820px;
  margin: 2.5rem auto;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: var(--c-profundo);
  color: #94a3b8;
  border-top: 1px solid #1e293b;
  padding: 3.5rem 0 1.5rem 0;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-col h4 {
  color: var(--c-blanco);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.5rem;
}
.footer-links a {
  color: #94a3b8;
}
.footer-links a:hover {
  color: var(--c-cian);
}
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-headline-block h1 { font-size: 2.3rem; }
  .grid-2, .grid-3, .footer-grid, .monolith-stats-grid { grid-template-columns: 1fr; }
  .desktop-nav { display: none; }
  .monolith-title { font-size: 1.6rem; }
  .nav-inner { height: 60px; }
}