/* ==========================================================================
   ARCOS MULTIMEDIA GROUP - 2026 NEXT-GEN AGENCY DESIGN SYSTEM
   Theme: Obsidian Cyber / High-Tech AI Studio
   ========================================================================== */

:root {
  /* Color Palette - Dark Mode (Default) */
  --bg-primary: #070b14;
  --bg-secondary: #0d1527;
  --bg-tertiary: #141f36;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(22, 36, 66, 0.85);
  --bg-glass: rgba(13, 21, 39, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);
  --border-glow: rgba(25, 108, 211, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #070b14;

  /* Vibrant Accents */
  --accent-blue: #196cd3;
  --accent-cyan: #00f2fe;
  --accent-cyan-glow: rgba(0, 242, 254, 0.25);
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #196cd3 0%, #00f2fe 100%);
  --grad-hero-text: linear-gradient(135deg, #ffffff 20%, #93c5fd 60%, #00f2fe 100%);
  --grad-purple-blue: linear-gradient(135deg, #8b5cf6 0%, #196cd3 100%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.005) 100%);
  --grad-border: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.02) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(25, 108, 211, 0.35);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Spacing Tokens */
  --max-width: 1280px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;

  --section-py: clamp(4rem, 7vw, 6.5rem);
  --section-head-mb: clamp(2.5rem, 5vw, 4rem);
  --hero-pt: calc(var(--header-height) + 3.5rem);
  --hero-pb: clamp(3.5rem, 6vw, 5rem);
  --card-p: clamp(1.5rem, 3vw, 2.25rem);
  --card-p-lg: clamp(1.75rem, 4vw, 3rem);
  --grid-gap: clamp(1.5rem, 3vw, 2rem);

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --trans-fast: 0.2s ease;
  --trans-norm: 0.3s var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
  border: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utilities */
.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan {
  color: var(--accent-cyan);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(25, 108, 211, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: all 0.3s ease;
}

.site-header.scrolled {
  height: 70px;
  box-shadow: var(--shadow-sm);
  background: rgba(7, 11, 20, 0.92);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img, .site-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-logo:hover img, .brand-logo:hover .site-logo {
  transform: scale(1.04);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--trans-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-primary);
  transition: width 0.3s var(--ease-spring);
  border-radius: 2px;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(25, 108, 211, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover {
  background: #1458ad;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(25, 108, 211, 0.6);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
}

.btn-sm {
  padding: 0.625rem 1rem;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: var(--hero-pt);
  padding-bottom: var(--hero-pb);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 50% 20%, rgba(25, 108, 211, 0.25), transparent 60%),
    radial-gradient(circle at 85% 60%, rgba(0, 242, 254, 0.12), transparent 45%),
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 60px 60px, 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient Motion Video Blend Layer (Soft, Atmospheric Glow) */
.hero-video-ambient-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: screen;
}

.hero-video-ambient {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(14px) brightness(0.65) saturate(0.85);
  transform: scale(1.08); /* Prevent blur edge artifacts */
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 30%, rgba(7, 11, 20, 0.3) 0%, var(--bg-primary) 75%);
}

/* Looping Service Constellation & Neural Network Canvas */
.hero-service-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.7;
}

/* Floating Looping Service Badges */
.floating-service-badge {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(13, 21, 39, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 242, 254, 0.35);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.18);
  pointer-events: none;
  animation: floatBadgeDrift 8s ease-in-out infinite alternate;
  user-select: none;
}

.badge-geo { animation-duration: 9s; animation-delay: 0s; }
.badge-speed { animation-duration: 11s; animation-delay: -3s; }
.badge-automation { animation-duration: 10s; animation-delay: -5s; }
.badge-cro { animation-duration: 12s; animation-delay: -7s; }

.badge-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(25, 108, 211, 0.2);
  border: 1px solid rgba(0, 242, 254, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--accent-cyan);
}

.badge-text-box {
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.2;
}

.badge-status {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.badge-status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.8);
  animation: pulseDot 2s infinite;
}

@keyframes floatBadgeDrift {
  0% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(-14px) translateX(8px);
  }
  100% {
    transform: translateY(-4px) translateX(-6px);
  }
}

@media (max-width: 1240px) {
  .floating-service-badge {
    display: none;
  }
}

.hero-layout {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-content::before {
  content: '';
  position: absolute;
  top: -3.5rem;
  left: -3.5rem;
  right: -2rem;
  bottom: -3.5rem;
  background: radial-gradient(ellipse at 35% 45%, rgba(7, 11, 20, 0.95) 0%, rgba(7, 11, 20, 0.78) 55%, transparent 85%);
  pointer-events: none;
  z-index: -1;
  filter: blur(28px);
}

.hero-badge-wrap {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title .title-lead {
  display: block;
  color: var(--text-primary);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.85);
}

.title-shimmer {
  background: var(--grad-hero-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 242, 254, 0.35));
}

.hero-dynamic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.dynamic-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  color: var(--accent-cyan);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 600px;
}

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

.hero-trust-proof {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.trust-metric-item {
  display: flex;
  flex-direction: column;
}

.trust-metric-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.trust-metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Hero Visual Showcase */
.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
}

.card-header-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.status-indicator {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-comparison-box {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comparison-pane {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: transform 0.2s ease;
}

.pane-ai-raw {
  opacity: 0.75;
  border-left: 3px solid #64748b;
}

.pane-arcos-hybrid {
  border-left: 3px solid var(--accent-cyan);
  background: rgba(25, 108, 211, 0.12);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.08);
}

.pane-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.pane-tag.raw { color: var(--text-muted); }
.pane-tag.arcos { color: var(--accent-cyan); }

.pane-title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--text-primary);
}

.pane-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.pane-metrics-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.micro-chip {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

/* Ticker Ribbon */
.tech-ticker-section {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 1.25rem 0;
  overflow: hidden;
  position: relative;
}

.ticker-wrap {
  display: flex;
  width: max-content;
  animation: tickerScroll 32s linear infinite;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.ticker-item i {
  color: var(--accent-cyan);
}

.ticker-item:hover {
  color: var(--text-primary);
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   THE HYBRID THESIS / WHY AI WON'T REPLACE AGENCIES
   ========================================================================== */
.thesis-section {
  padding: var(--section-py) 0;
  position: relative;
  background: var(--bg-primary);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--section-head-mb) auto;
}

.section-subtitle {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 1rem 0;
  color: var(--text-primary);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.thesis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.thesis-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  transition: all 0.3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.thesis-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md), 0 0 25px rgba(0, 242, 254, 0.1);
}

.thesis-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.thesis-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.thesis-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.thesis-takeaway {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--accent-blue);
  color: var(--text-primary);
}

/* ==========================================================================
   SERVICES MATRIX SECTION
   ========================================================================== */
.services-section {
  padding: var(--section-py) 0;
  background: var(--bg-secondary);
  position: relative;
}

.service-filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.filter-tab {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab:hover, .filter-tab.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 15px rgba(25, 108, 211, 0.35);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s var(--ease-spring);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(25, 108, 211, 0.2);
}

.service-card-top {
  margin-bottom: 1.5rem;
}

.service-card-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  margin-bottom: 1rem;
}

.service-card-icon {
  font-size: 2rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.service-card-title {
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.875rem;
  color: var(--text-primary);
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 2rem;
}

.service-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-features-list li i {
  color: var(--accent-cyan);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.service-card-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-kpi {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  font-weight: 700;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap 0.2s ease;
}

.service-card:hover .service-link {
  gap: 0.625rem;
}

/* ==========================================================================
   INTERACTIVE ROI & AI READINESS AUDIT CALCULATOR
   ========================================================================== */
.calculator-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
  position: relative;
}

.calculator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p-lg);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  position: relative;
  overflow: hidden;
}

.calculator-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-group label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
}

.calc-range-val {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.calc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  outline: none;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.7);
  transition: transform 0.1s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.calc-results-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  padding: var(--card-p);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.08);
}

.result-headline {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.result-number-highlight {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
}

.result-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.breakdown-row strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Scenario Pill Toggle */
.scenario-pill-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: var(--bg-tertiary);
  padding: 0.375rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.scenario-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.scenario-btn:hover {
  color: var(--text-primary);
}

.scenario-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(25, 108, 211, 0.4);
}

.calc-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.scenario-indicator-badge {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
}

/* Methodology Disclaimer Box */
.calc-disclaimer-box {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.calc-disclaimer-box i {
  color: var(--accent-cyan);
  font-size: 0.875rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ==========================================================================
   PROVEN OUTCOMES / CASE STUDIES
   ========================================================================== */
.case-studies-section {
  padding: var(--section-py) 0;
  background: var(--bg-secondary);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s var(--ease-spring);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-lg);
}

.case-visual {
  height: 200px;
  background: var(--bg-tertiary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.case-badge-type {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.25rem 0.625rem;
  background: rgba(7, 11, 20, 0.8);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  border: 1px solid var(--border-subtle);
}

.case-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.case-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.case-stats-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item-box {
  display: flex;
  flex-direction: column;
}

.stat-metric {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.stat-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* ==========================================================================
   4-STEP AGILE DELIVERY PROCESS
   ========================================================================== */
.process-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
  position: relative;
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  position: relative;
}

.process-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  position: relative;
  transition: all 0.3s ease;
}

.process-step-card:hover {
  border-color: var(--border-active);
  transform: translateY(-5px);
}

.step-num-badge {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, rgba(25, 108, 211, 0.4), rgba(0, 242, 254, 0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1.25rem;
}

.step-title {
  font-size: 1.1875rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   FINAL CTA & MOUNTAIN BANNER
   ========================================================================== */
.cta-banner-section {
  position: relative;
  padding: var(--section-py) 0 0 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #060912 100%);
  text-align: center;
  overflow: hidden;
}

.cta-banner-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
}

.cta-banner-inner h2 {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.cta-banner-inner p {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.mountain-silhouette {
  width: 100%;
  max-width: 1440px;
  margin: 3rem auto 0 auto;
  opacity: 0.85;
  pointer-events: none;
  position: relative;
  z-index: 1;
  display: block;
}

.newsletter-cta-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.newsletter-cta-section .newsletter-input {
  padding: 0.875rem 1.25rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #03060a;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem 0;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(1.5rem, 2.5vw, 2.75rem);
  margin-bottom: 4rem;
  align-items: start;
}

.footer-bio p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-newsletter p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-form-row {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  flex-grow: 1;
}

.footer-bottom-bar {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
}

/* ==========================================================================
   GLOBAL SOCIAL MEDIA COMPONENT (<arcos-social-links>)
   ========================================================================== */
arcos-social-links {
  display: inline-flex;
}

.arcos-socials-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.arcos-socials-wrap .social-link-item {
  color: var(--text-muted);
  font-size: 1.125rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.arcos-socials-wrap .social-link-item:hover {
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.arcos-socials-wrap.layout-buttons {
  gap: 0.75rem;
}

.arcos-socials-wrap.layout-buttons .social-link-item {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1rem;
}

.arcos-socials-wrap.layout-buttons .social-link-item:hover {
  color: #03060c;
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.4);
}

/* ==========================================================================
   INTERACTIVE CONSULTATION MODAL ("LET'S TALK")
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 6, 12, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 1.5rem;
}

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

.modal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s var(--ease-spring);
}

.modal-overlay.active .modal-window {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  transform: rotate(90deg);
}

.modal-header {
  margin-bottom: 2rem;
}

.modal-header h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.modal-header p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

/* ==========================================================================
   ANTI-SPAM CAPTCHA COMPONENT
   ========================================================================== */
.captcha-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-top: 0.25rem;
  transition: all 0.25s ease;
  user-select: none;
}

.captcha-box:hover {
  border-color: var(--border-active);
}

.captcha-box.verified {
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.05);
}

.captcha-box.error {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.06);
  animation: captchaShake 0.4s ease;
}

@keyframes captchaShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.captcha-checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  cursor: pointer;
}

.captcha-check-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.captcha-checkbox-custom {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.captcha-checkbox-custom:hover {
  border-color: var(--accent-cyan);
}

.captcha-checkbox-custom:focus-visible {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

.captcha-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 242, 254, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: captchaSpin 0.6s linear infinite;
}

@keyframes captchaSpin {
  to { transform: rotate(360deg); }
}

.captcha-check-icon {
  display: none;
  color: var(--accent-emerald);
  font-size: 0.9375rem;
}

.captcha-box.loading .captcha-spinner {
  display: block;
}

.captcha-box.verified .captcha-checkbox-custom {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.15);
}

.captcha-box.verified .captcha-check-icon {
  display: block;
}

.captcha-text-wrap {
  display: flex;
  flex-direction: column;
}

.captcha-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.captcha-status {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.captcha-box.verified .captcha-status {
  color: var(--accent-emerald);
}

.captcha-box.error .captcha-status {
  color: #ef4444;
}

.captcha-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-muted);
  font-size: 0.625rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.captcha-brand i {
  font-size: 1.125rem;
  color: var(--accent-cyan);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual-card {
    max-width: 600px;
    margin: 0 auto;
  }
  .thesis-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calculator-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(7, 11, 20, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2.25rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    gap: 1.75rem;
    text-align: center;
  }
  .nav-menu.open {
    display: flex;
    animation: fadeInDown 0.25s ease-out;
  }
  .mobile-toggle {
    display: flex;
  }
  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .modal-window {
    padding: 1.75rem 1.25rem;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   ABOUT ARCOS MULTIMEDIA GROUP, LLC - SPECIFIC STYLES
   ========================================================================== */
.about-hero {
  position: relative;
  padding-top: var(--hero-pt);
  padding-bottom: var(--hero-pb);
  background: radial-gradient(circle at 50% 15%, rgba(25, 108, 211, 0.25), transparent 70%), var(--bg-primary);
  text-align: center;
  overflow: hidden;
}

.about-hero-content {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.about-hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 1.5rem 0 1.25rem 0;
  letter-spacing: -0.02em;
}

.about-hero-sub {
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto 2.5rem auto;
}

.entity-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-active);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
  margin-bottom: 3.5rem;
}

/* Hero Credentials / Fast-Facts Strip */
.about-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 1040px;
  margin: 0 auto;
  text-align: left;
}

.hero-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s var(--ease-spring);
  box-shadow: var(--shadow-sm);
}

.hero-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-md), 0 0 20px rgba(0, 242, 254, 0.12);
}

.hero-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(25, 108, 211, 0.15);
  border: 1px solid rgba(0, 242, 254, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.hero-stat-info h4 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  line-height: 1.2;
}

.hero-stat-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

/* Manifesto Section */
.manifesto-section {
  padding: var(--section-py) 0;
  background: var(--bg-secondary);
  position: relative;
}

.manifesto-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: flex-start;
}

.manifesto-text h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 1rem 0 1.5rem 0;
  letter-spacing: -0.02em;
}

.manifesto-text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.manifesto-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.manifesto-quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
}

.manifesto-quote-card::before {
  content: '“';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 6rem;
  line-height: 1;
  font-family: Georgia, serif;
  color: rgba(0, 242, 254, 0.15);
  pointer-events: none;
}

.quote-body {
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.author-info span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Strategic Highlights Card in Manifesto */
.manifesto-pillars-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.manifesto-pillars-card h4 {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.manifesto-pill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.manifesto-pill-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.manifesto-pill-list li i {
  color: var(--accent-cyan);
  margin-top: 0.25rem;
  font-size: 0.875rem;
}

/* Values Grid (Foundational Pillars) */
.values-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  transition: all 0.3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.value-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md), 0 0 25px rgba(25, 108, 211, 0.15);
}

.value-card:hover::before {
  opacity: 1;
}

.value-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.value-card-num {
  font-size: 2.25rem;
  font-family: var(--font-mono);
  font-weight: 900;
  color: var(--accent-cyan);
  line-height: 1;
}

.value-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(25, 108, 211, 0.15);
  border: 1px solid rgba(0, 242, 254, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.value-card h3 {
  font-size: 1.375rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Timeline / Milestones */
.timeline-section {
  padding: var(--section-py) 0;
  background: var(--bg-secondary);
}

.timeline-track {
  position: relative;
  max-width: 860px;
  margin: 3rem auto 0 auto;
  padding-left: 3rem;
  border-left: 2px solid var(--border-active);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -3rem;
  top: 24px;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.8);
  z-index: 2;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--card-p);
  transition: all 0.3s var(--ease-spring);
  box-shadow: var(--shadow-sm);
}

.timeline-card:hover {
  transform: translateX(6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-md), 0 0 20px rgba(0, 242, 254, 0.12);
}

.timeline-year-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.timeline-title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.625rem;
}

.timeline-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Corporate Credentials Table / Specs */
.entity-specs-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
}

.specs-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p-lg);
  box-shadow: var(--shadow-lg);
}

.specs-card-header {
  margin-bottom: 2.5rem;
}

.specs-card-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin: 1rem 0 0.5rem 0;
  color: var(--text-primary);
}

.specs-card-header p {
  color: var(--text-secondary);
  max-width: 620px;
  font-size: 1rem;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.spec-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.spec-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.08);
}

.spec-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(25, 108, 211, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.spec-item h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.spec-item p {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.spec-item span {
  font-size: 0.8125rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* Responsive Overrides for About Page */
@media (max-width: 1024px) {
  .about-hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .manifesto-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .specs-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .about-hero-stats {
    grid-template-columns: 1fr;
  }
  .specs-grid {
    grid-template-columns: 1fr;
  }
  .timeline-track {
    padding-left: 2rem;
  }
  .timeline-dot {
    left: -2rem;
  }
  .timeline-card {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   BLOG HUB & ARTICLE STYLES
   ========================================================================== */
.blog-hero {
  position: relative;
  padding-top: var(--hero-pt);
  padding-bottom: var(--hero-pb);
  background: radial-gradient(circle at 50% 15%, rgba(25, 108, 211, 0.22), transparent 70%), var(--bg-primary);
  text-align: center;
  overflow: hidden;
}

.blog-hero-content {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.blog-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem 0 0 0;
}

.blog-filter-btn {
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.blog-filter-btn:hover, .blog-filter-btn.active {
  background: rgba(25, 108, 211, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

/* Featured Article Card */
.featured-section {
  padding: 2rem 0 4rem 0;
  background: var(--bg-primary);
}

.featured-article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: var(--card-p-lg);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.featured-article-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.featured-badge-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.featured-tag {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
}

.read-time-pill {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
}

.featured-article-card h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.featured-article-card h2 a {
  color: inherit;
  transition: color 0.2s ease;
}

.featured-article-card h2 a:hover {
  color: var(--accent-cyan);
}

.featured-article-card p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.featured-visual-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.stat-callout-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.stat-callout-num {
  font-size: 2rem;
  font-family: var(--font-mono);
  font-weight: 900;
  color: var(--accent-cyan);
  line-height: 1;
}

.stat-callout-text h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-callout-text p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

/* Articles Grid Section */
.articles-section {
  padding: 2rem 0 var(--section-py) 0;
  background: var(--bg-secondary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md), 0 0 25px rgba(25, 108, 211, 0.15);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.blog-card-category {
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(25, 108, 211, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.875rem;
}

.blog-card-title a {
  color: inherit;
  transition: color 0.2s ease;
}

.blog-card-title a:hover {
  color: var(--accent-cyan);
}

.blog-card-excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.author-meta-mini {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.author-mini-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8125rem;
  border: 1.5px solid var(--accent-cyan);
}

.author-mini-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.blog-card-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap 0.2s ease;
}

.blog-card:hover .blog-card-link {
  gap: 0.625rem;
}

/* ==========================================================================
   INDIVIDUAL ARTICLE PAGE LAYOUT & TYPOGRAPHY
   ========================================================================== */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--grad-primary);
  width: 0%;
  z-index: 1001;
  transition: width 0.1s ease;
}

.article-header {
  position: relative;
  padding-top: var(--hero-pt);
  padding-bottom: var(--hero-pb);
  background: radial-gradient(circle at 50% 10%, rgba(25, 108, 211, 0.2), transparent 70%), var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.article-header-inner {
  max-width: 860px;
  margin: 0 auto;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.article-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.article-lead {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.article-author-strip {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.article-author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.article-author-details h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.article-author-details p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Article Body Layout */
.article-layout-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
}

.article-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: flex-start;
}

.article-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-heading {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toc-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
  transition: color 0.2s ease, transform 0.2s ease;
  display: block;
}

.toc-link:hover, .toc-link.active {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

.article-content {
  max-width: 820px;
  color: var(--text-primary);
}

.article-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 3.5rem 0 1.25rem 0;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  scroll-margin-top: 100px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: 1.375rem;
  font-weight: 800;
  margin: 2.25rem 0 1rem 0;
  color: var(--text-primary);
  scroll-margin-top: 100px;
}

.article-content p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 700;
}

.article-content ul, .article-content ol {
  margin: 1.25rem 0 1.75rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.article-content li {
  margin-bottom: 0.625rem;
}

/* Callout & Research Quote Box */
.research-quote-box {
  background: rgba(15, 23, 42, 0.85);
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.75rem 2rem;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-sm);
}

.research-quote-box h4 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.research-quote-box p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.research-cite {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  margin-top: 0.75rem;
  display: block;
}

/* Article Data Table */
.article-table-wrap {
  margin: 2.5rem 0;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.article-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.article-data-table th {
  background: rgba(25, 108, 211, 0.15);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-active);
}

.article-data-table td {
  padding: 1.125rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  line-height: 1.5;
}

.article-data-table tr:last-child td {
  border-bottom: none;
}

.article-data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.positive-metric {
  color: #10b981;
  font-weight: 700;
  font-family: var(--font-mono);
}

.negative-metric {
  color: #ef4444;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Code Snippet Box */
.article-code-box {
  background: #04070d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: #e2e8f0;
  line-height: 1.6;
}

.article-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Article Author Bio & CTA Footer Box */
.article-author-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 4rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(25, 108, 211, 0.15) 0%, rgba(0, 242, 254, 0.08) 100%);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: var(--card-p-lg);
  text-align: center;
  margin-top: 3rem;
}

.article-cta-box h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem auto;
  font-size: 1rem;
}

/* Responsive Blog & Article Overrides */
@media (max-width: 1024px) {
  .featured-article-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .article-sidebar {
    position: static;
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-author-card {
    flex-direction: column;
    text-align: center;
  }
  .featured-article-card {
    padding: 2rem 1.5rem;
  }
}

/* ==========================================================================
   TEXAS SERVICE HUBS & REGIONAL GEO COVERAGE
   ========================================================================== */
.service-areas-section {
  padding: var(--section-py) 0;
  background: radial-gradient(circle at 50% 0%, rgba(25, 108, 211, 0.08) 0%, transparent 70%), var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.geo-hubs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 2rem;
}

.geo-hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--card-p);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--trans-norm), border-color var(--trans-norm), box-shadow var(--trans-norm);
}

.geo-hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0.8;
}

.geo-hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.geo-hub-card.card-hq {
  border-color: rgba(0, 242, 254, 0.35);
  background: linear-gradient(180deg, rgba(13, 21, 39, 0.9) 0%, rgba(15, 23, 42, 0.7) 100%);
}

.geo-hub-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.hub-status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hub-status-badge.hq {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.hub-status-badge.corridor {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.hub-status-badge.metro {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.geo-hub-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.geo-hub-card .hub-geo-coords {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.geo-hub-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.hub-coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.coverage-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.coverage-tag i {
  color: var(--accent-cyan);
  font-size: 0.65rem;
}

.hub-action-row {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hub-action-row span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hub-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--trans-fast), color var(--trans-fast);
}

.hub-link:hover {
  color: #fff;
  gap: 0.6rem;
}

/* Local SEO Regional Banner Bar */
.regional-signals-bar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem var(--card-p);
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.signals-headline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.signals-headline i {
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.signals-headline h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.signals-headline p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.signals-cities-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.city-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(25, 108, 211, 0.15);
  border: 1px solid rgba(25, 108, 211, 0.35);
  color: #93c5fd;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   FAQ SECTION (GEO CITATION ARCHITECTURE)
   ========================================================================== */
.faq-section {
  padding: var(--section-py) 0;
  background: var(--bg-primary);
  position: relative;
}

.faq-accordion-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.faq-accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--trans-norm), background var(--trans-norm);
}

.faq-accordion-item:hover,
.faq-accordion-item.active {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  transition: color var(--trans-fast);
}

.faq-question-btn:hover {
  color: var(--accent-cyan);
}

.faq-icon-indicator {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
  transition: transform var(--trans-norm), background var(--trans-norm);
}

.faq-accordion-item.active .faq-icon-indicator {
  transform: rotate(180deg);
  background: var(--accent-blue);
  color: #fff;
}

.faq-answer-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
}

.faq-answer-text {
  padding: 0.25rem 1.5rem 1.75rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-answer-text strong {
  color: var(--text-primary);
}

.faq-answer-text ul {
  margin-top: 0.75rem;
  padding-left: 1.25rem;
}

.faq-answer-text li {
  margin-bottom: 0.35rem;
}

.faq-answer-text p:last-child,
.faq-answer-text ul:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .faq-question-btn {
    padding: 1.1rem 1.25rem;
    font-size: 0.98rem;
  }
  .faq-answer-text {
    padding: 0.15rem 1.25rem 1.5rem 1.25rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 1024px) {
  .geo-hubs-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   CONTENT MODE SWITCHER (PLAIN ENGLISH VS. TECHNICAL PRO)
   ========================================================================== */

/* Toggle Container in Navbar */
.mode-toggle-wrap {
  display: inline-flex;
  align-items: center;
  background: rgba(13, 20, 36, 0.85);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-full);
  padding: 3px;
  position: relative;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.mode-toggle-wrap:hover {
  border-color: rgba(0, 242, 254, 0.45);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.15);
}

.mode-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  border: none;
}

.mode-toggle-btn i {
  font-size: 0.75rem;
}

.mode-toggle-btn:hover {
  color: #fff;
}

.mode-toggle-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(25, 108, 211, 0.5);
}

body[data-content-mode="simple"] .mode-toggle-btn[data-mode="simple"],
body[data-content-mode="technical"] .mode-toggle-btn[data-mode="technical"] {
  background: linear-gradient(135deg, #196cd3 0%, #00f2fe 100%);
  color: #ffffff;
  box-shadow: 0 2px 12px rgba(0, 242, 254, 0.4);
}

/* Floating Hero Quick-Switch Banner */
.hero-mode-pill-wrap {
  margin-top: 0.25rem;
  margin-bottom: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 1.15rem;
  background: rgba(13, 20, 36, 0.65);
  border: 1px dashed rgba(0, 242, 254, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.hero-mode-pill-wrap span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-mode-switch-btn {
  background: rgba(0, 242, 254, 0.15);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-mode-switch-btn:hover {
  background: var(--accent-cyan);
  color: #070b14;
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
  transform: translateY(-1px);
}

.hero-mode-switch-btn:active {
  transform: scale(0.96);
}

.hero-mode-helper-text {
  display: inline-block;
  transition: opacity 0.16s ease;
}

body.mode-transitioning-out .hero-mode-helper-text {
  opacity: 0;
}

/* ==========================================================================
   SILKY SMOOTH CONTENT MODE TRANSITIONS (PLAIN ENGLISH <-> TECH PRO)
   ========================================================================== */

/* Active visibility state */
body[data-content-mode="simple"] .mode-technical {
  display: none !important;
}

body[data-content-mode="technical"] .mode-simple {
  display: none !important;
}

/* Base state for active mode elements */
body[data-content-mode="simple"] .mode-simple,
body[data-content-mode="technical"] .mode-technical {
  animation: modeSmoothEnter 0.34s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: opacity, transform, filter;
}

/* Exit transition phase (when switching) */
body.mode-transitioning-out .mode-simple,
body.mode-transitioning-out .mode-technical {
  opacity: 0 !important;
  transform: translateY(-8px) scale(0.99) !important;
  filter: blur(4px) !important;
  transition: opacity 0.14s ease-out, transform 0.14s ease-out, filter 0.14s ease-out !important;
}

/* Enter animation with soft blur-clear and upward drift */
@keyframes modeSmoothEnter {
  0% {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
    filter: blur(5px);
  }
  60% {
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Smooth wave stagger for hero tags during mode switch */
body.mode-transitioning-in .hero-dynamic-tags .dynamic-tag,
body:not(.mode-transitioning-out) [data-content-mode="simple"] .hero-dynamic-tags.mode-simple .dynamic-tag,
body:not(.mode-transitioning-out) [data-content-mode="technical"] .hero-dynamic-tags.mode-technical .dynamic-tag {
  animation: modeTagEnter 0.32s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.hero-dynamic-tags .dynamic-tag:nth-child(1) { animation-delay: 0.03s; }
.hero-dynamic-tags .dynamic-tag:nth-child(2) { animation-delay: 0.06s; }
.hero-dynamic-tags .dynamic-tag:nth-child(3) { animation-delay: 0.09s; }
.hero-dynamic-tags .dynamic-tag:nth-child(4) { animation-delay: 0.12s; }

@keyframes modeTagEnter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjust for mobile */
@media (max-width: 768px) {
  .mode-toggle-wrap {
    padding: 2px;
  }
  .mode-toggle-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
  }
  .hero-mode-pill-wrap {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    margin-bottom: 1.75rem;
  }
}

/* Blog Plain-English Executive Summary Callout Box */
.blog-plain-summary-card {
  background: rgba(0, 242, 254, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.blog-plain-summary-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-plain-summary-card p {
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.blog-plain-summary-card ul {
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}

.blog-plain-summary-card li {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}