/* Root Custom Variables */
:root {
  /* Color System */
  --navy-deep: #0B192C;        /* Brand Primary */
  --navy-medium: #1E3047;      /* Secondary Dark */
  --navy-light: #314E72;       /* Slate accent */
  --navy-glowing: #4A6E9B;     /* Bright Accent Slate */
  --accent-cyan: #00ADB5;      /* Tech / Trust Cyan Accent */
  --accent-teal: #08D9D6;      /* Bright Teal Highlight */
  --accent-blue: #0056B3;      /* Interactive blue */
  
  /* Neutral Gradients */
  --bg-primary: #F4F6F9;       /* Light neutral gray-blue background */
  --bg-secondary: #FFFFFF;     /* Solid White for cards */
  --bg-subtle: #EAEFF5;        /* For dividers and tag backgrounds */
  
  --bg-gradient-main: radial-gradient(circle at 10% 20%, rgba(244,246,249,1) 0%, rgba(235,240,245,1) 90.1%);
  --bg-gradient-hero: linear-gradient(135deg, #0B192C 0%, #152C46 50%, #1E3047 100%);
  --bg-gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F9FBFC 100%);

  /* Text Colors */
  --text-dark: #0F172A;        /* Near black body */
  --text-medium: #27374D;      /* High visibility dark slate-blue body text */
  --text-light: #64748B;       /* Muted tertiary slate */
  --text-white: #FFFFFF;       /* Reverse text */
  --text-white-muted: #E2E8F0; /* Muted reverse text */

  /* UI Tokens */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-sm: 0 4px 12px rgba(11, 25, 44, 0.03);
  --shadow-md: 0 12px 32px rgba(11, 25, 44, 0.06);
  --shadow-lg: 0 24px 64px rgba(11, 25, 44, 0.12);

  --border-light: 1px solid rgba(11, 25, 44, 0.06);
}

/* Global Reset overrides - Locked to standard web typography scales */
html {
  font-size: 16px !important; /* Locks base layout unit to industry standard 16px */
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 1rem !important; /* 16px */
  line-height: 1.55 !important; /* Body text line-height ~1.5–1.6 */
  color: var(--text-dark);
  background: var(--bg-gradient-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  line-height: 1.25 !important; /* Heading line-height ~1.2–1.3 */
  color: var(--navy-deep);
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* Explicit standard web font sizes */
h1 {
  font-size: 2.5rem !important; /* 40px (H1 range: 36-48px) */
}

h2 {
  font-size: 1.875rem !important; /* 30px (H2 range: 28-32px) */
}

h3 {
  font-size: 1.375rem !important; /* 22px (H3 range: 20-24px) */
}

h4 {
  font-size: 1.125rem !important; /* 18px (H4/labels range: 16-18px) */
}




.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}


/* Custom Keyframe Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulseGlow {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 173, 181, 0.4); }
  70% { transform: scale(1.03); box-shadow: 0 0 0 10px rgba(0, 173, 181, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 173, 181, 0); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes floatUp {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0px); }
}

@keyframes floatDown {
  0% { transform: translateY(0px); }
  50% { transform: translateY(14px); }
  100% { transform: translateY(0px); }
}

@keyframes floatLeft {
  0% { transform: translate(0px, 0px); }
  50% { transform: translate(-8px, -10px); }
  100% { transform: translate(0px, 0px); }
}

@keyframes pulseScale {
  0% { transform: scale(1); }
  50% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.animate-fade-up {
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-float-up {
  animation: floatUp 6s ease-in-out infinite;
}

.animate-float-down {
  animation: floatDown 6s ease-in-out infinite;
}

.animate-float-left {
  animation: floatLeft 6s ease-in-out infinite;
}

.animate-pulse-scale {
  animation: pulseScale 5s ease-in-out infinite;
}

/* Custom UI Components and Badges */
.accent-line {
  height: 3px;
  width: 90px;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-cyan) 78%, #EF4444 78%, #EF4444 100%);
  display: inline-block;
  border-radius: var(--border-radius-full);
}

/* Checkmarks and bullets */
.bullet-list-custom {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0;
  margin: 0;
}

.bullet-list-custom li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 15px;
  color: var(--text-medium);
  line-height: 1.6;
}

.bullet-list-custom li span {
  flex: 1;
}

.check-bullet-icon {
  color: var(--accent-cyan);
  font-size: 22px;
  margin-top: 1px;
  flex-shrink: 0;
}

.arrow-bullet-icon {
  color: var(--accent-cyan);
  font-size: 20px;
  margin-top: 3px;
  flex-shrink: 0;
}

.shield-bullet-icon {
  color: var(--accent-cyan);
  font-size: 22px;
  margin-top: 1px;
  flex-shrink: 0;
}

.bullet-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--navy-deep);
  color: var(--text-white);
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2px;
}

/* History Timeline Connecting Line */
.history-timeline {
  position: relative;
  max-width: 800px;
  margin: 60px auto 0 auto;
  padding: 20px 0;
}

.history-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(11, 25, 44, 0.08);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .history-timeline::before {
    left: 20px;
  }
}

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-teal) 100%);
  width: 0%;
  z-index: 1100;
  transition: width 0.1s ease-out;
}

/* Custom Select Dropdown Styling */
.select-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230B192C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

/* Scrollbars */
.services-list-menu::-webkit-scrollbar {
  width: 4px;
}

.services-list-menu::-webkit-scrollbar-thumb {
  background: rgba(11, 25, 44, 0.1);
  border-radius: 2px;
}

/* Glass Header Dropdowns */
.nav-dropdown-wrapper {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: 270px;
  background: var(--bg-secondary);
  border: var(--border-light);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 1002;
}

.nav-dropdown-wrapper:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.glass-header.scrolled .nav-dropdown-menu {
  background: var(--navy-medium);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* Spinner */
.spinner-inline {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spinSlow 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

/* Slideshow Hero Slide Transitions */
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 10;
}

/* Scrolled Header Links & Text Override */
.glass-header.scrolled nav.nav-links a:not(.btn) {
  color: var(--text-white-muted) !important;
}

.glass-header.scrolled nav.nav-links a:not(.btn):hover,
.glass-header.scrolled nav.nav-links a:not(.btn).active {
  color: var(--text-white) !important;
}

.glass-header.scrolled .mobile-toggle {
  color: var(--text-white);
}

.glass-header.scrolled .logo-image {
  border-color: rgba(255, 255, 255, 0.1);
}

/* Background Gradients and Glows */
.bg-gradient-hero {
  background: var(--bg-gradient-hero);
}

/* CTA Highlighted Card Styling */
.cta-section {
  border: 1px solid rgba(0, 173, 181, 0.3) !important;
  box-shadow: 0 24px 64px rgba(11, 25, 44, 0.3), 0 0 50px rgba(0, 173, 181, 0.15) !important;
  border-radius: var(--border-radius-md) !important;
  background: var(--bg-gradient-hero) !important;
  transition: all 0.3s ease;
}

.cta-section:hover {
  border-color: rgba(0, 173, 181, 0.45) !important;
  box-shadow: 0 32px 80px rgba(11, 25, 44, 0.35), 0 0 60px rgba(0, 173, 181, 0.25) !important;
}

.cta-glow {
  background: radial-gradient(circle, rgba(0, 173, 181, 0.22) 0%, rgba(8, 217, 214, 0.08) 50%, transparent 70%);
  filter: blur(40px);
}

/* Text Color Utility Fallbacks */
.text-text-white-muted, 
.text-white-muted {
  color: var(--text-white-muted) !important;
}

.text-text-white, 
.text-white {
  color: var(--text-white) !important;
}

/* Push sub-page heroes down to clear the fixed 80px navigation header */
.about-hero,
.services-banner,
.contact-hero {
  margin-top: 80px !important;
}





/* Floating Action Button Pulsing Glow Effect */
@keyframes fab-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 173, 181, 0.7), 0 8px 32px rgba(11, 25, 44, 0.2);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(0, 173, 181, 0), 0 8px 32px rgba(11, 25, 44, 0.2);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 173, 181, 0), 0 8px 32px rgba(11, 25, 44, 0.2);
  }
}

.fab-btn-glow {
  animation: fab-pulse 2s infinite;
  box-shadow: 0 8px 32px rgba(0, 173, 181, 0.4);
}

/* Scroll Reveal Animation Styles */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.scale-up {
  transform: translateY(24px) scale(0.96);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered Grid Delay Utilities */
.reveal-delay-100 { transition-delay: 100ms !important; }
.reveal-delay-200 { transition-delay: 200ms !important; }
.reveal-delay-300 { transition-delay: 300ms !important; }
.reveal-delay-400 { transition-delay: 400ms !important; }
.reveal-delay-500 { transition-delay: 500ms !important; }
.reveal-delay-600 { transition-delay: 600ms !important; }
.reveal-delay-700 { transition-delay: 700ms !important; }
.reveal-delay-800 { transition-delay: 800ms !important; }

/* Accessibility support */
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}


/* Standard centered container with responsive side padding */
.tracevia-container {
  width: 100% !important;
  max-width: 1280px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
}

@media (min-width: 768px) {
  .tracevia-container {
    padding-left: 48px !important;
    padding-right: 48px !important;
  }
}

@media (min-width: 1200px) {
  .tracevia-container {
    padding-left: 64px !important;
    padding-right: 64px !important;
  }
}

/* Mobile Navigation CSS Layout */
@media (max-width: 767px) {
  .nav-links {
    position: fixed !important;
    top: 80px !important;
    left: 0 !important;
    width: 100% !important;
    height: auto !important;
    max-height: calc(100vh - 80px) !important;
    overflow-y: auto !important;
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid rgba(11, 25, 44, 0.08) !important;
    flex-direction: column !important;
    align-items: center !important;
    padding: 32px 24px !important;
    gap: 24px !important;
    box-shadow: 0 16px 48px rgba(11, 25, 44, 0.12) !important;
    transform: translateY(-150%) !important;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
    z-index: 999 !important;
  }
  
  .nav-links.mobile-open {
    transform: translateY(0) !important;
  }

  .nav-dropdown-menu {
    display: none !important; /* Hidden on mobile by default */
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    box-shadow: none !important;
    border: none !important;
    background: transparent !important;
    width: 100% !important;
    padding: 0 !important;
    margin-top: 8px !important;
  }
  
  .nav-dropdown-wrapper.mobile-dropdown-active .nav-dropdown-menu {
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
  }

  .nav-dropdown-menu a {
    justify-content: center !important;
    padding: 10px 16px !important;
  }

  .dropdown-trigger-icon i {
    transition: transform 0.3s ease !important;
  }
  
  .glass-header.scrolled nav.nav-links a:not(.btn) {
    color: var(--text-dark) !important;
  }
}