/**
 * TheSignTech Enterprise Design System
 * Full-scale enterprise-level styling with SEO-optimized structure
 */

/* ============================================
   DESIGN TOKENS & VARIABLES
   ============================================ */
:root {
  /* Core Colors - Preserving brand identity */
  --bg-deep: #03000a;
  --bg-surface: #0a0514;
  --bg-elevated: #0f0a1a;
  --bg-card: rgba(15, 15, 30, 0.6);
  --accent-gold: #FFD700;
  --accent-gold-dim: rgba(255, 215, 0, 0.15);
  --accent-cyan: #00f3ff;
  --accent-cyan-dim: rgba(0, 243, 255, 0.12);
  --text-main: #ffffff;
  --text-secondary: #e5e7eb;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.15);
  --glass-bg: rgba(5, 2, 15, 0.92);
  --success: #10b981;
  --danger: #ef4444;
  
  /* Typography */
  --font-sans: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Syne', 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 243, 255, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  
  /* Container */
  --container-max: 1280px;
  --container-narrow: 760px;
}

/* ============================================
   BASE & RESET
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  overflow-x: hidden;
  margin: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: pageLoad 0.5s ease-out;
}

@keyframes pageLoad {
  from { opacity: 0.97; }
  to { opacity: 1; }
}

/* Optional: Custom cursor for desktop only */
@media (pointer: fine) {
  body.has-custom-cursor {
    cursor: none;
  }
  body.has-custom-cursor .cursor-dot,
  body.has-custom-cursor .cursor-outline {
    display: block;
  }
}

body:not(.has-custom-cursor) .cursor-dot,
body:not(.has-custom-cursor) .cursor-outline {
  display: none !important;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 5vw, 2rem); }

p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

/* ============================================
   LAYOUT & CONTAINER
   ============================================ */
.enterprise-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (min-width: 768px) {
  .enterprise-container { padding: 0 var(--space-3xl); }
}

.section-padding {
  padding: var(--space-4xl) 0;
}

.section-padding-lg {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section-padding-lg { padding: 6rem 0; }
}

/* ============================================
   NAVIGATION - Enterprise Mega Menu
   Premium seamless design with unified header/footer language
   ============================================ */
.enterprise-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(5, 2, 15, 0.98) 0%, rgba(5, 2, 15, 0.92) 100%);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: padding var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.enterprise-nav.scrolled {
  padding: 0.35rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.04);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem var(--space-xl);
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .nav-inner { padding: 1rem var(--space-3xl); }
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-main);
  transition: opacity var(--transition-fast);
}

.nav-brand img {
  height: 40px;
  width: auto;
  transition: transform var(--transition-fast);
}

.nav-brand:hover {
  color: var(--text-main);
  opacity: 0.9;
}

.nav-brand:hover img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.has-dropdown::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 2px;
  opacity: 0.6;
}

/* Mega Menu Dropdown - Premium panel */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 300px;
  padding: var(--space-md);
  background: linear-gradient(180deg, rgba(8, 5, 20, 0.98) 0%, rgba(5, 2, 15, 0.98) 100%);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.03);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.25s;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-header {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--space-sm);
}

.nav-dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.65rem var(--space-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
}

.nav-dropdown-link:hover {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  padding-left: 1rem;
}

.nav-dropdown-link i {
  font-size: 1rem;
  width: 22px;
  text-align: center;
  color: var(--accent-gold);
}

/* Nav CTA - Premium CTA button */
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.35rem;
  margin-left: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--accent-gold) 0%, #ffec8b 100%);
  border: none;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(255, 215, 0, 0.25);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  background: linear-gradient(135deg, #fff 0%, #ffec8b 100%);
  color: var(--bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent-cyan);
}

@media (min-width: 992px) {
  .nav-toggle { display: none; }
  .nav-menu { display: flex; }
}

@media (max-width: 991px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(8, 5, 20, 0.98) 0%, rgba(5, 2, 15, 0.98) 100%);
    backdrop-filter: blur(24px);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
  .nav-menu.open { display: flex; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin-top: var(--space-sm); }
  .nav-cta { margin-left: 0; margin-top: var(--space-sm); }
}

/* ============================================
   HERO & PAGE HEADERS
   ============================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 243, 255, 0.12) 0%, transparent 50%),
              radial-gradient(ellipse 60% 40% at 80% 100%, rgba(255, 215, 0, 0.08) 0%, transparent 45%),
              radial-gradient(ellipse 40% 30% at 20% 80%, rgba(0, 243, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, transparent, rgba(0, 0, 0, 0.4));
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(0, 243, 255, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  color: var(--text-main);
}

.hero-title .highlight {
  color: var(--accent-cyan);
  position: relative;
  text-shadow: 0 0 40px rgba(0, 243, 255, 0.3);
}

.hero-title .highlight-gold {
  color: var(--accent-gold);
  text-shadow: 0 0 40px rgba(255, 215, 0, 0.25);
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.page-header {
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
}

.page-header-badge {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  margin-bottom: var(--space-md);
}

.page-header-title {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-main);
}

.page-header-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--accent-gold) 0%, #ffec8b 100%);
  border: none;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fff 0%, #ffec8b 100%);
  color: var(--bg-deep);
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(255, 215, 0, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: transparent;
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--accent-cyan-dim);
  color: var(--text-main);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 243, 255, 0.15);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Arrow slide on hover */
.btn-outline i,
.btn-primary i {
  transition: transform var(--transition-fast);
}

.btn-outline:hover i,
.btn-primary:hover i {
  transform: translateX(3px);
}

.visually-hidden.focusable:focus {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--accent-gold);
  color: var(--bg-deep);
  clip: auto;
  overflow: visible;
  white-space: nowrap;
}

/* ============================================
   CARDS & FEATURES - 3D Interactive
   ============================================ */
.feature-card {
  background: linear-gradient(145deg, rgba(0, 243, 255, 0.03) 0%, var(--bg-card) 50%, rgba(255, 215, 0, 0.02) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  height: 100%;
  transition: border-color var(--transition-base), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(0, 243, 255, 0.35);
  transform: translateY(-8px) rotateX(2deg) rotateY(2deg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 80px rgba(0, 243, 255, 0.15);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--accent-cyan-dim) 0%, rgba(0, 243, 255, 0.08) 100%);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 20px rgba(0, 243, 255, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(0, 243, 255, 0.2);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Stat Cards - 3D lift */
.stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, var(--bg-card) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow 0.4s ease, transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stat-card:hover {
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(255, 215, 0, 0.1);
  transform: translateY(-4px) scale(1.02);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* Trust Badges - Homepage only, contextual placement */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--glass-border);
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.trust-badge-item i {
  color: var(--accent-gold);
  font-size: 1rem;
}

/* ============================================
   CLIENTS & TRUST
   ============================================ */
.clients-section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.3) 100%);
}

.clients-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-faint);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0.7;
}

.clients-grid img {
  height: 32px;
  width: auto;
  display: block;
  filter: grayscale(100%) brightness(100);
  transition: filter var(--transition-fast);
}

.clients-grid img:hover {
  filter: grayscale(0%) brightness(100);
}

/* ============================================
   FOOTER - Enterprise Multi-Column
   Cohesive design with header, seamless transition
   ============================================ */
.enterprise-footer {
  background: linear-gradient(180deg, rgba(2, 0, 8, 0.98) 0%, #000 50%, #000 100%);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-4xl) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.enterprise-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.15), rgba(255, 215, 0, 0.1), transparent);
  opacity: 0.6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-3xl); }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand a {
  display: inline-block;
  transition: opacity var(--transition-fast);
}

.footer-brand a:hover {
  opacity: 0.9;
}

.footer-brand img {
  height: 42px;
  margin-bottom: var(--space-lg);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.65;
}

.footer-brand .social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.footer-brand .social-links a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.footer-brand .social-links a:hover {
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
  border-color: rgba(255, 215, 0, 0.3);
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-main);
  margin-bottom: var(--space-lg);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

/* Footer Newsletter */
.footer-newsletter {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
}

.footer-newsletter-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.footer-newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 320px;
}

.footer-newsletter-form input {
  flex: 1;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.footer-newsletter-form input::placeholder {
  color: var(--text-faint);
}

.footer-newsletter-form input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.footer-newsletter-form .btn-primary {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; text-align: left; }
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin: 0;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-faint);
  text-decoration: none;
}

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

/* Trust Bar - Enterprise footer element */
.footer-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--space-2xl);
}

.footer-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-trust-item i {
  color: var(--accent-gold);
  font-size: 1rem;
}

/* ============================================
   ANIMATIONS & REVEAL - 3D Enhanced
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px) scale(0.97);
  transition: opacity 0.9s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.9s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered reveal delays */
.reveal.reveal-delay-1 { transition-delay: 0.1s; }
.reveal.reveal-delay-2 { transition-delay: 0.2s; }
.reveal.reveal-delay-3 { transition-delay: 0.3s; }
.reveal.reveal-delay-4 { transition-delay: 0.4s; }
.reveal.reveal-delay-5 { transition-delay: 0.5s; }
.reveal.reveal-delay-6 { transition-delay: 0.6s; }

/* Icon subtle pulse */
@keyframes iconPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.feature-icon i {
  animation: iconPulse 3s ease-in-out infinite;
}

.feature-card:hover .feature-icon i {
  animation: none;
}

/* Hero badge float */
@keyframes heroBadgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.hero-badge {
  animation: heroBadgeFloat 4s ease-in-out infinite;
}

/* Stat number count-up feel */
@keyframes statGlow {
  0%, 100% { text-shadow: 0 0 20px rgba(255, 215, 0, 0.2); }
  50% { text-shadow: 0 0 30px rgba(255, 215, 0, 0.35); }
}

.stat-value {
  animation: statGlow 3s ease-in-out infinite;
}

/* Image card with overlay - 3D parallax effect */
.img-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  transform-style: preserve-3d;
  perspective: 800px;
}

.img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform-origin: center center;
}

.img-card:hover img {
  transform: scale(1.12) translateZ(20px);
}

/* 3D tilt on img-card parent (feature-card) */
.feature-card:hover .img-card img {
  transform: scale(1.1) translateZ(15px);
}

.img-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0,0,0,0.95), transparent);
  color: var(--text-main);
}

/* Section divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: var(--space-3xl) 0;
}

/* CTA section with subtle background */
.cta-section {
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=20') center/cover no-repeat;
  opacity: 0.06;
  pointer-events: none;
}

.cta-section .enterprise-container {
  position: relative;
  z-index: 1;
}

/* Hero visual panel - subtle 3D depth */
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-visual:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 243, 255, 0.08);
}

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.hero-visual:hover img {
  transform: scale(1.02);
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* ============================================
   BREADCRUMBS (SEO)
   ============================================ */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.breadcrumbs a {
  color: var(--text-muted);
}

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

.breadcrumbs span {
  color: var(--text-faint);
}

.breadcrumbs .separator {
  color: var(--text-faint);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-gold { color: var(--accent-gold); }
.text-cyan { color: var(--accent-cyan); }
.text-muted { color: var(--text-muted); }

/* Background Canvas - Subtle */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.2;
  pointer-events: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   CTA FAB - Premium floating action button
   ============================================ */
.cta-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #ffec8b 100%);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px rgba(255, 215, 0, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 32px rgba(255, 215, 0, 0.45);
  color: var(--bg-deep);
}

/* ============================================
   PROJECT CARDS - 3D Interactive
   ============================================ */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s ease;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.project-card:hover {
  border-color: rgba(0, 243, 255, 0.35);
  transform: translateY(-6px) rotateX(2deg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 50px rgba(0, 243, 255, 0.1);
}

.project-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-card .card-body {
  padding: var(--space-xl);
}

.project-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 4px 10px;
  border-radius: 4px;
  margin-right: 6px;
  margin-bottom: 6px;
  display: inline-block;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.project-card:hover .project-tag {
  background: rgba(0, 243, 255, 0.1);
}