/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* CSS Custom Properties for Design System */
:root {
  /* Common Design Tokens */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);

  /* Light Theme Palette (Default) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-primary: #2563eb;       /* Telecom Blue */
  --accent-secondary: #4f46e5;     /* Wink Indigo */
  --accent-glow: rgba(37, 99, 235, 0.15);
  --accent-success: #10b981;
  --border-color: #e2e8f0;
  
  /* Logo variables in Light Mode */
  --logo-primary: #2563eb;
  --logo-secondary: #4f46e5;
  --logo-smile: #0f172a;
  --logo-dark-text: #0f172a;
  
  /* Floating elements opacity */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(226, 232, 240, 0.8);
}

/* Dark Theme Palette Overrides */
body.dark-theme {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #6b7280;
  --accent-primary: #3b82f6;       /* Lighter Blue */
  --accent-secondary: #6366f1;     /* Lighter Indigo */
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-success: #34d399;
  --border-color: #374151;
  
  /* Logo variables in Dark Mode */
  --logo-primary: #3b82f6;
  --logo-secondary: #6366f1;
  --logo-smile: #f9fafb;
  --logo-dark-text: #f9fafb;
  
  --glass-bg: rgba(17, 24, 39, 0.8);
  --glass-border: rgba(55, 65, 81, 0.8);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.45);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

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

/* Common Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-primary) 100%);
  background-size: 200% auto;
  animation: shift-gradient 6s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

@keyframes shift-gradient {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}


/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo-img {
  height: 56px;
  width: auto;
  transition: transform var(--transition-normal);
}

.logo-link:hover .logo-img {
  transform: scale(1.03);
}

/* Dynamic Logo Styling & Animations */
.logo-primary-stroke { stroke: var(--logo-primary); }
.logo-smile-stroke { stroke: var(--logo-smile); }
.logo-primary-fill { fill: var(--logo-primary); }
.logo-secondary-fill { fill: var(--logo-secondary); }
.logo-dark-text-fill { fill: var(--logo-dark-text); }

@keyframes logo-wave-pulse {
  0% { opacity: 0.2; stroke-width: 5px; }
  40% { opacity: 1; stroke-width: 7px; }
  100% { opacity: 0.2; stroke-width: 5px; }
}

@keyframes logo-smile-wink {
  0%, 90%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.15); }
}

.logo-wave-1 {
  animation: logo-wave-pulse 1.8s infinite 0s;
  transform-origin: 55px 72px;
}
.logo-wave-2 {
  animation: logo-wave-pulse 1.8s infinite 0.3s;
  transform-origin: 55px 72px;
}
.logo-wave-3 {
  animation: logo-wave-pulse 1.8s infinite 0.6s;
  transform-origin: 55px 72px;
}

.logo-smile-stroke {
  transform-origin: 55px 72px;
  animation: logo-smile-wink 5s infinite ease-in-out;
}


.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 8px 0;
  color: var(--text-secondary);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Beautiful Theme Toggle Switch */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  outline: none;
  position: relative;
  width: 58px;
  height: 30px;
  background-color: #cbd5e1;
  border-radius: 9999px;
  transition: background-color var(--transition-normal);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

body.dark-theme .theme-toggle-btn {
  background-color: #374151;
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #f59e0b; /* Yellow Sun */
  transition: transform var(--transition-normal) cubic-bezier(0.34, 1.56, 0.64, 1), background-color var(--transition-normal);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

body.dark-theme .theme-toggle-thumb {
  transform: translateX(28px);
  background-color: #e2e8f0; /* White/Silver Moon */
}

/* Morph Sun to Moon using a scaling dark mask */
.theme-toggle-thumb::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #374151;
  top: -6px;
  right: -6px;
  transform: scale(0);
  transition: transform var(--transition-normal) ease;
}

body.dark-theme .theme-toggle-thumb::before {
  transform: scale(1);
  background-color: #374151;
}

/* Decorative stars inside toggle track in dark mode */
.theme-toggle-stars {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

body.dark-theme .theme-toggle-stars {
  opacity: 1;
}

.theme-toggle-stars::before, .theme-toggle-stars::after {
  content: '★';
  position: absolute;
  color: #fff;
  font-size: 8px;
}
.theme-toggle-stars::before { top: 6px; left: 8px; }
.theme-toggle-stars::after { top: 14px; left: 16px; font-size: 6px; }

/* Call to Action Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
  background-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 6px 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Responsive Menu */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition-normal) ease, opacity var(--transition-normal) ease;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  .header-actions .btn {
    display: none; /* Hide Header CTA on mobile header, add inside menu or hero */
  }
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 180px 0 100px 0;
  background-image: radial-gradient(circle at 10% 20%, var(--accent-glow) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(79, 70, 229, 0.1) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
}

.hero-title {
  font-size: 54px;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 38px;
  }
}

.hero-description {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 580px;
}

@media (max-width: 992px) {
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-image-container {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-backdrop {
  position: absolute;
  width: 80%;
  height: 80%;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  filter: blur(80px);
  opacity: 0.25;
  border-radius: 50%;
  z-index: 1;
}

.hero-illustration {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 480px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Stats Section */
.stats-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 8px;
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* Services / Pillars Section */
.services-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

@media (max-width: 768px) {
  .services-highlight-grid {
    grid-template-columns: 1fr;
  }
}

.service-pillar-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-pillar-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
  border-color: var(--accent-primary);
}

.services-highlight-grid > div:last-child:hover {
  border-color: var(--accent-secondary);
  box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
}


.service-pillar-card:hover::before {
  opacity: 1;
}

.service-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
  margin-bottom: 24px;
  color: var(--accent-primary);
}

.service-pillar-card:hover .service-icon-wrapper {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #ffffff;
}

.service-pillar-title {
  font-size: 24px;
  margin-bottom: 16px;
}

.service-pillar-desc {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.service-list {
  list-style: none;
  margin-bottom: 30px;
}

.service-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-success);
  font-weight: 700;
}

/* Service Detail Page specific */
.service-details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 992px) {
  .service-details-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .service-details-grid {
    grid-template-columns: 1fr;
  }
}

.service-detail-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-detail-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-secondary);
}

/* FAQ Section */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--accent-primary);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  outline: none;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  font-size: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) cubic-bezier(0, 1, 0, 1), padding var(--transition-normal);
  padding: 0 24px;
  color: var(--text-secondary);
}

.faq-item.active .faq-question-btn {
  color: var(--accent-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-item.active .faq-answer {
  max-height: 1000px; /* arbitrary high value for transition */
  padding: 0 24px 24px 24px;
  transition: max-height var(--transition-normal) cubic-bezier(1, 0, 1, 0);
}

/* Testimonials / Reviews Section */
.testimonials-slider-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding: 0 48px;
}

.testimonials-slider {
  overflow: hidden;
  position: relative;
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-normal) ease-in-out;
}

.testimonial-slide {
  min-width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.testimonial-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
}

.testimonial-card::before {
  content: '“';
  position: absolute;
  top: 10px;
  left: 30px;
  font-size: 100px;
  line-height: 1;
  font-family: var(--font-heading);
  color: var(--border-color);
  font-weight: 900;
  opacity: 0.5;
}

.testimonial-rating {
  color: #f59e0b; /* Golden stars */
  font-size: 20px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 18px;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.testimonial-author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin: 0 auto 12px auto;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 20px;
}

.testimonial-author-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
}

.testimonial-author-title {
  font-size: 13px;
  color: var(--text-muted);
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 10;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.slider-btn:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.slider-btn-prev { left: 0; }
.slider-btn-next { right: 0; }

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-color);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.slider-dot.active {
  background-color: var(--accent-primary);
  width: 24px;
  border-radius: 9999px;
}

/* Contact & Interactive Forms */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-method-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-method-value {
  color: var(--text-secondary);
  font-size: 15px;
}

.contact-form-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .contact-form-container {
    padding: 30px;
  }
}

.form-group-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 576px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 16px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-alert {
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 24px;
  display: none;
}

.form-alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border: 1px solid var(--accent-success);
}

.form-alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* Case Studies / Portfolio */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 992px) {
  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

.case-study-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.case-study-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.case-study-img-container {
  height: 220px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-study-img-svg {
  width: 80px;
  height: 80px;
  color: rgba(255,255,255,0.9);
}

.case-study-content {
  padding: 32px;
}

.case-study-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.case-study-title {
  font-size: 20px;
  margin-bottom: 12px;
}

.case-study-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.case-study-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.case-study-metric-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-success);
}

.case-study-metric-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* About Us Section Page Specific */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-feature-check {
  color: var(--accent-primary);
  font-weight: 800;
}

.about-feature-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
}

.about-feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Footer Section */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-logo {
  height: 50px;
  margin-bottom: 20px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-icon-btn:hover {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #ffffff;
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 4px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  outline: none;
}

.newsletter-input:focus {
  border-color: var(--accent-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-muted);
  font-size: 14px;
}

@media (max-width: 576px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* ==========================================
   Technology Animation Rules (Hero Illustration)
   ========================================== */

/* 1. Rotating concentric dash circles */
@keyframes rotate-clockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotate-counter-clockwise {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

.tech-circle-dash-1 {
  transform-origin: 250px 250px;
  animation: rotate-clockwise 30s linear infinite;
}

.tech-circle-dash-2 {
  transform-origin: 250px 250px;
  animation: rotate-counter-clockwise 20s linear infinite;
}

/* 2. Streaming data line dash arrays (Flowing packets) */
@keyframes flow-data {
  to {
    stroke-dashoffset: -20;
  }
}

.tech-data-line {
  stroke-dasharray: 8 6;
  animation: flow-data 0.8s linear infinite;
}

/* 3. Central Hub pulsing glow */
@keyframes hub-glow {
  0%, 100% {
    filter: drop-shadow(0 0 5px rgba(37, 99, 235, 0.2)) drop-shadow(0 4px 10px rgba(0,0,0,0.1));
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 20px rgba(37, 99, 235, 0.6)) drop-shadow(0 4px 12px rgba(0,0,0,0.15));
    transform: scale(1.02);
  }
}

.tech-hub {
  transform-origin: 250px 250px;
  animation: hub-glow 4s ease-in-out infinite;
}

/* 4. Staggered node pulses */
@keyframes node-bounce {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 8px 16px var(--accent-glow));
  }
}

.tech-node {
  transition: transform var(--transition-normal);
}

.tech-node:hover {
  transform: scale(1.12) !important;
  cursor: pointer;
}

.tech-node-1 {
  transform-origin: 130px 170px;
  animation: node-bounce 4s ease-in-out infinite;
}

.tech-node-2 {
  transform-origin: 370px 170px;
  animation: node-bounce 4s ease-in-out infinite 1.3s;
}

.tech-node-3 {
  transform-origin: 250px 380px;
  animation: node-bounce 4s ease-in-out infinite 2.6s;
}

/* ==========================================
   Scroll Triggered & Backdrop Blob Animations
   ========================================== */

/* 1. Scroll-triggered fading/sliding in of elements */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Grid delays for staggered entries */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.25s; }
.stagger-3 { transition-delay: 0.4s; }
.stagger-4 { transition-delay: 0.55s; }

/* 2. Floating blur dots for background design (Hero) */
.hero-bg-dot {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  animation: drift-bg 15s ease-in-out infinite alternate;
}

.dot-1 {
  width: 300px;
  height: 300px;
  background-color: var(--accent-primary);
  top: 15%;
  left: 5%;
}

.dot-2 {
  width: 250px;
  height: 250px;
  background-color: var(--accent-secondary);
  bottom: 15%;
  right: 10%;
  animation-delay: -5s;
}

@keyframes drift-bg {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -30px) scale(1.1); }
  100% { transform: translate(-30px, 40px) scale(0.9); }
}

/* ==========================================
   Advanced Sci-Fi Hero Animations
   ========================================== */

/* 1. Spin animations for orbiting data electrons */
@keyframes spin-clockwise {
  to { transform: rotate(360deg); }
}
@keyframes spin-counter-clockwise {
  to { transform: rotate(-360deg); }
}

.tech-orbit-group-1 {
  transform-origin: 250px 250px;
  animation: spin-clockwise 8s linear infinite;
}

.tech-orbit-group-2 {
  transform-origin: 250px 250px;
  animation: spin-counter-clockwise 5s linear infinite;
}

/* 2. Laser Sweeper Scan Line */
@keyframes laser-sweep {
  0% { transform: translateY(0px); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.8; }
  100% { transform: translateY(450px); opacity: 0; }
}

.tech-laser-scanner {
  animation: laser-sweep 4s linear infinite;
}

/* 3. Reticle pulsing coordinate brackets */
@keyframes reticle-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.08); opacity: 1; }
}

.tech-reticle {
  transform-origin: 250px 250px;
  animation: reticle-pulse 3s ease-in-out infinite;
}

/* ==========================================
   Responsive Dropdown Navigation Menu
   ========================================== */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  min-width: 220px;
  list-style: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 1100;
}

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

.dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* Responsive drop-down adjustments for mobile menu */
@media (max-width: 768px) {
  .nav-item-dropdown:hover .dropdown-menu {
    transform: none;
    position: static;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    background-color: transparent;
    padding: 0;
    min-width: 100%;
    text-align: center;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    background-color: transparent;
    padding: 0;
    min-width: 100%;
    transform: none;
    display: none;
  }
  .nav-item-dropdown:hover .dropdown-menu {
    display: block;
  }
  .dropdown-item {
    text-align: center;
    font-size: 14px;
    padding: 8px 0;
  }
}

/* ==========================================
   Advanced Sci-Fi Hero Animations additions
   ========================================== */
.tech-radar-ripple {
  transform-origin: 250px 250px;
  pointer-events: none;
}

@keyframes radar-ripple-1 {
  0% { r: 45; opacity: 0.9; stroke-width: 2px; }
  100% { r: 210; opacity: 0; stroke-width: 0.5px; }
}

@keyframes radar-ripple-2 {
  0% { r: 45; opacity: 0.9; stroke-width: 2px; }
  100% { r: 210; opacity: 0; stroke-width: 0.5px; }
}

.ripple-1 {
  animation: radar-ripple-1 4s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

.ripple-2 {
  animation: radar-ripple-2 4s cubic-bezier(0.1, 0.8, 0.3, 1) infinite 2s;
}

@keyframes hud-text-blink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.hud-blink-text {
  animation: hud-text-blink 2.5s ease-in-out infinite;
  fill: var(--accent-success);
}

.hud-blink-text-secondary {
  animation: hud-text-blink 3s ease-in-out infinite 1.2s;
  fill: var(--accent-primary);
}

.tech-circuit-node {
  animation: hud-text-blink 1.5s ease-in-out infinite alternate;
}