/* CSS Variables and Root Configuration */
:root {
  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Rubik', sans-serif;
  
  /* Colors - Neutral Scheme with Corporate Elements */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #60a5fa;
  --color-secondary: #64748b;
  --color-secondary-dark: #475569;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  
  /* Neutral Colors */
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-success-dark: #059669;
  --color-warning: #f59e0b;
  --color-warning-dark: #d97706;
  --color-error: #ef4444;
  --color-error-dark: #dc2626;
  --color-info: #3b82f6;
  --color-info-dark: #2563eb;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-dark: #0f172a;
  --bg-light: #ffffff;
  
  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;
  --text-light: #f1f5f9;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-neutral-600) 100%);
  --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
  --gradient-hero-overlay: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(15, 23, 42, 0.8) 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography Scale - Adaptive */
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.4vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.5vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2vw, 4rem);
  --text-6xl: clamp(4rem, 3rem + 3vw, 6rem);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.lead {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.6;
}

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

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

/* Global Button Styles */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  padding: 0.75rem 2rem;
  border-radius: var(--radius-lg);
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-transform: none;
  letter-spacing: 0.025em;
}

.btn: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 var(--transition-slow);
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-white);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-outline-primary:hover {
  background: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--text-white);
}

.btn-outline-light:hover {
  background: var(--text-white);
  color: var(--text-primary);
  border-color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 0.5rem 1.5rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
}

.read-more-link:after {
  content: '→';
  transition: transform var(--transition-base);
}

.read-more-link:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.read-more-link:hover:after {
  transform: translateX(4px);
}

/* Header/Navigation */
.navbar {
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--text-white) !important;
}

.navbar-nav .nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--text-light) !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.navbar-nav .nav-link:hover {
  color: var(--text-white) !important;
  background-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

.hero-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero-overlay);
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1,
.hero-section h2,
.hero-section p,
.hero-section .text-white {
  color: var(--text-white) !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.stats-widget {
  background: rgba(15, 23, 42, 0.8) !important;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.stats-widget:hover {
  transform: translateY(-5px);
  background: rgba(15, 23, 42, 0.9) !important;
  box-shadow: var(--shadow-xl);
}

/* Card Styles */
.card {
  background: var(--bg-primary);
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-img-top {
  border-radius: 0;
  transition: all var(--transition-base);
  object-fit: cover;
  width: 100%;
  height: 250px;
}

.card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.card-image img {
  margin: 0 auto;
  object-fit: cover;
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--text-secondary);
  flex: 1;
}

/* Team and Profile Cards */
.team-member,
.profile-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.team-member .card-image,
.profile-card .card-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.team-member img,
.profile-card img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-full);
  border: 4px solid var(--color-neutral-100);
  transition: all var(--transition-base);
}

.team-member:hover img,
.profile-card:hover img {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* Testimonials and Customer Stories */
.testimonial {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.testimonial:before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--color-primary);
  font-family: serif;
  opacity: 0.3;
}

/* Section Styles */
section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* Background Variations */
.bg-light {
  background-color: var(--bg-secondary) !important;
}

.bg-dark {
  background-color: var(--bg-dark) !important;
  color: var(--text-white);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4, .bg-dark h5, .bg-dark h6 {
  color: var(--text-white);
}

.bg-dark .text-muted {
  color: var(--color-neutral-400) !important;
}

/* Forms */
.form-control {
  background-color: var(--bg-primary);
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-select {
  background-color: var(--bg-primary);
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Contact Section */
#contact {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--color-neutral-100) 100%);
}

#contact .card {
  border: none;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
}

/* Footer */
footer {
  background: var(--bg-dark) !important;
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

footer:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

footer h5, footer h6 {
  color: var(--text-white);
  font-family: var(--font-heading);
}

footer a {
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
}

footer a:hover {
  color: var(--color-primary-light);
  text-decoration: none;
  transform: translateX(2px);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-white);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--color-primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: var(--text-white);
}

.success-page .container {
  text-align: center;
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
}

.privacy-page .container,
.terms-page .container {
  max-width: 800px;
  margin: 0 auto;
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

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

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out forwards;
}

.slide-up {
  animation: slideUp var(--transition-bounce) ease-out forwards;
}

.scale-in {
  animation: scaleIn var(--transition-base) ease-out forwards;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
  transition: all var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Image Styles */
img {
  max-width: 100%;
  height: auto;
}

.img-cover {
  object-fit: cover;
}

.img-rounded {
  border-radius: var(--radius-lg);
}

.img-circle {
  border-radius: var(--radius-full);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading:after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }
  
  .hero-section {
    background-attachment: scroll;
  }
  
  .btn {
    padding: 0.625rem 1.5rem;
    font-size: var(--text-sm);
  }
  
  .btn-lg {
    padding: 0.75rem 2rem;
    font-size: var(--text-base);
  }
  
  .stats-widget {
    margin-bottom: var(--spacing-md);
  }
  
  .team-member img,
  .profile-card img {
    width: 150px;
    height: 150px;
  }
  
  .card-img-top {
    height: 200px;
  }
}

@media (max-width: 576px) {
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-section {
    min-height: 80vh;
  }
  
  .d-flex.flex-column.flex-sm-row {
    gap: var(--spacing-sm) !important;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .social-links {
    justify-content: center;
    margin-top: var(--spacing-md);
  }
}

/* Print Styles */
@media print {
  .navbar,
  footer,
  .btn,
  .social-links {
    display: none !important;
  }
  
  body {
    color: black !important;
    background: white !important;
  }
  
  .hero-section {
    background: white !important;
    color: black !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0000ff;
    --text-primary: #000000;
    --text-secondary: #333333;
    --bg-primary: #ffffff;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero-section {
    background-attachment: scroll;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
  }
  
  .card {
    background: var(--bg-secondary);
    border: 1px solid var(--color-neutral-700);
  }
  
  .form-control,
  .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--color-neutral-600);
    color: var(--text-primary);
  }
}