/* ===== CSS VARIABLES ===== */
:root {
  /* Triadic Color Scheme */
  --primary-color: #3f51b5;
  --primary-dark: #303f9f;
  --primary-light: #7986cb;
  
  --secondary-color: #ff5722;
  --secondary-dark: #d84315;
  --secondary-light: #ff8a65;
  
  --tertiary-color: #4caf50;
  --tertiary-dark: #388e3c;
  --tertiary-light: #4a934e;
  
  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  
  /* Glassmorphism Colors */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-bg-dark: rgba(0, 0, 0, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  
  /* Text Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --text-white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-tertiary: linear-gradient(135deg, var(--tertiary-color), var(--tertiary-light));
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Transitions */
  --transition-fast: all 0.2s ease-in-out;
  --transition-normal: all 0.3s ease-in-out;
  --transition-slow: all 0.5s ease-in-out;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ===== GLOBAL RESET & BASE STYLES ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--white);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.75rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 500; }
h6 { font-size: 1.125rem; font-weight: 500; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  line-height: 1.7;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.6;
}

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

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

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

/* ===== BUTTON STYLES (GLOBAL) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--white);
  box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
  color: var(--white);
  box-shadow: var(--shadow-xl);
}

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

.btn-outline-primary:hover {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary-color);
}

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

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary-color);
  border-color: var(--white);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
}

button, input[type='submit'] {
  font-family: var(--font-heading);
  font-weight: 500;
  transition: var(--transition-normal);
}

/* Glass Button Effect */
.glass-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--white);
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--white);
  transform: translateY(-2px);
}

/* Read More Links */
.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition-normal);
}

.read-more:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

.read-more::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-normal);
}

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

/* ===== GLASSMORPHISM COMPONENTS ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  transition: var(--transition-normal);
  overflow: hidden;
  position: relative;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(255, 255, 255, 0.3);
}

.glass-nav {
  background: rgba(28, 28, 28, 0.563);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-normal);
}

.glass-nav.scrolled {
  background: rgba(55, 55, 55, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ===== NAVIGATION ===== */
.navbar {
  padding: 1rem 0;
  transition: var(--transition-normal);
  z-index: var(--z-fixed);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white) !important;
  transition: var(--transition-normal);
}

.navbar-nav .nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--white) !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--white) !important;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
  background: var(--glass-bg);
  color: var(--white) !important;
}

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

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

/* ===== HERO SECTION ===== */
.hero-section {
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
  z-index: 1;
}

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

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-2xl);
  color: var(--white) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out 0.3s both;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 60px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 1px;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  background: var(--white);
  border-radius: 1px;
  animation: scrollIndicator 2s infinite;
}

/* ===== CARD STYLES ===== */
.card {
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.card-image:hover img {
  transform: scale(1.1);
}

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-text {
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

/* ===== TEAM SECTION ===== */
#team {
  padding: var(--spacing-3xl) 0;
}

.team-member {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.team-member .card-image {
  height: 300px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-lg);
}

.team-member h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.team-member .text-muted {
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

/* ===== INSTRUCTORS SECTION ===== */
#instructors {
  padding: var(--spacing-3xl) 0;
}

.instructor-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: var(--transition-normal);
}

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

/* ===== SUCCESS STORIES SECTION ===== */
#success-stories {
  padding: var(--spacing-3xl) 0;
}

.success-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.success-card .card-content {
  flex-grow: 1;
}

.badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  margin: 0.25rem;
}

.badge.bg-success { background-color: var(--tertiary-color) !important; }
.badge.bg-primary { background-color: var(--primary-color) !important; }
.badge.bg-info { background-color: #17a2b8 !important; }
.badge.bg-warning { background-color: #ffc107 !important; color: var(--text-primary) !important; }
.badge.bg-secondary { background-color: var(--gray-600) !important; }

/* ===== INNOVATION SECTION ===== */
#innovation {
  padding: var(--spacing-3xl) 0;
}

.feature-item {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  text-align: center;
}

.feature-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-item h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

/* ===== WORKSHOPS SECTION ===== */
#workshops {
  padding: var(--spacing-3xl) 0;
}

.workshop-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.workshop-card .card-image {
  height: 300px;
}

/* ===== PRICING SECTION ===== */
#pricing {
  padding: var(--spacing-3xl) 0;
}

.pricing-card {
  height: 100%;
  position: relative;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.pricing-card.featured {
  transform: scale(1.05);
  border: 2px solid var(--primary-color);
}

.pricing-card.featured::before {
  content: 'ПОПУЛЯРНЫЙ';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-price {
  font-family: var(--font-heading);
  font-weight: 700;
}

.pricing-price .h2 {
  color: var(--primary-color);
}

.pricing-card ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-card ul li:last-child {
  border-bottom: none;
}

/* ===== CUSTOMER STORIES SECTION ===== */
#customer-stories {
  padding: var(--spacing-3xl) 0;
}

.testimonial {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.testimonial img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

.testimonial h6 {
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.testimonial small {
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  display: block;
}

.testimonial p {
  font-style: italic;
  color: var(--text-secondary);
  flex-grow: 1;
}

/* ===== NEWS SECTION ===== */
#news {
  padding: var(--spacing-3xl) 0;
}

.news-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.news-card .card-image {
  height: 250px;
}

.news-card small {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.news-card .card-title {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

/* ===== CONTACT SECTION ===== */
#contact {
  padding: var(--spacing-3xl) 0;
}

.contact-info {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
}

.contact-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
}

.form-control {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-normal);
  background-color: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(63, 81, 181, 0.25);
  background-color: var(--white);
}

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

footer h5, footer h6 {
  color: var(--white);
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-md);
}

footer p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

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

footer ul li {
  margin-bottom: 0.5rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
}

footer a:hover {
  color: var(--white);
  transform: translateX(4px);
}

/* Social Media Links */
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  margin-right: 0.5rem;
  transition: var(--transition-normal);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
}

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

footer hr {
  border-color: rgba(255, 255, 255, 0.2);
  margin: var(--spacing-2xl) 0 var(--spacing-lg);
}

/* ===== UTILITY CLASSES ===== */
.min-vh-100 {
  min-height: 100vh;
}

.d-flex {
  display: flex !important;
}

.align-items-center {
  align-items: center !important;
}

.justify-content-center {
  justify-content: center !important;
}

.text-center {
  text-align: center !important;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }

.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.py-5 { 
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.g-4 > * {
  padding: 0.75rem;
}

/* ===== PAGE-SPECIFIC STYLES ===== */

/* Privacy & Terms Pages */
.privacy-content,
.terms-content {
  padding-top: 100px;
  min-height: 100vh;
}

.privacy-content .container,
.terms-content .container {
  max-width: 800px;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  text-align: center;
  padding: 2rem;
}

.success-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-3xl);
  border: 1px solid var(--glass-border);
  max-width: 600px;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--tertiary-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
  color: var(--white);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scrollIndicator {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(30px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Scroll-dependent animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1199.98px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .pricing-card.featured {
    transform: none;
    margin-top: 1rem;
  }
}

@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  .card-image {
    height: 200px;
  }
  
  .team-member .card-image {
    height: 250px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --spacing-3xl: 2rem;
    --spacing-2xl: 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .card-content {
    padding: var(--spacing-md);
  }
  
  .contact-form,
  .contact-info {
    margin-bottom: var(--spacing-lg);
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-3 {
    font-size: 2.5rem;
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
  }
  
  .card-image {
    height: 180px;
  }
  
  .team-member .card-image {
    height: 200px;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .d-flex.gap-3.flex-wrap .btn {
    width: auto;
    flex: 1;
    min-width: calc(50% - 0.375rem);
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.card-image img,
.hero-section {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-indicator::after {
    animation: none;
  }
}

/* ===== ACCESSIBILITY ===== */
.btn:focus,
.form-control:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  .glass-card,
  .glass-btn,
  .glass-nav {
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--black);
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --glass-bg: rgba(0, 0, 0, 0.15);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
  
  body {
    background-color: var(--gray-900);
    color: var(--text-primary);
  }
  
  .card {
    background-color: var(--gray-800);
    color: var(--text-primary);
  }
  
  .form-control {
    background-color: var(--gray-800);
    color: var(--text-primary);
    border-color: var(--gray-600);
  }
}