/* CSS Variables for Design System */
:root {
  /* Brand Colors */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);

  /* Primary Colors */
  --primary-color: #667eea;
  --primary-dark: #5a6fd8;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --accent-dark: #e67aa3;

  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;

  /* Text Colors */
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-light: #718096;
  --text-white: #ffffff;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f7fafc;
  --bg-dark: #2d3748;
  --bg-overlay: rgba(0, 0, 0, 0.5);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.2);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* 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;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Typography */
  --font-heading: "Roboto", sans-serif;
  --font-body: "Lato", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-width: 140px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.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(--primary-gradient);
  color: var(--white);
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  filter: brightness(1.1);
}

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

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

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

.btn-outline:hover {
  background: var(--primary-gradient);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Header */
.header-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar {
  padding: var(--spacing-md) 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.brand-link {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
}

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

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

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-gradient);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

/* Hero Section */
.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 100px 20px;
  color: var(--white);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  animation: slideInUp 1s ease-out;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--white);
  opacity: 0.95;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.4s both;
}

/* Section Styles */
.section-title {
  text-align: center;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-3xl);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.section-description {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl) auto;
}

/* Common Section Padding */
section {
  padding: var(--spacing-3xl) 0;
}

/* Methodology Section */
.methodology-section {
  background: var(--bg-secondary);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.methodology-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.methodology-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

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

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

.methodology-card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-xl);
  text-align: center;
}

.card-content h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

/* Testimonials Section */
.testimonials-section {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: var(--spacing-xl);
  font-size: 4rem;
  color: var(--primary-color);
  font-family: Georgia, serif;
}

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

.testimonial-card .card-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border: 4px solid var(--primary-color);
}

.testimonial-card .card-image img {
  border-radius: 50%;
}

blockquote {
  font-style: italic;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

cite {
  font-weight: 600;
  color: var(--primary-color);
  font-style: normal;
}

/* Case Studies Section */
.case-studies-section {
  background: var(--bg-secondary);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.case-study-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.case-study-card .card-image {
  height: 250px;
}

.case-study-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--spacing-md);
  transition: all var(--transition-normal);
}

.case-study-link:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

.case-study-link::after {
  content: "→";
  margin-left: var(--spacing-sm);
  transition: transform var(--transition-normal);
}

.case-study-link:hover::after {
  transform: translateX(3px);
}

/* Resources Section */
.resources-section {
  background: linear-gradient(
    135deg,
    rgba(240, 147, 251, 0.1) 0%,
    rgba(245, 87, 108, 0.1) 100%
  );
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.resource-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border-left: 4px solid var(--primary-color);
  display: flex;
  flex-direction: column;
  text-align: center;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-left-color: var(--accent-color);
}

.resource-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.resource-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  display: inline-block;
  margin-top: var(--spacing-lg);
}

.resource-link:hover {
  background: var(--primary-gradient);
  color: var(--white);
  transform: translateY(-2px);
}

/* Blog Section */
.blog-section {
  background: var(--bg-secondary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.blog-card .card-image {
  height: 200px;
}

.blog-date {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-top: var(--spacing-md);
}

/* Projects Section */
.projects-section {
  background: linear-gradient(
    135deg,
    rgba(79, 172, 254, 0.1) 0%,
    rgba(0, 242, 254, 0.1) 100%
  );
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  text-align: center;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-features {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.feature {
  background: var(--primary-gradient);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Press Section */
.press-section {
  background: var(--bg-secondary);
}

.press-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.press-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

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

.press-logo {
  flex-shrink: 0;
}

.press-logo img {
  max-width: 120px;
  height: auto;
}

.press-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.press-date {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* FAQ Section */
.faq-section {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-lg);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-xl);
  background: transparent;
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
}

.faq-question:hover {
  color: var(--primary-color);
}

.faq-icon {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 var(--spacing-xl) var(--spacing-xl);
}

/* Contact Section */
.contact-section {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.contact-details {
  margin-top: var(--spacing-xl);
}

.contact-item {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.contact-item strong {
  color: var(--primary-color);
}

/* Form Styles */
.contact-form-container {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  transition: all var(--transition-normal);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Footer */
.footer {
  background: var(--dark-gradient);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.footer-section a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.social-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.social-links a {
  color: var(--white);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
}

.success-content {
  text-align: center;
  max-width: 600px;
  padding: var(--spacing-3xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-xl) auto;
  font-size: var(--font-size-3xl);
  color: var(--white);
}

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

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.page-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-sm);
}
.mt-2 {
  margin-top: var(--spacing-md);
}
.mt-3 {
  margin-top: var(--spacing-lg);
}
.mt-4 {
  margin-top: var(--spacing-xl);
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-md);
}
.mb-3 {
  margin-bottom: var(--spacing-lg);
}
.mb-4 {
  margin-bottom: var(--spacing-xl);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .press-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
  }

  .nav-menu.active {
    top: 100%;
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-background {
    background-attachment: scroll;
  }

  .methodology-grid,
  .testimonials-grid,
  .case-studies-grid,
  .resources-grid,
  .blog-grid,
  .projects-grid,
  .press-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  .contact-form-container {
    padding: var(--spacing-lg);
  }

  .page-content {
    padding: var(--spacing-xl) var(--spacing-sm);
  }
}

/* Performance Optimizations */
.card-image img,
.hero-background {
  will-change: transform;
}

.btn,
.nav-link,
.faq-question {
  will-change: transform, color;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print Styles */
@media print {
  .header-main,
  .footer,
  .btn,
  .nav-toggle {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .hero-section {
    min-height: auto;
    page-break-after: always;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.6);
  }

  .btn {
    border-width: 3px;
  }

  .nav-link::after {
    height: 3px;
  }
}