/* ==========================================================================
   Base Variables & Reset
   ========================================================================== */
:root {
  /* Primary Colors */
  --primary-color: #FF5A5F;
  --primary-dark: #E04347;
  --primary-light: #FF7E82;
  
  /* Secondary Colors */
  --secondary-color: #00BFA5;
  --secondary-dark: #00A08C;
  --secondary-light: #33D0BD;
  
  /* Accent Colors */
  --accent-color: #FF9F00;
  --accent-dark: #E68F00;
  --accent-light: #FFBD4D;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --black: #121212;
  --gray-100: #f8f8f8;
  --gray-200: #e9e9e9;
  --gray-300: #d9d9d9;
  --gray-400: #b5b5b5;
  --gray-500: #919191;
  --gray-600: #676767;
  --gray-700: #434343;
  --gray-800: #2a2a2a;
  --gray-900: #1a1a1a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
  --gradient-dark: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
  --gradient-light: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
  
  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Nunito', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;
  
  /* 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, 0.14);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.16);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-very-slow: 1s ease;
  
  /* Z-index */
  --z-negative: -1;
  --z-normal: 1;
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-700);
}

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

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

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.px-1 { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-5 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

/* Flex & Grid Utilities */
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.d-grid { display: grid; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

/* ==========================================================================
   Buttons & Form Elements
   ========================================================================== */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: var(--radius-round);
  transform: translate(-50%, -50%) scale(1);
  transition: all 0.5s ease-out;
}

.btn:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(60);
}

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

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
}

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

.btn-accent {
  background: var(--gradient-accent);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

input, 
textarea, 
select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--gray-800);
  background-color: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

input:focus, 
textarea:focus, 
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(255, 90, 95, 0.2);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--gray-700);
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  max-height: 60px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
}

.main-nav a {
  position: relative;
  font-family: var(--font-heading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-800);
  padding: 0.5rem 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--gray-800);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--white);
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.4s both;
}

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

/* ==========================================================================
   Research Section
   ========================================================================== */
.research {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.research h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.research h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.research-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.research-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transform: skewY(-2deg);
  padding: var(--spacing-lg);
  background-color: var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.research-item:hover {
  transform: skewY(-2deg) translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.research-item:nth-child(even) {
  transform: skewY(2deg);
}

.research-item:nth-child(even):hover {
  transform: skewY(2deg) translateY(-5px);
}

.research-content {
  flex: 1;
}

.image-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.image-container img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.progress-indicator {
  margin-top: var(--spacing-md);
  background-color: var(--gray-300);
  border-radius: var(--radius-round);
  height: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-round);
  position: relative;
}

.progress-bar span {
  position: absolute;
  right: 10px;
  bottom: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-dark);
}

/* ==========================================================================
   Insights Section
   ========================================================================== */
.insights {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-light);
  position: relative;
  overflow: hidden;
}

.insights::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  opacity: 0.1;
  border-radius: 50% 0 50% 50%;
  z-index: 0;
}

.insights::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: var(--gradient-secondary);
  opacity: 0.1;
  border-radius: 50%;
  z-index: 0;
}

.insights h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.insights h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-sm);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

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

.card-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.card-content p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Case Studies Section
   ========================================================================== */
.case-studies {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.case-studies h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.case-studies h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.case-studies-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.case-study {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.case-study:nth-child(even) {
  flex-direction: row-reverse;
}

.case-content {
  flex: 1;
}

.case-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.case-content p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-light);
  position: relative;
  overflow: hidden;
}

.projects::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: var(--gradient-accent);
  opacity: 0.1;
  border-radius: 50%;
  z-index: 0;
}

.projects h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.projects h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Team Section
   ========================================================================== */
.team {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.team h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.team h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--primary-color);
  background-color: rgba(255, 90, 95, 0.1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

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

/* ==========================================================================
   Blog Section
   ========================================================================== */
.blog {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-light);
}

.blog h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.blog h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-sm);
}

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

.blog-post {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.blog-post:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.post-content {
  padding: var(--spacing-lg);
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.post-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.post-content p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
}

.post-meta {
  display: flex;
  justify-content: space-between;
  color: var(--gray-500);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Media Section
   ========================================================================== */
.media {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.media h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.media h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.media-item {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.media-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.media-content h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.media-content p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.media-content .date {
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--gradient-light);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 400px;
  height: 400px;
  background: var(--gradient-primary);
  opacity: 0.1;
  border-radius: 50%;
  z-index: 0;
}

.contact h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.contact h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.contact-info {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-info h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

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

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.contact-item i {
  margin-right: var(--spacing-md);
  color: var(--primary-color);
  font-size: 1.25rem;
}

.contact-form {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   External Resources Section
   ========================================================================== */
.external-resources {
  padding: var(--spacing-xl) 0;
  background-color: var(--gray-100);
}

.external-resources h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.external-resources h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-sm);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.resource-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal);
}

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

.resource-card h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.resource-card p {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
}

.resource-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--white);
  background: var(--gradient-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.resource-link:hover {
  background: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo img {
  max-height: 50px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.footer-logo p {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer-links h3,
.footer-legal h3,
.footer-social h3,
.footer-newsletter h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-links ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a,
.footer-legal a {
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--primary-color);
}

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

.footer-social .social-link {
  color: var(--gray-400);
  background-color: rgba(255, 255, 255, 0.1);
}

.footer-social .social-link:hover {
  color: var(--white);
  background-color: var(--primary-color);
}

.footer-newsletter form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-newsletter input {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--gray-700);
  color: var(--white);
}

.footer-newsletter input::placeholder {
  color: var(--gray-500);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* ==========================================================================
   Success Page
   ========================================================================== */
.success-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--gradient-light);
  text-align: center;
  padding: var(--spacing-lg);
}

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

.success-content h1 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Privacy & Terms Pages
   ========================================================================== */
.page-content {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

.page-content .container {
  max-width: 800px;
}

.page-content h1 {
  margin-bottom: var(--spacing-lg);
  color: var(--gray-900);
}

.page-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--gray-800);
}

.page-content p {
  margin-bottom: var(--spacing-md);
}

.page-content ul {
  list-style: disc;
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.page-content ul li {
  margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .research-item,
  .case-study,
  .case-study:nth-child(even) {
    flex-direction: column;
    align-items: stretch;
  }
  
  .research-item:nth-child(even) {
    flex-direction: column;
  }
  
  .image-container {
    width: 100%;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.25rem; }
  
  .main-header .container {
    height: 70px;
  }
  
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
  }
  
  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .card-image,
  .blog-post .image-container {
    height: 200px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero p {
    font-size: 1.25rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .research-item,
  .case-study {
    padding: var(--spacing-md);
  }
  
  .card-image,
  .blog-post .image-container {
    height: 180px;
  }
  
  .card-content,
  .post-content,
  .media-content {
    padding: var(--spacing-md);
  }
}

/* Additional Animation Classes */
.animated {
  animation-duration: 1s;
  animation-fill-mode: both;
}

.fadeIn { animation-name: fadeIn; }
.fadeInUp { animation-name: fadeInUp; }
.fadeInDown { animation-name: fadeInDown; }
.fadeInLeft { animation-name: fadeInLeft; }
.fadeInRight { animation-name: fadeInRight; }

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Script-triggered Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* Progress Indicators for Animations */
.progress-indicator.animated .progress-bar {
  width: 0;
  transition: width 1.5s ease-in-out;
}

.progress-indicator.animated.active .progress-bar {
  width: var(--progress-width);
}