/* CSS Variables */
:root {
  /* Primary Colors - Monochromatic Scheme */
  --color-primary: #1a1a1a;
  --color-primary-light: #333333;
  --color-primary-lighter: #4d4d4d;
  --color-primary-dark: #000000;
  
  /* Secondary Colors */
  --color-secondary: #666666;
  --color-secondary-light: #808080;
  --color-secondary-dark: #4d4d4d;
  
  /* Accent Colors */
  --color-accent: #2c2c2c;
  --color-accent-light: #404040;
  --color-accent-dark: #1a1a1a;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-light-gray: #f8f9fa;
  --color-medium-gray: #e9ecef;
  --color-dark-gray: #6c757d;
  --color-text: #222222;
  --color-text-light: #555555;
  --color-text-muted: #777777;
  
  /* Background Colors */
  --color-bg: #ffffff;
  --color-bg-section: #f8f9fa;
  --color-bg-dark: #1a1a1a;
  --color-bg-overlay: rgba(0, 0, 0, 0.6);
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
  --gradient-secondary: linear-gradient(135deg, #666666 0%, #4d4d4d 100%);
  --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  
  /* Typography */
  --font-primary: 'Raleway', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-semi: 600;
  --font-weight-bold: 700;
  
  /* Font Sizes */
  --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;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 5rem;
  --spacing-5xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 50%;
  
  /* 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Container widths */
  --container-sm: 540px;
  --container-md: 720px;
  --container-lg: 960px;
  --container-xl: 1140px;
  --container-2xl: 1320px;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semi);
  line-height: 1.2;
  margin: 0 0 var(--spacing-md) 0;
}

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: 0 0 var(--spacing-md) 0;
  line-height: 1.7;
}

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

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

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

@media (min-width: 1200px) {
  .container {
    max-width: var(--container-2xl);
  }
}

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

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }

.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.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); }

/* Global Button Styles */
.btn,
button,
input[type='submit'],
input[type='button'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  background: none;
  min-width: 140px;
  height: 48px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
  z-index: 1;
}

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

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

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  min-width: 180px;
  height: 56px;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-width: 100px;
  height: 40px;
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-lg);
}

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

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-medium-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
  background-color: var(--color-white);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

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

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* Section Styles */
section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

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

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

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.brand-logo:hover {
  color: var(--color-primary-light);
  text-decoration: none;
}

.nav-menu {
  display: flex;
}

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

.nav-link {
  color: var(--color-text);
  font-weight: var(--font-weight-semi);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: var(--transition-normal);
}

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

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

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

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

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
  color: var(--color-white);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 2;
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--color-white) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* About Section */
.about {
  background-color: var(--color-bg-section);
}

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

.about-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

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

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

.mission-card:hover {
  transform: translateY(-10px) rotate(2deg);
  box-shadow: var(--shadow-2xl);
}

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

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

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

.mission-card .card-content {
  padding: var(--spacing-xl);
}

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

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

.methodology-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.methodology-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  display: flex;
  justify-content: center;
}

.timeline-item:nth-child(odd) .timeline-content {
  transform: translateX(-50px) skew(-2deg);
}

.timeline-item:nth-child(even) .timeline-content {
  transform: translateX(50px) skew(2deg);
}

.timeline-content {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  position: relative;
  transition: var(--transition-normal);
}

.timeline-content::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  top: 30px;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -60px;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -60px;
}

.timeline-content:hover {
  transform: translateX(0) skew(0deg) !important;
  box-shadow: var(--shadow-2xl);
}

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

/* Statistics Section */
.statistics {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  color: var(--color-white);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
}

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

.stat-number {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  display: block;
  margin-bottom: var(--spacing-md);
}

.stat-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semi);
}

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

/* Card Styles - Global for all cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card:hover {
  transform: translateY(-10px) rotate(1deg);
  box-shadow: var(--shadow-2xl);
}

.card .card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
  margin: 0 auto;
}

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

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

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

.team-role {
  color: var(--color-secondary);
  font-weight: var(--font-weight-semi);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Portfolio Section */
.portfolio {
  background-color: var(--color-bg-section);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semi);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.portfolio-item {
  transition: var(--transition-normal);
}

.portfolio-item.hide {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

/* Partners Section */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  align-items: center;
}

.partner-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.partner-item img {
  max-width: 100%;
  height: 80px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: var(--transition-normal);
}

.partner-item:hover img {
  filter: grayscale(0%);
}

/* Resources Section */
.resources {
  background-color: var(--color-bg-section);
}

.resources-intro {
  text-align: center;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.resource-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  border-left: 4px solid var(--color-primary);
}

.resource-card:hover {
  transform: translateY(-5px) skew(-1deg);
  box-shadow: var(--shadow-2xl);
}

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

.resource-card h3 a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-xl);
}

.resource-card h3 a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.resource-card p {
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.contact-info {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  transform: skew(-2deg);
  transition: var(--transition-normal);
}

.contact-info:hover {
  transform: skew(0deg);
}

.contact-info h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2xl);
}

.contact-item {
  margin-bottom: var(--spacing-xl);
}

.contact-item strong {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.contact-item p {
  margin: 0;
  opacity: 0.9;
}

.contact-form-wrapper {
  background: var(--color-white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-white);
  padding: var(--spacing-4xl) 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(--color-white);
  margin-bottom: var(--spacing-lg);
}

.footer-section p {
  opacity: 0.8;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-normal);
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: none;
  padding-left: var(--spacing-xs);
}

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

.social-links a {
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
}

.social-links a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  opacity: 0.6;
  font-size: var(--font-size-sm);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background-color: var(--color-white);
  margin: 15% auto;
  padding: 0;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideIn var(--transition-slow);
}

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

.modal-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-medium-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
  color: var(--color-primary);
}

.close {
  color: var(--color-dark-gray);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: var(--transition-normal);
}

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

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--color-medium-gray);
  text-align: center;
}

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

.success-content {
  background: var(--color-white);
  padding: var(--spacing-4xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  text-align: center;
  max-width: 600px;
  width: 100%;
}

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

/* Privacy and Terms Pages */
.content-page {
  padding-top: 100px;
  min-height: 100vh;
}

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

.content-page h1 {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.content-page h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

.content-page h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-light);
}

.content-page p,
.content-page li {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.content-page ul,
.content-page ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

/* Read More Links */
.read-more {
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
  text-decoration: none;
  position: relative;
  transition: var(--transition-normal);
}

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

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

.read-more:hover::after {
  transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    transform: none;
  }
  
  .timeline-item:nth-child(odd) .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    left: -60px;
  }
  
  .methodology-timeline::before {
    left: 30px;
  }
  
  .contact-info {
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-medium-gray);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 200px;
  }
  
  section {
    padding: var(--spacing-3xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .team-grid,
  .mission-grid,
  .portfolio-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .filter-btn {
    white-space: nowrap;
    min-width: auto;
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: var(--font-size-5xl);
  }
  
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .modal-content {
    width: 95%;
    margin: 10% auto;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-out;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-light-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus,
.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .nav-toggle,
  .btn {
    display: none !important;
  }
  
  body {
    color: #000;
    background: #fff;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  section {
    page-break-inside: avoid;
    padding: 1rem 0;
  }
}

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

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