/* ============================================
   CSS Variables & Theme Configuration
   ============================================ */
:root {
  /* Primary Colors - Gradient Scheme */
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-secondary: #ec4899;
  --color-secondary-light: #f472b6;
  --color-secondary-dark: #db2777;
  --color-accent: #14b8a6;
  --color-accent-light: #2dd4bf;
  --color-accent-dark: #0d9488;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-dark: linear-gradient(135deg, #1e1e2e 0%, #2d2d44 100%);
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-size-base: 16px;
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-md: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
  --shadow-3d: 0 20px 60px rgba(102, 126, 234, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* 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 Styles & Reset
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-4xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
  color: var(--color-gray-700);
}

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

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

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-2xl) 0;
  }
}

/* ============================================
   Button Styles (Global)
   ============================================ */
.btn,
button[type="submit"],
input[type="submit"] {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  z-index: -1;
  transition: transform var(--transition-base);
  transform: scaleX(0);
  transform-origin: right;
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

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

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

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

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

.btn-submit {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

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

.main-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo a {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.logo a:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu li a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

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

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

/* Burger Menu */
.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.burger-menu span {
  width: 25px;
  height: 3px;
  background: var(--color-gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    transition: right var(--transition-base);
    border-radius: var(--border-radius-lg) 0 0 var(--border-radius-lg);
  }
  
  .nav-menu.active {
    right: 0;
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: var(--font-size-4xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  -webkit-text-fill-color: var(--color-white);
  background: none;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

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

.section-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

/* ============================================
   Card Styles
   ============================================ */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: var(--shadow-3d);
}

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

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

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

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

.card-content h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-900);
}

.card-content p {
  color: var(--color-gray-600);
  flex-grow: 1;
}

/* ============================================
   Mission Section
   ============================================ */
.mission-section {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.mission-section .section-title,
.mission-section h2,
.mission-section h3 {
  color: var(--color-white);
  -webkit-text-fill-color: var(--color-white);
}

.mission-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.mission-text p {
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-lg);
}

.mission-image {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.mission-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-xl);
}

.mission-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .mission-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Info Cards
   ============================================ */
.info-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.info-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-3d);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.animated-icon {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

.info-card p {
  color: var(--color-gray-300);
}

/* ============================================
   Case Studies Section
   ============================================ */
.case-studies-section {
  background: var(--color-gray-50);
}

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

.case-study-card .card-content {
  text-align: left;
}

.case-study-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.case-study-link:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Resources Section
   ============================================ */
.resources-section {
  background: var(--gradient-accent);
  color: var(--color-white);
}

.resources-section .section-title {
  color: var(--color-white);
  -webkit-text-fill-color: var(--color-white);
}

.resources-section .section-description {
  color: var(--color-gray-100);
}

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

.resource-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.resource-card h3 {
  color: var(--color-white);
}

.resource-card p {
  color: var(--color-gray-100);
}

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-white);
  font-weight: 600;
  border-bottom: 2px solid var(--color-white);
  transition: all var(--transition-fast);
}

.resource-link:hover {
  transform: translateX(5px);
  color: var(--color-white);
}

/* ============================================
   Team Section
   ============================================ */
.team-section {
  background: var(--color-white);
}

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

.team-card .card-image {
  height: 350px;
}

.team-card .card-image img {
  border-radius: 0;
}

.team-role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   Instructors Section
   ============================================ */
.instructors-section {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.instructors-section .section-title {
  color: var(--color-white);
  -webkit-text-fill-color: var(--color-white);
}

.instructors-section .section-description {
  color: var(--color-gray-300);
}

.instructors-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.accordion-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-header img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary);
}

.accordion-title {
  flex: 1;
}

.accordion-title h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.accordion-title p {
  color: var(--color-gray-400);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

.accordion-icon {
  font-size: 2rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-content p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray-300);
  line-height: 1.8;
}

/* ============================================
   Insights Section
   ============================================ */
.insights-section {
  background: var(--color-gray-50);
}

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

.insight-card .card-content {
  text-align: left;
}

.insight-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.insight-category {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.insight-date {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
}

@media (max-width: 768px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.contact-section .section-title {
  color: var(--color-white);
  -webkit-text-fill-color: var(--color-white);
}

.contact-section .section-description {
  color: var(--color-gray-100);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-card h3 {
  color: var(--color-white);
}

.contact-card p {
  color: var(--color-gray-100);
  margin-bottom: 0;
}

.contact-form-wrapper {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 600;
  color: var(--color-gray-800);
  font-size: var(--font-size-md);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

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

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

.footer-column h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-column p {
  color: var(--color-gray-300);
  line-height: 1.8;
}

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

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

.footer-column ul li a {
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-column ul li a:hover {
  color: var(--color-white);
  transform: translateX(5px);
}

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

.social-links li a {
  position: relative;
  padding-left: 30px;
  font-weight: 500;
}

.social-links li a::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.social-links li a:hover::before {
  transform: translateX(5px);
}

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

.footer-bottom p {
  color: var(--color-gray-400);
  margin-bottom: 0;
}

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

.success-content {
  max-width: 600px;
  background: rgba(255, 255, 255, 0.95);
  padding: var(--spacing-3xl) var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
}

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

.success-content p {
  color: var(--color-gray-700);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

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

.content-section {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

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

.content-section h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.content-section h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.content-section p,
.content-section ul,
.content-section ol {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.content-section ul,
.content-section ol {
  padding-left: var(--spacing-xl);
}

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  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(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* ============================================
   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-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); }

.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); }

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

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --spacing-3xl: 4rem;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-2xl: 3rem;
    --spacing-3xl: 3rem;
  }
  
  section {
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .main-header,
  .main-footer,
  .hero-buttons,
  .contact-section {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  a {
    text-decoration: underline;
  }
}

/* ============================================
   Accessibility
   ============================================ */
:focus-visible {
  outline: 3px solid var(--color-primary);
  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-width: 0;
}

/* ============================================
   Performance Optimizations
   ============================================ */
.card,
.btn,
.nav-menu li a,
.accordion-item {
  will-change: transform;
}

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

/* ============================================
   Dark Mode Support
   ============================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --color-gray-50: #1f2937;
    --color-gray-100: #374151;
  }
}