/* =================== ROOT VARIABLES =================== */
:root {
  /* Primary Colors - Pastel Palette */
  --primary-color: #7C3AED;
  --primary-light: #A78BFA;
  --primary-dark: #5B21B6;
  --secondary-color: #EC4899;
  --secondary-light: #F472B6;
  --secondary-dark: #BE185D;
  
  /* Accent Colors */
  --accent-color: #10B981;
  --accent-light: #34D399;
  --accent-dark: #047857;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Neumorphism Colors */
  --neuro-bg: #E6E6FA;
  --neuro-light: #F0F0FF;
  --neuro-dark: #D1D1E9;
  --neuro-shadow-light: rgba(255, 255, 255, 0.7);
  --neuro-shadow-dark: rgba(163, 177, 198, 0.4);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--primary-light));
  --gradient-hero: linear-gradient(135deg, rgba(124, 58, 237, 0.8), rgba(236, 72, 153, 0.8));
  --gradient-card: linear-gradient(145deg, var(--neuro-light), var(--neuro-bg));
  
  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Rubik', sans-serif;
  
  /* 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;
  
  /* 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-neuro: 20px 20px 60px var(--neuro-shadow-dark), -20px -20px 60px var(--neuro-shadow-light);
  --shadow-neuro-inset: inset 20px 20px 60px var(--neuro-shadow-dark), inset -20px -20px 60px var(--neuro-shadow-light);
  
  /* Borders */
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --border-radius-full: 9999px;
  
  /* Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* =================== 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(--gray-800);
  background-color: var(--neuro-bg);
  overflow-x: hidden;
}

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
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: var(--transition-base);
}

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

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-bounce);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-width: 140px;
}

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

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

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

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

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

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

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

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
  min-width: 160px;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  min-width: 100px;
}

/* =================== NEUMORPHIC ELEMENTS =================== */
.neumorphic-card {
  background: var(--gradient-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-neuro);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-elastic);
  overflow: hidden;
}

.neumorphic-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.neumorphic-btn {
  background: var(--gradient-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-neuro);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.neumorphic-btn:hover {
  box-shadow: var(--shadow-neuro-inset);
}

.neumorphic-input {
  background: var(--neuro-bg);
  border: 1px solid var(--neuro-dark);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-neuro-inset);
  padding: var(--spacing-md);
  font-family: var(--font-body);
  transition: var(--transition-base);
}

.neumorphic-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-neuro-inset), 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.neumorphic-header {
  background: rgba(230, 230, 250, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

.neumorphic-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-neuro);
}

/* =================== HEADER =================== */
.navbar {
  padding: var(--spacing-md) 0;
  transition: var(--transition-base);
}

.navbar-brand h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0;
}

.navbar-nav .nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: 0 var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: var(--transition-bounce);
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

.navbar-toggler {
  border: none;
  padding: var(--spacing-sm);
}

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

/* =================== HERO SECTION =================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--white) !important;
  opacity: 0.9;
  margin-bottom: var(--spacing-2xl);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* =================== SECTION STYLES =================== */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.bg-light {
  background: var(--neuro-light);
}

/* =================== CARDS =================== */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  background: transparent;
  height: 100%;
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.card-content {
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--gray-600);
  line-height: 1.6;
}

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

/* =================== TIMELINE =================== */
.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  width: calc(50% - 40px);
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
}

.timeline-item:nth-child(even) {
  margin-left: calc(50% + 40px);
}

.timeline-date {
  position: absolute;
  top: 50%;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-full);
  transform: translateY(-50%);
  box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(odd) .timeline-date {
  right: -80px;
}

.timeline-item:nth-child(even) .timeline-date {
  left: -80px;
}

.timeline-content h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

/* =================== FOOTER =================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

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

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

.footer a {
  color: var(--gray-300);
  transition: var(--transition-base);
}

.footer a:hover {
  color: var(--primary-light);
}

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

.social-links a {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-bounce);
}

.social-links a:hover {
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

/* =================== ACCOLADES =================== */
.accolade-icon {
  font-size: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 80px;
}

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

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

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-20px);
  }
  70% {
    transform: translateY(-10px);
  }
  90% {
    transform: translateY(-4px);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-elastic);
}

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

.parallax-bg {
  transform: translateZ(0);
  will-change: transform;
}

/* =================== UTILITY CLASSES =================== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient {
  background: var(--gradient-primary);
}

.shadow-neuro {
  box-shadow: var(--shadow-neuro);
}

.border-radius-lg {
  border-radius: var(--border-radius-lg);
}

.h-100 {
  height: 100%;
}

.min-vh-100 {
  min-height: 100vh;
}

.overflow-hidden {
  overflow: hidden;
}

.position-relative {
  position: relative;
}

.position-absolute {
  position: absolute;
}

.z-index-1 {
  z-index: 1;
}

.z-index-2 {
  z-index: 2;
}

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

.success-content {
  text-align: center;
  background: var(--white);
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
}

.success-icon {
  font-size: 4rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-lg);
}

/* =================== PRIVACY & TERMS PAGES =================== */
.content-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
}

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

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

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

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

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

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

/* =================== RESPONSIVE DESIGN =================== */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .timeline-container::before {
    left: 30px;
  }
  
  .timeline-item {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }
  
  .timeline-date {
    left: -80px !important;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .timeline-item {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .timeline-date {
    left: -60px !important;
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .navbar-nav {
    text-align: center;
    padding-top: var(--spacing-md);
  }
  
  .navbar-nav .nav-link {
    margin: var(--spacing-xs) 0;
  }
  
  .social-links {
    justify-content: center;
  }
  
  section {
    padding: var(--spacing-xl) 0;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
  }
  
  .card-image {
    height: 180px;
  }
  
  .timeline-item {
    padding: var(--spacing-md);
  }
  
  .accolade-icon {
    font-size: 2.5rem;
    height: 60px;
  }
}

/* =================== PERFORMANCE OPTIMIZATIONS =================== */
.parallax-bg,
.animate-on-scroll {
  will-change: transform;
}

.neumorphic-card:hover,
.btn:hover {
  will-change: transform, box-shadow;
}

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

/* =================== ACCESSIBILITY =================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .parallax-bg {
    transform: none !important;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #5B21B6;
    --gray-700: #000000;
    --gray-800: #000000;
    --gray-900: #000000;
  }
  
  .hero-title,
  .hero-subtitle {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  }
}

/* =================== PRINT STYLES =================== */
@media print {
  .navbar,
  .footer,
  .hero-buttons,
  .btn {
    display: none !important;
  }
  
  .hero-section {
    min-height: auto;
    padding: var(--spacing-xl) 0;
  }
  
  .hero-background,
  .hero-overlay {
    display: none;
  }
  
  .hero-title,
  .hero-subtitle {
    color: var(--gray-900) !important;
  }
  
  section {
    padding: var(--spacing-md) 0;
  }
  
  .neumorphic-card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
}