/* En Coursera - Main Stylesheet */
/* Academic Editorial EdTech Design */

:root {
  /* Academic Color Palette */
  --encrs-primary-navy: #1a2b4a;
  --encrs-secondary-slate: #4a5f7f;
  --encrs-accent-amber: #d4a574;
  --encrs-accent-sage: #7a9b8e;
  --encrs-neutral-ivory: #f8f6f2;
  --encrs-neutral-parchment: #ede8dc;
  --encrs-text-charcoal: #2d3436;
  --encrs-text-gray: #636e72;
  --encrs-border-subtle: #dfe6e9;
  --encrs-white-pure: #ffffff;
  
  /* Academic Gradients */
  --encrs-gradient-editorial: linear-gradient(135deg, #1a2b4a 0%, #2d4a6f 100%);
  --encrs-gradient-warm: linear-gradient(135deg, #d4a574 0%, #c29563 100%);
  --encrs-gradient-overlay: linear-gradient(180deg, rgba(26, 43, 74, 0.9) 0%, rgba(45, 74, 111, 0.85) 100%);
  
  /* Typography Scale */
  --encrs-font-display: 'Crimson Pro', 'Playfair Display', serif;
  --encrs-font-body: 'Source Sans Pro', 'Lato', sans-serif;
  --encrs-font-accent: 'Merriweather', Georgia, serif;
  
  /* Spacing System */
  --encrs-space-xs: 0.5rem;
  --encrs-space-sm: 1rem;
  --encrs-space-md: 1.5rem;
  --encrs-space-lg: 2.5rem;
  --encrs-space-xl: 4rem;
  --encrs-space-xxl: 6rem;
  
  /* Border Radius */
  --encrs-radius-sm: 4px;
  --encrs-radius-md: 8px;
  --encrs-radius-lg: 16px;
  
  /* Shadows */
  --encrs-shadow-subtle: 0 2px 8px rgba(26, 43, 74, 0.08);
  --encrs-shadow-medium: 0 4px 16px rgba(26, 43, 74, 0.12);
  --encrs-shadow-elevated: 0 8px 32px rgba(26, 43, 74, 0.16);
}

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

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

body {
  font-family: var(--encrs-font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--encrs-text-charcoal);
  background-color: var(--encrs-neutral-ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--encrs-font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--encrs-primary-navy);
  margin-top: var(--encrs-space-md);
  margin-bottom: var(--encrs-space-md);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.75rem;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--encrs-space-md);
}

a {
  color: var(--encrs-secondary-slate);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--encrs-accent-amber);
}

/* Navigation */
.encrs-navigation-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--encrs-white-pure);
  border-bottom: 1px solid var(--encrs-border-subtle);
  z-index: 1000;
  box-shadow: var(--encrs-shadow-subtle);
}

.encrs-navigation-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--encrs-space-md) var(--encrs-space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.encrs-brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--encrs-space-sm);
}

.encrs-brand-mark {
  width: 42px;
  height: 42px;
  background: var(--encrs-gradient-editorial);
  border-radius: var(--encrs-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--encrs-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--encrs-white-pure);
}

.encrs-brand-text {
  font-family: var(--encrs-font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--encrs-primary-navy);
}

.encrs-navigation-links {
  display: flex;
  gap: var(--encrs-space-lg);
  list-style: none;
}

.encrs-nav-item a {
  font-family: var(--encrs-font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--encrs-text-charcoal);
  padding: var(--encrs-space-xs) var(--encrs-space-sm);
  border-radius: var(--encrs-radius-sm);
  transition: all 0.3s ease;
}

.encrs-nav-item a:hover {
  background: var(--encrs-neutral-parchment);
  color: var(--encrs-primary-navy);
}

/* Hero Section */
.encrs-editorial-hero {
  margin-top: 82px;
  position: relative;
  min-height: 640px;
  background: var(--encrs-gradient-editorial);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.encrs-hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
  background-image: 
    repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.1) 35px, rgba(255,255,255,.1) 70px);
}

.encrs-hero-content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--encrs-space-xxl) var(--encrs-space-lg);
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--encrs-space-xl);
  align-items: center;
}

.encrs-hero-text-block h1 {
  color: var(--encrs-white-pure);
  font-size: 4rem;
  margin-bottom: var(--encrs-space-md);
  animation: encrs-fade-up 0.8s ease-out;
}

.encrs-hero-subtitle {
  font-size: 1.375rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: var(--encrs-space-lg);
  font-family: var(--encrs-font-accent);
  animation: encrs-fade-up 0.8s ease-out 0.2s both;
}

.encrs-hero-visual-element {
  position: relative;
  height: 420px;
  animation: encrs-fade-up 0.8s ease-out 0.4s both;
  /* width: 50%;
  object-fit: cover; */
}

html{
  overflow-x: hidden;
}

.encrs-abstract-learning-graphic {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--encrs-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.encrs-learning-visual-layers {
  position: absolute;
  inset: 0;
}

.encrs-visual-layer {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  animation: encrs-pulse-rotate 20s linear infinite;
}

.encrs-visual-layer:nth-child(1) {
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.encrs-visual-layer:nth-child(2) {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

.encrs-visual-layer:nth-child(3) {
  width: 100px;
  height: 100px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

/* Button Styles */
.encrs-button-primary {
  display: inline-block;
  padding: var(--encrs-space-md) var(--encrs-space-lg);
  background: var(--encrs-accent-amber);
  color: var(--encrs-primary-navy);
  font-family: var(--encrs-font-body);
  font-size: 1.125rem;
  font-weight: 600;
  border: none;
  border-radius: var(--encrs-radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--encrs-shadow-medium);
  text-decoration: none;
}

.encrs-button-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--encrs-shadow-elevated);
  background: #c29563;
  color: var(--encrs-primary-navy);
}

.encrs-button-secondary {
  display: inline-block;
  padding: var(--encrs-space-md) var(--encrs-space-lg);
  background: transparent;
  color: var(--encrs-white-pure);
  font-family: var(--encrs-font-body);
  font-size: 1.125rem;
  font-weight: 600;
  border: 2px solid var(--encrs-white-pure);
  border-radius: var(--encrs-radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.encrs-button-secondary:hover {
  background: var(--encrs-white-pure);
  color: var(--encrs-primary-navy);
}

.encrs-button-group {
  display: flex;
  gap: var(--encrs-space-md);
  margin-top: var(--encrs-space-lg);
}

/* Section Layouts */
.encrs-main-content-area {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--encrs-space-xl) var(--encrs-space-lg);
}

.encrs-section-standard {
  padding: var(--encrs-space-xxl) 0;
}

.encrs-section-with-background {
  background: var(--encrs-white-pure);
  padding: var(--encrs-space-xxl) 0;
}

.encrs-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--encrs-space-xl);
}

.encrs-section-label {
  font-family: var(--encrs-font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--encrs-accent-amber);
  margin-bottom: var(--encrs-space-sm);
}

.encrs-section-headline {
  font-size: 2.75rem;
  margin-bottom: var(--encrs-space-md);
}

.encrs-section-description {
  font-size: 1.25rem;
  color: var(--encrs-text-gray);
  line-height: 1.7;
}

/* Grid Layouts */
.encrs-dual-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--encrs-space-xl);
  align-items: center;
}

.encrs-triple-column-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--encrs-space-lg);
}

/* Card Components */
.encrs-academic-card {
  background: var(--encrs-white-pure);
  border-radius: var(--encrs-radius-lg);
  padding: var(--encrs-space-lg);
  box-shadow: var(--encrs-shadow-subtle);
  transition: all 0.3s ease;
  border: 1px solid var(--encrs-border-subtle);
}

.encrs-academic-card:hover {
  box-shadow: var(--encrs-shadow-elevated);
  transform: translateY(-4px);
}

.encrs-card-image-wrapper {
  width: 100%;
  height: 240px;
  border-radius: var(--encrs-radius-md);
  overflow: hidden;
  margin-bottom: var(--encrs-space-md);
}

.encrs-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.encrs-card-header {
  font-size: 1.5rem;
  margin-bottom: var(--encrs-space-sm);
}

.encrs-card-description {
  color: var(--encrs-text-gray);
  margin-bottom: var(--encrs-space-md);
}

.encrs-card-metadata {
  display: flex;
  gap: var(--encrs-space-md);
  font-size: 0.9375rem;
  color: var(--encrs-text-gray);
  margin-bottom: var(--encrs-space-md);
}

.encrs-metadata-item {
  display: flex;
  align-items: center;
  gap: var(--encrs-space-xs);
}

/* Feature Boxes */
.encrs-methodology-feature {
  background: var(--encrs-neutral-parchment);
  border-radius: var(--encrs-radius-lg);
  padding: var(--encrs-space-lg);
  border-left: 4px solid var(--encrs-accent-amber);
}

.encrs-feature-icon-wrapper {
  width: 56px;
  height: 56px;
  background: var(--encrs-gradient-editorial);
  border-radius: var(--encrs-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--encrs-space-md);
}

.encrs-feature-icon {
  font-size: 1.75rem;
  color: var(--encrs-white-pure);
}

.encrs-feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--encrs-space-sm);
}

.encrs-feature-text {
  color: var(--encrs-text-gray);
  line-height: 1.6;
}

/* Testimonial Slider */
.encrs-testimonial-stage {
  position: relative;
  padding: var(--encrs-space-xl) 0;
  overflow: hidden;
}

.encrs-testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}

.encrs-testimonial-slide {
  min-width: 100%;
  padding: var(--encrs-space-lg);
}

.encrs-testimonial-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.encrs-testimonial-quote {
  font-family: var(--encrs-font-accent);
  font-size: 1.5rem;
  color: var(--encrs-text-charcoal);
  line-height: 1.7;
  margin-bottom: var(--encrs-space-lg);
  font-style: italic;
}

.encrs-testimonial-author {
  font-weight: 600;
  color: var(--encrs-primary-navy);
  margin-bottom: var(--encrs-space-xs);
}

.encrs-testimonial-role {
  color: var(--encrs-text-gray);
  font-size: 0.9375rem;
}

.encrs-slider-controls {
  display: flex;
  justify-content: center;
  gap: var(--encrs-space-sm);
  margin-top: var(--encrs-space-lg);
}

.encrs-slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--encrs-border-subtle);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.encrs-slider-dot.active {
  background: var(--encrs-accent-amber);
  width: 32px;
  border-radius: 6px;
}

/* Paid Offer Section */
.encrs-bundle-showcase {
  background: var(--encrs-gradient-editorial);
  border-radius: var(--encrs-radius-lg);
  padding: var(--encrs-space-xl);
  color: var(--encrs-white-pure);
  position: relative;
  overflow: hidden;
}

.encrs-bundle-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  opacity: 0.05;
  background-image: url('../images/showcase.jpg');
  background-size: cover;
}

.encrs-bundle-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.encrs-bundle-header {
  font-size: 2.5rem;
  color: var(--encrs-white-pure);
  margin-bottom: var(--encrs-space-md);
}

.encrs-bundle-description {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--encrs-space-lg);
  color: rgba(255, 255, 255, 0.9);
}

.encrs-bundle-features {
  list-style: none;
  margin-bottom: var(--encrs-space-lg);
}

.encrs-bundle-features li {
  padding: var(--encrs-space-sm) 0;
  padding-left: var(--encrs-space-lg);
  position: relative;
}

.encrs-bundle-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--encrs-accent-amber);
  font-weight: bold;
  font-size: 1.25rem;
}

.encrs-price-display {
  display: flex;
  align-items: baseline;
  gap: var(--encrs-space-sm);
  margin-bottom: var(--encrs-space-lg);
}

.encrs-price-amount {
  font-family: var(--encrs-font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--encrs-accent-amber);
}

.encrs-price-period {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.encrs-site-footer {
  background: var(--encrs-primary-navy);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--encrs-space-xxl) 0 var(--encrs-space-lg);
}

.encrs-footer-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--encrs-space-lg) var(--encrs-space-xl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--encrs-space-xl);
}

.encrs-footer-brand h3 {
  color: var(--encrs-white-pure);
  font-size: 1.5rem;
  margin-bottom: var(--encrs-space-md);
}

.encrs-footer-description {
  line-height: 1.7;
  margin-bottom: var(--encrs-space-md);
}

.encrs-footer-column h4 {
  color: var(--encrs-white-pure);
  font-size: 1.125rem;
  margin-bottom: var(--encrs-space-md);
  font-family: var(--encrs-font-body);
}

.encrs-footer-links {
  list-style: none;
}

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

.encrs-footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

.encrs-footer-links a:hover {
  color: var(--encrs-accent-amber);
}

.encrs-footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--encrs-space-lg) var(--encrs-space-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9375rem;
}

.encrs-disclaimer-notice {
  background: rgba(212, 165, 116, 0.1);
  border: 1px solid rgba(212, 165, 116, 0.3);
  border-radius: var(--encrs-radius-md);
  padding: var(--encrs-space-md);
  margin: var(--encrs-space-lg) 0;
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Chart Container */
.encrs-chart-container {
  background: var(--encrs-white-pure);
  border-radius: var(--encrs-radius-lg);
  padding: var(--encrs-space-lg);
  box-shadow: var(--encrs-shadow-subtle);
  margin: var(--encrs-space-xl) 0;
}

.encrs-chart-wrapper {
  height: 400px;
  position: relative;
  width: 100%;
    object-fit: contain;
}

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

@keyframes encrs-pulse-rotate {
  0%, 100% {
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) rotate(180deg) scale(1.1);
    opacity: 0.5;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .encrs-hero-content-wrapper,
  .encrs-dual-column-grid {
    grid-template-columns: 1fr;
    gap: var(--encrs-space-lg);
  }
  
  .encrs-triple-column-grid {
    grid-template-columns: 1fr;
  }
  
  .encrs-footer-main {
    grid-template-columns: 1fr 1fr;
  }
  
  h1 {
    font-size: 2.75rem;
  }
  
  .encrs-hero-text-block h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .encrs-navigation-links {
    display: none;
  }
  
  .encrs-footer-main {
    grid-template-columns: 1fr;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  .encrs-hero-text-block h1 {
    font-size: 2.5rem;
  }
  
  .encrs-button-group {
    flex-direction: column;
  }
}


.navbar-brand img{
    max-width: 250px;
    width: 250px;
    object-fit: contain;
}

html{
    overflow-x: hidden;
}


footer .navbar-brand img{
    filter: brightness(0) invert(1);
}

.footer-text{
    margin-top: 20px;
}