/* ==========================================================================
   RESET & BASE
   ========================================================================== */
:root {
  /* Palette - Pastel Neuromorphic Theme */
  --primary-color: #a6d1e6;
  --primary-light: #c7e2f0;
  --primary-dark: #7ab5d1;
  
  --secondary-color: #ffd5cd;
  --secondary-light: #ffe5e0;
  --secondary-dark: #f8b5aa;
  
  --accent-color: #d1b3e5;
  --accent-light: #e2ceef;
  --accent-dark: #b392cc;
  
  --neutral-light: #f9f9f9;
  --neutral-medium: #e0e0e0;
  --neutral-dark: #5a5a5a;
  
  --text-primary: #2c3e50;
  --text-secondary: #546e7a;
  --text-light: #ffffff;
  --text-dark: #1a1a1a;
  
  /* Shadows & Effects */
  --box-shadow-soft: 8px 8px 16px rgba(174, 174, 192, 0.4), -8px -8px 16px rgba(255, 255, 255, 0.7);
  --box-shadow-pressed: inset 4px 4px 8px rgba(174, 174, 192, 0.4), inset -4px -4px 8px rgba(255, 255, 255, 0.7);
  --box-shadow-card: 0 8px 20px rgba(0, 0, 0, 0.06);
  --box-shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  
  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Nunito', sans-serif;
  
  /* Sizes */
  --container-width: 1200px;
  --header-height: 80px;
  --border-radius: 12px;
  --button-radius: 30px;
  
  /* Animation */
  --transition-fast: 0.2s;
  --transition-medium: 0.3s;
  --transition-slow: 0.5s;
  --elastic-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--neutral-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 2rem;
  font-weight: 600;
}

h1 {
  font-size: 4.8rem;
}

h2 {
  font-size: 3.6rem;
}

h3 {
  font-size: 2.8rem;
}

h4 {
  font-size: 2.4rem;
}

p {
  margin-bottom: 1.6rem;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
  font-size: 1.8rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn,
button,
input[type='submit'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 3rem;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--button-radius);
  cursor: pointer;
  transition: all var(--transition-medium) var(--elastic-bounce);
  text-decoration: none;
  outline: none;
  border: none;
  box-shadow: var(--box-shadow-soft);
}

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

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

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

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

.btn:active,
button:active,
input[type='submit']:active {
  transform: translateY(1px);
  box-shadow: var(--box-shadow-pressed);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.logo a {
  display: flex;
  align-items: center;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 2.4rem;
}

.logo h1 {
  margin: 0;
  font-size: 2.4rem;
}

.nav-desktop ul {
  display: flex;
  gap: 2rem;
}

.nav-desktop a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-dark);
  border-radius: 3px;
  transition: all 0.3s var(--elastic-bounce);
}

.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--neutral-light);
  padding-top: var(--header-height);
  transition: right 0.4s var(--elastic-bounce);
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  z-index: 999;
}

.nav-mobile.active {
  right: 0;
}

.nav-mobile ul {
  padding: 2rem;
}

.nav-mobile li {
  margin-bottom: 1.5rem;
}

.nav-mobile a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--text-dark);
  transition: color var(--transition-fast);
  display: block;
  padding: 1rem 0;
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  padding: 15rem 0 10rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-title {
  color: var(--text-light);
  font-size: 5.6rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s var(--elastic-bounce) forwards;
}

.hero-subtitle {
  color: var(--text-light);
  font-size: 2.2rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s var(--elastic-bounce) 0.2s forwards;
  opacity: 0;
}

.hero-cta {
  display: flex;
  gap: 2rem;
  animation: fadeInUp 1s var(--elastic-bounce) 0.4s forwards;
  opacity: 0;
}

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

/* ==========================================================================
   METHODOLOGY SECTION
   ========================================================================== */
.methodology {
  padding: 8rem 0;
  background: var(--neutral-light);
  position: relative;
  overflow: hidden;
}

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

.methodology-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5rem;
  margin-bottom: 6rem;
}

.methodology-text {
  flex: 1;
  min-width: 300px;
}

.methodology-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.methodology-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-medium) var(--elastic-bounce);
}

.methodology-image img:hover {
  transform: scale(1.03);
}

.carousel-container {
  padding: 4rem 0 2rem;
}

.carousel-container h3 {
  text-align: center;
  margin-bottom: 4rem;
}

.carousel {
  position: relative;
  overflow: hidden;
  padding: 2rem 0;
}

.carousel-item {
  padding: 0 1.5rem;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
}

.carousel-prev,
.carousel-next {
  background: var(--neutral-light);
  box-shadow: var(--box-shadow-soft);
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-medium) var(--elastic-bounce);
}

.carousel-prev:hover,
.carousel-next:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-hover);
}

.carousel-prev:active,
.carousel-next:active {
  transform: translateY(1px);
  box-shadow: var(--box-shadow-pressed);
}

/* ==========================================================================
   PROCESS SECTION
   ========================================================================== */
.process {
  padding: 8rem 0;
  background: linear-gradient(to bottom right, #f9f9f9, #f0f0f0);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 0;
}

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

.timeline-item {
  position: relative;
  margin-bottom: 6rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
  box-shadow: var(--box-shadow-soft);
  transition: all var(--transition-medium) var(--elastic-bounce);
}

.timeline-item:hover .timeline-marker {
  transform: translateX(-50%) scale(1.2);
  background: var(--primary-dark);
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 2rem;
  background: var(--neutral-light);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-medium) var(--elastic-bounce);
}

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

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

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

.timeline-content h3 {
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.timeline-content img {
  border-radius: var(--border-radius);
  margin-top: 2rem;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ==========================================================================
   BEHIND SCENES SECTION
   ========================================================================== */
.behind-scenes {
  padding: 8rem 0;
  background: var(--neutral-light);
}

.behind-scenes-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5rem;
}

.behind-scenes-text {
  flex: 1;
  min-width: 300px;
}

.behind-scenes-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.behind-scenes-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-medium) var(--elastic-bounce);
}

.behind-scenes-image img:hover {
  transform: scale(1.03);
}

/* ==========================================================================
   RESOURCES SECTION
   ========================================================================== */
.resources {
  padding: 8rem 0;
  background: linear-gradient(to bottom, #f9f9f9, #f0f0f0);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 3rem;
}

/* ==========================================================================
   TEAM SECTION
   ========================================================================== */
.team {
  padding: 8rem 0;
  background: var(--neutral-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 4rem;
}

/* ==========================================================================
   INSTRUCTORS SECTION
   ========================================================================== */
.instructors {
  padding: 8rem 0;
  background: linear-gradient(to bottom, #f0f0f0, #f9f9f9);
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 4rem;
}

.instructor-title {
  color: var(--primary-dark);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.instructor-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.instructor-expertise span {
  background: var(--primary-light);
  color: var(--text-dark);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-size: 1.4rem;
  font-weight: 500;
}

/* ==========================================================================
   MEDIA SECTION
   ========================================================================== */
.media {
  padding: 8rem 0;
  background: var(--neutral-light);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 4rem;
}

.media-item {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-medium) var(--elastic-bounce);
}

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

.media-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.media-content {
  padding: 2rem;
}

.media-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.media-date {
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 1.5rem;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects {
  padding: 8rem 0;
  background: linear-gradient(to bottom, #f9f9f9, #f0f0f0);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 4rem;
}

/* ==========================================================================
   BLOG SECTION
   ========================================================================== */
.blog {
  padding: 8rem 0;
  background: var(--neutral-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 4rem;
}

.blog-date {
  display: inline-block;
  color: var(--text-secondary);
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

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

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

.card-image {
  width: 100%;
  overflow: hidden;
  height: 220px;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-content {
  padding: 2.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.card-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.card-content h4 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--primary-dark);
}

.card-content .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact {
  padding: 8rem 0;
  background: linear-gradient(to bottom right, #f0f0f0, #f9f9f9);
  position: relative;
  overflow: hidden;
}

.contact::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--gradient-secondary);
  opacity: 0.1;
  z-index: 0;
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: 6rem;
  position: relative;
  z-index: 1;
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.contact-form-container {
  flex: 1;
  min-width: 300px;
}

.contact-details {
  margin: 3rem 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-icon {
  font-size: 2.4rem;
  color: var(--primary-dark);
}

.contact-hours {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-soft);
  margin-top: 3rem;
}

.contact-hours h4 {
  margin-bottom: 1.5rem;
  color: var(--primary-dark);
}

.contact-form {
  background: white;
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-card);
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 2px solid var(--neutral-medium);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1.6rem;
  transition: border-color var(--transition-fast);
  background: var(--neutral-light);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 1rem;
}

.form-group input[type="checkbox"] + label {
  display: inline-block;
  font-weight: normal;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--text-dark);
  color: var(--text-light);
  padding: 6rem 0 2rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo h3 {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-size: 2.8rem;
}

.footer-logo p {
  color: var(--neutral-medium);
  max-width: 300px;
}

.footer-links h4,
.footer-legal h4,
.footer-social h4 {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 2rem;
}

.footer-links ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.social-links a {
  color: var(--neutral-medium);
  transition: color var(--transition-fast);
  font-size: 1.6rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.05);
}

.social-links a:hover {
  color: var(--primary-light);
  background: rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--neutral-medium);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-3 {
  margin-bottom: 3rem;
}

.mb-4 {
  margin-bottom: 4rem;
}

.mb-5 {
  margin-bottom: 5rem;
}

/* ==========================================================================
   MEDIA QUERIES
   ========================================================================== */
@media screen and (max-width: 1024px) {
  html {
    font-size: 58%;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-marker {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 55%;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .hero {
    padding: 12rem 0 8rem;
  }
  
  .hero-title {
    font-size: 4.2rem;
  }
  
  .hero-subtitle {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  
  .methodology-content,
  .behind-scenes-content,
  .contact-content {
    gap: 4rem;
  }
  
  .card-content {
    padding: 2rem;
  }
}

@media screen and (max-width: 576px) {
  html {
    font-size: 50%;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 3.8rem;
  }
  
  .section-title {
    font-size: 3.2rem;
  }
  
  .card-content h3 {
    font-size: 2rem;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    padding: 1.5rem;
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

/* ==========================================================================
   SPECIAL PAGES
   ========================================================================== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  background: var(--neutral-light);
}

.success-content {
  max-width: 600px;
  background: white;
  padding: 4rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-card);
}

.privacy-content,
.terms-content {
  padding-top: 100px;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 4rem;
}