:root {
  /* Color Palette */
  --color-primary: #212121;
  --color-primary-dark: #000000;
  --color-primary-light: #484848;
  --color-secondary: #757575;
  --color-secondary-light: #a4a4a4;
  --color-accent: #bdbdbd;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Shadows */
  --shadow-small: 0 2px 5px rgba(0,0,0,0.1);
  --shadow-medium: 0 5px 15px rgba(0,0,0,0.1);
  --shadow-large: 0 10px 25px rgba(0,0,0,0.15);
  
  /* Border Radius */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
}

/* Global Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rubik', sans-serif;
  color: var(--color-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  line-height: 1.3;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

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

/* Button Styles */
.button {
  transition: all var(--transition-fast);
  font-weight: 500;
  border-radius: var(--radius-small);
  box-shadow: var(--shadow-small);
}

.button.is-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.button.is-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.button.is-light {
  background-color: var(--color-light);
  color: var(--color-primary);
}

.button.is-light:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.button.is-outlined {
  border: 2px solid var(--color-primary);
}

.button.is-outlined:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Navbar Styles */
.navbar {
  background-color: var(--color-white);
  box-shadow: var(--shadow-small);

  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-fast);
}

.navbar-item {
  transition: color var(--transition-fast);
}

.navbar-item:hover {
  color: var(--color-primary-dark);
}

.navbar-burger {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  position: relative;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero.is-fullheight {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-body {
  z-index: 2;
  padding: var(--space-xl) 0;
}

.hero .title,
.hero .subtitle {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero .has-text-white {
  color: var(--color-white) !important;
}

/* Portfolio Section */
.portfolio-section {
  padding: var(--space-xl) 0;
}

.portfolio-switcher {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.portfolio-grid .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

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

.portfolio-grid .card-image {
  overflow: hidden;
}

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

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

.portfolio-grid .card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-lg);
}

.custom-slider {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.slider {
  width: 100%;
  appearance: none;
  background: var(--color-secondary-light);
  height: 4px;
  border-radius: 2px;
  outline: none;
}

.slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  cursor: pointer;
  border-radius: 50%;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-xs);
  font-size: 0.9rem;
  color: var(--color-secondary);
}

/* Innovation Section */
.innovation-section {
  padding: var(--space-xl) 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--color-white);
}

.innovation-box {
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-medium);
  padding: var(--space-lg);
  height: 100%;
  transition: transform var(--transition-medium);
  box-shadow: var(--shadow-medium);
}

.innovation-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.innovation-box .title {
  color: var(--color-primary);
}

/* Partners Section */
.partners-section {
  padding: var(--space-xl) 0;
}

.partners-section .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
}

.partners-section .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.partners-section .card-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

/* Success Stories Section */
.success-stories-section {
  padding: var(--space-xl) 0;
}

.success-stories-section .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.success-stories-section .card-image {
  overflow: hidden;
}

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

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

.success-stories-section .card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-lg);
}

.success-stories-section blockquote {
  border-left: 4px solid var(--color-primary-light);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  color: var(--color-primary-light);
  font-style: italic;
}

.success-stories-section blockquote footer {
  margin-top: var(--space-sm);
  font-style: normal;
  font-weight: bold;
  text-align: right;
}

/* Workshops Section */
.workshops-section {
  padding: var(--space-xl) 0;
}

.workshop-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.workshop-card .card-image {
  overflow: hidden;
}

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

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

.workshop-card .card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-lg);
}

.consultation-box {
  padding: var(--space-lg);
  background-color: var(--color-light);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-medium);
}

.consultation-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

/* Calendar Styles */
.calendar-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-md);
  font-weight: 500;
}

.table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-accent);
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover td {
  background-color: var(--color-light);
}

.tag {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.tag.is-warning {
  background-color: #ffdd57;
  color: rgba(0, 0, 0, 0.7);
}

.tag.is-success {
  background-color: #23d160;
  color: #fff;
}

/* Research & Accolades Section */
.research-accolades-section {
  padding: var(--space-xl) 0;
}

.accolades-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.accolade-item {
  display: flex;
  gap: var(--space-lg);
  transition: transform var(--transition-medium);
}

.accolade-item:hover {
  transform: translateY(-5px);
}

.accolade-year {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  min-width: 80px;
}

.accolade-content {
  flex-grow: 1;
}

.accolade-content .title {
  margin-bottom: var(--space-sm);
}

/* Contact Section */
.contact-section {
  padding: var(--space-xl) 0;
}

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

.contact-item {
  margin-bottom: var(--space-lg);
}

.contact-item .title {
  margin-bottom: var(--space-sm);
}

.map-container {
  border-radius: var(--radius-medium);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.map-container img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.input, .textarea, .select select {
  border-radius: var(--radius-small);
  border: 1px solid var(--color-accent);
  transition: all var(--transition-fast);
}

.input:focus, .textarea:focus, .select select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(33, 33, 33, 0.25);
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0;
}

.footer .title {
  color: var(--color-white);
}

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

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

.footer-links a {
  color: var(--color-secondary-light);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.social-links a {
  color: var(--color-secondary-light);
  transition: color var(--transition-fast);
  margin-right: var(--space-sm);
  text-decoration: none;
}

.social-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer hr {
  background-color: var(--color-secondary);
  margin: var(--space-lg) 0;
}

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

.success-container {
  max-width: 600px;
  background-color: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-large);
  animation: fadeIn 1s ease-in-out;
}

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  padding-bottom: var(--space-xl);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

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

/* Animation Utilities */
.fade-in {
  animation: fadeIn 1s ease-out;
}

.slide-in {
  animation: slideIn 0.8s ease-out;
}

.zoom-in {
  animation: zoomIn 0.8s ease-out;
}

/* Media Queries */
@media screen and (max-width: 768px) {
  .hero .title.is-1 {
    font-size: 2.5rem;
  }
  
  .hero .subtitle.is-3 {
    font-size: 1.5rem;
  }
  
  .accolade-item {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .section {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .portfolio-grid .column {
    padding: var(--space-sm);
  }
  
  .workshop-card .card-content,
  .portfolio-grid .card-content,
  .success-stories-section .card-content {
    padding: var(--space-md);
  }
}

@media screen and (max-width: 1023px) {
  .navbar-menu {
    background-color: var(--color-white);
    box-shadow: var(--shadow-medium);
  }
}

/* Curved Grid Layout */
.curved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-lg);
  position: relative;
}

.curved-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 10% 20%, var(--color-light) 0%, transparent 80%);
  z-index: -1;
}

.curved-grid .item {
  transform: rotate(var(--random-rotate, 0deg));
  transition: transform var(--transition-medium);
}

.curved-grid .item:hover {
  transform: rotate(0deg) scale(1.05);
  z-index: 2;
}

/* Utility Classes */
.has-shadow {
  box-shadow: var(--shadow-medium);
}

.has-radius {
  border-radius: var(--radius-medium);
}

.is-clickable {
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.is-clickable:hover {
  transform: translateY(-5px);
}

.read-more {
  display: inline-block;
  margin-top: var(--space-md);
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  position: relative;
}

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

.read-more:hover::after {
  width: 100%;
}

.read-more:hover {
  color: var(--color-primary-dark);
}