/* CSS Variables */
:root {
  /* Monochromatic Color Scheme */
  --primary-color: #2c3e50;
  --primary-light: #34495e;
  --primary-dark: #1a252f;
  --secondary-color: #3498db;
  --secondary-light: #5dade2;
  --secondary-dark: #2980b9;
  --accent-color: #e74c3c;
  --accent-light: #ec7063;
  --accent-dark: #c0392b;
  
  /* Grayscale Colors */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #495057;
  --black: #212529;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f1f3f4;
  --bg-dark: #2c3e50;
  --bg-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --bg-gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  
  /* Text Colors */
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-light: #ffffff;
  --text-muted: #868e96;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Shadows */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  
  /* Border Radius */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Global Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.title {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.title.is-1 { font-size: 3rem; font-weight: var(--font-weight-bold); }
.title.is-2 { font-size: 2.5rem; font-weight: var(--font-weight-semibold); }
.title.is-3 { font-size: 2rem; }
.title.is-4 { font-size: 1.5rem; }
.title.is-5 { font-size: 1.25rem; }

.subtitle {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-normal);
  opacity: 0.9;
}

/* Button Styles */
.btn,
.button,
input[type="submit"] {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  border: none;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn::before,
.button::before,
input[type="submit"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before,
.button:hover::before,
input[type="submit"]:hover::before {
  left: 100%;
}

.btn:hover,
.button:hover,
input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.button.is-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.button.is-outlined {
  background: transparent;
  border: 2px solid currentColor;
}

.button.is-outlined.is-white {
  color: var(--white);
  border-color: var(--white);
}

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

/* Header Styles */
.navbar {
  backdrop-filter: blur(10px);
  background: rgba(44, 62, 80, 0.95);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.navbar-brand .navbar-item {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  color: var(--white);
}

.navbar-item {
  color: var(--white);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.navbar-item:hover {
  color: var(--secondary-light);
  background-color: rgba(255, 255, 255, 0.1);
}

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

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

.hero.has-background-image {
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

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

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

.hero .title {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out;
}

.hero .subtitle {
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .buttons {
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section.has-background-light {
  background: var(--bg-secondary);
}

.section.has-background-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

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

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

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
}

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

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

.card-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-content .title {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Feature Toggle */
.feature-toggle {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tabs.is-boxed li.is-active a {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.tabs.is-boxed li a {
  border: 1px solid var(--medium-gray);
  transition: all var(--transition-fast);
}

.tabs.is-boxed li a:hover {
  background-color: var(--light-gray);
}

.tab-content {
  padding: var(--spacing-md);
}

.tab-pane {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.tab-pane.is-active {
  display: block;
}

/* Project Carousel */
.project-carousel {
  position: relative;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-slide {
  display: none;
  padding: var(--spacing-lg);
}

.carousel-slide.active {
  display: block;
  animation: slideIn var(--transition-slow);
}

.carousel-slide img {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.carousel-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
}

.carousel-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.carousel-indicators {
  display: flex;
  gap: var(--spacing-xs);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--medium-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.indicator.active,
.indicator:hover {
  background: var(--primary-color);
  transform: scale(1.2);
}

/* Accordion */
.accordion-container {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-item {
  border-bottom: 1px solid var(--light-gray);
}

.accordion-item:last-child {
  border-bottom: none;
}

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

.accordion-header:hover {
  background: var(--light-gray);
}

.accordion-header.active {
  background: var(--primary-color);
  color: var(--white);
}

.accordion-toggle {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  transition: transform var(--transition-fast);
}

.accordion-header.active .accordion-toggle {
  transform: rotate(45deg);
}

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

.accordion-content.active {
  max-height: 500px;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

/* Resources Section */
.resource-item {
  padding: var(--spacing-sm);
  border-left: 3px solid var(--primary-color);
  margin-bottom: var(--spacing-sm);
  background: var(--white);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  transition: all var(--transition-fast);
}

.resource-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-sm);
}

.resource-item a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.resource-item a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  max-width: 100%;
}

.field {
  margin-bottom: var(--spacing-md);
}

.label {
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.input,
.textarea,
.select select {
  border: 2px solid var(--light-gray);
  border-radius: var(--border-radius-md);
  padding: 0.75rem;
  font-family: var(--font-secondary);
  transition: all var(--transition-fast);
  background: var(--white);
}

.input:focus,
.textarea:focus,
.select select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.125rem rgba(44, 62, 80, 0.25);
  outline: none;
}

.select {
  position: relative;
}

.select::after {
  border-color: var(--primary-color);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.checkbox input[type="checkbox"] {
  margin-right: var(--spacing-xs);
}

/* Contact Information */
.contact-info {
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.contact-info:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.tag {
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

.tag.is-primary {
  background: var(--primary-color);
  color: var(--white);
}

.tag.is-info {
  background: var(--secondary-color);
  color: var(--white);
}

.tag.is-success {
  background: #27ae60;
  color: var(--white);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

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

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

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

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

.social-links a {
  color: var(--text-light);
  text-decoration: none;
  margin-right: var(--spacing-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  display: inline-block;
}

.social-links a:hover {
  color: var(--secondary-light);
  transform: translateY(-2px);
}

/* Success Page */
.success-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient-light);
  padding: var(--spacing-md);
}

.success-content {
  text-align: center;
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  animation: bounceIn 1s ease-out;
}

/* Privacy and Terms Pages */
.content-page {
  padding-top: 100px;
  min-height: 100vh;
}

.content-page .container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.content-page h1,
.content-page h2,
.content-page h3 {
  color: var(--text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

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

/* Cookie Consent */
.cookie-consent {
  background: rgba(0, 0, 0, 0.9);
  color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  box-shadow: var(--shadow-lg);
}

.cookie-consent .button {
  margin-left: var(--spacing-md);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.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); }

.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); }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes morphing {
  0%, 100% {
    border-radius: var(--border-radius-md);
  }
  25% {
    border-radius: var(--border-radius-xl) var(--border-radius-sm) var(--border-radius-md) var(--border-radius-lg);
  }
  50% {
    border-radius: var(--border-radius-sm);
  }
  75% {
    border-radius: var(--border-radius-lg) var(--border-radius-xl) var(--border-radius-sm) var(--border-radius-md);
  }
}

.morphing-element {
  animation: morphing 4s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero.is-fullheight {
    min-height: 70vh;
  }
  
  .title.is-1 {
    font-size: 2rem;
  }
  
  .title.is-2 {
    font-size: 1.75rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .carousel-slide {
    padding: var(--spacing-md);
  }
  
  .carousel-slide .columns {
    flex-direction: column;
  }
  
  .carousel-slide img {
    height: 200px;
    margin-bottom: var(--spacing-md);
  }
  
  .contact-form .columns {
    flex-direction: column;
  }
  
  .navbar-menu {
    background: rgba(44, 62, 80, 0.98);
  }
  
  .social-links a {
    display: block;
    margin-bottom: var(--spacing-xs);
    margin-right: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-body {
    padding: var(--spacing-lg) 0;
  }
  
  .button.is-large {
    font-size: 1rem;
    padding: 0.75rem 1.25rem;
  }
  
  .card-content {
    padding: var(--spacing-sm);
  }
  
  .success-content {
    padding: var(--spacing-lg);
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #000000;
    --text-secondary: #333333;
    --primary-color: #000080;
    --secondary-color: #008000;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.button:focus,
.input:focus,
.textarea:focus,
.select select:focus {
  outline: none;
  box-shadow: 0 0 0 0.125rem rgba(44, 62, 80, 0.5);
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .hero,
  .carousel-controls,
  .button {
    display: none !important;
  }
  
  .section {
    page-break-inside: avoid;
  }
  
  body {
    color: #000;
    background: #fff;
  }
}