/* ==========================================================================
   Modern Nitr-Navigator Styles - Green Theme & Tighter Layout
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Green-based Colors */
  --color-primary: #059669;
  --color-primary-dark: #047857;
  --color-primary-light: #10B981;
  --color-secondary: #0891B2;
  --color-accent: #065F46;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  --color-black: #000000;

  /* Green accent colors */
  --color-leaf: #22C55E;
  --color-forest: #166534;
  --color-mint: #DCFCE7;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Tighter Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 2.5rem;
  --space-4xl: 3rem;

  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;

  /* Shadows with green tints */
  --shadow-sm: 0 1px 2px 0 rgba(5, 150, 105, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(5, 150, 105, 0.1), 0 2px 4px -1px rgba(5, 150, 105, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(5, 150, 105, 0.1), 0 4px 6px -2px rgba(5, 150, 105, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(5, 150, 105, 0.1), 0 10px 10px -5px rgba(5, 150, 105, 0.04);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

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

.text-large {
  font-size: var(--text-lg);
  font-weight: 400;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-leaf));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.link {
  position: relative;
  color: var(--color-primary);
  font-weight: 500;
}

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

.link:hover::after {
  width: 100%;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Section - Tighter spacing */
.section {
  padding: var(--space-3xl) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.section__line {
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-leaf));
  margin: 0 auto;
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-forest));
}

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

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

.btn--large {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-lg);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-forest), var(--color-gray-800));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo img {
  width: 80px;
  height: auto;
  margin-bottom: var(--space-lg);
  opacity: 0.8;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(5, 150, 105, 0.3);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
}

.nav__brand {
  display: flex;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gray-900);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  text-decoration: none;
}

.nav__logo img {
  width: 40px;
  height: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  color: var(--color-gray-700);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-gray-700);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-mint), var(--color-white));
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
}

.hero-badge::before {
  content: '●';
  color: var(--color-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(10px) rotate(-1deg); }
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  display: block;
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-gray-600);
  margin-top: var(--space-sm);
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-xl);
  max-width: 400px;
  width: 100%;
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-gray-200);
}

.card__header h3 {
  font-size: var(--text-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.card__content {
  display: grid;
  gap: var(--space-lg);
}

.stat {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  background: var(--color-mint);
}

.stat__number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-display);
}

.stat__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-weight: 500;
  margin-top: var(--space-xs);
}

/* Overview Section */
.overview {
  background: var(--color-white);
}

.overview__content {
  max-width: 800px;
  margin: 0 auto;
}

.overview__text p {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-gray-700);
}

/* Hero Actions - Fixed positioning */
.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  justify-content: center;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Trust badges */
.trust-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-mint);
  color: var(--color-primary);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-primary);
}

/* Database Cards */
.database-cards {
  background: var(--color-gray-50);
}

.section-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
  color: var(--color-gray-900);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.fade-in {
  opacity: 1;
}

.cards__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.database-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.database-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-leaf));
}

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

.card__icon {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-mint);
  border-radius: var(--border-radius-lg);
}

.card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
  color: var(--color-gray-900);
}

.card__description {
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-primary);
  font-weight: 600;
  transition: var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-sm);
  color: var(--color-primary-dark);
}

/* Highlights Section */
.highlights {
  background: var(--color-white);
}

.slideshow {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--color-white);
}

.slideshow__container {
  position: relative;
  height: 500px;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.5s ease-in-out;
}

.slide.active {
  opacity: 1;
  transform: translateX(0);
}

.slide__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  align-items: center;
}

.slide__image {
  height: 100%;
  overflow: hidden;
}

.slide__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide__text {
  padding: var(--space-2xl);
}

.slide__text h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-gray-900);
}

.slide__text p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.slideshow__controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  pointer-events: none;
}

.slide__btn {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  pointer-events: all;
  box-shadow: var(--shadow-md);
}

.slide__btn:hover {
  background: var(--color-white);
  transform: scale(1.1);
}

.slideshow__indicators {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-fast);
}

.indicator.active,
.indicator:hover {
  background: var(--color-white);
}

/* Contact Section */
.contact {
  background: linear-gradient(135deg, var(--color-forest), var(--color-gray-800));
  color: var(--color-white);
}

.contact__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.contact__text .section__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.contact__text .text-large {
  color: var(--color-gray-300);
}

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

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer__brand img {
  width: 60px;
  height: auto;
  margin-bottom: var(--space-md);
}

.footer__brand p {
  color: var(--color-gray-400);
  line-height: 1.6;
}

.footer__links h4 {
  color: var(--color-white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
}

.footer__links ul {
  list-style: none;
}

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

.footer__links a {
  color: var(--color-gray-400);
  transition: var(--transition-fast);
}

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

.footer__bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer__note {
  font-style: italic;
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  margin-top: var(--space-sm);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: var(--transition-normal);
}

.modal.active .modal__content {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 1;
}

.modal__close:hover {
  background: var(--color-gray-200);
}

.modal__header {
  padding: var(--space-2xl) var(--space-2xl) 0;
}

.modal__header h3 {
  font-size: var(--text-2xl);
  color: var(--color-gray-900);
}

.modal__body {
  padding: var(--space-lg) var(--space-2xl) var(--space-2xl);
}

.modal__body iframe {
  border-radius: var(--border-radius);
}

/* Utility Classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
  }

  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__visual {
    order: -1;
  }

  .slide__content {
    grid-template-columns: 1fr;
  }

  .slide__image {
    height: 250px;
  }

  .footer__content {
    grid-template-columns: 1fr 1fr;
  }

  .cards__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 2rem;
    --space-2xl: 1.5rem;
    --text-5xl: 2.25rem;
    --text-4xl: 1.875rem;
    --text-3xl: 1.5rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav {
    padding: var(--space-sm) var(--space-md);
  }

  .nav__menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    padding: var(--space-lg);
  }

  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero__title {
    font-size: var(--text-4xl);
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cards__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .database-card {
    padding: var(--space-lg);
  }

  .slideshow__container {
    height: 400px;
  }

  .slide__text {
    padding: var(--space-lg);
  }

  .slide__text h3 {
    font-size: var(--text-xl);
  }

  .contact__content {
    flex-direction: column;
    text-align: center;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .modal__content {
    width: 95%;
    margin: var(--space-lg);
  }

  .modal__header,
  .modal__body {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --text-2xl: 1.25rem;
  }

  .hero__card {
    padding: var(--space-lg);
  }

  .stat {
    padding: var(--space-sm);
  }

  .stat__number {
    font-size: var(--text-2xl);
  }

  .btn, .btn-primary, .btn-secondary {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
  }

  .btn--large {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
  }

  .slideshow__container {
    height: 300px;
  }

  .slide__btn {
    width: 40px;
    height: 40px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
  }
}

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

  .hero__particles {
    animation: none;
  }

  .loading-spinner {
    animation: none;
    border: 3px solid var(--color-primary);
  }

  .hero-badge::before {
    animation: none;
  }
}

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

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #047857;
    --color-gray-600: #374151;
    --color-gray-700: #1F2937;
  }

  .hero__particles {
    display: none;
  }

  .modal__overlay {
    background: rgba(0, 0, 0, 0.9);
  }
}

/* Print styles */
@media print {
  .header,
  .nav,
  .hero-actions,
  .slideshow__controls,
  .slideshow__indicators,
  .modal,
  .loading-screen {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: var(--space-lg) 0;
  }

  .section {
    padding: var(--space-lg) 0;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }
}

/* Animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-up {
  transform: translateY(30px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.slide-up.visible {
  transform: translateY(0);
  opacity: 1;
}

.scale-in {
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.scale-in.visible {
  transform: scale(1);
  opacity: 1;
}

/* Additional utility classes */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: var(--space-lg);
}

.gap-2 {
  gap: var(--space-sm);
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

/* Smooth scrolling for anchor links */
html {
  scroll-padding-top: 80px;
}

/* Enhanced link hover effects */
.enhanced-link {
  position: relative;
  overflow: hidden;
}

.enhanced-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(5, 150, 105, 0.1), transparent);
  transition: left 0.6s ease;
}

.enhanced-link:hover::before {
  left: 100%;
}

/* ==========================================================================
   Table Styles - Modern Green Theme
   ========================================================================== */

/* Base Table Styles */
.table-container {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  background: var(--color-white);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* Table Header */
thead {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
}

th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.025em;
  text-transform: uppercase;
  position: relative;
  border-bottom: 2px solid var(--color-primary-dark);
}

th:first-child {
  border-top-left-radius: var(--border-radius-lg);
}

th:last-child {
  border-top-right-radius: var(--border-radius-lg);
}

/* Sortable headers */
th.sortable {
  cursor: pointer;
  transition: var(--transition-fast);
  user-select: none;
}

th.sortable:hover {
  background: rgba(255, 255, 255, 0.1);
}

th.sortable::after {
  content: '⇅';
  position: absolute;
  right: var(--space-sm);
  opacity: 0.6;
  font-size: var(--text-xs);
}

th.sortable.asc::after {
  content: '↑';
  opacity: 1;
}

th.sortable.desc::after {
  content: '↓';
  opacity: 1;
}

/* Table Body */
tbody tr {
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--color-gray-200);
}

tbody tr:hover {
  background: var(--color-mint);
}

tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

tbody tr:nth-child(even):hover {
  background: var(--color-mint);
}

tbody tr:last-child {
  border-bottom: none;
}

td {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-gray-700);
  vertical-align: middle;
}

/* Table Variants */

/* Striped Table */
.table-striped tbody tr:nth-child(odd) {
  background: var(--color-white);
}

.table-striped tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

/* Bordered Table */
.table-bordered {
  border: 1px solid var(--color-gray-200);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--color-gray-200);
}

.table-bordered thead th {
  border-bottom: 2px solid var(--color-primary);
}

/* Compact Table */
.table-compact th,
.table-compact td {
  padding: var(--space-sm) var(--space-md);
}

/* Large Table */
.table-large th,
.table-large td {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-base);
}

/* Dark Theme Table */
.table-dark {
  background: var(--color-gray-800);
  color: var(--color-white);
}

.table-dark thead {
  background: linear-gradient(135deg, var(--color-gray-900), var(--color-black));
}

.table-dark tbody tr {
  border-bottom: 1px solid var(--color-gray-700);
}

.table-dark tbody tr:hover {
  background: var(--color-gray-700);
}

.table-dark tbody tr:nth-child(even) {
  background: var(--color-gray-700);
}

.table-dark td {
  color: var(--color-gray-200);
}

/* Status Indicators */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.status-badge.success {
  background: var(--color-mint);
  color: var(--color-primary-dark);
}

.status-badge.warning {
  background: #FEF3C7;
  color: #92400E;
}

.status-badge.error {
  background: #FEE2E2;
  color: #991B1B;
}

.status-badge.info {
  background: #DBEAFE;
  color: #1E40AF;
}

.status-badge.neutral {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

/* Table Actions */
.table-actions {
  display: flex;
  gap: var(--space-xs);
  justify-content: flex-end;
}

.table-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.table-action-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.table-action-btn.danger:hover {
  background: var(--color-error);
}

.table-action-btn.warning:hover {
  background: var(--color-warning);
}

/* Numeric cells */
.text-numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* Empty state */
.table-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-gray-500);
}

.table-empty-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  opacity: 0.5;
}

/* Table Pagination */

.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.pagination-info {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

.pagination-controls {
  display: flex;
  gap: var(--space-xs);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-gray-600);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  font-size: var(--text-sm);
}

.pagination-btn:hover:not(.disabled) {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Table Search and Filters */
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.table-search {
  position: relative;
  min-width: 200px;
}

.table-search input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  padding-left: 40px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.table-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.table-search::before {
  content: '🔍';
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
}

.table-filters {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.table-filter-btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-gray-600);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--text-sm);
}

.table-filter-btn:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.table-filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Responsive Tables */
@media (max-width: 768px) {
  .table-container {
    margin: var(--space-md) var(--space-md);
    border-radius: 0;
    box-shadow: none;
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
  }

  .table-responsive {
    display: block;
  }

  .table-responsive thead {
    display: none;
  }

  .table-responsive tbody,
  .table-responsive tr,
  .table-responsive td {
    display: block;
  }

  .table-responsive tr {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
  }

  .table-responsive td {
    border: none;
    padding: var(--space-xs) 0;
    text-align: right;
    position: relative;
    padding-left: 40%;
  }

  .table-responsive td::before {
    content: attr(data-label);
    position: absolute;
    left: 0;
    top: var(--space-xs);
    font-weight: 600;
    color: var(--color-gray-700);
    text-transform: uppercase;
    font-size: var(--text-xs);
    letter-spacing: 0.025em;
  }

  .table-header {
    flex-direction: column;
    align-items: stretch;
  }

  .table-search {
    min-width: auto;
  }

  .table-filters {
    justify-content: center;
    flex-wrap: wrap;
  }

  .table-pagination {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* Loading state for tables */
.table-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-3xl);
  color: var(--color-gray-500);
}

.loading-row {
  text-align: center;
}

.loading-row .table-loading {
  padding: var(--space-2xl);
}

/* ==========================================================================
   Page-Specific Styles for Database Pages
   ========================================================================== */

/* Page Hero Section */
.page-hero {
  background: linear-gradient(135deg, var(--color-mint) 0%, var(--color-white) 100%);
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(5, 150, 105, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.page-hero__description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.page-hero__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  background: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

/* Introduction Content */
.intro-content {
  max-width: 900px;
  margin: 0 auto;
}

.intro-text {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-gray-700);
}

.intro-text p {
  margin-bottom: var(--space-lg);
}

.intro-text .text-large {
  font-size: var(--text-lg);
  color: var(--color-gray-800);
  margin-bottom: var(--space-xl);
}

/* Enhanced Table Styles for Database Pages */
.table-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-sm);
}

.table-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  margin-bottom: var(--space-xl);
}

/* Search Container */
.search-container {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.search-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  transition: var(--transition-fast);
  background: var(--color-white);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.search-input::placeholder {
  color: var(--color-gray-400);
}

.search-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* Table Wrapper */
.table-wrapper {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    width: 100%;
}

.tableFixHead {
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 60vh;
  border-radius: var(--border-radius-lg);
  width: 100%;
}

.tableFixHead thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.table-wrapper thead th {
  background: var(--color-primary);
  font-weight: 600;
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 2;
}

.table-wrapper tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

.table-wrapper tbody tr:hover {
    background: var(--color-leaf);
    transition: background 0.2s ease, opacity 0.2s ease
}

/* Data Table Specific Styles - Fit Container */
.data-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: var(--text-sm);
  background: var(--color-white);
}

/* Column Width Distribution */
.data-table th:nth-child(1) { width: 15%; } /* Food category */
.data-table th:nth-child(2) { width: 15%; } /* Common food name */
.data-table th:nth-child(3) { width: 15%; } /* Mean ± SD */
.data-table th:nth-child(4) { width: 20%; } /* Median [IQR] */
.data-table th:nth-child(5) { width: 12%; } /* Range */
.data-table th:nth-child(6) { width: 8%; }  /* References */
.data-table th:nth-child(7) { width: 8%; }  /* Sample size */
.data-table th:nth-child(8) { width: 7%; }  /* Countries */

.data-table th {
  padding: var(--space-md) var(--space-sm);
  text-align: left;
  font-weight: 500;
  font-size: var(--text-xs);
  letter-spacing: 0.025em;
  border-bottom: 2px solid var(--color-primary-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  hyphens: auto;
}

.data-table td {
  padding: var(--space-sm) var(--space-sm);
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-gray-700);
  vertical-align: top;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: break-word;
  hyphens: auto;
  line-height: 1.4;
}

/* Expanded mode: allow wrapping everywhere */
.data-table.expanded td {
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: clip !important;
  word-wrap: break-word;
  hyphens: auto;
}

/* Allow wrapping for certain columns */
.data-table td:nth-child(1),  /* Food category */
.data-table td:nth-child(2),  /* Common food name */
.data-table td:nth-child(8) { /* Countries */
  white-space: normal;
  word-wrap: break-word;
  hyphens: auto;
}
.data-table td:nth-child(1):hover,
.data-table td:nth-child(2):hover,
.data-table td:nth-child(8):hover {
  position: relative;
}

.data-table td:nth-child(1):hover::after,
.data-table td:nth-child(2):hover::after,
.data-table td:nth-child(8):hover::after {
    content: attr(data-fulltext);
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    color: #000;
    padding: 6px;
    border: 1px solid #ccc;
    white-space: normal;
    z-index: 10;
    max-width: 300px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Numeric columns - right align */
.data-table td:nth-child(3),
.data-table td:nth-child(4),
.data-table td:nth-child(5),
.data-table td:nth-child(6),
.data-table td:nth-child(7) {
  text-align: left;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-primary), serif;
}

/* Pagination Styles */
.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.pagination-info {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  font-weight: 500;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 36px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-gray-600);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}

.pagination-btn:hover:not(.disabled) {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.pagination-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--color-gray-100);
}

.pagination-btn.prev,
.pagination-btn.next {
  padding: 0 var(--space-md);
  font-weight: 600;
}

/* Rows per page selector */
.rows-per-page {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.rows-per-page select {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  background: var(--color-white);
  font-size: var(--text-sm);
  cursor: pointer;
}

.rows-per-page select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.1);
}

/* Virtual scrolling container for performance */
.virtual-scroll-container {
  height: 60vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.virtual-scroll-spacer {
  pointer-events: none;
}

/* Table performance optimizations */
.data-table tbody tr {
  transition: background-color 0.1s ease;
  will-change: background-color;
}

/* Hide rows for pagination */
.data-table tbody tr.hidden {
  display: none;
}

/* Loading overlay for pagination */
.table-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  backdrop-filter: blur(2px);
}

/* Enhanced search with filters */
.search-container {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.search-row {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.search-input-group {
  flex: 1;
  min-width: 250px;
}

.search-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  transition: var(--transition-fast);
  background: var(--color-white);
}

.filter-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-gray-600);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: 500;
}

.filter-btn:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Search stats with better visibility */
.search-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  border-top: 1px solid var(--color-gray-200);
  margin-top: var(--space-sm);
}

.search-stats-left {
  font-weight: 500;
}

.search-stats-right {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

/* Quick jump to top button for long tables */
.scroll-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Table summary stats */
.table-summary {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.summary-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  text-align: center;
  flex: 1;
  min-width: 120px;
  box-shadow: var(--shadow-sm);
}

.summary-number {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

.summary-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-weight: 500;
}

/* Table Notes */
.table-notes {
    margin-top: var(--space-xl);
    background: var(--color-gray-50);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    font-size: var(--text-sm)
}

.table-notes h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-md);
}

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

.table-notes li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-gray-700);
  line-height: 1.6;
}

.table-notes li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Citation Section */
.citation-section {
  background: var(--color-gray-50);
  padding: var(--space-md) 0;
}

.citation-title {
  font-size: var(--text-3xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--color-gray-900);
}

.citation-container {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
    position: relative;
    margin-bottom: 0;
}

.citation-text {
  margin-bottom: var(--space-md);
}

.citation-text pre {
  background: var(--color-gray-50);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-gray-800);
  white-space: pre-wrap;
  word-wrap: break-word;
  border: 1px solid var(--color-gray-200);
  margin: 0;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: 500;
}

.copy-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
}

/* Copy popup notification */
.copy-btn-wrapper {
  display: inline-flex;    /* align children in a row */
  align-items: center;     /* vertically center button & popup */
  gap: 0.5rem;             /* space between them */
}


.copy-popup {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%; /* match button height */
  padding: 0.6rem 1rem; /* match .btn padding */
  border-radius: var(--border-radius);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);

  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none; /* not clickable */
}

.copy-popup.show {
  opacity: 1;
  transform: scale(1);
}

/* Share Section */
.share-section {
  margin-top: var(--space-2xl);
  text-align: center;
}

.share-section h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-lg);
}

.share-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.share-btn--twitter {
  background: #1DA1F2;
  color: var(--color-white);
}

.share-btn--twitter:hover {
  background: #0d8bd9;
  color: var(--color-white);
}

.share-btn--facebook {
  background: #1877F2;
  color: var(--color-white);
}

.share-btn--facebook:hover {
  background: #166fe5;
  color: var(--color-white);
}

.share-btn--linkedin {
  background: #0A66C2;
  color: var(--color-white);
}

.share-btn--linkedin:hover {
  background: #004182;
  color: var(--color-white);
}

/* Responsive Design for Database Pages */
@media (max-width: 1024px) {
  .page-hero__title {
    font-size: var(--text-4xl);
  }

  .tableFixHead {
    max-height: 60vh;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: calc(60px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .page-hero__title {
    font-size: var(--text-3xl);
  }

  .page-hero__meta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .search-container {
    padding: var(--space-md);
  }

  .tableFixHead {
    max-height: 50vh;
  }

  .data-table {
    font-size: var(--text-xs);
  }

  .data-table th,
  .data-table td {
    padding: var(--space-sm) var(--space-md);
  }

  .citation-container {
    padding: var(--space-lg);
  }

  .citation-text pre {
    font-size: var(--text-xs);
    padding: var(--space-md);
  }

  .share-buttons {
    flex-direction: column;
    align-items: center;
  }

  .share-btn {
    width: 200px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .page-hero__title {
    font-size: var(--text-2xl);
  }

  .table-wrapper {
    margin: 0 var(--space-md);
    border-radius: 0;
  }

  .tableFixHead {
    border-radius: 0;
  }

  .data-table th,
  .data-table td {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.7rem;
  }

  .table-notes {
    margin: var(--space-lg) var(--space-md) 0;
    border-radius: 0;
  }
}

/* Progress bar */
.progress-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-leaf));
    z-index: 1001;
    transition: width 0.3s ease;
}

/* Scroll-to-top button */
.scroll-to-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.6rem;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.results-display {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  font-family: 'JetBrains Mono', 'SF Mono', Monaco, Consolas, monospace;
  font-size: var(--text-sm);
  color: var(--color-gray-800);

  /* Make long lists wrap */
  white-space: pre-wrap;      /* Wrap inside <pre> */
  word-wrap: break-word;      /* Break long words if needed */
  overflow-wrap: anywhere;    /* Allow breaks anywhere */
  max-height: none;           /* Allow full expansion */
}

.citation-container {
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

.section-image-blend {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 1rem;
}

.section-image-blend img {
  width: 100%;
  height: auto;
  opacity: 0.1;
  transform: translateY(40px) scale(0.6); /* start lower + bigger */
  transition: opacity 1s ease, transform 1s ease;
  display: block;
  mask-image: linear-gradient(to top, rgba(0,0,0,1) 80%, rgba(0,0,0,0));
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 80%, rgba(0,0,0,0));
}

.section-image-blend img.visible {
  opacity: 0.15; /* final opacity */
  transform: translateY(0) scale(0.8); /* slide up + resize smoothly */
}