/* CSS Variables for Theme Management */
:root {
  /* Light Theme Colors */
  --primary-color: #6b46c1;
  --primary-light: #8b5cf6;
  --primary-dark: #553c9a;
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;

  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-overlay: rgba(0, 0, 0, 0.6);

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --border-color: #e2e8f0;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.15);

  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));

  /* Typography */
  --font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

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

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-overlay: rgba(0, 0, 0, 0.8);

  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;

  --border-color: #475569;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.4);
}

/* Ensure text is visible in both themes */
[data-theme="light"] p,
[data-theme="light"] .article-excerpt,
[data-theme="light"] .member-description {
  color: #64748b !important;
}

[data-theme="dark"] p,
[data-theme="dark"] .article-excerpt,
[data-theme="dark"] .member-description {
  color: #cbd5e1 !important;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  padding-top: 80px; /* Add space for fixed header */
}

/* Ensure all text elements are visible */
p,
h1,
h2,
h3,
h4,
h5,
h6,
span,
div,
a,
li {
  display: block;
  visibility: visible;
  opacity: 1;
}

/* Fix any potential text hiding issues */
.hero-content p,
.about-content p,
.card-content p,
.member-description,
.article-excerpt,
.book-description,
.biography-text p,
.speech-excerpt p {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  margin-bottom: var(--spacing-md) !important;
}

/* Ensure headings are visible */
h1,
h2,
h3,
h4,
h5,
h6 {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: var(--text-primary) !important;
}

/* Fix animation issues that might hide content */
.animate-on-scroll {
  opacity: 1 !important;
  transform: translateY(0) !important;
  transition: all 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: var(--text-white);
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 50px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  gap: 4px;
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-heavy);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  font-size: 1.2rem;
  transition: opacity var(--transition-normal);
}

[data-theme="dark"] .theme-toggle .sun-icon {
  opacity: 0.3;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  opacity: 1;
}

[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 2;
}

[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 0.3;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: block;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-primary);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 999;
  transition: all var(--transition-normal);
}

.nav {
  top:5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0; /* Increase from md to lg */
  min-height: 80px; /* Set minimum height */
}

.nav-brand .brand-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.brand-link {
  left:10px;
  position: absolute;
  text-decoration: none;
  padding-bottom: 5px;
}

.brand-main {
  color: var(--text-primary);
}

.brand-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  background-color: var(--primary-color);
  color: var(--text-primary);
  border-radius: 25px;
  line-height: 25px;
  /* border: var(--text-primary) 5px solid; */
  -webkit-text-fill-color: var(--text-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-2xl); /* Increase gap between nav items */
  margin-left: var(--spacing-3xl); /* Add left margin to separate from brand */
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

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

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

/* Sections */
section {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.section {
  padding: var(--spacing-3xl) 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  border-radius: 2px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  margin: var(--spacing-sm);
  z-index: 10;
  text-align: center;
  white-space: nowrap;
}

/* Remove the problematic pseudo-element completely */
.btn::before {
  display: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-medium);
}

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

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Button containers with proper spacing */
.hero-buttons,
.about-buttons,
.error-buttons,
.contact-buttons {
  display: flex;
  gap: var(--spacing-3xl);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
}

.hero-buttons .btn,
.about-buttons .btn,
.error-buttons .btn,
.contact-buttons .btn {
  min-width: 160px;
  margin: var(--spacing-md) var(--spacing-lg);
  flex-shrink: 0;
}

/* Definition Box */
.definition-box {
  background: var(--bg-tertiary);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  border-radius: 0 8px 8px 0;
}

.definition-box h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.definition-highlight {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin: var(--spacing-md) 0;
  border-left: 3px solid var(--accent-color);
}

/* Add proper spacing between content sections */
.card-content > *:not(:last-child),
.member-info > *:not(:last-child),
.article-content > *:not(:last-child) {
  margin-bottom: var(--spacing-md);
}

.card-content h3,
.member-info h3,
.article-content h3 {
  margin-bottom: var(--spacing-sm);
}

.card-content p,
.member-description,
.article-excerpt {
  margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-brand span {
  color: var(--primary-color);
}

.footer-brand p {
  color: var(--text-secondary);
}

.footer-contact h4 {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer-contact p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}
.footer-bottom a {
  color: var(--text-light);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-logo-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

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

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

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

/* Scroll animations */
.animate-on-scroll {
  opacity: 1 !important;
  transform: translateY(0) !important;
  transition: all 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-heavy);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .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);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

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

  .hero-buttons,
  .about-buttons,
  .error-buttons,
  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }
}

/* Print styles */
@media print {
  .theme-toggle,
  .nav-toggle {
    display: none;
  }

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

#main-content {
  position: relative;
  z-index: 1;
}

.hero {
  margin-top: -80px; /* Compensate for body padding on hero section */
  padding-top: 80px; /* Add padding back to hero content */
}

/* Force white text in hero sections regardless of theme */
.hero .hero-content,
.hero .hero-content *,
.contact-hero .hero-content,
.contact-hero .hero-content * {
  color: #ffffff !important;
}

/* Ensure definition boxes in hero sections also stay white */
.hero .definition-box,
.hero .definition-box *,
.contact-hero .definition-box,
.contact-hero .definition-box * {
  color: #ffffff !important;
}