:root {
  /* Primary palette - Professional burgundy/navy */
  --color-primary: #8B1A2B;
  --color-primary-dark: #6B1020;
  --color-primary-light: #A83248;
  --color-secondary: #ffffff;
  --color-secondary-dark: #232d42;
  --color-secondary-light: #2A3F6A;
  --color-accent: #C9A84C;
  --color-accent-light: #E0C970;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #F1F3F5;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;

  /* Semantic */
  --color-success: #2D6A4F;
  --color-info: #1B4D8E;
  --color-warning: #CC8500;
  --color-danger: #C62828;

  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font sizes (fluid) */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  --text-xl: clamp(1.15rem, 1rem + 0.5vw, 1.25rem);
  --text-2xl: clamp(1.3rem, 1.1rem + 0.7vw, 1.5rem);
  --text-3xl: clamp(1.6rem, 1.3rem + 1vw, 1.875rem);
  --text-4xl: clamp(2rem, 1.5rem + 1.5vw, 2.25rem);

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

  /* Layout */
  --sidebar-width: 280px;
  --header-height: auto;
  --max-content-width: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-secondary);
}

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

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

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

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.animate-slide-left { animation: slideInLeft 0.5s ease forwards; }
.animate-slide-right { animation: slideInRight 0.5s ease forwards; }

/* Staggered animation delays */
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }
.delay-5 { animation-delay: 0.5s; opacity: 0; }

/* --- Layout: Page Structure --- */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- HEADER --- */
.site-header {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  gap: var(--space-md);
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

.header-brand img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.header-brand img:hover {
  transform: scale(1.05);
}

.header-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.header-title .subtitle {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
}

.header-date {
  font-size: var(--text-sm);
  opacity: 0.9;
  font-weight: 300;
}

/* Top Navigation */
.header-nav {
  background: var(--color-primary);
  padding: 0 var(--space-md);
}

.header-nav ul {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: var(--max-content-width);
  margin: 0 auto;
}

.header-nav a {
  display: block;
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.header-nav a:hover {
  color: var(--color-accent-light);
  background: rgba(255,255,255,0.1);
}

.header-nav a:hover::after {
  width: 80%;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(255,255,255,0.1);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* --- MAIN CONTENT AREA --- */
.content-wrapper {
  display: flex;
  flex: 1;
  max-width: 100%;
}

/* --- SIDEBAR --- */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
  border-right: 1px solid var(--color-gray-200);
  padding: var(--space-lg) 0;
  flex-shrink: 0;
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: transform var(--transition-slow);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: 0 var(--space-sm);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-gray-700);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-left-color: var(--color-accent);
  transform: translateX(2px);
}

.sidebar-nav a .nav-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-contact {
  margin-top: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--border-radius-lg);
  margin-left: var(--space-sm);
  margin-right: var(--space-sm);
  font-size: var(--text-xs);
  line-height: 1.7;
  text-align: center;
}

.sidebar-contact a {
  color: var(--color-accent-light);
  font-weight: 600;
}

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

.sidebar-contact .contact-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.sidebar-social {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: 0 var(--space-md);
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-200);
  color: var(--color-gray-600);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

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

.social-btn.facebook:hover {
  background: #1877F2;
  color: white;
}

.social-btn.twitter:hover {
  background: #1DA1F2;
  color: white;
}

/* --- MAIN CONTENT --- */
.main-content {
  flex: 1;
  padding: var(--space-xl);
  max-width: 100%;
  overflow-x: hidden;
}

/* Section Cards */
.section-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.section-card:hover {
  box-shadow: var(--shadow-md);
}

.section-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-header .icon {
  font-size: 1.2rem;
}

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

/* News items */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.news-item {
  padding: var(--space-md);
  border-left: 4px solid var(--color-primary);
  background: var(--color-gray-50);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  transition: all var(--transition-fast);
}

.news-item:hover {
  background: var(--color-gray-100);
  border-left-color: var(--color-accent);
  transform: translateX(4px);
}

.news-item a {
  font-weight: 600;
  font-size: var(--text-base);
}

/* Topics of interest */
.topics-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.topic-item {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.topic-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  background: var(--color-gray-50);
}

.topic-item a {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-secondary-light);
}

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

.topic-description {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.topic-item:hover .topic-description {
  max-height: 200px;
  opacity: 1;
}

/* Consultation Table */
.consultation-table-wrapper {
  overflow-x: auto;
  margin: var(--space-md) 0;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-200);
}

.consultation-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 600px;
}

.consultation-table thead {
  background: var(--color-secondary);
  color: var(--color-white);
}

.consultation-table th {
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  text-align: center;
  font-size: var(--text-sm);
  border-bottom: 2px solid var(--color-accent);
}

.consultation-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-gray-700);
}

.consultation-table tbody tr {
  transition: background var(--transition-fast);
}

.consultation-table tbody tr:hover {
  background: var(--color-gray-50);
}

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

.consultation-table tbody tr:nth-child(even):hover {
  background: var(--color-gray-100);
}

.consultation-note {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-gray-50);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  border-left: 4px solid var(--color-accent);
}

.consultation-note strong {
  color: var(--color-secondary);
}

.consultation-info {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  text-align: center;
  font-style: italic;
}

/* Partner logos */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  align-items: center;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  aspect-ratio: 16/10;
}

.partner-logo:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.partner-logo img {
  max-height: 80px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(20%);
  transition: filter var(--transition-base);
}

.partner-logo:hover img {
  filter: grayscale(0%);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-secondary-dark);
  color: var(--color-gray-400);
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  font-size: var(--text-xs);
  border-top: 3px solid var(--color-primary);
}

.site-footer a {
  color: var(--color-accent-light);
}

/* --- Sidebar Overlay for Mobile --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
  opacity: 1;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet (768px+) */
@media (min-width: 768px) {
  .header-top {
    padding: var(--space-md) var(--space-xl);
  }

  .header-brand img {
    height: 60px;
  }

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

  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .header-brand img {
    height: 65px;
  }

  .main-content {
    padding: var(--space-2xl) var(--space-3xl);
  }
}

/* Mobile (below 768px) */
@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: block;
  }

  .header-top {
    flex-wrap: nowrap;
  }

  .header-info {
    display: none;
  }

  .header-title {
    font-size: var(--text-lg);
  }

  .header-title .subtitle {
    display: none;
  }

  .header-nav {
    display: none;
  }

  .header-nav.mobile-open {
    display: block;
  }

  .header-nav ul {
    flex-direction: column;
  }

  .header-nav a {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
    background: var(--color-white);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .content-wrapper {
    flex-direction: column;
  }

  .main-content {
    padding: var(--space-md);
  }

  .section-body {
    padding: var(--space-md);
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .section-header {
    font-size: var(--text-lg);
    padding: var(--space-sm) var(--space-md);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .header-brand img:first-child {
    height: 35px;
  }

  .header-brand img:nth-child(2) {
    display: none;
  }

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

  .partner-logo img {
    max-height: 50px;
  }
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-justify { text-align: justify; }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mb-1 { margin-top: var(--space-md); }
.mb-2 { margin-top: var(--space-xl); }

/* Subpage content styling (for pages loaded in iframe or standalone) */
.subpage-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.subpage-content h1,
.subpage-content h2,
.subpage-content h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.subpage-content p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
  text-align: justify;
}

.subpage-content .page-title-bar {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-xl);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  text-align: center;
}

/* Scroll to top button */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 900;
}

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

.scroll-top-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}