/**
 * CONSOLIDATED MAIN.CSS - Phase 1 CSS Optimization
 * Foundation + Components Bundle
 * Generated: November 3, 2025
 */

/* =============================================================================
   FOUNDATION LAYER - CSS Variables & Base Styles
   ============================================================================= */

/* --- COLOR PALETTE (SCHEMA COMPLIANT) --- */
:root {
  /* Academic Earth Tones - Official Palette */
  --primary-color: #8B7355;            /* Warm Taupe */
  --secondary-color: #2c3e50;          /* Deep Slate */
  --accent-color: #D4A574;             /* Warm Gold */
  --bg-white: #ffffff;                 /* Background White */
  --bg-light: #f8f9fa;                 /* Background Off-White */
  
  /* Legacy aliases for gradual migration */
  --color-primary: var(--primary-color);
  --color-primary-dark: #6F5C4E;       /* Deep Umber */
  --color-secondary: var(--secondary-color);
  --color-background-main: var(--bg-white);
  --color-background-alt: var(--bg-light);
  --color-border: #dee2e6;
  --color-border-dark: #adb5bd;

  /* --- TYPOGRAPHY ROOT VARIABLES --- */
  --font-serif-headings: 'Lora', serif;
  --font-sans-body: 'Lato', sans-serif;
  --font-mono-code: 'Source Code Pro', monospace;
  --font-primary: var(--font-sans-body);
  --font-secondary: var(--font-serif-headings);

  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* --- GLOBAL BASE STYLES --- */
* {
  box-sizing: border-box;
}

body {
  background-color: var(--color-background-main);
  font-family: var(--font-sans-body);
  color: var(--color-text-body);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

/* --- TYPOGRAPHY APPLICATION --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif-headings);
  color: var(--color-text-heading);
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p, li, a, button {
  font-family: var(--font-sans-body);
  color: var(--color-text-body);
}

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

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

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

code, pre {
  font-family: var(--font-mono-code);
  background-color: var(--color-background-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  color: var(--color-text-body);
  white-space: pre-wrap;
}

pre {
  padding: var(--spacing-md);
  overflow-x: auto;
}

/* =============================================================================
   COMPONENT LAYER - Buttons
   ============================================================================= */

.btn,
button:not(.nav-button):not(.activity-nav-button) {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-primary);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

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

.btn:disabled,
button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  pointer-events: none;
}

/* SCHEMA COMPLIANT BUTTONS */

/* Primary Button - Secondary Color Background, White Text */
.btn-primary,
.primary-button {
  color: var(--bg-white) !important;
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  text-decoration: none;
}

.btn-primary:hover:not(:disabled),
.primary-button:hover:not(:disabled) {
  background-color: #34495e; /* Lighter Deep Slate */
  border-color: #34495e;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--bg-white) !important;
  text-decoration: none;
}

/* Secondary Button - White Background, Secondary Text */
.btn-secondary,
.secondary-button {
  color: var(--secondary-color);
  background-color: var(--bg-white);
  border: 1px solid var(--secondary-color);
  text-decoration: none;
}

.btn-secondary:hover:not(:disabled),
.secondary-button:hover:not(:disabled) {
  color: var(--bg-white);
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

/* =============================================================================
   COMPONENT LAYER - Navigation (Schema Compliant)
   ============================================================================= */

/* Site Header */
.site-header {
  position: relative;
  box-shadow: var(--shadow-sm);
}

.header-hero {
  background-image: url('/assets/images/cosmos_00001_.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.header-overlay {
  background: rgba(44, 62, 80, 0.75);
  padding: 2rem;
  width: 100%;
  text-align: center;
}

.site-title {
  margin: 0;
  font-family: var(--font-serif-headings);
  font-size: 2.5rem;
}

.site-title a {
  color: white;
  text-decoration: none;
  transition: color var(--transition-fast);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.site-title a:hover {
  color: var(--accent-color);
}

/* Main Navigation */
.site-nav {
  background: var(--secondary-color);
  padding: 0;
  position: relative;
  z-index: 1000;
}

.nav-panel {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  display: block;
  padding: 1rem 1.5rem;
  color: white !important;
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-bottom-color: var(--accent-color);
  text-decoration: none;
  color: white !important;
}

/* CTA Button in Navigation */
.nav-cta {
  margin-left: var(--spacing-md);
}

.nav-cta-button {
  background: var(--accent-color) !important;
  color: white !important; /* WHITE TEXT ON GOLD - HIGH CONTRAST */
  padding: 0.75rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: var(--font-weight-semibold) !important;
  border-bottom: 3px solid transparent !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast) !important;
}

.nav-cta-button:hover {
  background: #B8941F !important; /* DARKER GOLD FOR EVEN BETTER CONTRAST */
  color: white !important; /* KEEP WHITE TEXT */
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25) !important;
  border-bottom-color: transparent !important;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .header-hero {
    min-height: 150px;
  }
  
  .site-title {
    font-size: 1.75rem;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 0;
  }
  
  .nav-links a,
  .nav-cta-button {
    padding: 0.75rem 1rem;
    text-align: center;
    width: 100%;
  }
  
  .nav-cta {
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }
  
  .nav-cta-button {
    margin: var(--spacing-xs) var(--spacing-md);
    width: calc(100% - 2rem);
  }
}

/* =============================================================================
   FOOTER STYLES - B2B Sitemap Navigation
   ============================================================================= */

.site-footer {
  background: var(--secondary-color);
  color: white;
  margin-top: var(--spacing-xxl);
  border-top: 4px solid var(--accent-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

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

.footer-heading {
  color: var(--accent-color);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-serif-headings);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: var(--font-size-md);
}

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

.footer-cta {
  font-weight: var(--font-weight-semibold) !important;
  color: var(--accent-color) !important;
}

.footer-bottom {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  text-align: center;
  font-size: var(--font-size-md);
  color: white !important; /* FULL WHITE FOR READABILITY */
}

.footer-bottom p {
  color: white !important; /* ENSURE COPYRIGHT IS WHITE */
  margin-bottom: var(--spacing-sm);
}

.footer-bottom * {
  color: white !important; /* NUCLEAR OPTION: Force all footer bottom text white */
}

.footer-legal p {
  font-weight: var(--font-weight-medium);
  color: white !important; /* FIXED: Ensure legal text is white */
}

.footer-tech p {
  color: white !important; /* FIXED: Changed from rgba to solid white */
  font-style: italic;
}

.footer-license a {
  color: var(--color-accent-gold); /* FIXED: Use gold accent instead of brown */
  text-decoration: none;
}

.footer-license a:hover {
  text-decoration: underline;
  color: white; /* FIXED: White on hover for better readability */
}

@media (max-width: 768px) {
  .footer-nav {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-bottom {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

/* =============================================================================
   SCHEMA GRID AND CARD COMPONENTS - CRITICAL FOR LAYOUT STRUCTURE
   ============================================================================= */

.grid-3-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.card {
  background: var(--bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: box-shadow var(--transition-fast);
  /* Flexbox to ensure equal heights and button alignment */
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.card h3 {
  margin-top: 0;
}

.card p {
  flex-grow: 1; /* Push button to bottom */
  margin-bottom: var(--spacing-md);
}

.card .primary-button,
.card .secondary-button {
  margin-top: auto; /* Align to bottom */
  align-self: flex-start;
}

.card.recommended {
  border-color: var(--accent-color);
  border-width: 2px;
  position: relative;
}

/* Recommended badge - styled as inline tag above title */
.recommended-badge {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.content-wrapper {
  padding: var(--spacing-xl) 0;
}

.hero-section {
  background: linear-gradient(135deg, #6F5C4E, #8B7355); /* Schema Brown Gradient */
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.hero-section h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
  font-family: var(--font-serif-headings);
}

.hero-subhead {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-family: var(--font-sans-body);
  color: white !important; /* FIXED: Ensure subhead is white for readability */
}

/* =============================================================================
   COMPONENT LAYER - Navigation (Clean Version)
   ============================================================================= */

/* Quick Finder styles */
.ccf { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.75rem; 
  align-items: center; 
}

.ccf-label { 
  font-weight: 600; 
}

.ccf-select { 
  min-width: 220px; 
  padding: 0.35rem 0.5rem; 
}

.ccf-go { 
  padding: 0.4rem 0.8rem; 
}

.ccf select:focus, 
.ccf button:focus { 
  outline: 2px solid var(--color-secondary); 
  outline-offset: 2px; 
}

/* Site Navigation - Schema Compliant */
.site-nav {
  background: var(--secondary-color); /* Deep Slate #2c3e50 */
  padding: var(--spacing-sm) 0;
}

.nav-panel {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-item a,
.nav-item a:link,
.nav-item a:visited {
  color: var(--bg-white) !important; /* Force white text for contrast */
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  font-family: var(--font-sans-body); /* Schema: Lato for UI */
}

.nav-item a:hover,
.nav-item a:focus {
  background-color: rgba(255, 255, 255, 0.15); /* Slightly more visible hover */
  text-decoration: none;
  color: var(--bg-white) !important; /* Maintain white on hover */
}

/* Dropdown Navigation */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) 0;
  z-index: 1000;
  margin-top: var(--spacing-xs);
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-item a {
  color: var(--color-text-body) !important;
  padding: var(--spacing-sm) var(--spacing-md);
  display: block;
  font-weight: var(--font-weight-normal);
}

.dropdown-item a:hover {
  background-color: var(--color-background-alt);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-panel {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-links {
    flex-direction: column;
    width: 100%;
    text-align: center;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    background: var(--color-background-alt);
    margin-top: 0;
  }
}

/* =============================================================================
   LAYOUT UTILITIES
   ============================================================================= */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

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

/* =============================================================================
   RESPONSIVE BREAKPOINTS (Standardized)
   ============================================================================= */

/* Desktop */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
}

/* Tablet */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

/* Mobile */
@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .btn,
  button {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
}