/*
Theme Name: Skunkworks Modern
Theme URI: https://starkskunkworks.com
Description: Modern, professional theme for Stark Research Labs Skunkworks Division with security classification features
Version: 1.0.0
Author: SRL IT Department
Author URI: https://starkskunkworks.com
License: Proprietary
Text Domain: skunkworks-modern

Color Palette:
- Primary Navy: #0A2540
- Accent Blue: #1E5A8E
- Light Blue: #4A90E2
- Alert Red: #D32F2F
- Warning Yellow: #F9A825
- Classification Gold: #FFB300
- Success Green: #388E3C
- Neutral Gray: #64748B
- Light Gray: #F8FAFC
- White: #FFFFFF
*/

/* ============================================================================
   CSS RESET & BASE STYLES
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --color-primary: #0A2540;
  --color-accent: #1E5A8E;
  --color-light-blue: #4A90E2;
  --color-alert: #D32F2F;
  --color-warning: #F9A825;
  --color-classification: #FFB300;
  --color-success: #388E3C;
  --color-gray: #64748B;
  --color-light-gray: #F8FAFC;
  --color-white: #FFFFFF;
  --color-text: #1E293B;
  --color-text-light: #475569;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

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

  /* Borders */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

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

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-light-gray);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

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

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

a:hover {
  color: var(--color-light-blue);
  text-decoration: underline;
}

strong, b {
  font-weight: 600;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-light-gray);
  padding: 0.125rem 0.375rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid #E2E8F0;
}

/* ============================================================================
   LAYOUT STRUCTURE
   ============================================================================ */

.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-wide {
  max-width: 1400px;
}

.container-narrow {
  max-width: 800px;
}

/* ============================================================================
   SECURITY BANNER (Top Alert)
   ============================================================================ */

.security-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-align: center;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 100;
}

/* ============================================================================
   HEADER
   ============================================================================ */

.site-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #061829 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 99;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.site-logo img {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  transition: transform var(--transition-base);
}

.site-logo img:hover {
  transform: scale(1.05);
}

.site-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--color-white);
}

.site-title a {
  color: var(--color-white);
  text-decoration: none;
}

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

.site-subtitle {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
  margin-top: 0.25rem;
}

.header-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
}

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

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.main-navigation {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-menu {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0;
  margin: 0;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--color-light-blue);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after {
  width: 80%;
}

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

.nav-menu .current-menu-item a {
  color: var(--color-light-blue);
  font-weight: 600;
}

/* ============================================================================
   CLASSIFICATION BADGES
   ============================================================================ */

.classification-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
}

.classification-badge.classified {
  background: linear-gradient(135deg, var(--color-classification) 0%, #F57F17 100%);
  color: var(--color-primary);
  border: 2px solid #F57F17;
}

.classification-badge.secret {
  background: linear-gradient(135deg, var(--color-alert) 0%, #B71C1C 100%);
  color: var(--color-white);
  border: 2px solid #B71C1C;
}

.classification-badge.confidential {
  background: linear-gradient(135deg, var(--color-accent) 0%, #0D3A5F 100%);
  color: var(--color-white);
  border: 2px solid #0D3A5F;
}

/* ============================================================================
   NOTICE BOXES
   ============================================================================ */

.notice-box {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.notice-box-title {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.notice-box.classification {
  background: linear-gradient(135deg, #FFF9C4 0%, #FFF59D 100%);
  border-color: var(--color-classification);
  color: var(--color-primary);
}

.notice-box.security {
  background: linear-gradient(135deg, #FFEBEE 0%, #FFCDD2 100%);
  border-color: var(--color-alert);
  color: #B71C1C;
}

.notice-box.info {
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
  border-color: var(--color-accent);
  color: #0D47A1;
}

/* ============================================================================
   CONTENT CARDS
   ============================================================================ */

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.post-card,
.content-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid #E2E8F0;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.post-card-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: var(--spacing-lg);
  position: relative;
}

.post-card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-light-blue), var(--color-classification));
}

.post-title {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-white);
  font-size: 1.75rem;
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  flex-wrap: wrap;
}

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

.post-card-body {
  padding: var(--spacing-lg);
}

.post-content {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
}

.post-content p:last-child {
  margin-bottom: 0;
}

.post-card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-light-gray);
  border-top: 1px solid #E2E8F0;
}

.post-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-white);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.05);
}

/* ============================================================================
   SIDEBAR
   ============================================================================ */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.widget {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid #E2E8F0;
}

.widget-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-light-blue);
  color: var(--color-primary);
}

.widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget ul li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid #F1F5F9;
}

.widget ul li:last-child {
  border-bottom: none;
}

.widget ul li a {
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.widget ul li a::before {
  content: '→';
  color: var(--color-accent);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.widget ul li a:hover {
  color: var(--color-accent);
  padding-left: var(--spacing-xs);
  text-decoration: none;
}

.widget ul li a:hover::before {
  transform: translateX(4px);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.site-footer {
  background: linear-gradient(135deg, var(--color-primary) 0%, #000000 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
  margin-top: auto;
}

.footer-widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto var(--spacing-xl);
}

.footer-widget h3 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-light-blue);
}

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

.footer-widget ul li {
  padding: var(--spacing-xs) 0;
}

.footer-widget ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-widget ul li a:hover {
  color: var(--color-light-blue);
  padding-left: var(--spacing-xs);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Legacy classification footer - no longer used for public site */

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  color: var(--color-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }

  .header-main {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

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

  .nav-menu {
    flex-direction: column;
    width: 100%;
  }

  .nav-menu a {
    width: 100%;
    text-align: center;
  }

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

  .footer-widgets {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

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

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

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