/* ============================================
   Reworr R. — Personal Website
   Clean, minimal, professional
   ============================================ */

/* CSS Variables */
:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-accent: #1e3a5f;
  --color-accent-light: #2d5a8b;
  --color-border: #e5e5e5;
  --color-code-bg: #f5f5f5;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

  --max-width: 1000px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 3.5rem;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

h3 {
  font-size: 1.25rem;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

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

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding: var(--spacing-md) 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.nav-logo {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
}

.nav-logo:hover {
  color: var(--color-accent);
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  text-align: center;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.05em;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  line-height: 1.8;
}

.hero-current {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Section */
.section {
  padding: var(--spacing-md) 0;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.card-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.3em 0.6em;
  background: var(--color-code-bg);
  border-radius: 4px;
  color: var(--color-text-secondary);
  transition: background 0.2s ease, color 0.2s ease;
}

.card-link:hover {
  background: var(--color-accent);
  color: white;
}

/* Press Logos */
.press {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.press-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.press-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Quick Links */
.quick-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0 var(--spacing-xl);
  flex-wrap: wrap;
}

.quick-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* Page Header */
.page-header {
  padding: var(--spacing-md) 0 var(--spacing-xs);
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

.page-header-description {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* Research List */
.research-section {
  margin-bottom: var(--spacing-lg);
}

.research-section h2 {
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.research-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.research-item:last-child {
  border-bottom: none;
}

.research-title {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
}

.research-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.research-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.research-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Story Timeline */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) - 4px);
  top: 0.5em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-content {
  color: var(--color-text-secondary);
}

.timeline-content p {
  margin-bottom: var(--spacing-sm);
}

.timeline-highlight {
  background: linear-gradient(120deg, rgba(30, 58, 95, 0.1) 0%, rgba(30, 58, 95, 0.05) 100%);
  padding: var(--spacing-md);
  border-radius: 6px;
  border-left: 3px solid var(--color-accent);
  margin: var(--spacing-md) 0;
}

/* Graveyard */
.graveyard-intro {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
}

.graveyard-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.graveyard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.graveyard-title {
  font-size: 1.15rem;
}

.graveyard-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3em 0.8em;
  border-radius: 20px;
  font-weight: 500;
}

.graveyard-status.paused {
  background: #fff3cd;
  color: #856404;
}

.graveyard-status.killed {
  background: #f8d7da;
  color: #721c24;
}

.graveyard-status.abandoned {
  background: var(--color-code-bg);
  color: var(--color-text-muted);
}

.graveyard-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.graveyard-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.graveyard-section {
  margin-bottom: var(--spacing-sm);
}

.graveyard-section strong {
  color: var(--color-text);
  font-weight: 600;
}

.graveyard-learned {
  background: var(--color-code-bg);
  padding: var(--spacing-md);
  border-radius: 6px;
  margin-top: var(--spacing-md);
}

.graveyard-learned strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

/* Contact */
.contact-content {
  max-width: 600px;
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  align-items: baseline;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  min-width: 80px;
}

.contact-value {
  font-size: 1rem;
}

.contact-cta {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.contact-cta p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* Footer */
.footer {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

/* Vulnerability Credits */
.vuln-list {
  list-style: none;
}

.vuln-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.vuln-list li:last-child {
  border-bottom: none;
}

.vuln-org {
  font-weight: 500;
}

.vuln-type {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-xxl: 2.5rem;
    --spacing-xl: 2rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-description {
    font-size: 1rem;
  }

  .press-logos {
    gap: var(--spacing-lg);
  }

  .timeline {
    padding-left: var(--spacing-lg);
  }

  .timeline-item::before {
    left: calc(-1 * var(--spacing-lg) - 4px);
  }

  .graveyard-header {
    flex-direction: column;
  }
}

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

  body {
    font-size: 12pt;
  }
}