/* ===== CLAUDE-INSPIRED DESIGN SYSTEM ===== */
/* Warm, minimalist aesthetic inspired by Anthropic/Claude */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Primary accent - Claude's warm terracotta */
  --accent: #C15F3C;
  --accent-hover: #d97757;
  --accent-light: rgba(193, 95, 60, 0.1);

  /* Backgrounds */
  --bg: #FAF9F6;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F5F4F1;

  /* Text colors */
  --text: #2D2D2D;
  --text-muted: #6B6B6B;
  --text-light: #999999;

  /* Borders and dividers */
  --border: #E5E5E5;
  --border-light: #EFEFEF;

  /* Cards */
  --card-bg: #FFFFFF;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
  --card-radius: 16px;

  /* Typography */
  --font-serif: 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* Dark mode */
[data-theme="dark"] {
  --bg: #1a1a1a;
  --bg-secondary: #242424;
  --bg-tertiary: #2a2a2a;

  --text: #E5E5E5;
  --text-muted: #999999;
  --text-light: #666666;

  --border: #333333;
  --border-light: #2a2a2a;

  --card-bg: #242424;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ===== GOOGLE FONTS IMPORT ===== */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+Pro:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ===== BASE RESETS FOR NEW LAYOUTS ===== */
.claude-layout {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

.claude-layout * {
  box-sizing: border-box;
}

/* ===== TYPOGRAPHY ===== */
.claude-layout h1,
.claude-layout h2,
.claude-layout h3,
.claude-layout h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin: 0;
}

.claude-layout h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.claude-layout h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.claude-layout h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.claude-layout p {
  margin: 0 0 var(--space-md);
  color: var(--text);
}

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

.claude-layout a:hover {
  color: var(--accent-hover);
}

/* ===== PORTRAIT STYLES ===== */
.claude-portrait {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.claude-portrait:hover {
  transform: scale(1.02);
  box-shadow: var(--card-shadow-hover);
}

/* Large portrait variant */
.claude-portrait--lg {
  width: 180px;
  height: 180px;
}

/* Small portrait variant */
.claude-portrait--sm {
  width: 100px;
  height: 100px;
}

/* ===== BUTTONS ===== */
.claude-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.claude-btn--primary {
  background-color: var(--accent);
  color: white;
  border: none;
}

.claude-btn--primary:hover {
  background-color: var(--accent-hover);
  color: white;
}

.claude-btn--secondary {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.claude-btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== CARDS ===== */
.claude-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.claude-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.claude-card--flat {
  box-shadow: none;
}

.claude-card--flat:hover {
  box-shadow: var(--card-shadow);
  transform: none;
}

/* ===== SECTION DIVIDERS ===== */
.claude-divider {
  height: 1px;
  background-color: var(--border);
  border: none;
  margin: var(--space-xl) 0;
}

/* ===== SOCIAL ICONS ===== */
.claude-socials {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.claude-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

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

.claude-social-link svg,
.claude-social-link i {
  width: 18px;
  height: 18px;
  font-size: 18px;
}

/* ===== NEWS LIST ===== */
.claude-news {
  list-style: none;
  padding: 0;
  margin: 0;
}

.claude-news li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

.claude-news li:last-child {
  border-bottom: none;
}

.claude-news-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-right: var(--space-sm);
}

.claude-news-event {
  color: var(--text);
}

/* ===== TAGS ===== */
.claude-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: 4px;
}

/* ===== THEME TOGGLE ===== */
.claude-theme-toggle {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
  z-index: 1000;
}

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

/* ===== SCROLL INDICATOR ===== */
.claude-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* ===== UTILITIES ===== */
.claude-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.claude-container--narrow {
  max-width: 680px;
}

.claude-container--medium {
  max-width: 900px;
}

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

.claude-text-muted {
  color: var(--text-muted);
}

.claude-mb-0 { margin-bottom: 0; }
.claude-mb-sm { margin-bottom: var(--space-sm); }
.claude-mb-md { margin-bottom: var(--space-md); }
.claude-mb-lg { margin-bottom: var(--space-lg); }
.claude-mb-xl { margin-bottom: var(--space-xl); }
.claude-mb-2xl { margin-bottom: var(--space-2xl); }

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 3rem;
  }

  .claude-portrait {
    width: 120px;
    height: 120px;
  }

  .claude-portrait--lg {
    width: 150px;
    height: 150px;
  }
}

/* ===== SECTION HEADERS ===== */
.claude-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.claude-section-header h2 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.claude-section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

/* ===== ARROW LINKS ===== */
.claude-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
}

.claude-arrow-link:hover {
  gap: var(--space-md);
}

.claude-arrow-link::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.claude-arrow-link:hover::after {
  transform: translateX(4px);
}