/* ============================================
   Elle's Personal Website - Design System
   Ostentatious & Grand Theme
   Gold, Sun Yellows, Forest Greens, Sea Blues
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Background Palette - Warm Navy */
  --color-bg-primary: #0d1421;
  --color-bg-secondary: #141e2b;
  --color-bg-tertiary: #1a2836;
  --color-bg-elevated: #213040;
  --color-bg-hover: #2a3d4f;

  /* Primary Accent: Gold Spectrum */
  --color-accent-gold: #f0c14b;
  --color-accent-gold-light: #ffe082;
  --color-accent-gold-dark: #b8860b;
  --color-accent-gold-muted: rgba(240, 193, 75, 0.15);
  --color-accent-gold-glow: rgba(240, 193, 75, 0.4);

  /* Secondary Accent: Sun Yellow */
  --color-sun-yellow: #f5d76e;
  --color-sun-yellow-muted: rgba(245, 215, 110, 0.15);
  --color-sun-yellow-glow: rgba(245, 215, 110, 0.4);

  /* Tertiary Accent: Forest Green */
  --color-forest-green: #2d5a3d;
  --color-forest-green-light: #3d7a52;
  --color-emerald: #50c878;
  --color-emerald-muted: rgba(80, 200, 120, 0.15);
  --color-emerald-glow: rgba(80, 200, 120, 0.4);

  /* Quaternary Accent: Sea Blue */
  --color-sea-blue: #1e6091;
  --color-sea-blue-light: #4da6d9;
  --color-teal: #3d9eb5;
  --color-teal-muted: rgba(61, 158, 181, 0.15);
  --color-teal-glow: rgba(61, 158, 181, 0.4);

  /* Warm Accent: Coral */
  --color-coral: #e07850;
  --color-coral-muted: rgba(224, 120, 80, 0.15);

  /* Text colors */
  --color-text-primary: #f5f5f8;
  --color-text-secondary: #b0b8c4;
  --color-text-tertiary: #7a8594;
  --color-text-muted: #505a68;

  /* Semantic colors */
  --color-success: #50c878;
  --color-error: #e85d5d;
  --color-info: #4da6d9;

  /* Borders */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-border-gold: rgba(240, 193, 75, 0.3);
  --color-border-green: rgba(80, 200, 120, 0.3);
  --color-border-blue: rgba(77, 166, 217, 0.3);
  --color-border-yellow: rgba(245, 215, 110, 0.3);

  /* Gradient definitions */
  --gradient-gold: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-light) 100%);
  --gradient-multi: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-emerald) 50%, var(--color-sea-blue-light) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-text-primary) 50%, var(--color-accent-gold-light) 100%);

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

  /* Font sizes - fluid typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-content: 800px;
  --nav-height: 70px;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
  --shadow-glow-gold: 0 0 30px var(--color-accent-gold-glow);
  --shadow-glow-green: 0 0 30px var(--color-emerald-glow);
  --shadow-glow-blue: 0 0 30px var(--color-teal-glow);
  --shadow-glow-yellow: 0 0 30px var(--color-sun-yellow-glow);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
}

/* Rich ambient background with multiple color accents */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(240, 193, 75, 0.06) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 20%, rgba(80, 200, 120, 0.04) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(77, 166, 217, 0.04) 0%, transparent 45%),
    radial-gradient(ellipse at 90% 90%, rgba(240, 193, 75, 0.03) 0%, transparent 35%);
  z-index: -1;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text-primary);
}

/* ============================================
   Site Container
   ============================================ */
.site-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  padding-top: calc(var(--nav-height) + var(--space-8));
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(13, 20, 33, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

/* Gradient accent line under nav */
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-accent-gold) 20%,
    var(--color-emerald) 50%,
    var(--color-sea-blue-light) 80%,
    transparent 100%
  );
  opacity: 0.6;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  transition: all var(--transition-base);
}

.nav-logo:hover {
  text-shadow: 0 0 20px var(--color-accent-gold-glow);
}

.logo-accent {
  color: var(--color-accent-gold);
  font-size: 1.5em;
  line-height: 0;
  text-shadow: 0 0 10px var(--color-accent-gold-glow);
}

.nav-links {
  display: flex;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}

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

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.nav-link:hover::after {
  width: 60%;
}

.nav-link.active {
  color: var(--color-accent-gold);
  background: var(--color-accent-gold-muted);
}

.nav-link.active::after {
  width: 80%;
  background: var(--color-accent-gold);
  box-shadow: 0 0 10px var(--color-accent-gold-glow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-secondary);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-links-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: none;
  padding: var(--space-16) var(--space-6) var(--space-8);
  margin-top: var(--space-20);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-accent-gold) 15%,
    var(--color-emerald) 40%,
    var(--color-sea-blue-light) 60%,
    var(--color-accent-gold) 85%,
    transparent 100%
  );
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-12);
}

.footer-section h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.footer-section a {
  display: block;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent-gold);
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-6);
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-gold-dark) 0%, var(--color-accent-gold) 50%, var(--color-accent-gold-light) 100%);
  background-size: 200% 200%;
  color: var(--color-bg-primary);
  box-shadow: 0 2px 10px var(--color-accent-gold-glow);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover {
  background-position: 100% 100%;
  color: var(--color-bg-primary);
  box-shadow: 0 4px 20px var(--color-accent-gold-glow);
  transform: translateY(-1px);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid transparent;
  position: relative;
}

.btn-secondary::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-border) 0%, var(--color-accent-gold) 50%, var(--color-border) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-secondary:hover::after {
  opacity: 1;
  background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-emerald) 50%, var(--color-sea-blue-light) 100%);
}

/* ============================================
   Page Headers
   ============================================ */
.page-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.page-header h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: calc(100vh - var(--nav-height) - var(--space-16));
  display: flex;
  align-items: center;
  padding: var(--space-8) 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}

.hero-greeting {
  display: block;
  color: var(--color-accent-gold);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.hero-name {
  font-size: var(--text-5xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  background: linear-gradient(
    135deg,
    var(--color-accent-gold) 0%,
    var(--color-text-primary) 40%,
    var(--color-accent-gold-light) 70%,
    var(--color-emerald) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 80px var(--color-accent-gold-glow);
  animation: shimmer-text 8s ease-in-out infinite;
}

@keyframes shimmer-text {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.1); }
}

.hero-tagline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.hero-highlight {
  color: var(--color-accent-gold);
  font-style: italic;
  text-shadow: 0 0 20px var(--color-accent-gold-glow);
}

.hero-description {
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
}

/* Hero Visual - Animated Orbit */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-orbit {
  position: relative;
  width: 350px;
  height: 350px;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--color-border);
}

.orbit-ring-1 {
  width: 100%;
  height: 100%;
  border-color: var(--color-accent-gold);
  box-shadow:
    0 0 20px var(--color-accent-gold-glow),
    inset 0 0 20px var(--color-accent-gold-glow);
  animation: orbit-spin 20s linear infinite, orbit-pulse-gold 4s ease-in-out infinite;
}

.orbit-ring-2 {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border-color: var(--color-emerald);
  box-shadow:
    0 0 15px var(--color-emerald-glow),
    inset 0 0 15px var(--color-emerald-glow);
  animation: orbit-spin 15s linear infinite reverse, orbit-pulse-green 4s ease-in-out infinite 0.5s;
}

.orbit-ring-3 {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  border-color: var(--color-sea-blue-light);
  box-shadow:
    0 0 10px var(--color-teal-glow),
    inset 0 0 10px var(--color-teal-glow);
  animation: orbit-spin 10s linear infinite, orbit-pulse-blue 4s ease-in-out infinite 1s;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, var(--color-accent-gold-muted) 0%, var(--color-bg-elevated) 70%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    var(--shadow-glow-gold),
    0 0 60px var(--color-accent-gold-glow),
    inset 0 0 30px rgba(240, 193, 75, 0.2);
  animation: center-pulse 3s ease-in-out infinite;
}

.orbit-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 10px var(--color-accent-gold-glow));
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes orbit-pulse-gold {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes orbit-pulse-green {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.9; }
}

@keyframes orbit-pulse-blue {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.85; }
}

@keyframes center-pulse {
  0%, 100% {
    box-shadow:
      var(--shadow-glow-gold),
      0 0 60px var(--color-accent-gold-glow),
      inset 0 0 30px rgba(240, 193, 75, 0.2);
  }
  50% {
    box-shadow:
      0 0 50px var(--color-accent-gold-glow),
      0 0 100px var(--color-accent-gold-glow),
      inset 0 0 40px rgba(240, 193, 75, 0.3);
  }
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin: 0 auto var(--space-8);
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    margin-bottom: var(--space-8);
  }

  .hero-orbit {
    width: 250px;
    height: 250px;
  }
}

/* ============================================
   Home Cards
   ============================================ */
.home-sections {
  padding: var(--space-16) 0;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.home-card {
  display: block;
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
}

.home-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-multi);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.home-card:hover {
  background: var(--color-bg-tertiary);
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.home-card:hover::before {
  opacity: 1;
}

.home-card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-gold-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent-gold);
  transition: all var(--transition-base);
}

.home-card:hover .home-card-icon {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-gold);
}

/* Color-coded card types */
.home-card-projects .home-card-icon {
  background: var(--color-emerald-muted);
  color: var(--color-emerald);
}

.home-card-projects:hover .home-card-icon {
  background: var(--color-emerald);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-green);
}

.home-card-projects::before {
  background: linear-gradient(135deg, var(--color-emerald), var(--color-forest-green-light));
}

.home-card-research .home-card-icon {
  background: var(--color-teal-muted);
  color: var(--color-sea-blue-light);
}

.home-card-research:hover .home-card-icon {
  background: var(--color-sea-blue-light);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-blue);
}

.home-card-research::before {
  background: linear-gradient(135deg, var(--color-sea-blue-light), var(--color-teal));
}

.home-card-blog .home-card-icon {
  background: var(--color-sun-yellow-muted);
  color: var(--color-sun-yellow);
}

.home-card-blog:hover .home-card-icon {
  background: var(--color-sun-yellow);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-yellow);
}

.home-card-blog::before {
  background: linear-gradient(135deg, var(--color-sun-yellow), var(--color-accent-gold));
}

.home-card-apps .home-card-icon {
  background: var(--color-accent-gold-muted);
  color: var(--color-accent-gold);
}

.home-card-apps:hover .home-card-icon {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-gold);
}

.home-card-apps::before {
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-light));
}

.home-card h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.home-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.home-card-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-gold);
  font-size: var(--text-sm);
  font-weight: 500;
}

@media (max-width: 768px) {
  .home-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Tech Stack Section
   ============================================ */
.home-tech {
  text-align: center;
  padding: var(--space-16) 0;
}

.home-tech h2 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
}

.tech-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.tech-item {
  padding: var(--space-3) var(--space-6);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 15px var(--color-accent-gold-glow);
}

.tech-item:nth-child(3n+1):hover {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 15px var(--color-accent-gold-glow);
}

.tech-item:nth-child(3n+2):hover {
  border-color: var(--color-emerald);
  box-shadow: 0 0 15px var(--color-emerald-glow);
}

.tech-item:nth-child(3n):hover {
  border-color: var(--color-sea-blue-light);
  box-shadow: 0 0 15px var(--color-teal-glow);
}

.tech-name {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.tech-item:hover .tech-name {
  color: var(--color-text-primary);
}

/* ============================================
   Project Cards
   ============================================ */
.projects-page {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.projects-grid {
  display: grid;
  gap: var(--space-6);
}

.projects-grid-featured {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.projects-featured,
.projects-other {
  margin-bottom: var(--space-12);
}

.projects-featured h2,
.projects-other h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}

.project-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-emerald), var(--color-sea-blue-light));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
  pointer-events: none;
}

.project-card:hover {
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--color-accent-gold-glow);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card.featured {
  border-color: var(--color-accent-gold);
}

.project-card.featured::before {
  opacity: 0.5;
}

.project-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card-content {
  padding: var(--space-6);
}

.project-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.project-card-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.project-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tech-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.project-card-links {
  display: flex;
  gap: var(--space-4);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--color-accent-gold);
}

.project-link-live {
  color: var(--color-accent-gold);
}

/* ============================================
   Research / Infographic Gallery
   ============================================ */
.research-page {
  max-width: var(--max-width);
}

.infographic-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.infographic-card {
  display: block;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
}

.infographic-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.infographic-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

.infographic-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.infographic-card:hover .infographic-card-image img {
  transform: scale(1.05);
}

.infographic-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.infographic-card:hover .infographic-card-overlay {
  opacity: 1;
}

.infographic-card-view {
  color: var(--color-accent-gold);
  font-weight: 500;
}

.infographic-card-content {
  padding: var(--space-5);
}

.infographic-card-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-2);
}

.infographic-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.infographic-card-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.infographic-card-tags {
  display: flex;
  gap: var(--space-2);
}

.infographic-tag {
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ============================================
   Blog
   ============================================ */
.blog-page {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.blog-filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  justify-content: center;
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-hover);
}

.filter-btn.active {
  background: var(--color-accent-gold-muted);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.blog-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.blog-card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-tertiary);
}

.blog-card-link {
  display: block;
  padding: var(--space-6);
  text-decoration: none;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.blog-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
}

.blog-card-date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.blog-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--color-accent-gold);
}

.blog-card-excerpt {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.blog-card-read-more {
  color: var(--color-accent-gold);
  font-size: var(--text-sm);
  font-weight: 500;
}

.blog-empty {
  text-align: center;
  color: var(--color-text-tertiary);
  padding: var(--space-12);
}

/* ============================================
   Post Page
   ============================================ */
.post-page {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.post-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.post-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-4);
}

.post-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.post-meta {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.post-content {
  line-height: 1.8;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.post-content h1 { font-size: var(--text-3xl); }
.post-content h2 { font-size: var(--text-2xl); }
.post-content h3 { font-size: var(--text-xl); }

.post-content p {
  margin-bottom: var(--space-5);
  color: var(--color-text-secondary);
}

.post-content li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-secondary);
}

.post-content li::before {
  content: '•';
  position: absolute;
  left: var(--space-2);
  color: var(--color-accent-gold);
}

.post-content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.post-content pre {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  margin: var(--space-6) 0;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.post-footer {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.post-comments {
  margin-top: var(--space-12);
}

.post-comments h2 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

/* Forum Discussion CTA */
.post-discussion {
  margin-top: var(--space-12);
}

.post-discussion h2 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.discussion-cta {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-elevated) 100%);
  border: 1px solid var(--color-accent-gold-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
}

.discussion-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  font-size: var(--text-base);
  line-height: 1.6;
}

.btn-forum {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
}

.btn-forum .btn-icon {
  transition: transform 0.2s ease;
}

.btn-forum:hover .btn-icon {
  transform: translateX(4px);
}

/* ============================================
   Comments
   ============================================ */
.comment-thread {
  margin-bottom: var(--space-8);
}

.comment-empty {
  color: var(--color-text-tertiary);
  font-style: italic;
  text-align: center;
  padding: var(--space-8);
}

.comment {
  padding: var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.comment-depth-1 { margin-left: var(--space-8); }
.comment-depth-2 { margin-left: var(--space-16); }
.comment-depth-3 { margin-left: var(--space-20); }

.comment-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.comment-author {
  font-weight: 600;
  color: var(--color-text-primary);
}

.comment-date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.comment-content {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Comment Form */
.comment-form-container {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.comment-form-title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-gold);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.comment-success {
  padding: var(--space-4);
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-success);
  text-align: center;
}

.comment-error {
  padding: var(--space-3);
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: var(--text-sm);
}

/* ============================================
   Apps Page
   ============================================ */
.apps-page {
  max-width: var(--max-width);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.app-card {
  display: block;
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-base);
}

.app-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.app-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-accent-gold-muted);
  border-radius: var(--radius-lg);
  color: var(--color-accent-gold);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

.app-card:hover .app-card-icon {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
}

.app-card h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.app-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.app-card-link {
  color: var(--color-accent-gold);
  font-size: var(--text-sm);
  font-weight: 500;
}

.apps-info {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.apps-info h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.apps-info p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.apps-info p:last-child {
  margin-bottom: 0;
}

/* App Page (individual) */
.app-page {
  max-width: var(--max-width);
}

.app-page-header {
  margin-bottom: var(--space-8);
}

.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent-gold);
}

.app-page-header h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.app-page-header p {
  color: var(--color-text-secondary);
}

.app-page-info {
  margin-top: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.app-page-info h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.app-page-info ul {
  list-style: none;
}

.app-page-info li {
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-secondary);
}

.app-page-info li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent-gold);
}

/* ============================================
   Tools Page
   ============================================ */
.tools-page {
  max-width: var(--max-width);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.tool-card {
  display: block;
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-base);
}

.tool-card:hover {
  border-color: var(--color-border-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 30px var(--color-teal-glow);
}

.tool-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-teal-muted);
  border-radius: var(--radius-lg);
  color: var(--color-teal);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

.tool-card:hover .tool-card-icon {
  background: var(--color-teal);
  color: var(--color-bg-primary);
}

.tool-card h3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.tool-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.tool-card-link {
  color: var(--color-teal);
  font-size: var(--text-sm);
  font-weight: 500;
}

.tools-info {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.tools-info h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.tools-info p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.tools-info p:last-child {
  margin-bottom: 0;
}

/* Tool Page (individual) */
.tool-page {
  max-width: var(--max-width);
}

.tool-page-header {
  margin-bottom: var(--space-8);
}

.tool-page-header h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.tool-page-header p {
  color: var(--color-text-secondary);
}

.voice-tool-container {
  margin-bottom: var(--space-8);
}

.voice-tool-frame {
  width: 100%;
  min-height: 600px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-secondary);
}

.tool-page-info {
  margin-top: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.tool-page-info h2 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.info-card {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.info-card h3 {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-teal);
}

.info-card ul {
  list-style: none;
}

.info-card li {
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.info-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-teal);
}

/* ============================================
   WASM Embed
   ============================================ */
.wasm-embed {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.wasm-embed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.wasm-embed-title {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  margin: 0;
}

.wasm-embed-fullscreen {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.wasm-embed-fullscreen:hover {
  background: var(--color-bg-hover);
  color: var(--color-accent-gold);
}

.wasm-embed-container {
  position: relative;
  min-height: 400px;
}

.wasm-embed-iframe {
  display: block;
  border: none;
  width: 100%;
  height: 100%;
}


.wasm-embed-loading,
.wasm-embed-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: var(--color-bg-tertiary);
  z-index: 10;
}

/* CSS fallback: fade out loading overlay after 4 seconds if JS event doesn't fire */
.wasm-embed-loading {
  animation: wasm-loading-fadeout 0.5s ease-out 4s forwards;
}

@keyframes wasm-loading-fadeout {
  to {
    opacity: 0;
    pointer-events: none;
  }
}

.wasm-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.wasm-loading-hint {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.wasm-embed-error {
  color: var(--color-text-secondary);
}

/* ============================================
   About Page
   ============================================ */
.about-page {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.about-lead {
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.about-interests h2,
.about-philosophy h2,
.about-connect h2 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
}

.interest-card {
  padding: var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.interest-card h3 {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-accent-gold);
}

.interest-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.about-quote {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text-primary);
  padding: var(--space-6);
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.about-philosophy p {
  color: var(--color-text-secondary);
}

.about-connect p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.connect-links {
  display: flex;
  gap: var(--space-4);
}

.connect-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.connect-link:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

/* ============================================
   404 Not Found
   ============================================ */
.not-found {
  text-align: center;
  padding: var(--space-20) var(--space-4);
}

.not-found h1 {
  font-size: var(--text-5xl);
  color: var(--color-accent-gold);
  margin-bottom: var(--space-4);
}

.not-found p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.post-not-found {
  text-align: center;
  padding: var(--space-16);
}

.post-not-found h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.post-not-found p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

/* ============================================
   Utilities
   ============================================ */
.hidden {
  display: none !important;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-hover);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

/* Selection */
::selection {
  background: var(--color-accent-gold-muted);
  color: var(--color-text-primary);
}

/* ============================================
   Subtle UI Effects & Micro-Interactions
   ============================================ */

/* Cursor glow effect - follows cursor on page */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(240, 193, 75, 0.08) 0%,
    rgba(240, 193, 75, 0.03) 30%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cursor-glow.active {
  opacity: 1;
}

/* Card hover lift effect */
.project-card,
.infographic-card,
.blog-card {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.project-card:hover,
.infographic-card:hover,
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.3),
    0 0 0 1px var(--color-border-hover);
}

/* Button press effect */
.btn {
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

/* Link underline animation */
.post-content a,
.about-content a {
  position: relative;
  text-decoration: none;
}

.post-content a::after,
.about-content a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-gold);
  transition: width var(--transition-base) ease;
}

.post-content a:hover::after,
.about-content a:hover::after {
  width: 100%;
}

/* Nav link glow on hover */
.nav-link:hover {
  text-shadow: 0 0 12px var(--color-accent-gold-glow);
}

/* Hero text shimmer effect */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.hero-title {
  background: linear-gradient(
    90deg,
    var(--color-text-primary) 0%,
    var(--color-text-primary) 40%,
    var(--color-accent-gold-light) 50%,
    var(--color-text-primary) 60%,
    var(--color-text-primary) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 8s linear infinite;
}

/* Tag hover pop */
.blog-tag,
.tag,
.tech-tag {
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.blog-tag:hover,
.tag:hover,
.tech-tag:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Smooth image load-in */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.infographic-hero img,
.post-hero img {
  animation: fadeInUp 0.6s ease forwards;
}

/* Input focus glow */
input:focus,
textarea:focus {
  box-shadow:
    0 0 0 3px var(--color-accent-gold-muted),
    0 0 20px rgba(240, 193, 75, 0.1);
}

/* Floating particles background (optional enhancement) */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* Gradient border animation for featured items */
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.featured .project-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(
    90deg,
    var(--color-accent-gold),
    var(--color-emerald),
    var(--color-sea-blue-light),
    var(--color-accent-gold)
  );
  background-size: 300% 100%;
  animation: gradientMove 6s ease infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.featured .project-card:hover::before {
  opacity: 0.5;
}

/* Staggered card entrance */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.projects-grid .project-card,
.infographic-gallery .infographic-card,
.blog-grid .blog-card {
  animation: slideInUp 0.5s ease forwards;
  opacity: 0;
}

.projects-grid .project-card:nth-child(1) { animation-delay: 0.1s; }
.projects-grid .project-card:nth-child(2) { animation-delay: 0.2s; }
.projects-grid .project-card:nth-child(3) { animation-delay: 0.3s; }
.projects-grid .project-card:nth-child(4) { animation-delay: 0.4s; }
.projects-grid .project-card:nth-child(5) { animation-delay: 0.5s; }
.projects-grid .project-card:nth-child(6) { animation-delay: 0.6s; }

.infographic-gallery .infographic-card:nth-child(1) { animation-delay: 0.1s; }
.infographic-gallery .infographic-card:nth-child(2) { animation-delay: 0.15s; }
.infographic-gallery .infographic-card:nth-child(3) { animation-delay: 0.2s; }
.infographic-gallery .infographic-card:nth-child(4) { animation-delay: 0.25s; }
.infographic-gallery .infographic-card:nth-child(5) { animation-delay: 0.3s; }
.infographic-gallery .infographic-card:nth-child(6) { animation-delay: 0.35s; }
.infographic-gallery .infographic-card:nth-child(7) { animation-delay: 0.4s; }
.infographic-gallery .infographic-card:nth-child(8) { animation-delay: 0.45s; }

.blog-grid .blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-grid .blog-card:nth-child(2) { animation-delay: 0.15s; }
.blog-grid .blog-card:nth-child(3) { animation-delay: 0.2s; }
.blog-grid .blog-card:nth-child(4) { animation-delay: 0.25s; }
.blog-grid .blog-card:nth-child(5) { animation-delay: 0.3s; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-title {
    animation: none;
    background: none;
    -webkit-text-fill-color: var(--color-text-primary);
  }

  .cursor-glow {
    display: none;
  }
}

/* ============================================
   Voice App Page
   ============================================ */
.voice-page {
  max-width: var(--max-width);
}

.voice-app-container {
  margin: var(--space-8) 0;
}

.voice-recorder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-12);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.record-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  width: 160px;
  height: 160px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.record-button:hover:not(:disabled) {
  border-color: var(--color-accent-gold);
  transform: scale(1.05);
  box-shadow: 0 0 40px var(--color-accent-gold-glow);
}

.record-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.record-button.recording {
  border-color: var(--color-error);
  background: linear-gradient(135deg, rgba(232, 93, 93, 0.2) 0%, var(--color-bg-elevated) 100%);
  animation: pulse-recording 1.5s ease-in-out infinite;
}

.record-button.processing {
  border-color: var(--color-accent-gold);
}

@keyframes pulse-recording {
  0%, 100% {
    box-shadow: 0 0 20px rgba(232, 93, 93, 0.4);
  }
  50% {
    box-shadow: 0 0 40px rgba(232, 93, 93, 0.7);
  }
}

.mic-icon {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.record-button:hover .mic-icon,
.record-button.recording .mic-icon {
  color: var(--color-accent-gold);
}

.record-button.recording .mic-icon {
  color: var(--color-error);
}

.record-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.recording-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-error);
  font-weight: 500;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--color-error);
  border-radius: 50%;
  animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.processing-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-accent-gold);
  font-weight: 500;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-accent-gold-muted);
  border-top-color: var(--color-accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-message {
  padding: var(--space-4) var(--space-6);
  background: rgba(232, 93, 93, 0.15);
  border: 1px solid rgba(232, 93, 93, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: var(--text-sm);
}

.transcription-result {
  width: 100%;
  max-width: 600px;
}

.transcription-result h3 {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-accent-gold);
}

.transcription-text {
  padding: var(--space-6);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  min-height: 100px;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-button:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

.copy-button.copied {
  border-color: var(--color-success);
  color: var(--color-success);
  background: rgba(80, 200, 120, 0.1);
}