@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

    --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  --brand-indigo: #6366f1;
  --brand-cyan: #06b6d4;
  --brand-purple: #a855f7;
  --brand-emerald: #10b981;
  --brand-amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px -4px rgba(99, 102, 241, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(0, 0, 0, 0.02);

  --border-color: rgba(15, 23, 42, 0.08);
  --border-focus: #4f46e5;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #0284c7;

  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
  --gradient-card: linear-gradient(180deg, rgba(0, 0, 0, 0.01) 0%, rgba(0, 0, 0, 0.03) 100%);

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 20px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px -2px rgba(99, 102, 241, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 600px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.navbar-wrapper {
  position: sticky;
  top: 16px;
  z-index: 100;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-brand .brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-brand);
  color: white;
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.mobile-only,
.btn-icon.mobile-only {
  display: none !important;
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 20px 80px 20px;
  position: relative;
  z-index: 1;
}

.hero {
  padding: 40px 0 60px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  color: var(--brand-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.hero-status .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--brand-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-accent);
  margin-top: 8px;
}

.hero-summary {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 840px;
  margin-top: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px -2px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 20px 0 60px 0;
}

.bento-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.bento-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.bento-item.col-span-2 {
  grid-column: span 2;
}

.bento-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 8px;
}

.bento-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.bento-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.badge-tag:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.toolbar-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  backdrop-filter: blur(12px);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.4);
}

.filter-btn.active {
  background: var(--gradient-brand);
  color: white;
  border-color: transparent;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  min-width: 260px;
}

.search-box input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.view-mode-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.view-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.view-btn.active {
  background: var(--brand-indigo);
  color: white;
}

.section-header {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title .section-icon {
  color: var(--brand-indigo);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.experience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
}

.experience-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.exp-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.exp-role-client {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.exp-role {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-client {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-accent);
  font-size: 1rem;
}

.exp-badge-current {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--brand-emerald);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
}

.exp-period {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.exp-project-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.exp-context {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.exp-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.exp-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--brand-cyan);
  font-size: 1.1rem;
  line-height: 1.4;
}

.exp-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-accent);
  border: 1px solid var(--border-color);
}

body.mode-synthetic .exp-bullets {
  display: none;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.skill-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.skill-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  color: var(--brand-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--brand-indigo);
}

.dual-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

.lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.lang-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lang-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
}

.lang-level {
  font-size: 0.8rem;
  color: var(--brand-cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}

.footer-cta {
  margin-top: 60px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.footer-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand);
}

.footer-cta-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 28px auto;
}

.contact-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.contact-pill:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.site-footer {
  text-align: center;
  padding: 30px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--brand-emerald);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  body::before,
  .navbar-wrapper,
  .toolbar-section,
  .footer-cta,
  .btn-icon,
  .btn-primary,
  .btn-secondary {
    display: none !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .experience-card,
  .bento-item,
  .skill-card {
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    margin-bottom: 12px !important;
  }
}

@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid,
  .dual-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .mobile-only,
  .btn-icon.mobile-only {
    display: inline-flex !important;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px -4px rgba(0, 0, 0, 0.85);
    flex-direction: column;
    padding: 16px;
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
    z-index: 200;
  }

  [data-theme="light"] .nav-links {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 20px 40px -4px rgba(0, 0, 0, 0.2);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    display: block;
    padding: 12px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
  }

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

@media (max-width: 640px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-item.col-span-2 {
    grid-column: span 1;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-section {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: 100%;
  }

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

  .footer-cta {
    padding: 24px 16px;
  }
}