[data-theme="dark"] {
  
  --color-bg:        #1C1919;
  --color-text:      #F1F1F4;
  --color-accent:    #F2771A;
  --color-accent-2:  #c45d10;   
  --color-surface:   #262222;   
  --color-border:    #352f2f;   
  --color-muted:     #8a8490;   

  
  --toggle-track:    #352f2f;
  --toggle-knob-bg:  var(--color-accent);
}

[data-theme="light"] {
  --color-bg:        #F2EDED;
  --color-text:      #2a2535;   
  --color-accent:    #848DB8;   
  --color-accent-2:  #6a73a0;   
  --color-surface:   #ffffff;
  --color-border:    #ddd9e8;
  --color-muted:     #7a7690;

  
  --color-sky:       #A7CCE8;

  --toggle-track:    #ddd9e8;
  --toggle-knob-bg:  var(--color-accent);
}

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

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

body {
  font-family: 'Space Mono', 'Courier New', monospace;
  background-color: var(--color-bg);
  color: var(--color-text);

  
  transition:
    background-color 0.35s ease,
    color 0.35s ease;

  line-height: 1.7;
  min-height: 100dvh;                 
  display: flex;
  flex-direction: column;
}

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

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

a:hover {
  color: var(--color-accent-2);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

ul, ol {
  list-style: none;
}

code {
  font-family: 'Space Mono', monospace;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.85em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;                       
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.35s ease, border-color 0.35s ease;

  
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: color-mix(in srgb, var(--color-bg) 90%, transparent);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);  
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-logo {
  flex-shrink: 0;
  text-decoration: none;
}

.logo-mark {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  transition: color 0.2s ease;
}

.site-logo:hover .logo-mark {
  color: var(--color-accent-2);
}

.tab-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;                   
  scrollbar-width: none;              
  -ms-overflow-style: none;           
}

.tab-nav::-webkit-scrollbar {
  display: none;                      
}

.tab-btn {
  font-family: 'Space Mono', monospace;
  font-size: clamp(0.62rem, 1.2vw, 0.78rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 0.5rem 1rem;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  height: 64px;
  display: flex;
  align-items: center;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

.theme-toggle-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toggle-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  user-select: none;
  transition: color 0.35s ease;
}

.theme-toggle {
  width: 46px;
  height: 26px;
  background-color: var(--toggle-track);
  border-radius: 999px;
  padding: 3px;
  display: flex;
  align-items: center;
  transition: background-color 0.35s ease;
  position: relative;
}

.toggle-knob {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--toggle-knob-bg);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.35s ease;
  transform: translateX(0px);
}

[data-theme="dark"] .toggle-knob {
  transform: translateX(20px);
}

[data-theme="light"] .toggle-knob {
  transform: translateX(0px);
}

.site-main {
  flex: 1;                            
}

.tab-panel {
  display: none;                      
  animation: fadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 2.5rem);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: center;
  min-height: 70vh;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.hero-name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-tagline {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-bio {
  font-size: 0.9rem;
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.9;
}

.intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.meta-item {
  font-size: 0.75rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  transition: border-color 0.2s, color 0.2s;
}

.meta-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.intro-visual {
  display: flex;
  justify-content: center;
}

.visual-frame {
  text-align: center;
}

.blue-dot-image {
  width: 100%;
  height: auto;
  max-width: 280px;
  aspect-ratio: 1;
  object-fit: contain;
  margin: 0 auto 1.5rem;
  display: block;
}

.blue-dot-link {
  display: inline-block;
  transition: transform 0.3s ease, opacity 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.blue-dot-link:hover .blue-dot-image {
  transform: scale(1.05);
  opacity: 0.85;
}

.blue-dot-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 8px;
}

.visual-caption {
  font-size: clamp(0.68rem, 1.1vw, 0.85rem);
  font-style: italic;
  color: var(--color-muted);
  line-height: 1.7;
  text-align: center;
}

.pillars-section {
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--color-border);
  padding-top: 3rem;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.pillar-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.pillar-icon {
  display: block;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.pillar-card h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.pillar-card p {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.section-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
}

.page-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-muted);
}

.echoes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.echo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.echo-card:hover {
  border-color: var(--color-accent);
}

.echo-featured {
  grid-column: 1 / -1;               
  border-left: 3px solid var(--color-accent);
}

.echo-date {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: block;
  margin-bottom: 0.75rem;
}

.echo-title {
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.echo-body {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: 0.75rem;
}

.echo-body:last-child {
  margin-bottom: 0;
}

.current-focus {
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.focus-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.focus-title {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.focus-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  max-width: 600px;
  line-height: 1.8;
}

.timeline-section {
  margin-bottom: 3rem;
}

.timeline {
  border-left: 1px solid var(--color-border);
  padding-left: 2rem;
  margin-left: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.4rem;
}

.timeline-date {
  font-size: 0.7rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.timeline-type {
  font-size: 0.65rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline-role {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.timeline-company {
  font-size: 0.78rem;
  color: var(--color-muted);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.timeline-desc {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 580px;
}

.skills-section {
  border-top: 1px solid var(--color-border);
  padding-top: 2.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-list li {
  font-size: 0.82rem;
  color: var(--color-muted);
  padding-left: 1rem;
  position: relative;
}

.skill-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-border);
}

.instants-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 200px;
  gap: 1rem;
}

.instant-card {
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
  display: flex;
  flex-direction: column;
}

.instant-card:hover {
  border-color: var(--color-accent);
  transform: scale(1.01);
}

.size-tall  { grid-row: span 2; }
.size-wide  { grid-column: span 2; }
.size-square { grid-row: span 1; }

.instant-placeholder {
  width: 100%;
  height: 100%;
  background: hsl(var(--ph-hue, 220) 20% 20%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: hsl(var(--ph-hue, 220) 30% 60%);
  font-style: italic;
  letter-spacing: 0.05em;
  min-height: 150px;
}

.instant-placeholder::after {
  content: attr(data-label);
}

.instant-img {
  width: 100%;
  flex: 1;
  object-fit: cover;
  display: block;
}

.instant-caption {
  font-size: clamp(0.65rem, 1.2vw, 0.85rem);
  color: var(--color-muted);
  padding: clamp(0.4rem, 1vw, 0.75rem);
  border-top: 1px solid var(--color-border);
  font-style: italic;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
}

.instant-card:hover .instant-caption {
  max-height: 150px;
  opacity: 1;
}

.instants-note {
  margin-top: 1.5rem;
  font-size: 0.72rem;
  color: var(--color-muted);
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  transition: border-color 0.35s ease;
  display: none;
}

.site-footer.visible {
  display: block;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem) clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 1.5rem 3rem;
  align-items: start;
}

.footer-privacy {
  grid-column: 1;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.privacy-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.2rem;
}

.privacy-statement {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.privacy-statement strong {
  color: var(--color-text);
}

.footer-links {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.footer-link {
  font-size: 0.78rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-copy {
  grid-column: 1 / -1;
  font-size: 0.7rem;
  color: var(--color-border);
  letter-spacing: 0.05em;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {

  
  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    gap: 0.75rem;
  }

  .site-logo {
    order: 1;
  }

  .theme-toggle-wrap {
    order: 2;
    margin-left: auto;
  }

  .tab-nav {
    order: 3;
    width: 100%;
    border-top: 1px solid var(--color-border);
    gap: 0;
    justify-content: flex-start;
  }

  .tab-btn {
    height: 44px;
    font-size: 0.6rem;
    padding: 0 0.75rem;
  }

  
  .intro-grid {
    grid-template-columns: 1fr;
    min-height: unset;
    gap: 2rem;
  }

  .intro-visual {
    display: none;              
  }

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

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

  .echo-featured {
    grid-column: unset;
  }

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

  
  .instants-masonry {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }

  .size-tall, .size-wide {
    grid-row: span 1;
    grid-column: span 1;
  }

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

  .footer-links {
    grid-column: 1;
    grid-row: unset;
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {

  .intro-grid {
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .instants-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1400px) {
  html {
    font-size: 17px;                  
  }
}

@media (min-width: 2000px) {
  html {
    font-size: 18px;
  }

  .header-inner,
  .panel-content,
  .footer-inner {
    max-width: 1600px;
  }
}

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