:root,
[data-theme="dark"] {
  --color-bg: #0a0c10;
  --color-panel: #101317;
  --color-line: #262b32;
  --color-linesoft: #1b1f25;
  --color-paper: #e9e7e1;
  --color-heading: #f4f3ee;
  --color-muted: #8b8f98;
  --color-mutedsoft: #5f636c;
  --color-accent: #ff6a39;
  --color-sig: #5eead4;

  --grid-line: rgba(255,255,255,0.035);
  --scan-line: rgba(255,255,255,0.018);
  --vignette-tone: rgba(0,0,0,0.45);
  --hud-corner: #3a3f48;
  --tick: #2d3239;
  --tick-end: #3a3f48;
  --card-hover-border: #353b43;
  --card-hover-bg: #131720;
  --selection-bg: rgba(94,234,212,0.25);
  --card-shadow: none;
  --color-scheme: dark;
}

[data-theme="light"] {
  --color-bg: #f3f1e8;
  --color-panel: #ffffff;
  --color-line: #d9d4c4;
  --color-linesoft: #e7e2d4;
  --color-paper: #23241f;
  --color-heading: #14140f;
  --color-muted: #5c5d54;
  --color-mutedsoft: #8a8b7f;
  --color-accent: #d6491f;
  --color-sig: #0a8f81;

  --grid-line: rgba(20,20,15,0.05);
  --scan-line: rgba(20,20,15,0.012);
  --vignette-tone: rgba(20,20,15,0.05);
  --hud-corner: #c9c4b3;
  --tick: #d9d4c4;
  --tick-end: #c9c4b3;
  --card-hover-border: #c4bfae;
  --card-hover-bg: #fbfaf5;
  --selection-bg: rgba(10,143,129,0.18);
  --card-shadow: 0 1px 2px rgba(30,28,20,0.04), 0 6px 16px -8px rgba(30,28,20,0.08);
  --color-scheme: light;
}

html { background: var(--color-bg); color-scheme: var(--color-scheme); }
body {
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  position: relative;
  transition: background-color 0.35s ease, color 0.35s ease;
}
::selection { background: var(--selection-bg); }

.grid-field {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
}

.scanlines {
  position: fixed;
  inset: -100px;
  pointer-events: none;
  z-index: 50;
  background: repeating-linear-gradient(
    to bottom,
    var(--scan-line) 0px,
    var(--scan-line) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  -webkit-mask-image: linear-gradient(to bottom, black calc(100% - 250px), transparent calc(100% - 100px));
  mask-image: linear-gradient(to bottom, black calc(100% - 250px), transparent calc(100% - 100px));
}

.vignette {
  position: fixed;
  inset: -100px;
  pointer-events: none;
  z-index: 49;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,0,0,0) 0%, var(--vignette-tone) 100%);
  -webkit-mask-image: linear-gradient(to bottom, black calc(100% - 250px), transparent calc(100% - 100px));
  mask-image: linear-gradient(to bottom, black calc(100% - 250px), transparent calc(100% - 100px));
}

.ruler {
  position: relative;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--tick) 0,
    var(--tick) 1px,
    transparent 1px,
    transparent 8px
  );
}
.ruler::before, .ruler::after {
  content: '';
  position: absolute;
  top: -3px;
  width: 1px;
  height: 7px;
  background: var(--tick-end);
}
.ruler::before { left: 0; }
.ruler::after { right: 0; }

.reticle { position: relative; }
.reticle::before, .reticle::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--hud-corner);
  transition: border-color 0.2s ease;
  z-index: 30;
  pointer-events: none;
}
.reticle::before { top: -1px; left: -1px; border-top: 1.5px solid; border-left: 1.5px solid; }
.reticle::after { bottom: -1px; right: -1px; border-bottom: 1.5px solid; border-right: 1.5px solid; }
.reticle:hover::before, .reticle:hover::after { border-color: var(--color-accent); }

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.entry-card {
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  box-shadow: var(--card-shadow);
  background-color: var(--color-panel);
}
.entry-card:hover {
  border-color: var(--card-hover-border);
  background-color: var(--card-hover-bg);
  transform: translateY(-1px);
}

.contact-pill { transition: color 0.15s ease, border-color 0.15s ease; }
.contact-pill:hover { color: var(--color-accent); border-color: rgba(214,73,31,0.5); }
[data-theme="dark"] .contact-pill:hover { border-color: rgba(255,106,57,0.5); }

.accent-bar {
  display: inline-block;
  width: 4px;
  height: 1.1rem;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-sig));
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.16;
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}
[data-theme="light"] .hero-glow { opacity: 0.10; }

.theme-toggle {
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.2s ease;
}
.theme-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-linesoft); border-radius: 6px; border: 2px solid var(--color-bg); }
::-webkit-scrollbar-thumb:hover { background: var(--color-mutedsoft); }

.pulse-dot { position: relative; }
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 9999px;
  border: 1px solid currentColor;
  opacity: 0;
}

.cursor::after {
  content: '_';
  color: var(--color-sig);
}

.confetti-emoji {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 1.5rem;
  user-select: none;
  pointer-events: none;
  animation: popOut forwards cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 100;
}
@keyframes popOut {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
  40% { transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty) - 40px)) scale(1.1) rotate(calc(var(--rot) / 2)); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--tx) * 1.3), calc(-50% + var(--ty) + 120px)) scale(0.9) rotate(var(--rot)); opacity: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise 0.5s ease both; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .pulse-dot::after { animation: ping 1.8s ease-out infinite; }
  @keyframes ping {
    0% { opacity: 0.6; transform: scale(1); }
    80% { opacity: 0; transform: scale(2.1); }
    100% { opacity: 0; transform: scale(2.1); }
  }
}

:focus-visible { outline: 1.5px solid var(--color-accent); outline-offset: 2px; }

/* ====================================================
   0x02 // CAD & MECHANICAL SHOWCASE STYLES
   ==================================================== */
.workbench-tab {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--color-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.55rem 1.1rem;
  border-radius: 4px;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}
.workbench-tab:hover {
  color: var(--color-paper);
  border-color: var(--color-sig);
  background: rgba(94, 234, 212, 0.05);
}
.workbench-tab.active {
  color: #0a0c10 !important;
  background: var(--color-sig) !important;
  border-color: var(--color-sig) !important;
  box-shadow: 0 0 20px rgba(94, 234, 212, 0.35);
}
[data-theme="light"] .workbench-tab.active {
  color: #ffffff !important;
  background: #0f766e !important;
  border-color: #0f766e !important;
  box-shadow: 0 0 15px rgba(15, 118, 110, 0.25);
}

.cad-viewport {
  position: relative;
  width: 100%;
  height: 520px;
  max-height: 75vh;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.4) 0%, rgba(10, 12, 16, 0.95) 100%);
  border: 1px solid var(--border-color-soft);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.7);
}
[data-theme="light"] .cad-viewport {
  background: radial-gradient(circle at center, rgba(241, 245, 249, 0.95) 0%, rgba(226, 232, 240, 0.98) 100%);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.08);
}

model-viewer {
  width: 100%;
  height: 100%;
  --poster-color: transparent;
  --progress-bar-color: var(--color-sig);
  --progress-bar-height: 3px;
  background-color: transparent;
  outline: none;
}

.viewport-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 10;
}
.viewport-tag {
  pointer-events: auto;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--color-paper);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
[data-theme="light"] .viewport-tag {
  background: rgba(255, 255, 255, 0.92);
  border-color: #cbd5e1;
  color: #1e293b;
}

.gallery-thumb {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid var(--border-color-soft);
  transition: all 0.3s ease;
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  background: #111827;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.gallery-thumb:hover {
  border-color: var(--color-sig);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}
.gallery-thumb:hover img {
  transform: scale(1.08);
}

/* Lightbox Modal */
#lightbox-modal {
  transition: opacity 0.25s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}