/* ─── CIRCUIT variant ──────────────────────────────────────────────────────
   An upgraded riff on the dark cyber-dev aesthetic. Roboto + Roboto Mono,
   navy + cyan, animated grid backdrop, live system panel, refined typography.
   Works in both dark (default) and light themes.
   ─────────────────────────────────────────────────────────────────────── */
.v-circuit {
  font-family: "Roboto", system-ui, sans-serif;
  font-weight: 300;
  --c-bg: #0A0E1A;
  --c-bg-2: #0F1626;
  --c-surface: #131A2C;
  --c-surface-2: #1E293B;
  --c-surface-3: #2A3A56;
  --c-border: #1F2A41;
  --c-border-soft: #1A2336;
  --c-text: #F1F5F9;
  --c-text-2: #CBD5E1;
  --c-text-muted: #94A3B8;
  --c-text-dim: #64748B;
  --c-accent: #06B6D4;
  --c-accent-bright: #22D3EE;
  --c-accent-dim: #0E7490;
  --c-accent-glow: rgba(6, 182, 212, 0.18);
  --c-grid: rgba(148, 163, 184, 0.045);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}
html:not(.dark) .v-circuit {
  --c-bg: #f5f7fb;
  --c-bg-2: #eef2f8;
  --c-surface: #ffffff;
  --c-surface-2: #f4f6fa;
  --c-surface-3: #e6ebf2;
  --c-border: #d8dee8;
  --c-border-soft: #e9edf3;
  --c-text: #0F172A;
  --c-text-2: #334155;
  --c-text-muted: #5b6678;
  --c-text-dim: #8896a8;
  --c-accent: #0891b2;
  --c-accent-bright: #0e7490;
  --c-accent-dim: #155e75;
  --c-accent-glow: rgba(8, 145, 178, 0.14);
  --c-grid: rgba(15, 23, 42, 0.04);
}

/* Atmospheric layer — radial accents + animated grid */
.v-circuit .atmosphere {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 75% 0%, var(--c-accent-glow), transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 100%, var(--c-accent-glow), transparent 60%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.v-circuit .grid-layer {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  animation: gridShift 60s linear infinite;
}
@keyframes gridShift {
  to { background-position: 64px 64px; }
}

.v-circuit .stage { position: relative; z-index: 1; }

/* Scroll progress bar */
.v-circuit .scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-bright));
  z-index: 1000;
  box-shadow: 0 0 12px var(--c-accent);
  transition: width 0.05s linear;
}

/* Side dot nav (right) */
.v-circuit .side-nav {
  position: fixed; right: 32px; top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex; flex-direction: column; gap: 18px;
}
.v-circuit .side-nav button {
  position: relative; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-surface-3);
  transition: all .3s cubic-bezier(.16,1,.3,1);
}
.v-circuit .side-nav button::before {
  content: attr(data-label);
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%) translateX(-8px);
  font: 500 11px/1 "Roboto Mono", monospace;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-text-muted);
  white-space: nowrap; opacity: 0;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  pointer-events: none;
}
.v-circuit .side-nav button.active,
.v-circuit .side-nav button:hover {
  background: var(--c-accent);
  transform: scale(1.4);
  box-shadow: 0 0 12px var(--c-accent-glow);
}
.v-circuit .side-nav button:hover::before,
.v-circuit .side-nav button.active::before {
  opacity: 1; transform: translateY(-50%) translateX(0);
}
.v-circuit .side-nav button.active::before { color: var(--c-accent); }

/* ─── Circuit top nav (ported from Studio, restyled to match) ───────────── */
.v-circuit .topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 14px 28px;
  background: color-mix(in oklab, var(--c-bg) 80%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--c-border-soft);
  font-size: 13px;
}
.v-circuit .topbar .brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: -0.01em;
  color: var(--c-text);
}
.v-circuit .topbar .brand .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 0 var(--c-accent-glow);
  animation: cPulse 2s ease-in-out infinite;
}
.v-circuit .topbar .brand .handle {
  font: 400 11px "Roboto Mono", monospace;
  color: var(--c-text-dim);
  margin-left: 6px;
  letter-spacing: 0.02em;
}
.v-circuit .topbar nav {
  display: flex; gap: 2px;
  font: 500 11.5px "Roboto Mono", monospace;
  flex-wrap: nowrap;
}
.v-circuit .topbar nav button {
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--c-text-muted);
  white-space: nowrap;
  transition: color .15s, background .15s;
  cursor: pointer;
  background: transparent;
  border: 0;
}
.v-circuit .topbar nav button:hover { color: var(--c-text); }
.v-circuit .topbar nav button.active {
  color: var(--c-accent);
  background: var(--c-accent-glow);
}
.v-circuit .topbar nav button .idx {
  color: var(--c-text-dim); margin-right: 5px; font-size: 10px;
}
.v-circuit .topbar nav button.active .idx { color: var(--c-accent); }
.v-circuit .topbar .actions {
  display: flex; align-items: center; gap: 8px; justify-content: flex-end;
  font: 400 11px "Roboto Mono", monospace;
}
.v-circuit .topbar .clock {
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
  padding-right: 10px;
  border-right: 1px solid var(--c-border);
}
.v-circuit .topbar .clock .acc { color: var(--c-accent); margin-right: 6px; }
.v-circuit .topbar .lang-switch {
  display: inline-flex; gap: 2px; padding: 2px;
  border: 1px solid var(--c-border); border-radius: 999px;
  background: var(--c-surface);
}
.v-circuit .topbar .lang-switch button {
  padding: 4px 9px; color: var(--c-text-dim); border-radius: 999px;
  font: 500 10px "Roboto Mono", monospace; background: transparent; cursor: pointer;
  transition: color .15s, background .15s;
}
.v-circuit .topbar .lang-switch button:hover { color: var(--c-text); }
.v-circuit .topbar .lang-switch button.on {
  background: var(--c-accent); color: var(--c-bg);
}
.v-circuit .topbar .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  font: 500 11px "Roboto Mono", monospace;
  color: var(--c-text-muted);
  background: transparent;
  transition: background .15s, border-color .15s, color .15s;
  cursor: pointer;
}
.v-circuit .topbar .pill:hover {
  background: var(--c-accent-glow); border-color: var(--c-accent); color: var(--c-accent);
}

@media (max-width: 1180px) {
  .v-circuit .topbar nav button .nm { display: none; }
  .v-circuit .topbar nav button { padding: 6px 7px; }
  .v-circuit .topbar nav button.active .nm { display: inline; margin-left: 4px; }
  .v-circuit .topbar .clock { display: none; }
}
@media (max-width: 900px) {
  /* Move the section nav to a second topbar row (compact numbered buttons). */
  .v-circuit .topbar { grid-template-columns: 1fr auto; row-gap: 6px; padding: 10px 16px; }
  .v-circuit .topbar nav {
    grid-column: 1 / -1; grid-row: 2;
    display: flex; justify-content: flex-start;
    overflow-x: auto; scrollbar-width: none;
  }
  .v-circuit .topbar nav::-webkit-scrollbar { display: none; }
  .v-circuit .topbar .handle { display: none; }
}

/* ─── Skills: grouped columns layout (ported from Studio) ─────────────── */
.v-circuit .skills-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.v-circuit .skills-cols .group .label {
  font: 500 10px "Roboto Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-dim);
  margin-bottom: 14px;
  display: flex; justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}
.v-circuit .skills-cols .group .label .count { color: var(--c-text-dim); }
.v-circuit .skills-cols .group ul {
  list-style: none; padding: 0; margin: 0;
}
.v-circuit .skills-cols .group ul li {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--c-border-soft);
  font-size: 13.5px;
  color: var(--c-text-2);
  transition: color .2s, padding .2s;
}
.v-circuit .skills-cols .group ul li:last-child { border-bottom: 0; }
.v-circuit .skills-cols .group ul li:hover { color: var(--c-accent); padding-left: 4px; }
.v-circuit .skills-cols .group ul li .lvl-dots {
  display: inline-flex; gap: 4px; align-items: center; flex-shrink: 0;
}
.v-circuit .skills-cols .group ul li .lvl-dots span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--c-surface-3);
  transition: background .2s;
}
.v-circuit .skills-cols .group ul li .lvl-dots span.on { background: var(--c-accent); }
.v-circuit .skills-cols .group ul li .lvl-dots span.on.bright { background: var(--c-accent-bright); box-shadow: 0 0 4px var(--c-accent-glow); }

@media (max-width: 900px) {
  .v-circuit .skills-cols { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .v-circuit .skills-cols { grid-template-columns: 1fr; gap: 24px; }
}

/* Container */
.v-circuit .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}

.v-circuit section { position: relative; padding: clamp(80px, 12vh, 140px) 0; }

/* Section heading */
.v-circuit .section-label {
  font: 500 13px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.18em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 14px;
  margin-bottom: 28px;
}
.v-circuit .section-label::before {
  content: ""; width: 32px; height: 1px; background: var(--c-accent);
}
.v-circuit .section-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--c-text);
}
.v-circuit .section-title .accent { color: var(--c-accent); }

/* ─── Hero ─────────────────────────────────────────────────────────────── */
.v-circuit .hero {
  padding-top: 140px; padding-bottom: 80px;
  display: flex; align-items: center;
}
.v-circuit .hero-grid {
  display: grid; grid-template-columns: 1fr 320px;
  gap: clamp(40px, 8vw, 100px);
  align-items: center;
  width: 100%;
}

.v-circuit .hero-eyebrow {
  font: 400 14px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}
.v-circuit .hero-eyebrow .pulse {
  width: 8px; height: 8px; background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--c-accent-glow);
  animation: cPulse 2s ease-in-out infinite;
}
@keyframes cPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--c-accent-glow); }
  50% { box-shadow: 0 0 0 12px transparent; }
}

.v-circuit .hero-name {
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 8px;
}
.v-circuit .hero-name .line { display: block; overflow: hidden; }
.v-circuit .hero-name .word {
  display: inline-block;
  animation: cRise .9s cubic-bezier(.16,1,.3,1) both;
}
.v-circuit .hero-name .line:nth-child(2) .word { color: var(--c-accent); animation-delay: 0.15s; }
.v-circuit .hero-name .line:nth-child(1) .word { animation-delay: 0.05s; }
@keyframes cRise {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}

.v-circuit .hero-role {
  font: 400 clamp(15px, 1.6vw, 18px) "Roboto Mono", monospace;
  color: var(--c-text-muted);
  letter-spacing: 0.04em;
  margin: 32px 0 40px;
  display: flex; align-items: center; gap: 14px;
}
.v-circuit .hero-role::before {
  content: ""; width: 40px; height: 1px; background: var(--c-text-dim);
}
.v-circuit .hero-role .cursor {
  display: inline-block; width: 9px; height: 18px;
  background: var(--c-accent); margin-left: 4px;
  animation: cBlink 1.1s ease-in-out infinite;
  vertical-align: text-bottom;
}
@keyframes cBlink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.v-circuit .hero-intro {
  font-size: clamp(16px, 1.5vw, 18px);
  color: var(--c-text-2);
  max-width: 540px;
  margin: 0 0 48px;
  line-height: 1.7;
}
.v-circuit .hero-intro strong { color: var(--c-text); font-weight: 500; }

.v-circuit .hero-actions {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.v-circuit .c-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 6px;
  font: 500 13px "Roboto Mono", monospace;
  letter-spacing: 0.1em; text-transform: uppercase;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  border: 1px solid transparent;
  cursor: pointer;
}
.v-circuit .c-btn.primary {
  background: var(--c-accent); color: var(--c-bg);
}
.v-circuit .c-btn.primary:hover {
  background: var(--c-accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px var(--c-accent-glow);
}
.v-circuit .c-btn.ghost {
  background: transparent; color: var(--c-text);
  border-color: var(--c-border);
}
.v-circuit .c-btn.ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}

/* Hero photo / ascii portrait */
.v-circuit .hero-photo {
  position: relative; width: 100%; aspect-ratio: 1;
}
.v-circuit .hero-photo::before {
  content: ""; position: absolute; inset: -8px;
  border: 1px solid var(--c-accent); border-radius: 50%;
  opacity: 0.3;
  animation: cRotate 20s linear infinite;
}
.v-circuit .hero-photo::after {
  content: ""; position: absolute; inset: -8px;
  border: 1px dashed var(--c-accent); border-radius: 50%;
  opacity: 0.15;
  animation: cRotate 30s linear infinite reverse;
}
@keyframes cRotate { to { transform: rotate(360deg); } }

.v-circuit .ascii-portrait {
  width: 100%; height: 100%; border-radius: 50%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  overflow: hidden;
  position: relative;
}
.v-circuit .ascii-portrait img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  filter: grayscale(0.3) contrast(1.05);
  transition: filter .4s ease;
}
.v-circuit .ascii-portrait:hover img { filter: grayscale(0) contrast(1.1); }
.v-circuit .ascii-portrait .stripes {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, var(--c-accent-glow) 0 1px, transparent 1px 12px);
  opacity: 0.15;
  pointer-events: none;
  mix-blend-mode: screen;
}
html:not(.dark) .v-circuit .ascii-portrait .stripes { mix-blend-mode: multiply; opacity: 0.08; }
.v-circuit .hero-photo .badge {
  position: absolute; bottom: 8%; right: -10%;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  padding: 12px 18px; border-radius: 8px;
  font: 500 12px "Roboto Mono", monospace;
  letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 10px;
  animation: cFloat 4s ease-in-out infinite;
  color: var(--c-text);
}
.v-circuit .hero-photo .badge .dot {
  width: 8px; height: 8px; background: #22C55E; border-radius: 50%;
  box-shadow: 0 0 8px #22C55E;
}
@keyframes cFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ─── Info strip (replaces stats) ───────────────────────────────────── */
.v-circuit .info-strip {
  border-top: 1px solid var(--c-border-soft);
  border-bottom: 1px solid var(--c-border-soft);
  padding: 32px 0;
  margin-top: 40px;
}
.v-circuit .info-strip .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.v-circuit .info-strip .cell {
  padding: 4px 28px;
  border-left: 1px solid var(--c-border-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.v-circuit .info-strip .cell:first-child { padding-left: 0; border-left: 0; }
.v-circuit .info-strip .cell .label {
  font: 500 11px "Roboto Mono", monospace;
  color: var(--c-text-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
}
.v-circuit .info-strip .cell .label::before {
  content: ""; width: 6px; height: 6px;
  background: var(--c-accent); border-radius: 50%;
  box-shadow: 0 0 6px var(--c-accent-glow);
  flex-shrink: 0;
}
.v-circuit .info-strip .cell .value {
  font: 500 17px "Roboto", sans-serif;
  color: var(--c-text);
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.v-circuit .info-strip .cell .sub {
  font: 400 12px "Roboto Mono", monospace;
  color: var(--c-text-muted);
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .v-circuit .info-strip .grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .v-circuit .info-strip .cell { padding: 4px 0; border-left: 0; }
}
@media (max-width: 560px) {
  .v-circuit .info-strip .grid { grid-template-columns: 1fr; }
}

/* Stand-alone formation section uses .edu-list inline (no two-col) */
.v-circuit section#formation .edu-list { max-width: 860px; }

/* ─── Timeline (experience + formation) ────────────────────────────────── */
.v-circuit .timeline {
  margin-top: 60px;
  position: relative;
  padding-left: 40px;
}
.v-circuit .timeline::before {
  content: ""; position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-surface-3) 100%);
}
.v-circuit .timeline-item {
  position: relative;
  padding: 24px 0 60px;
}
.v-circuit .timeline-item:last-child { padding-bottom: 0; }
.v-circuit .timeline-item::before {
  content: ""; position: absolute;
  left: -40px; top: 32px;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-bg), 0 0 16px var(--c-accent-glow);
  transition: all .3s cubic-bezier(.16,1,.3,1);
}
.v-circuit .timeline-item:hover::before {
  background: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-bg), 0 0 24px var(--c-accent);
}
.v-circuit .t-date {
  font: 500 12px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 10px;
}
.v-circuit .t-title {
  font-size: 24px; font-weight: 700; color: var(--c-text);
  margin-bottom: 4px; letter-spacing: -0.01em;
}
.v-circuit .t-company {
  font-size: 16px; font-weight: 500;
  color: var(--c-text-2);
  margin-bottom: 12px;
}
.v-circuit .t-company .at { color: var(--c-text-dim); font-weight: 300; margin-right: 6px; }
.v-circuit .t-company .city { color: var(--c-text-dim); font: 400 12px "Roboto Mono", monospace; margin-left: 10px; letter-spacing: 0.04em; }
.v-circuit .t-desc {
  font-size: 14.5px; color: var(--c-text-muted);
  line-height: 1.7;
  margin: 0; padding: 0; list-style: none;
}
.v-circuit .t-desc li { padding: 3px 0 3px 14px; position: relative; }
.v-circuit .t-desc li::before { content: "›"; position: absolute; left: 0; color: var(--c-accent); font-weight: 500; }
.v-circuit .t-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px;
}
.v-circuit .t-tags .tag {
  font: 400 11px "Roboto Mono", monospace;
  padding: 5px 11px;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  color: var(--c-text-muted);
  letter-spacing: 0.06em;
  transition: all .2s;
}
.v-circuit .t-tags .tag:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ─── Skills ─────────────────────────────────────────────────────────── */
.v-circuit .skills-filter {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 40px 0 32px;
}
.v-circuit .filter-btn {
  font: 500 12px "Roboto Mono", monospace;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-text-muted);
  border-radius: 4px;
  transition: all .2s cubic-bezier(.16,1,.3,1);
  cursor: pointer;
}
.v-circuit .filter-btn:hover { color: var(--c-text); border-color: var(--c-surface-3); }
.v-circuit .filter-btn.active {
  color: var(--c-bg);
  background: var(--c-accent);
  border-color: var(--c-accent);
}
.v-circuit .filter-btn .count {
  margin-left: 6px;
  opacity: 0.6;
  font-size: 10px;
}

.v-circuit .skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.v-circuit .skill {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: 8px;
  padding: 16px 22px;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  position: relative;
  overflow: hidden;
}
.v-circuit .skill::before {
  content: ""; position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--c-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s cubic-bezier(.16,1,.3,1);
}
.v-circuit .skill:hover {
  border-color: var(--c-surface-3);
  background: var(--c-surface-2);
  transform: translateX(4px);
}
.v-circuit .skill:hover::before { transform: scaleY(1); transform-origin: top; }
.v-circuit .skill .skill-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.v-circuit .skill .skill-name {
  font-size: 15px; font-weight: 500;
  color: var(--c-text);
  letter-spacing: -0.005em;
}
.v-circuit .skill .skill-level {
  font: 500 10px "Roboto Mono", monospace;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.v-circuit .skill[data-level="3"] .skill-level { color: var(--c-accent); }
.v-circuit .skill[data-level="2"] .skill-level { color: var(--c-text-muted); }
.v-circuit .skill .skill-bar {
  height: 3px;
  background: var(--c-surface-3);
  border-radius: 2px;
  overflow: hidden;
}
.v-circuit .skill .skill-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent-dim), var(--c-accent));
  border-radius: 2px;
  width: 0;
  transition: width 1s cubic-bezier(.16,1,.3,1);
}
.v-circuit .skill[data-level="3"] .skill-bar .fill {
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-bright));
}
.v-circuit .skill[data-hidden="true"] { display: none; }

/* ─── Projects ────────────────────────────────────────────────────────── */
.v-circuit .projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.v-circuit .project {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all .4s cubic-bezier(.16,1,.3,1);
}
.v-circuit .project::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), var(--c-accent-glow), transparent 50%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.v-circuit .project:hover {
  border-color: var(--c-accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6);
}
.v-circuit .project:hover::before { opacity: 1; }
.v-circuit .project > * { position: relative; z-index: 1; }
.v-circuit .project-number {
  font: 500 12px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.v-circuit .project-title {
  font-size: 22px; font-weight: 700;
  color: var(--c-text);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.v-circuit .project-desc {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: 14px;
}
.v-circuit .project ul {
  list-style: none; padding: 0; margin: 0 0 18px;
  display: flex; flex-direction: column; gap: 5px;
}
.v-circuit .project ul li {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}
.v-circuit .project ul li::before {
  content: "›";
  position: absolute; left: 0;
  color: var(--c-accent); font-weight: 500;
}
.v-circuit .project-tech {
  font: 500 11px "Roboto Mono", monospace;
  color: var(--c-text-muted);
  letter-spacing: 0.04em;
  display: flex; flex-wrap: wrap; gap: 6px 10px;
  padding-top: 14px;
  border-top: 1px solid var(--c-border-soft);
}
.v-circuit .project-tech .sep { color: var(--c-accent-dim); }

/* ─── Education + Languages two-column ────────────────────────────────── */
.v-circuit .two-col {
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  margin-top: 60px;
}
.v-circuit .edu-list { display: flex; flex-direction: column; gap: 32px; }
.v-circuit .edu-item {
  display: grid; grid-template-columns: 130px 1fr;
  gap: 24px; align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-border-soft);
}
.v-circuit .edu-item:last-child { border-bottom: none; padding-bottom: 0; }
.v-circuit .edu-year {
  font: 500 13px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.08em;
  padding-top: 4px;
}
.v-circuit .edu-title {
  font-size: 17px; font-weight: 500;
  color: var(--c-text);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.v-circuit .edu-detail {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.6;
}
.v-circuit .edu-detail .school { color: var(--c-text-2); display: block; margin-bottom: 4px; }

.v-circuit .languages { display: flex; flex-direction: column; gap: 28px; }
.v-circuit .lang { position: relative; }
.v-circuit .lang-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 10px;
}
.v-circuit .lang-name { font-size: 17px; font-weight: 500; color: var(--c-text); }
.v-circuit .lang-level {
  font: 400 11px "Roboto Mono", monospace;
  color: var(--c-text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.v-circuit .lang-dots { display: flex; gap: 6px; }
.v-circuit .lang-dots span {
  flex: 1; height: 4px;
  background: var(--c-surface-3);
  border-radius: 2px;
  transition: background .5s cubic-bezier(.16,1,.3,1);
}
.v-circuit .lang-dots span.filled { background: var(--c-accent); }

/* ─── Interests ──────────────────────────────────────────────────────── */
.v-circuit .interests {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border-soft);
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 16px 32px;
}
.v-circuit .interests-label {
  font: 400 11px "Roboto Mono", monospace;
  color: var(--c-text-dim);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-right: 8px;
}
.v-circuit .interest {
  font-size: 14px;
  color: var(--c-text-muted);
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
}
.v-circuit .interest .ic { color: var(--c-accent); }
.v-circuit .interest:not(:last-child)::after {
  content: "·";
  margin-left: 32px;
  color: var(--c-text-dim);
}

/* ─── Contact / footer ────────────────────────────────────────────────── */
.v-circuit .contact {
  text-align: center;
  padding: 140px 0;
  border-top: 1px solid var(--c-border-soft);
}
.v-circuit .contact-eyebrow {
  font: 500 12px "Roboto Mono", monospace;
  color: var(--c-accent);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 24px;
}
.v-circuit .contact-title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 24px;
}
.v-circuit .contact-title .accent { color: var(--c-accent); }
.v-circuit .contact-mail {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--c-text-2);
  margin-bottom: 48px;
  display: inline-block;
  border-bottom: 1px solid var(--c-text-dim);
  padding-bottom: 4px;
  transition: all .3s cubic-bezier(.16,1,.3,1);
}
.v-circuit .contact-mail:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.v-circuit .contact-links {
  display: flex; justify-content: center; gap: 14px;
  flex-wrap: wrap;
}
.v-circuit .contact-link {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--c-border);
  border-radius: 100px;
  font: 400 13px "Roboto Mono", monospace;
  color: var(--c-text-muted);
  letter-spacing: 0.06em;
  transition: all .25s cubic-bezier(.16,1,.3,1);
  cursor: pointer;
}
.v-circuit .contact-link:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--c-accent-glow);
}

.v-circuit footer {
  border-top: 1px solid var(--c-border-soft);
  padding: 32px 0;
  font: 400 12px "Roboto Mono", monospace;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
}
.v-circuit footer .container {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 16px;
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .v-circuit .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .v-circuit .hero-photo { max-width: 240px; }
  .v-circuit .hero-photo .badge { display: none; }
  .v-circuit .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .v-circuit .two-col { grid-template-columns: 1fr; gap: 60px; }
  .v-circuit .edu-item { grid-template-columns: 1fr; gap: 6px; }
  .v-circuit .side-nav, .v-circuit .syspanel { display: none; }
}
@media (max-width: 560px) {
  .v-circuit .hero-name { font-size: 56px; }
  .v-circuit .timeline { padding-left: 32px; }
  .v-circuit .timeline-item::before { left: -32px; }
  .v-circuit .stats-grid { grid-template-columns: 1fr; }
  .v-circuit .skills-grid { grid-template-columns: 1fr; }
  .v-circuit .projects { grid-template-columns: 1fr; }
}

/* ─── Toast ──────────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%; z-index: 90;
  transform: translate(-50%, 16px);
  padding: 10px 18px;
  font-family: "Roboto Mono", monospace;
  font-size: 12px; letter-spacing: 0.06em;
  color: var(--c-text);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-left: 2px solid var(--c-accent);
  border-radius: 4px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}