/* ============================================
   RESET & CSS CUSTOM PROPERTIES
============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* IDE chrome colors */
  --ide-bg:        #12141a;
  --ide-sidebar:   #0e1016;
  --ide-titlebar:  #0a0c10;
  --ide-statusbar: #0e5fb0;   /* darker VS Code blue — clears WCAG AA with white text */
  --ide-border:    #222838;
  --ide-border-lt: #2e3650;
  --ide-hover:     #1c2030;

  --ide-text:      #b5c1d6;   /* up from #8c9ab5 for stronger AA contrast */
  --ide-text-dim:  #97a4bf;   /* up from #7a8aa8 */
  --ide-text-muted:#8090ad;   /* up from #485a78 — now passes AA on dark panels */

  /* Accent used in IDE chrome */
  --accent:        #5ba3f5;
  --accent-glow:   rgba(91,163,245,0.12);
  --green-dot:     #4caf7d;

  /* Panel / content colors — much richer, website-feel */
  --panel-bg:      #13161f;
  --panel-bg2:     #191d28;
  --panel-card:    #1d2130;
  --panel-card2:   #222638;
  --panel-border:  #252a3a;

  --text-h:        #eef0f8;   /* headings */
  --text-b:        #a8b2cc;   /* body */
  --text-dim:      #9aacc2;   /* body paragraphs */

  /* VS Code Python IntelliSense colors (from dark_vs.json + dark_plus.json) */
  --py-fn:    #DCDCAA;   /* entity.name.function — yellow */
  --py-cls:   #4EC9B0;   /* entity.name.class — teal */
  --py-var:   #9CDCFE;   /* variable/parameter — light blue */
  --py-kw:    #569CD6;   /* storage.type (def/class) — blue */
  --py-ctrl:  #C586C0;   /* keyword.control (if/for/return/import) — purple */
  --py-str:   #CE9178;   /* string — orange */
  --py-num:   #B5CEA8;   /* constant.numeric — light green */
  --py-const: #4FC1FF;   /* variable.other.constant — bright blue */
  --py-cmt:   #6A9955;   /* comment — muted green */

  --amber:         #f0a832;
  --amber-dim:     rgba(240,168,50,0.15);
  --teal:          #4EC9B0;   /* exact VS Code class/type teal */
  --teal-dim:      rgba(78,201,176,0.12);
  --rose:          #f06292;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Instrument Sans', system-ui, sans-serif;
  --font-mono:    'Fira Code', 'JetBrains Mono', 'Cascadia Code', 'Source Code Pro', monospace;

  /* Layout */
  --titlebar-h:  38px;
  --sidebar-w:   220px;
  --statusbar-h: 22px;
}

html { height: 100%; height: 100dvh; }

body {
  height: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--ide-bg);
  color: var(--text-b);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* IDE doesn't scroll — panels do */
}

a { color: inherit; text-decoration: none; }

/* ============================================
   TITLE BAR
============================================ */
#titlebar {
  flex: 0 0 var(--titlebar-h);
  height: var(--titlebar-h);
  background: var(--ide-titlebar);
  border-bottom: 1px solid var(--ide-border);
  display: flex;
  align-items: center;
  user-select: none;
  z-index: 50;
}

.tb-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  flex-shrink: 0;
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  cursor: default;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.tb-tabs {
  display: flex;
  align-items: stretch;
  height: 100%;
  flex: 1;
  overflow: hidden;
}

.tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ide-text-muted);
  background: none;
  border: none;
  border-right: 1px solid var(--ide-border);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.tab:hover { background: var(--ide-hover); color: var(--ide-text); }
.tab.active {
  color: var(--text-h);
  background: var(--panel-bg);
  border-bottom-color: var(--accent);
}

.tab-icon { font-size: 10px; color: inherit; opacity: 0.7; }

.tb-right {
  flex-shrink: 0;
  padding: 0 14px;
  border-left: 1px solid var(--ide-border);
}

.tb-social {
  display: flex;
  align-items: center;
  gap: 1px;
  padding: 0 8px;
  border-left: 1px solid var(--ide-border);
  flex-shrink: 0;
}

.tb-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--ide-text-dim);
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}
.tb-icon-link:hover { color: var(--text-h); background: var(--ide-hover); }
.tb-icon-link svg { display: block; flex-shrink: 0; }

.resume-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(91,163,245,0.3);
  padding: 3px 11px;
  border-radius: 3px;
  transition: background 0.2s;
}
.resume-pill:hover { background: var(--accent-glow); }

/* ============================================
   WORKSPACE (sidebar + panels)
============================================ */
#workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ============================================
   SIDEBAR
============================================ */
#sidebar {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  background: var(--ide-sidebar);
  border-right: 1px solid var(--ide-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

#sidebar::-webkit-scrollbar { width: 3px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--ide-border-lt); }

.sb-section { padding: 0 0 8px; }

.sb-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.13em;
  color: var(--ide-text-muted);
  text-transform: uppercase;
  padding: 12px 14px 6px;
}

/* Tree rows */
.tree-folder-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ide-text);
  cursor: pointer;
  transition: background 0.1s;
}
.tree-folder-row:hover { background: var(--ide-hover); }

.fold-arrow { font-size: 10px; color: var(--ide-text-dim); width: 12px; flex-shrink: 0; transition: transform 0.2s; }
.tree-folder-row.open .fold-arrow { /* already ▾ */ }

.fold-icon { font-size: 12px; }
.fold-name { font-size: 12px; color: var(--ide-text); }

.tree-children { padding: 0; }
.tree-children.indent .tree-item { padding-left: 36px; }

.tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 14px 3px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ide-text-dim);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.1s, color 0.1s, border-color 0.15s;
}
.tree-item:hover { background: var(--ide-hover); color: var(--ide-text); }
.tree-item.active {
  background: rgba(91,163,245,0.08);
  color: var(--text-h);
  border-left-color: var(--accent);
}

.item-icon { font-size: 11px; flex-shrink: 0; }
.item-name { flex: 1; }
.item-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  flex-shrink: 0;
}
.item-badge.modified { color: #fab387; }
.item-badge.new      { color: var(--green-dot); }

/* Icon colors */
.icon-me   { color: var(--accent); }
.icon-py   { color: #4caf7d; }
.icon-js   { color: #f0c040; }
.icon-json { color: var(--accent); font-size: 9px; letter-spacing: -2px; }
.icon-sh   { color: var(--teal); font-weight: 600; }
.icon-pdf  { color: #f06292; }

/* Git section */
.git-section {
  border-top: 1px solid var(--ide-border);
  padding-top: 4px;
}

.git-info { padding: 4px 14px 8px; }

.git-branch {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text);
  margin-bottom: 6px;
}

.git-changes { display: flex; flex-direction: column; gap: 3px; }

.gc-file {
  font-family: var(--font-mono);
  font-size: 11px;
  padding-left: 10px;
}
.gc-file.modified { color: #fab387; }
.gc-file.new      { color: var(--green-dot); }

.sb-footer {
  margin-top: auto;
  padding: 8px 14px;
  border-top: 1px solid var(--ide-border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text-muted);
}

.sf-status { display: flex; align-items: center; gap: 6px; }
.dot-green { color: var(--green-dot); font-size: 9px; }

/* Sidebar GitHub stats */
.gh-profile { padding: 4px 14px 10px; }

.gh-profile-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  padding: 5px 0 8px;
  border-bottom: 1px solid var(--ide-border);
  margin-bottom: 8px;
  transition: color 0.15s;
  text-decoration: none;
}
.gh-profile-link:hover { color: var(--py-const); }
.gh-profile-link .gh-arrow { margin-left: auto; opacity: 0.6; font-size: 11px; }

.gh-repos { display: flex; flex-direction: column; gap: 4px; }

.gh-repos-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ide-text-dim);
  padding: 2px 0 4px;
}

.gh-repos-list { display: flex; flex-direction: column; gap: 1px; }

.gh-repo-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 4px;
  border-radius: 3px;
  color: var(--py-var);
  text-decoration: none;
  transition: background 0.12s, color 0.12s;
}
.gh-repo-row:hover { background: rgba(91,163,245,0.08); color: var(--py-const); }
.gh-repo-row .gh-repo-icon { opacity: 0.7; flex: 0 0 auto; }
.gh-repo-row .gh-repo-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gh-repo-row .gh-repo-meta {
  font-size: 10px;
  color: var(--ide-text-dim);
  flex: 0 0 auto;
}

.gh-repo-placeholder {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text-muted);
  padding: 3px 4px;
  font-style: italic;
}

/* ============================================
   PANELS
============================================ */
#panels {
  flex: 1;
  overflow: hidden;
  background: var(--panel-bg);
  position: relative;
}

.panel {
  display: none;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
}

.panel::-webkit-scrollbar { width: 6px; }
.panel::-webkit-scrollbar-track { background: var(--panel-bg); }
.panel::-webkit-scrollbar-thumb { background: var(--ide-border-lt); border-radius: 3px; }

.panel.active { display: block; }

/* ============================================
   PANEL: HOME — Hero section
============================================ */
.hero {
  display: flex;
  align-items: center;
  gap: 5rem;
  padding: 5rem 5rem 4rem;
  min-height: 85vh;
  border-bottom: 1px solid var(--panel-border);
  position: relative;
  overflow: hidden;
}

/* Background glow */
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 600px; height: 500px;
  background: radial-gradient(ellipse, rgba(91,163,245,0.06), transparent 65%);
  pointer-events: none;
}

.hero-content { flex: 1; max-width: 520px; position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ide-text-dim);
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.status-dot {
  width: 7px; height: 7px;
  background: var(--green-dot);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-dot);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 5.8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--text-h);
  margin-bottom: 1.4rem;
}
.hero-name em {
  font-style: italic;
  font-weight: 300;
  color: var(--amber);
}

.hero-role {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 440px;
}
.hero-bio strong { color: var(--py-fn); font-weight: 600; }

.about-right p strong,
.proj-body p strong { color: var(--py-fn); font-weight: 600; }

.hero-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-primary {
  background: var(--accent);
  color: #050810;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.75rem 1.8rem;
  border-radius: 4px;
  transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
  display: inline-block;
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(91,163,245,0.25);
}

.btn-ghost {
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  font-size: 0.88rem;
  padding: 0.75rem 1.8rem;
  border-radius: 4px;
  transition: border-color 0.2s, color 0.2s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost-amber {
  border: 1px solid rgba(240,168,50,0.35);
  color: var(--amber);
  font-size: 0.88rem;
  padding: 0.75rem 1.8rem;
  border-radius: 4px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  display: inline-block;
}
.btn-ghost-amber:hover { border-color: var(--amber); background: rgba(240,168,50,0.06); }

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: var(--ide-text-dim);
}
.hero-socials a { transition: color 0.2s; }
.hero-socials .hero-phone { white-space: nowrap; }
.hero-socials a:hover { color: var(--accent); }
.hero-socials span { color: var(--ide-text-muted); }

/* Photo column */
.hero-photo-col {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.photo-frame {
  position: relative;
  width: 100%;
}

#profileImg {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  /* Beveled corner clip — code-adjacent without being pure code */
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  filter: saturate(0.85) contrast(1.05);
  transition: filter 0.4s;
  border: 1px solid var(--panel-border);
}
#profileImg:hover { filter: saturate(1) contrast(1.02); }

.photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--panel-card);
  border: 1px dashed var(--panel-border);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.ph-mono {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--accent);
  opacity: 0.2;
}

.ph-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text-dim);
  font-style: italic;
}

/* Frame corner brackets */
.frame-corner {
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0.5;
  transition: opacity 0.3s;
}
.photo-frame:hover .frame-corner { opacity: 0.9; }
.frame-corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.frame-corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.frame-corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.frame-corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.photo-caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.caption-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text-dim);
  background: var(--panel-card);
  border: 1px solid var(--panel-border);
  padding: 4px 12px;
  border-radius: 3px;
  width: 100%;
  text-align: center;
  letter-spacing: 0.04em;
}
.caption-chip.accent {
  color: var(--teal);
  border-color: rgba(78,205,196,0.2);
  background: var(--teal-dim);
}

/* ============================================
   ABOUT DEEPER SECTION
============================================ */
.about-section {
  padding: 4rem 5rem;
  background: var(--panel-bg2);
}

.about-cols {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 5rem;
  align-items: start;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-h);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

.stat-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.stat-item { border-left: 2px solid var(--panel-border); padding-left: 1rem; }
.stat-item:first-child { border-left-color: var(--py-const); }

.stat-n {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--py-num);
  line-height: 1;
  margin-bottom: 0.2rem;
}
.stat-item:first-child .stat-n { color: var(--py-const); }

.stat-l {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-right p {
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  color: var(--accent);
  border-bottom: 1px solid rgba(91,163,245,0.35);
  padding-bottom: 1px;
  transition: border-color 0.2s, gap 0.2s;
  margin-top: 0.5rem;
}
.text-link:hover { border-color: var(--accent); gap: 8px; }

/* ============================================
   PANEL HEADER (shared)
============================================ */
.panel-header {
  padding: 4rem 5rem 2.5rem;
  border-bottom: 1px solid var(--panel-border);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-h);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.7rem;
}

.panel-sub {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 540px;
}

/* ============================================
   PANEL: PROJECTS
============================================ */
#panel-projects { background: var(--panel-bg); }

.projects-list {
  display: flex;
  flex-direction: column;
}

.proj {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--panel-border);
  position: relative;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.proj:hover {
  background: rgba(91,163,245,0.04);
  box-shadow: inset 3px 0 0 var(--accent);
}

.proj-meta {
  padding: 2.5rem 1.5rem 2.5rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  border-right: 1px solid var(--panel-border);
}

.proj-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.proj-tags {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.proj-tags span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--py-var);
  line-height: 1.4;
}

.proj-body {
  padding: 2.5rem 4rem 2.5rem 2.5rem;
}

.proj-body h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

/* Full-card link overlay via title anchor */
.proj-title-link {
  color: var(--text-h);
  text-decoration: none;
  display: block;
  transition: color 0.2s;
}
.proj-title-link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
}
.proj:hover .proj-title-link {
  color: var(--py-fn);
}

.proj-body p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 1.5rem;
}

.proj-links {
  display: flex;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  align-items: center;
}

.proj-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--py-kw);
  letter-spacing: 0.04em;
  text-decoration: underline;
  text-decoration-color: rgba(86, 156, 214, 0.35);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.proj-link:hover {
  color: var(--py-const);
  text-decoration-color: var(--py-const);
}

/* GitHub stats section (skills panel) */
.github-stats-section {
  padding: 2.5rem 5rem;
  background: var(--panel-bg2);
  border-top: 1px solid var(--panel-border);
}

.gs-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--panel-border);
}

.gs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.gs-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-width: 0;
}

.gs-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--py-cls);
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--panel-border);
}
.gs-card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--py-var);
  letter-spacing: 0.02em;
}

.gs-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.1rem;
}
.gs-stat { display: flex; flex-direction: column; gap: 2px; }
.gs-stat-n {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--py-num);
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.gs-stat-lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ide-text-dim);
}

.gs-card-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px solid var(--panel-border);
}
.gs-foot-lbl { color: var(--ide-text-dim); text-transform: uppercase; letter-spacing: 0.1em; font-size: 10px; }
.gs-foot-val { color: var(--py-str); }

.gs-langs { display: flex; flex-direction: column; gap: 7px; }
.gs-lang-row { display: flex; flex-direction: column; gap: 3px; }
.gs-lang-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px;
}
.gs-lang-name { color: var(--py-fn); }
.gs-lang-pct { color: var(--ide-text-dim); }
.gs-lang-bar {
  height: 6px;
  background: var(--panel-bg2);
  border-radius: 3px;
  overflow: hidden;
}
.gs-lang-fill {
  height: 100%;
  background: var(--py-cls);
  border-radius: 3px;
}
.gs-lang-placeholder {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ide-text-muted);
  font-style: italic;
}

/* Live site badge */
.proj-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-dot);
  background: rgba(76, 175, 125, 0.07);
  border: 1px solid rgba(76, 175, 125, 0.22);
  border-radius: 3px;
  padding: 5px 12px;
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 1;
  letter-spacing: 0.04em;
  width: fit-content;
}
.proj-live-dot {
  width: 7px;
  height: 7px;
  background: var(--green-dot);
  border-radius: 50%;
  box-shadow: 0 0 7px var(--green-dot);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
.proj-live-url {
  color: var(--py-str);
  text-decoration: underline;
  text-decoration-color: rgba(206, 145, 120, 0.35);
  text-underline-offset: 2px;
}
.proj-live-sep {
  color: var(--ide-text-muted);
  user-select: none;
}

/* ============================================
   PANEL: SKILLS
============================================ */
#panel-skills { background: var(--panel-bg2); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--panel-border);
}

.skill-block {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--panel-border);
  transition: background 0.2s;
}
.skill-block:last-child { border-right: none; }
.skill-block:hover { background: rgba(255,255,255,0.02); }
.skill-block.highlight {
  background: rgba(91,163,245,0.04);
  border-top: 2px solid var(--accent);
}

.skill-block-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--panel-border);
}

.skill-block ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }

.skill-block li {
  font-size: 0.9rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s, padding-left 0.2s;
}
.skill-block li::before {
  content: '›';
  color: var(--panel-border);
  font-size: 1.1rem;
  line-height: 1;
  transition: color 0.2s;
}
.skill-block:hover li { color: var(--text-b); padding-left: 2px; }
.skill-block:hover li::before { color: var(--accent); }

.currently-box {
  padding: 2.5rem 5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--panel-bg);
}

.cb-label,
.cot-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--py-ctrl);
  flex-shrink: 0;
}

.cot-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cot-chips span {
  font-size: 0.85rem;
  color: var(--text-dim);
  background: var(--panel-card);
  border: 1px solid var(--panel-border);
  padding: 5px 14px;
  border-radius: 100px;
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}
.cot-chips span:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================
   PANEL: CONTACT
============================================ */
#panel-contact { background: var(--panel-bg); }

.contact-hero {
  padding: 5rem 5rem 4rem;
  border-bottom: 1px solid var(--panel-border);
  position: relative;
  overflow: hidden;
}
.contact-hero::after {
  content: '';
  position: absolute;
  bottom: -80px; right: -80px;
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(78,205,196,0.07), transparent 70%);
  pointer-events: none;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  color: var(--text-h);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.contact-heading em {
  font-style: italic;
  font-weight: 300;
  color: var(--teal);
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.8;
}

/* CONTACT FORM */
.contact-form {
  margin: 0 5rem 2.5rem;
  padding: 1.5rem 1.6rem 1.7rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cf-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 0.9rem;
  margin-bottom: 0.3rem;
  border-bottom: 1px solid var(--panel-border);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.cf-prompt { color: var(--py-cls); }
.cf-prompt-cmd { color: var(--py-fn); }

.cf-row { display: flex; gap: 1rem; }
.cf-row-2 > .cf-field { flex: 1; min-width: 0; }

.cf-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.cf-field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--py-var);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cf-optional, .cf-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--py-cmt);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.cf-meta { color: var(--ide-text-dim); }

.cf-field input,
.cf-field textarea {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-h);
  background: var(--panel-bg2);
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  padding: 9px 11px;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  width: 100%;
  box-sizing: border-box;
}
.cf-field input::placeholder,
.cf-field textarea::placeholder { color: var(--ide-text-muted); }
.cf-field textarea { resize: vertical; min-height: 7rem; line-height: 1.55; }

.cf-field input:focus,
.cf-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--panel-bg);
}

.cf-field input.cf-invalid,
.cf-field textarea.cf-invalid {
  border-color: var(--py-str);
  box-shadow: 0 0 0 3px rgba(206, 145, 120, 0.12);
}

.cf-err {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--py-str);
  min-height: 1em;
  letter-spacing: 0.02em;
}

.cf-honey {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.cf-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 0.3rem;
}

.cf-submit {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: 9px 18px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.05s;
}
.cf-submit-arrow { color: var(--py-cls); }
.cf-submit:hover {
  background: var(--accent-glow);
  color: var(--py-const);
}
.cf-submit:active { transform: translateY(1px); }
.cf-submit:disabled { opacity: 0.55; cursor: wait; }

.cf-status {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ide-text-dim);
  min-height: 1.2em;
  letter-spacing: 0.02em;
}
.cf-status-pending { color: var(--py-const); }
.cf-status-ok      { color: var(--green-dot); }
.cf-status-err     { color: var(--py-str); }

.contact-links {
  border-bottom: 1px solid var(--panel-border);
  border-top: 1px solid var(--panel-border);
}

.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 5rem;
  border-bottom: 1px solid var(--panel-border);
  transition: background 0.2s, padding-left 0.25s;
}
.contact-row:last-child { border-bottom: none; }
.contact-row:hover { background: var(--panel-card); padding-left: calc(5rem + 8px); }

.cr-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cr-type {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--py-str);
}

.cr-val {
  font-size: 1rem;
  color: var(--text-b);
  transition: color 0.2s;
}
.contact-row:hover .cr-val { color: var(--teal); }

.cr-arrow {
  font-size: 1.1rem;
  color: var(--panel-border);
  transition: color 0.2s, transform 0.2s;
}
.contact-row:hover .cr-arrow { color: var(--teal); transform: translate(3px, -3px); }

.contact-open-to {
  padding: 2.5rem 5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--panel-bg2);
}

/* reuse .cot-* styles from skills */

/* ============================================
   PANEL: PUBLICATIONS — annotated index
============================================ */
#panel-publications { background: var(--panel-bg); }

.pub-panel-eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.icon-pub { color: var(--py-fn); }

.pub-annot-list { display: flex; flex-direction: column; }

.pub-annot-entry {
  display: grid;
  grid-template-columns: 64px 1fr;
  border-bottom: 1px solid var(--panel-border);
  transition: background 0.2s;
  position: relative;
}
.pub-annot-entry:last-child { border-bottom: none; }
.pub-annot-entry:hover { background: rgba(91,163,245,0.03); }

.pub-annot-num-col {
  padding: 2.5rem 1rem 2.5rem 1.5rem;
  border-right: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.pub-annot-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.pub-annot-year {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ide-text-muted);
  background: var(--panel-card);
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  padding: 2px 6px;
  text-align: center;
}

.pub-annot-body { padding: 2.5rem 3rem 2.5rem 2rem; }

.pub-venue-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.pub-venue-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(78,201,176,0.2);
  border-radius: 3px;
  padding: 2px 8px;
}
.pub-venue-chip.amber {
  color: var(--amber);
  background: var(--amber-dim);
  border-color: rgba(240,168,50,0.2);
}

.pub-venue-loc {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ide-text-muted);
}

.pub-annot-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-h);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}

.pub-annot-abstract {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 1.2rem;
  border-left: 2px solid var(--panel-border);
  padding-left: 1rem;
  font-style: italic;
}

.pub-annot-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.pub-annot-title-link {
  color: inherit;
  text-decoration: none;
}
.pub-annot-title-link::after {
  content: '';
  position: absolute;
  inset: 0;
}

.pub-doi-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(91,163,245,0.35);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.pub-doi-link:hover { color: var(--py-const); text-decoration-color: var(--py-const); }

.pub-read-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--py-kw);
  text-decoration: underline;
  text-decoration-color: rgba(86,156,214,0.35);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.pub-read-link:hover { color: var(--py-const); text-decoration-color: var(--py-const); }

.pub-doi-pending {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--py-cmt);
  font-style: italic;
}

/* ============================================
   HOME: PUBLICATIONS BEACON SECTION
============================================ */
.pub-beacon-section {
  padding: 4rem 5rem;
  background: var(--panel-bg);
  border-top: 1px solid var(--panel-border);
  position: relative;
  overflow: hidden;
}
.pub-beacon-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 380px; height: 300px;
  background: radial-gradient(ellipse, rgba(240,168,50,0.05), transparent 65%);
  pointer-events: none;
}

.pub-beacon-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.pub-beacon-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ide-text-dim);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.pub-beacon-heading {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-h);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.pub-beacon-heading em {
  font-style: italic;
  font-weight: 300;
  color: var(--amber);
}

.pub-beacon-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.pub-beacon-stat-n {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}
.pub-beacon-stat-l {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ide-text-muted);
  text-align: right;
}

.pub-beacon-papers { display: flex; flex-direction: column; }

.pub-beacon-paper {
  display: grid;
  grid-template-columns: 3px 1fr;
  gap: 1.2rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--panel-border);
  cursor: pointer;
  color: inherit;
  text-decoration: none;
  transition: background 0.15s;
}
.pub-beacon-paper:last-child { border-bottom: none; }
.pub-beacon-paper:hover .pub-beacon-paper-inner { padding-left: 6px; }

.pub-beacon-bar {
  border-radius: 2px;
  width: 3px;
  align-self: stretch;
  flex-shrink: 0;
}
.pub-beacon-bar-1 { background: linear-gradient(to bottom, var(--accent), var(--teal)); }
.pub-beacon-bar-2 { background: linear-gradient(to bottom, var(--amber), var(--py-str)); }
.pub-beacon-bar-3 { background: linear-gradient(to bottom, var(--teal), var(--py-cmt)); }

.pub-beacon-paper-inner { transition: padding-left 0.2s; min-width: 0; }

.pub-beacon-paper-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
}

.pub-beacon-venue {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pub-beacon-venue.amber { color: var(--amber); }

.pub-beacon-loc {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ide-text-muted);
}

.pub-beacon-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-h);
  line-height: 1.4;
  margin-bottom: 0.4rem;
  transition: color 0.15s;
}
.pub-beacon-paper:hover .pub-beacon-title { color: var(--py-fn); }

.pub-beacon-doi {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent);
}
.pub-beacon-doi.pending { color: var(--py-cmt); }

.pub-beacon-footer {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pub-beacon-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(91,163,245,0.35);
  text-underline-offset: 3px;
  transition: gap 0.2s, text-decoration-color 0.2s;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}
.pub-beacon-all:hover { gap: 8px; text-decoration-color: var(--accent); }

.pub-beacon-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--py-cmt);
}

/* ============================================
   STATUS BAR
============================================ */
#statusbar {
  flex: 0 0 var(--statusbar-h);
  height: var(--statusbar-h);
  background: var(--ide-statusbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  z-index: 50;
  overflow: hidden;
}

.sb-l, .sb-r {
  display: flex;
  align-items: center;
}

.sb-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.82);
  padding: 0 10px;
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  cursor: default;
  white-space: nowrap;
  transition: background 0.15s;
}
.sb-chip:hover { background: rgba(255,255,255,0.12); }
.sb-chip.branch { background: rgba(0,0,0,0.2); }
.sb-chip.warn { color: #ffe082; }

/* ============================================
   REVEAL ANIMATIONS
============================================ */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel.active .hero-content > * {
  animation: slideUp 0.5s ease both;
}
.panel.active .hero-eyebrow    { animation-delay: 0.05s; }
.panel.active .hero-name       { animation-delay: 0.12s; }
.panel.active .hero-role       { animation-delay: 0.19s; }
.panel.active .hero-bio        { animation-delay: 0.26s; }
.panel.active .hero-links      { animation-delay: 0.33s; }
.panel.active .hero-socials    { animation-delay: 0.40s; }
.panel.active .hero-photo-col  { animation: slideUp 0.6s ease 0.2s both; }

.panel.active .panel-header { animation: slideUp 0.4s ease 0.05s both; }
.panel.active .contact-hero { animation: slideUp 0.4s ease 0.05s both; }

/* ============================================
   MOBILE BOTTOM NAV
============================================ */
#mobile-nav {
  display: none; /* hidden on desktop */
  flex-shrink: 0;
  background: var(--ide-titlebar);
  border-top: 1px solid var(--ide-border);
  height: 56px;
  z-index: 60;
}

.mnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  border-top: 2px solid transparent;
  color: var(--ide-text-muted);
  cursor: pointer;
  padding: 6px 4px 4px;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  text-decoration: none;
  font-family: var(--font-mono);
  /* prevent tap highlight on mobile */
  -webkit-tap-highlight-color: transparent;
}

.mnav-item:hover,
.mnav-item:active {
  background: var(--ide-hover);
  color: var(--ide-text);
}

.mnav-item.active {
  color: var(--accent);
  border-top-color: var(--accent);
  background: rgba(91, 163, 245, 0.06);
}

.mnav-item.mnav-resume {
  color: var(--green-dot);
}
.mnav-item.mnav-resume:hover {
  color: var(--green-dot);
  background: rgba(76, 175, 125, 0.08);
}

.mnav-icon {
  font-size: 14px;
  line-height: 1;
}

.mnav-label {
  font-size: 10px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* ============================================
   PYTHON INTELLISENSE EMPHASIS UTILITIES
============================================ */
.py-fn    { color: var(--py-fn); }
.py-cls   { color: var(--py-cls); }
.py-var   { color: var(--py-var); }
.py-kw    { color: var(--py-kw); }
.py-ctrl  { color: var(--py-ctrl); }
.py-str   { color: var(--py-str); }
.py-num   { color: var(--py-num); }
.py-const { color: var(--py-const); }
.py-cmt   { color: var(--py-cmt); }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1100px) {
  :root { --sidebar-w: 185px; }
  .hero { padding: 4rem 3.5rem; gap: 3rem; }
  .about-section { padding: 3.5rem; }
  .about-cols { gap: 3rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .skill-block:nth-child(2n) { border-right: none; }
  .skill-block:nth-child(1),
  .skill-block:nth-child(2) { border-bottom: 1px solid var(--panel-border); }
  .panel-header { padding: 3rem 3.5rem 2rem; }
  .proj-meta { padding: 2rem 1.2rem 2rem 0.5rem; }
  .proj-body { padding: 2rem 2.5rem 2rem 2rem; }
  .contact-hero { padding: 4rem 3.5rem 3rem; }
  .contact-row { padding: 1.4rem 3.5rem; }
  .contact-row:hover { padding-left: calc(3.5rem + 8px); }
  .contact-open-to { padding: 2rem 3.5rem; }
  .contact-form { margin: 0 3.5rem 2.2rem; }
  .currently-box { padding: 2rem 3.5rem; }
  .pub-beacon-section { padding: 3.5rem; }
  .pub-annot-body { padding: 2rem 2.5rem 2rem 1.5rem; }
  .pub-annot-num-col { padding: 2rem 1rem 2rem 1.2rem; }
}

@media (max-width: 860px) {
  /* Hide desktop sidebar — mobile nav takes over */
  #sidebar { display: none; }

  /* Show mobile bottom nav */
  #mobile-nav {
    display: flex;
  }

  /* Hide the redundant title bar tabs on mobile (bottom nav replaces them) */
  .tb-tabs { display: none; }
  .tb-dots { display: none; }
  /* Make title bar just show the resume pill on mobile */
  #titlebar {
    justify-content: flex-end;
  }

  .hero { flex-direction: column-reverse; min-height: auto; padding: 3rem 2rem; }
  .hero-photo-col { flex: 0 0 auto; width: 200px; }
  .about-section { padding: 3rem 2rem; }
  .about-cols { grid-template-columns: 1fr; gap: 2rem; }
  .panel-header { padding: 2.5rem 2rem 1.5rem; }
  .proj { grid-template-columns: 1fr; }
  .proj-meta {
    flex-direction: row; align-items: center; padding: 1.2rem 2rem;
    border-right: none; border-bottom: 1px solid var(--panel-border);
  }
  .proj-body { padding: 1.5rem 2rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .contact-hero { padding: 3rem 2rem; }
  .contact-row { padding: 1.3rem 2rem; }
  .contact-row:hover { padding-left: calc(2rem + 8px); }
  .contact-open-to { padding: 1.5rem 2rem; flex-wrap: wrap; }
  .contact-form { margin: 0 2rem 2rem; padding: 1.2rem 1.2rem 1.4rem; }
  .cf-row { flex-direction: column; gap: 1rem; }
  .currently-box { padding: 1.5rem 2rem; flex-wrap: wrap; }
  /* Hide decorative statusbar chips that cause horizontal overflow */
  .sb-r .sb-chip:not(#sb-panel) { display: none; }
  .sb-l .sb-chip:not(.branch):not(.warn) { display: none; }
  .pub-beacon-section { padding: 3rem 2rem; }
  .pub-beacon-top { flex-direction: column; gap: 1rem; }
  .pub-beacon-stat { align-items: flex-start; }
  .pub-beacon-stat-l { text-align: left; }
  .pub-annot-entry { grid-template-columns: 1fr; }
  .pub-annot-num-col {
    flex-direction: row;
    padding: 1rem 2rem;
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
    justify-content: flex-start;
  }
  .pub-annot-body { padding: 1.5rem 2rem; }
}

@media (max-width: 560px) {
  .skills-grid { grid-template-columns: 1fr; }
  .skill-block { border-right: none !important; border-bottom: 1px solid var(--panel-border); }
  .skill-block:last-child { border-bottom: none; }
  .hero-name { font-size: 3rem; }
  .contact-heading { font-size: 2.4rem; }
  .panel-title { font-size: 2.3rem; }
  .hero-links { flex-direction: column; }
  .btn-primary, .btn-ghost, .btn-ghost-amber { text-align: center; }
  /* Tighter label on very small screens */
  .mnav-label { font-size: 9px; }
  .pub-beacon-heading { font-size: 1.8rem; }
  .pub-beacon-stat-n { font-size: 3rem; }
}

/* ============================================
   ACCESSIBILITY UTILITIES
============================================ */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--panel-card);
  color: var(--text-h);
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
  transition: top 0.15s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 8px;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Anchor variant of tree-item — same layout, no underline */
a.tree-item,
a.tree-item-link {
  text-decoration: none;
  color: inherit;
}

/* ============================================
   FOCUS VISIBLE — keyboard-accessible outline
============================================ */
:focus { outline: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Form inputs already provide a visible accent border on focus —
   keep their look intact while still meeting WCAG 2.4.7 */
.cf-field input:focus-visible,
.cf-field textarea:focus-visible {
  outline-offset: 0;
}

/* main panel container — remove default focus ring on programmatic focus */
#panels:focus { outline: none; }
#panels:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ============================================
   REDUCED MOTION — respect user preference
============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}