/* ================================================================
   Design Tokens - Mint / Teal / Forest palette
   ================================================================ */
:root {
  --color-bg:        #080f0e;
  --color-surface:   #0d1a18;
  --color-surface-2: #122420;
  --color-border:    rgba(52,211,153,0.14);
  --color-border-2:  rgba(52,211,153,0.28);

  /* Accent: mint-teal → emerald */
  --color-accent:    #0d9488;   /* teal-600  */
  --color-accent-2:  #2dd4bf;   /* teal-400  */
  --color-glow:      #6ee7b7;   /* emerald-300 */
  --color-glow-2:    #34d399;   /* emerald-400 */

  /* Secondary pop: warm amber for contrast (sparingly) */
  --color-warm:      #f59e0b;

  --color-text:      #ecfdf5;   /* almost white, green tinted */
  --color-muted:     #6b9e92;
  --color-dimmer:    #3d6b61;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-card: 0 4px 32px rgba(13,148,136,0.10), 0 1px 4px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 50px rgba(45,212,191,0.18);

  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);

  --nav-h: 68px;
  --max-w: 1100px;
}

/* ================================================================
   Reset & Base
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: var(--color-accent-2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-glow); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }

/* ================================================================
   Background mesh
   ================================================================ */
.bg-mesh {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.bg-mesh::before, .bg-mesh::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(110px); opacity: 0.15;
  animation: meshFloat 16s ease-in-out infinite alternate;
}
.bg-mesh::before {
  width: 720px; height: 720px; top: -200px; left: -200px;
  background: radial-gradient(circle, #0d9488, transparent 70%);
}
.bg-mesh::after {
  width: 580px; height: 580px; bottom: -150px; right: -100px;
  background: radial-gradient(circle, #6ee7b7, transparent 70%);
  animation-delay: -8s; opacity: 0.10;
}
@keyframes meshFloat {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(50px,35px) scale(1.08); }
  100% { transform: translate(-20px,70px) scale(0.96); }
}

/* ================================================================
   Nav
   ================================================================ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 clamp(1rem,5vw,2.5rem);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
#nav.scrolled {
  background: rgba(8,15,14,0.88);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}
.nav-inner {
  width: 100%; max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1.05rem; font-weight: 700;
  color: var(--color-text); letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 0.5rem; transition: color var(--transition);
}
.nav-logo:hover { color: var(--color-accent-2); }
.nav-logo .logo-bracket { color: var(--color-accent-2); font-weight: 400; }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
  color: var(--color-muted); font-size: 0.875rem; font-weight: 500;
  padding: 0.45rem 0.85rem; border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition); letter-spacing: 0.01em;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-text); background: rgba(13,148,136,0.15);
}
a.nav-cta {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2)) !important;
  color: #fff !important; font-weight: 600 !important;
}
a.nav-cta:hover {
  box-shadow: 0 0 20px rgba(45,212,191,0.4);
  transform: translateY(-1px); color: #fff !important;
}

#nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
#nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); border-radius: 2px; transition: var(--transition);
}
#nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
#nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================================
   Layout
   ================================================================ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(1rem,5vw,2rem); }
.section { padding: clamp(5rem,10vw,8rem) 0; }

.section-label {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-accent-2); margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem,4vw,2.5rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-text) 55%, var(--color-accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { color: var(--color-muted); font-size: 1.05rem; max-width: 540px; margin-bottom: 3rem; }

/* ================================================================
   Buttons
   ================================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.9rem; padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
  border: none; letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #051210; font-weight: 700;
  box-shadow: 0 4px 20px rgba(13,148,136,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(45,212,191,0.45); color: #051210; }

.btn-ghost {
  background: transparent; color: var(--color-text);
  border: 1px solid var(--color-border-2);
}
.btn-ghost:hover {
  background: rgba(13,148,136,0.1);
  border-color: var(--color-accent-2); color: var(--color-text);
}

/* ================================================================
   Hero
   ================================================================ */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: var(--nav-h); position: relative; overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent-2);
  background: rgba(13,148,136,0.12); border: 1px solid var(--color-border-2);
  padding: 0.35rem 0.9rem; border-radius: 999px; margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-glow-2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.4; transform:scale(0.8); }
}

.hero-name {
  font-size: clamp(2.5rem,6vw,4.5rem); font-weight: 900;
  letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 0.5rem;
  background: linear-gradient(150deg, #fff 30%, var(--color-accent-2) 65%, var(--color-glow));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-role {
  font-size: clamp(1rem,2.5vw,1.35rem); font-weight: 400; color: var(--color-muted);
  margin-bottom: 1.75rem; letter-spacing: -0.01em;
}
.hero-role strong { color: var(--color-text); font-weight: 600; }

.hero-desc {
  color: var(--color-muted); font-size: 1rem; max-width: 480px;
  margin-bottom: 2.25rem; line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero card */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-card {
  position: relative;
  background: rgba(13,26,24,0.75); border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl); padding: 2.5rem;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  width: 100%; max-width: 380px;
  animation: heroCardFloat 6s ease-in-out infinite alternate;
}
@keyframes heroCardFloat { 0% { transform:translateY(0); } 100% { transform:translateY(-14px); } }

.hero-card-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-glow));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin-bottom: 1.25rem;
  box-shadow: 0 0 28px rgba(110,231,183,0.35);
}
.hero-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
.hero-card .card-role {
  font-size: 0.825rem; color: var(--color-accent-2); font-family: var(--font-mono); margin-bottom: 1.5rem;
}

.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.75rem; margin-top: 1.5rem;
  border-top: 1px solid var(--color-border); padding-top: 1.5rem;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent-2), var(--color-glow));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  display: block; line-height: 1.2;
}
.hero-stat .label {
  font-size: 0.72rem; color: var(--color-muted); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.hero-socials { display: flex; gap: 0.75rem; margin-top: 1.25rem; }
.social-link {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: rgba(13,148,136,0.15); border: 1px solid var(--color-border);
  color: var(--color-muted); font-size: 1rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.social-link:hover {
  background: rgba(13,148,136,0.3); border-color: var(--color-accent-2);
  color: var(--color-text); transform: translateY(-2px);
}

/* ================================================================
   About
   ================================================================ */
#about { background: linear-gradient(180deg, transparent, rgba(13,148,136,0.04), transparent); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }

.about-text p { color: var(--color-muted); font-size: 1rem; line-height: 1.8; margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }
.about-text strong { color: var(--color-text); font-weight: 600; }

.about-edu-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.75rem;
}
.about-edu {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}
.about-edu:hover {
  border-color: var(--color-accent-2);
  transform: translateY(-2px);
}
.about-edu-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.about-edu h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.2rem; }
.about-edu p { font-size: 0.825rem; color: var(--color-muted); margin: 0 !important; }

/* ================================================================
   Skills - with language icons
   ================================================================ */
.skills-group { margin-bottom: 1.75rem; }
.skills-group:last-child { margin-bottom: 0; }
.skills-group-label {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-dimmer); margin-bottom: 0.75rem;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  padding: 0.35rem 0.8rem; border-radius: 999px; border: 1px solid transparent;
  transition: var(--transition); cursor: default;
  display: inline-flex; align-items: center; gap: 0.4rem;
}

/* Default teal */
.tag-primary {
  background: rgba(13,148,136,0.18); border-color: rgba(13,148,136,0.4); color: var(--color-accent-2);
}
.tag-primary:hover {
  background: rgba(13,148,136,0.30); border-color: var(--color-accent-2);
  box-shadow: 0 0 12px rgba(45,212,191,0.2);
}

/* Secondary teal-light */
.tag-secondary {
  background: rgba(52,211,153,0.08); border-color: rgba(52,211,153,0.25); color: var(--color-glow-2);
}
.tag-secondary:hover { background: rgba(52,211,153,0.16); border-color: var(--color-glow-2); }

/* Language-specific colors */
.tag-csharp {
  background: rgba(147,91,220,0.15); border-color: rgba(147,91,220,0.35); color: #c084fc;
}
.tag-csharp:hover { background: rgba(147,91,220,0.25); border-color: #c084fc; }

.tag-python {
  background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.35); color: #93c5fd;
}
.tag-python:hover { background: rgba(59,130,246,0.25); border-color: #93c5fd; }

.tag-java {
  background: rgba(239,68,68,0.14); border-color: rgba(239,68,68,0.32); color: #fca5a5;
}
.tag-java:hover { background: rgba(239,68,68,0.22); border-color: #fca5a5; }

.tag-cpp {
  background: rgba(14,116,144,0.18); border-color: rgba(14,116,144,0.38); color: #67e8f9;
}
.tag-cpp:hover { background: rgba(14,116,144,0.28); border-color: #67e8f9; }

.tag-gdscript {
  background: rgba(59,213,88,0.12); border-color: rgba(59,213,88,0.30); color: #86efac;
}
.tag-gdscript:hover { background: rgba(59,213,88,0.20); border-color: #86efac; }

.tag-engine {
  background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.30); color: #fcd34d;
}
.tag-engine:hover { background: rgba(245,158,11,0.20); border-color: #fcd34d; }

/* icon in tag */
.tag-icon { width: 13px; height: 13px; flex-shrink: 0; }

/* Tag warm (for Meta Quest / highlight) */
.tag-warm {
  background: rgba(245,158,11,0.14); border-color: rgba(245,158,11,0.35); color: #fbbf24;
}
.tag-warm:hover { background: rgba(245,158,11,0.24); border-color: #fbbf24; }

/* ================================================================
   Git Commit Tree Timeline - Commercial, Personal, Education
   ================================================================ */
#experience {
  position: relative;
  background: linear-gradient(180deg, transparent, rgba(13,148,136,0.03), transparent);
}

/* Branch colors: Commercial = Amber/Yellow, Personal = Mint/Emerald, Education = Sky Blue */
:root {
  --branch-comm:        #f59e0b;  /* Amber / Gold - Commercial */
  --branch-comm-glow:   rgba(245, 158, 11, 0.35);
  --branch-comm-bg:     rgba(245, 158, 11, 0.12);
  --branch-comm-border: rgba(245, 158, 11, 0.35);

  --branch-pers:        #10b981;  /* Mint / Emerald - Personal */
  --branch-pers-glow:   rgba(16, 185, 129, 0.35);
  --branch-pers-bg:     rgba(16, 185, 129, 0.12);
  --branch-pers-border: rgba(16, 185, 129, 0.35);

  --branch-edu:         #38bdf8;  /* Sky Blue - Education */
  --branch-edu-glow:    rgba(56, 189, 248, 0.35);
  --branch-edu-bg:      rgba(56, 189, 248, 0.12);
  --branch-edu-border:  rgba(56, 189, 248, 0.35);
}

/* Branch switcher / legend bar */
.git-branch-bar {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.git-branch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: rgba(13,26,24,0.7);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  cursor: pointer;
  transition: var(--transition);
}

.git-branch-btn:hover {
  border-color: var(--color-accent-2);
  color: var(--color-text);
  background: rgba(13,148,136,0.15);
}

.git-branch-btn.active {
  background: rgba(13,148,136,0.25);
  border-color: var(--color-accent-2);
  color: var(--color-text);
  box-shadow: 0 0 16px rgba(45,212,191,0.25);
}

.git-branch-btn[data-branch="commercial"].active {
  border-color: var(--branch-comm);
  box-shadow: 0 0 16px var(--branch-comm-glow);
}

.git-branch-btn[data-branch="personal"].active {
  border-color: var(--branch-pers);
  box-shadow: 0 0 16px var(--branch-pers-glow);
}

.git-branch-btn[data-branch="education"].active {
  border-color: var(--branch-edu);
  box-shadow: 0 0 16px var(--branch-edu-glow);
}

.branch-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.branch-dot.branch-commercial { background: var(--branch-comm); box-shadow: 0 0 8px var(--branch-comm); }
.branch-dot.branch-personal   { background: var(--branch-pers); box-shadow: 0 0 8px var(--branch-pers); }
.branch-dot.branch-education  { background: var(--branch-edu);  box-shadow: 0 0 8px var(--branch-edu); }

/* Git Tree Graph - Fork & Merge Architecture */
.git-tree {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.git-project-branch {
  position: relative;
  display: flex;
  flex-direction: column;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.git-project-branch.hidden {
  display: none;
}

/* Branch color mapping */
.git-project-branch.branch-commercial {
  --node-color:  var(--branch-comm);
  --node-glow:   var(--branch-comm-glow);
  --node-bg:     var(--branch-comm-bg);
  --node-border: var(--branch-comm-border);
}
.git-project-branch.branch-personal {
  --node-color:  var(--branch-pers);
  --node-glow:   var(--branch-pers-glow);
  --node-bg:     var(--branch-pers-bg);
  --node-border: var(--branch-pers-border);
}
.git-project-branch.branch-education {
  --node-color:  var(--branch-edu);
  --node-glow:   var(--branch-edu-glow);
  --node-bg:     var(--branch-edu-bg);
  --node-border: var(--branch-edu-border);
}

/* Fork & Merge Lifecycle Rows */
.git-branch-event {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 28px;
}

.git-event-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-dimmer);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(13,26,24,0.45);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.git-cmd {
  font-weight: 700;
  color: var(--color-muted);
}

.git-branch-name {
  font-weight: 600;
  color: var(--node-color);
}

.git-event-date, .git-event-status {
  font-size: 0.68rem;
  color: var(--color-dimmer);
}

.git-event-status.status-ongoing {
  color: var(--branch-comm);
  font-weight: 700;
}

.git-project-branch:hover .git-event-label {
  border-color: var(--node-border);
  background: var(--node-bg);
  color: var(--color-text);
}

/* Rail geometry & SVG curves */
/* ================================================================
   Compact Multi-Lane Git Graph (VS Code / GitKraken inspired)
   ================================================================ */
.git-tree {
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
}

.git-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  position: relative;
  min-height: 44px;
  z-index: 1;
}

.git-row:hover,
.git-row:focus-within,
.git-row.active {
  z-index: 200;
}

.git-row-bundle {
  z-index: 2;
}

.git-row-bundle:hover,
.git-row-bundle:focus-within,
.git-row-bundle.active {
  z-index: 300;
}

.git-rail {
  width: 84px;
  height: 44px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.git-rail-svg {
  width: 84px;
  height: 44px;
  display: block;
}

/* SVG Line and Curve Geometry */
.svg-line,
.svg-curve {
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition), filter var(--transition);
}

.svg-line-main {
  stroke: #0284c7;
  stroke-width: 2.2;
}

.line-commercial, .curve-commercial { stroke: #f59e0b; }
.line-education, .curve-education   { stroke: #a855f7; }
.line-personal, .curve-personal     { stroke: #10b981; }

/* Commit and Bundle Dots */
.svg-commit-dot {
  fill: #080f0e;
  stroke-width: 2.2;
  transition: transform var(--transition), fill var(--transition), filter var(--transition);
}

.dot-commercial { stroke: #f59e0b; }
.dot-education  { stroke: #a855f7; }
.dot-personal   { stroke: #10b981; }

.git-row:hover .svg-commit-dot.dot-commercial { fill: #f59e0b; filter: drop-shadow(0 0 8px #f59e0b); }
.git-row:hover .svg-commit-dot.dot-education  { fill: #a855f7; filter: drop-shadow(0 0 8px #a855f7); }
.git-row:hover .svg-commit-dot.dot-personal   { fill: #10b981; filter: drop-shadow(0 0 8px #10b981); }

.svg-bundle-ring {
  fill: rgba(8,15,14,0.9);
  stroke-width: 1.8;
  stroke-dasharray: 2.5 2;
}

.svg-bundle-inner {
  fill: #f59e0b;
}

.git-row:hover .svg-bundle-ring {
  filter: drop-shadow(0 0 6px rgba(245,158,11,0.6));
}

/* Row Content Layout */
.git-row-body {
  flex: 1;
  min-width: 0;
}

.git-row-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(13,26,24,0.5);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.git-row:hover .git-row-header,
.git-row-header:focus-visible,
.git-row.active .git-row-header {
  background: rgba(13,26,24,0.95);
  border-color: rgba(255,255,255,0.18);
  transform: translateX(3px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.git-row.active .git-row-header {
  border-color: var(--node-color, #38bdf8);
}

/* Branch Pill Badges */
.git-branch-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.12rem 0.5rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.badge-commercial { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px dashed rgba(245,158,11,0.45); }
.badge-education  { background: rgba(168,85,247,0.12); color: #c084fc; border: 1px dashed rgba(168,85,247,0.45); }
.badge-personal   { background: rgba(16,185,129,0.12); color: #34d399; border: 1px dashed rgba(16,185,129,0.45); }

.git-hash {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-dimmer);
  background: rgba(255,255,255,0.05);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.git-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 140px;
}

.git-duration {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.git-inspect-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-dimmer);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
  transition: color var(--transition);
}

.git-row:hover .git-inspect-hint,
.git-row.active .git-inspect-hint {
  color: var(--color-accent-2);
}

/* Accordion Drawer for Major Projects */
.git-drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.git-row.active .git-drawer {
  max-height: 600px;
}

.git-drawer-inner {
  padding: 1.15rem 1.25rem;
  margin-top: 0.4rem;
  background: rgba(8,15,14,0.92);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
}

/* Collapsed Bundle Node */
.git-bundle-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.85rem;
  border-radius: 999px;
  background: rgba(245,158,11,0.08);
  border: 1px dashed rgba(245,158,11,0.35);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #fbbf24;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
}

.git-bundle-pill:hover,
.git-bundle-pill:focus-visible,
.git-bundle-pill.active {
  background: rgba(245,158,11,0.16);
  border-color: rgba(245,158,11,0.6);
  transform: translateX(2px);
  box-shadow: 0 4px 16px rgba(245,158,11,0.15);
}

.bundle-icon {
  font-size: 0.85rem;
}

.bundle-count {
  font-weight: 600;
}

.bundle-date {
  color: var(--color-muted);
  font-size: 0.68rem;
}

.bundle-hint {
  font-size: 0.65rem;
  color: var(--color-dimmer);
}

/* Tooltip Popover for Bundled Projects */
.bundle-popover {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 500;
  width: 460px;
  max-width: 90vw;
  background-color: #0b1715 !important;
  background: #0b1715 !important;
  opacity: 1 !important;
  border: 1px solid rgba(245,158,11,0.5);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  box-shadow: 0 16px 44px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.9), 0 0 0 1px rgba(245,158,11,0.25);
  pointer-events: auto;
}

/* Hover bridge so cursor never drops hover between pill and popover */
.bundle-popover::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 12px;
}

.git-bundle-pill:hover .bundle-popover,
.git-bundle-pill:focus-within .bundle-popover,
.git-bundle-pill.active .bundle-popover {
  display: block;
}

.bundle-popover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.65rem;
  margin-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
}

.bundle-popover-header strong {
  color: #fbbf24;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.bundle-popover-header span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #94a3b8;
}

.bundle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 290px;
  overflow-y: auto;
}

.bundle-item {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.bundle-item:last-child {
  border-bottom: none;
}

.bundle-item-header {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  color: #f1f5f9;
  margin-bottom: 0.25rem;
}

.bundle-item-header .git-hash {
  color: #38bdf8;
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.25);
}

.bundle-item-header strong {
  color: #ffffff;
  font-weight: 600;
  font-size: 0.84rem;
}

.bundle-item-date {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #94a3b8;
  white-space: nowrap;
}

.bundle-item-sub {
  display: flex;
  gap: 0.75rem;
  font-size: 0.72rem;
  flex-wrap: wrap;
}

.bundle-platform {
  color: #38bdf8;
  font-weight: 500;
}

.bundle-tech {
  color: #cbd5e1;
}

.bundle-tech {
  color: var(--color-muted);
}
.drawer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.drawer-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-2);
}

.drawer-platform {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

.drawer-desc {
  font-size: 0.86rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.drawer-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
  padding: 0;
}

.drawer-highlights li {
  font-size: 0.82rem;
  color: #cbd5e1;
  line-height: 1.55;
  position: relative;
  padding-left: 1.2rem;
}

.drawer-highlights li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-2);
  font-size: 0.85rem;
}

.drawer-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.drawer-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.popover-tech {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text);
  white-space: nowrap;
}

.popover-links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.popover-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(13,148,136,0.14);
  border: 1px solid rgba(45,212,191,0.3);
  color: var(--color-accent-2);
  transition: var(--transition);
}

.popover-link:hover {
  background: var(--color-accent-2);
  color: #051210;
  border-color: var(--color-accent-2);
  box-shadow: 0 0 14px rgba(45,212,191,0.4);
}

/* ================================================================
   Catalog CTA Banner
   ================================================================ */
.catalog-cta-banner {
  margin-top: 3.5rem;
  background: linear-gradient(135deg, rgba(13,148,136,0.15), rgba(45,212,191,0.05));
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.catalog-cta-content h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.45rem;
  letter-spacing: -0.01em;
}

.catalog-cta-content p {
  color: var(--color-muted);
  font-size: 0.95rem;
  max-width: 540px;
}

/* ================================================================
   Projects Catalog Page (projects.html)
   ================================================================ */
.catalog-main {
  padding-top: calc(var(--nav-h) + 1.75rem);
  padding-bottom: 6rem;
}

.catalog-hero {
  margin-bottom: 3.5rem;
  text-align: center;
}

.catalog-hero-card {
  background: rgba(13,26,24,0.65);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem 2.25rem;
  max-width: 900px;
  margin: 0 auto;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card), 0 0 50px rgba(13,148,136,0.08);
  position: relative;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent-2);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--color-glow);
  transform: translateX(-3px);
}

.catalog-title {
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 0.85rem;
  background: linear-gradient(135deg, var(--color-text) 55%, var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.catalog-desc {
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto;
}

.catalog-filters {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

.catalog-group {
  margin-bottom: 3.5rem;
}

.catalog-group.hidden {
  display: none;
}

.catalog-group-header {
  background: rgba(13,26,24,0.65);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.6rem;
  margin-bottom: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.group-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
}

.group-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.65rem;
  border-radius: 999px;
}

.group-tag-commercial {
  background: rgba(245,158,11,0.15);
  color: #fbbf24;
  border: 1px solid rgba(245,158,11,0.35);
}

.group-tag-personal {
  background: rgba(16,185,129,0.15);
  color: #34d399;
  border: 1px solid rgba(16,185,129,0.35);
}

.group-tag-academic {
  background: rgba(168,85,247,0.15);
  color: #c084fc;
  border: 1px solid rgba(168,85,247,0.35);
}

.group-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.01em;
}

.group-desc {
  font-size: 0.86rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin: 0;
}

/* Card Media & Gallery Strips */
.project-card-media {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  background: #060c0b;
}

.project-card-media .project-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img {
  transform: scale(1.02);
}

.project-img.project-img-portrait {
  object-fit: contain;
  background: radial-gradient(circle at center, rgba(16,185,129,0.08), #060c0b);
  padding: 0.5rem 0;
}

.card-gallery-strip {
  display: flex;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  background: rgba(6,12,11,0.92);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.card-gallery-strip::-webkit-scrollbar { display: none; }

.gallery-thumb-btn {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0;
  width: 46px;
  height: 28px;
  overflow: hidden;
  background: transparent;
  cursor: pointer;
  opacity: 0.65;
  transition: var(--transition);
  flex-shrink: 0;
}

.gallery-thumb-btn:hover,
.gallery-thumb-btn.active {
  opacity: 1;
  border-color: var(--color-accent-2);
  box-shadow: 0 0 8px rgba(45,212,191,0.5);
  transform: scale(1.06);
}

.gallery-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ================================================================
   Projects
   ================================================================ */
#projects { position: relative; }

/* Year group */
.project-year-group { margin-bottom: 3.5rem; }
.project-year-group:last-child { margin-bottom: 0; }

.year-header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem;
}
.year-label {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent-2);
  white-space: nowrap;
}
.year-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--color-border-2), transparent);
}

/* commercial highlight group */
.project-year-group.group-commercial .year-label {
  color: var(--color-warm);
}
.project-year-group.group-commercial .year-line {
  background: linear-gradient(90deg, rgba(245,158,11,0.4), transparent);
}

/* Filter bar */
.filter-bar {
  display: flex; gap: 0.5rem; margin-bottom: 2.5rem; flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.5rem 1.1rem; border-radius: 999px;
  border: 1px solid var(--color-border-2); background: transparent;
  color: var(--color-muted); cursor: pointer; transition: var(--transition);
}
.filter-btn:hover {
  background: rgba(13,148,136,0.12); color: var(--color-text); border-color: var(--color-accent);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #051210; border-color: transparent; font-weight: 700;
  box-shadow: 0 2px 14px rgba(13,148,136,0.4);
}

/* Grid */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 1.25rem;
}

/* Card */
.project-card {
  background: rgba(13,26,24,0.8); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); position: relative;
}
.project-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(13,148,136,0.06), transparent 60%);
  opacity: 0; transition: opacity var(--transition); pointer-events: none;
}
.project-card:hover {
  border-color: var(--color-accent-2); transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}
.project-card:hover::before { opacity: 1; }
.project-card.hidden { display: none; }

/* Commercial card gets amber border */
.project-card.commercial-card {
  border-color: rgba(245,158,11,0.25);
}
.project-card.commercial-card:hover {
  border-color: var(--color-warm);
  box-shadow: 0 0 40px rgba(245,158,11,0.15), var(--shadow-card);
}

/* Sleek Tech Header Banner for projects without custom screenshots */
.project-header-banner {
  width: 100%;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}
.project-header-banner.banner-commercial {
  background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(13,26,24,0.9));
  border-bottom-color: rgba(245,158,11,0.25);
}
.project-header-banner.banner-personal {
  background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(13,26,24,0.9));
  border-bottom-color: rgba(16,185,129,0.25);
}
.project-header-banner.banner-education {
  background: linear-gradient(135deg, rgba(56,189,248,0.12), rgba(13,26,24,0.9));
  border-bottom-color: rgba(56,189,248,0.25);
}
.project-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.project-header-icon {
  font-size: 1.4rem;
}
.project-header-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.banner-commercial .project-header-cat { color: var(--branch-comm); }
.banner-personal .project-header-cat { color: var(--branch-pers); }
.banner-education .project-header-cat { color: var(--branch-edu); }

.project-header-platform {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-muted);
  max-width: 60%;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center;
  background: var(--color-surface-2);
}
.project-img.icon-mode {
  aspect-ratio: 1/1; max-height: 200px; object-fit: contain;
  padding: 1.5rem; background: var(--color-surface-2);
}
/* Commercial placeholder */
.project-img-placeholder {
  width: 100%; aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-surface-2), rgba(245,158,11,0.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--color-warm);
}

.project-body {
  padding: 1.25rem 1.25rem 1.5rem; flex: 1; display: flex; flex-direction: column;
}
.project-meta { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem; flex-wrap: wrap; }

.project-badge {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem; border-radius: 999px;
}
.badge-unity    { background: rgba(45,212,191,0.14); color: var(--color-accent-2); border: 1px solid rgba(45,212,191,0.28); }
.badge-other    { background: rgba(148,163,184,0.12); color: #cbd5e1; border: 1px solid rgba(148,163,184,0.25); }
.badge-android  { background: rgba(74,222,128,0.12); color: #4ade80; border: 1px solid rgba(74,222,128,0.28); }
.badge-play     { background: rgba(251,191,36,0.12); color: #fbbf24; border: 1px solid rgba(251,191,36,0.28); }
.badge-commercial { background: rgba(245,158,11,0.18); color: var(--color-warm); border: 1px solid rgba(245,158,11,0.38); }
.badge-python   { background: rgba(59,130,246,0.14); color: #93c5fd; border: 1px solid rgba(59,130,246,0.28); }
.badge-csharp   { background: rgba(147,91,220,0.14); color: #c084fc; border: 1px solid rgba(147,91,220,0.28); }

.project-year-badge {
  font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600;
  color: var(--color-dimmer); margin-left: auto; letter-spacing: 0.04em;
}

.project-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.45rem; color: var(--color-text); letter-spacing: -0.01em; }
.project-desc  { font-size: 0.855rem; color: var(--color-muted); line-height: 1.6; flex: 1; margin-bottom: 1.25rem; }

.project-links { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: auto; }
.project-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.78rem; font-weight: 600;
  padding: 0.38rem 0.85rem; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-2); color: var(--color-muted);
  transition: var(--transition); background: rgba(13,148,136,0.06);
}
.project-link:hover {
  background: rgba(13,148,136,0.2); border-color: var(--color-accent-2); color: var(--color-text);
}
.project-link svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ================================================================
   Contact
   ================================================================ */
#contact { background: linear-gradient(180deg, transparent, rgba(13,148,136,0.04), transparent); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }

.contact-text p { color: var(--color-muted); line-height: 1.75; margin-bottom: 2rem; }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; }

.contact-card {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  color: var(--color-text);
}
.contact-card:hover {
  border-color: var(--color-accent-2); transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(13,148,136,0.15); color: var(--color-text);
}
.contact-card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(13,148,136,0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; flex-shrink: 0;
}
.contact-card-info h4 { font-size: 0.875rem; font-weight: 700; margin-bottom: 0.15rem; }
.contact-card-info p { font-size: 0.825rem; color: var(--color-accent-2); margin: 0; }

/* ================================================================
   Footer
   ================================================================ */
footer { border-top: 1px solid var(--color-border); padding: 2rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-copy { font-size: 0.825rem; color: var(--color-dimmer); }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { font-size: 0.825rem; color: var(--color-dimmer); transition: color var(--transition); }
.footer-links a:hover { color: var(--color-accent-2); }

/* ================================================================
   Scroll-reveal
   ================================================================ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1), transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--color-border-2), transparent); }

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 900px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .hero-card { max-width: 320px; margin: 0 auto; }
}
@media (max-width: 700px) {
  #nav .nav-links {
    display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    background: rgba(8,15,14,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border); padding: 1rem; gap: 0.25rem;
  }
  #nav .nav-links.open { display: flex; }
  #nav .nav-links a { padding: 0.65rem 1rem; font-size: 0.95rem; }
  #nav-toggle { display: flex; }
  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(4,1fr); }
  .timeline { padding-left: 2rem; }
  .timeline::before { left: 8px; }
  .timeline-dot { left: -2rem; width: 18px; height: 18px; top: 1.25rem; }
  .timeline-dot::after { width: 6px; height: 6px; }
  .timeline-content { padding: 1.15rem 1.25rem; }
}
@media (max-width: 480px) {
  .hero-card { padding: 1.75rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .timeline-top { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
  .git-rail { width: 56px; }
  .git-rail-svg { width: 56px; }
  .git-minor-meta { display: none; }
  .git-node { gap: 0.5rem; }
  .git-node-body { padding: 0.65rem 0.85rem; }
  .git-node-header { gap: 0.35rem; }
  .git-title { font-size: 0.84rem; min-width: 130px; }
  .git-duration { font-size: 0.62rem; }
}

/* ================================================================
   Supporting Contributions Matrix (projects.html)
   ================================================================ */
.supporting-section {
  margin-top: 5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--color-border);
}

.supporting-table-wrapper {
  overflow-x: auto;
  background: rgba(13,26,24,0.65);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.supporting-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.supporting-table th {
  background: rgba(255,255,255,0.03);
  padding: 0.85rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.supporting-table td {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--color-text);
  vertical-align: middle;
}

.supporting-table tbody tr {
  transition: background var(--transition);
}

.supporting-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

.supporting-title-cell strong {
  color: var(--color-text);
  font-weight: 600;
}

.supporting-platform {
  font-size: 0.8rem;
  color: var(--color-muted);
  white-space: nowrap;
}


/* Performance rendering optimization */
.git-row {
  content-visibility: auto;
  contain-intrinsic-size: 0 42px;
}

/* ================================================================
   Privacy Policy Page
   ================================================================ */
.privacy-page {
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 5rem;
}

.privacy-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.privacy-hero {
  margin-bottom: 3rem;
}

.privacy-hero .section-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 0.75rem;
}

.privacy-hero .section-desc {
  max-width: 720px;
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-muted);
}

.privacy-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.privacy-meta-card {
  background: rgba(13, 26, 24, 0.65);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.privacy-meta-card .meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  margin-bottom: 0.25rem;
}

.privacy-meta-card .meta-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

.privacy-meta-card .meta-val a {
  color: var(--color-accent-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-apps-showcase {
  background: rgba(13, 26, 24, 0.7);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}

.privacy-apps-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-glow-2);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.privacy-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.privacy-app-chip {
  background: rgba(8, 15, 14, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: border-color var(--transition), transform var(--transition);
}

.privacy-app-chip:hover {
  border-color: var(--color-accent-2);
  transform: translateY(-2px);
}

.privacy-app-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(13, 148, 136, 0.2);
  border: 1px solid var(--color-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.privacy-app-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.privacy-app-info p {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.privacy-decommissioned-note {
  margin-top: 1.2rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.6;
}

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

.privacy-toc {
  background: rgba(13, 26, 24, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}

.privacy-toc-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-2);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.privacy-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.privacy-toc-link {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  background: rgba(8, 15, 14, 0.6);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  transition: all var(--transition);
}

.privacy-toc-link:hover {
  color: var(--color-glow-2);
  border-color: var(--color-accent-2);
  background: rgba(13, 148, 136, 0.15);
}

.privacy-card {
  background: rgba(13, 26, 24, 0.65);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  transition: border-color var(--transition);
}

.privacy-card:hover {
  border-color: var(--color-border-2);
}

.privacy-card-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.privacy-card-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-2);
  background: rgba(13, 148, 136, 0.18);
  border: 1px solid var(--color-border-2);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.privacy-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.privacy-body {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.privacy-body p {
  margin-bottom: 1rem;
}

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

.privacy-body strong {
  color: var(--color-text);
  font-weight: 600;
}

.privacy-list {
  margin: 1rem 0;
  padding-left: 1.25rem;
}

.privacy-list li {
  position: relative;
  margin-bottom: 0.65rem;
  padding-left: 0.5rem;
}

.privacy-list li::before {
  content: "•";
  color: var(--color-accent-2);
  font-size: 1.1rem;
  position: absolute;
  left: -0.75rem;
  top: -2px;
}

.privacy-callout {
  background: rgba(13, 148, 136, 0.08);
  border-left: 3px solid var(--color-accent-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.privacy-callout strong {
  color: var(--color-glow-2);
}

.privacy-callout code {
  font-family: var(--font-mono);
  color: var(--color-accent-2);
  background: rgba(0,0,0,0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.privacy-sdk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.privacy-sdk-card {
  background: rgba(8, 15, 14, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.privacy-sdk-card h5 {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.privacy-sdk-card p {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.privacy-sdk-card a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--color-accent-2);
}

.privacy-sdk-card a:hover {
  color: var(--color-glow-2);
}