/* ── DESIGN TOKENS ──────────────────────────────────────────────────── */
:root {
  --bg:        #07090d;
  --bg2:       #0c0f16;
  --bg3:       #10141e;
  --border:    #30384a;
  --border2:   #253248;
  --accent:    #a855f7;
  --accent2:   #f97316;
  --accent3:   #4fc3f7;
  --text:      #c5d3e8;
  --text-dim:  #657E9E;
  --text-faint:#848a93;
  --mono:      'Share Tech Mono', monospace;
  --display:   'Unbounded', sans-serif;
  --body:      'DM Sans', sans-serif;
  --r:         5px;
  --r-card:    15px;
}

/* ── RESET ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  background-size: 480px 480px;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--body);
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* ── TEXTURE / GRID OVERLAY ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.022; pointer-events: none; z-index: 9999;
}
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.3; pointer-events: none; z-index: 0;
}

/* ── SCROLLBAR ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

/* ── LAYOUT ─────────────────────────────────────────────────────────── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }
.container-alt {
  background: var(--bg);
  max-width: 1080px;
  margin: 0 auto;
  padding: 6rem 6rem;
  position: relative;
  z-index: 1;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
}
#projects div.container-alt { padding: 3rem 3rem; }

/* ── NAV ────────────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.1rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7,9,13,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.nav-logo em {
  color: var(--text-dim);
  font-style: normal;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.22s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ── HERO ───────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 8rem 2rem 4rem;
  position: relative; z-index: 1;
}
.hero-inner { max-width: 1080px; margin: 0 auto; width: 100%; }
.hero-tag {
  font-family: var(--mono); font-size: 0.85rem;
  color: var(--accent); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 1.4rem; opacity: 0; animation: fadeUp 0.55s 0.15s forwards;
}
.hero-tag::before { content: '> '; color: var(--text-faint); }
h1 {
  font-family: var(--display);
  font-size: clamp(3.2rem, 8vw, 7.2rem);
  font-weight: 700; line-height: 0.93; letter-spacing: -0.035em; color: #fff;
  opacity: 0; animation: fadeUp 0.55s 0.3s forwards;
}
h1 .name-first { display: block; }
h1 .name-last  { display: block; color: var(--accent); }
h1 .name-role  {
  display: block; color: var(--text-dim); font-family: 'Syne';
  font-weight: 400; font-size: 0.5em; letter-spacing: -0.01em; margin-top: 0.18em;
}
.hero-bio {
  max-width: 540px; margin-top: 2.5rem;
  font-size: 1rem; color: var(--text-dim); line-height: 1.75;
  opacity: 0; animation: fadeUp 0.55s 0.45s forwards;
}
.hero-chips {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem;
  opacity: 0; animation: fadeUp 0.55s 0.6s forwards;
}
.chip {
  font-family: var(--mono); font-size: 1rem; color: var(--text-dim);
  border: 1px solid var(--border2); padding: 0.28rem 0.75rem; border-radius: 2px;
  background: var(--bg2); letter-spacing: 0.04em; transition: border-color 0.2s, color 0.2s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.8rem;
  opacity: 0; animation: fadeUp 0.55s 0.75s forwards;
}

/* ── BUTTONS ────────────────────────────────────────────────────────── */
.btn {
  font-family: var(--mono); font-size: 0.8rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.7rem 1.2rem; border-radius: var(--r); cursor: pointer;
  transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary { background: var(--accent); color: var(--bg); border: 1px solid var(--accent); font-weight: 700; }
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-primary svg { fill: var(--bg); transition: fill 0.2s; }
.btn-primary:hover svg { fill: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border2); }
.btn-ghost:hover { border-color: var(--text-dim); color: var(--text); }
.btn-ghost svg { fill: var(--text-dim); transition: fill 0.2s; }
.btn-ghost:hover svg { fill: var(--text); }

/* ── SCROLL HINT ────────────────────────────────────────────────────── */
.scroll-hint {
  padding: 1rem 0 0 0;
  position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.6rem; color: var(--text-faint);
  letter-spacing: 0.14em; display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  opacity: 0; animation: fadeIn 1s 1.3s forwards;
}
.scroll-hint::after {
  content: ''; width: 1px; height: 46px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine { 0%,100%{opacity:0.6} 70%{opacity:1} }

/* ── SECTIONS ───────────────────────────────────────────────────────── */
section { padding: 6rem 0; position: relative; z-index: 1; }
.section-label {
  font-family: var(--mono); font-size: 1rem; color: var(--accent);
  letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 0.6rem;
}
.section-label::before { content: '// '; color: var(--text-faint); }
h2 {
  font-family: var(--display); font-size: clamp(2rem, 3.8vw, 2.9rem);
  font-weight: 800; color: #fff; letter-spacing: -0.025em; margin-bottom: 0.85rem;
}
.section-sub { color: var(--text-dim); max-width: 520px; margin-bottom: 3.5rem; }

/* ── ABOUT ──────────────────────────────────────────────────────────── */
#about { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 4.5rem; align-items: start; }
.about-text p { color: var(--text-dim); margin-bottom: 1.2rem; font-size: 0.975rem; }
.about-text p strong { color: var(--text); font-weight: 400; }
.exp-entry { margin-top: 2.5rem; border-left: 2px solid var(--border2); padding-left: 1.5rem; }
.exp-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.exp-header-icon-group {
  display: inline-flex;
  align-items: flex-end;
  gap: 0.75rem;
}
.exp-title { font-family: var(--display); font-size: 1rem; font-weight: 700; color: #fff; }
.exp-date { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.06em; }
.exp-company { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 0.85rem; }
.exp-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.exp-list li { font-size: 0.88rem; color: var(--text-dim); padding-left: 1.1rem; position: relative; }
.exp-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent3); font-size: 0.68rem; top: 0.22em; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.stat-cell { background: var(--bg3); padding: 1.75rem; transition: background 0.2s; }
.stat-cell:hover { background: #131a28; }
.stat-num { font-family: var(--display); font-size: 2.3rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-family: var(--mono); font-size: 0.75rem; color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.4rem; }

/* ── FILTER BAR ─────────────────────────────────────────────────────── */
.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn {
  font-family: var(--mono); font-size: 0.9rem; color: var(--text-dim);
  background: var(--bg2); border: 1px solid var(--border);
  padding: 0.38rem 1rem; border-radius: 2px; cursor: pointer;
  letter-spacing: 0.07em; text-transform: uppercase; transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(168,85,247,0.06); }

/* ── PROJECT GRID ───────────────────────────────────────────────────── */
.project-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(310px,1fr));
  gap: 1px; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden;
}
.project-card {
  background: var(--bg2); padding: 2rem; position: relative; overflow: hidden;
  transition: background 0.22s; display: flex; flex-direction: column;
}
.project-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.project-card[data-cat="android"]::before  { background: linear-gradient(135deg,rgba(79,195,247,0.05) 0%,transparent 60%); }
.project-card[data-cat="security"]::before { background: linear-gradient(135deg,rgba(249,115,22,0.05) 0%,transparent 60%); }
.project-card[data-cat="hardware"]::before { background: linear-gradient(135deg,rgba(168,85,247,0.05) 0%,transparent 60%); }
.project-card:hover { background: var(--bg3); }
.project-card:hover::before { opacity: 1; }
.project-card::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 0; transition: height 0.32s ease; pointer-events: none;
}
.project-card[data-cat="android"]::after  { background: var(--accent3); }
.project-card[data-cat="security"]::after { background: var(--accent2); }
.project-card[data-cat="hardware"]::after { background: var(--accent); }
.project-card:hover::after { height: 100%; }

.project-cat {
  font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 0.85rem; display: inline-flex; align-items: center; gap: 0.4rem;
}
.project-cat::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; }
.project-card[data-cat="android"]  .project-cat { color: var(--accent3); }
.project-card[data-cat="android"]  .project-cat::before { background: var(--accent3); }
.project-card[data-cat="security"] .project-cat { color: var(--accent2); }
.project-card[data-cat="security"] .project-cat::before { background: var(--accent2); }
.project-card[data-cat="hardware"] .project-cat { color: var(--accent); }
.project-card[data-cat="hardware"] .project-cat::before { background: var(--accent); }

.project-title { font-family: var(--display); font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 0.55rem; }
.project-title-link { color: inherit; transition: color 0.2s; }
.project-card[data-cat="android"]  .project-title-link:hover { color: var(--accent3); }
.project-card[data-cat="security"] .project-title-link:hover { color: var(--accent2); }
.project-card[data-cat="hardware"] .project-title-link:hover { color: var(--accent); }
.wip-badge {
  display: inline-block; font-family: var(--mono); font-size: 0.58rem;
  color: var(--accent2); border: 1px solid rgba(249,115,22,0.4);
  padding: 0.1rem 0.45rem; border-radius: 2px; letter-spacing: 0.1em;
  text-transform: uppercase; margin-left: 0.5rem; vertical-align: middle;
}
.project-desc { font-size: 0.875rem; color: var(--text-dim); line-height: 1.65; margin-bottom: 1.4rem; }
.project-footer { margin-top: auto; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.4rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 0.18rem 0.55rem;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.project-card:hover .tag { border-color: var(--border2); color: var(--text-dim); }
.project-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.project-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}
.project-link svg {
  vertical-align: middle; 
}
.project-card[data-cat="android"]  .project-link:hover { color: var(--accent3); }
.project-card[data-cat="security"] .project-link:hover { color: var(--accent2); }
.project-card[data-cat="hardware"] .project-link:hover { color: var(--accent); }
.project-card.hidden { display: none; }

/* ── SKILLS ─────────────────────────────────────────────────────────── */
#skills { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.skills-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.skill-group { background: var(--bg3); padding: 2rem; }
.skill-group-title {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 1.5rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--border);
}
.skill-group[data-g="android"]  .skill-group-title { color: var(--accent3); border-color: rgba(79,195,247,0.25); }
.skill-group[data-g="security"] .skill-group-title { color: var(--accent2); border-color: rgba(249,115,22,0.25); }
.skill-group[data-g="hardware"] .skill-group-title { color: var(--accent);  border-color: rgba(168,85,247,0.25); }
.skill-list { display: flex; flex-direction: column; gap: 0.65rem; }
.skill-item { display: flex; align-items: center; justify-content: space-between; font-size: 0.84rem; }
.skill-name { color: var(--text); }
.skill-bar-wrap { width: 72px; height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
.skill-bar {
  height: 100%; border-radius: 2px;
  width: var(--w, 80%);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.skill-group[data-g="android"]  .skill-bar { background: var(--accent3); }
.skill-group[data-g="security"] .skill-bar { background: var(--accent2); }
.skill-group[data-g="hardware"] .skill-bar { background: var(--accent); }
.skill-bar.animated { transform: scaleX(1); }

/* ── CONTACT ────────────────────────────────────────────────────────── */
#contact { text-align: center; }
.contact-link {
  font-family: var(--display); font-size: clamp(1.4rem, 3.5vw, 2.8rem);
  font-weight: 800; color: #fff; letter-spacing: -0.02em;
  display: inline-flex; align-items: center; gap: 0.5rem;
  position: relative; transition: color 0.25s;
}
.contact-link::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.contact-link svg { fill: #fff; transition: fill 0.25s; }
.contact-link:hover svg { fill: var(--accent); }
.contact-link:hover { color: var(--accent); }
.contact-link:hover::after { transform: scaleX(1); }
.social-links { display: flex; justify-content: center; gap: 1rem; margin-top: 2.5rem; flex-wrap: wrap; }
.social-link {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 0.55rem 1.2rem;
  border-radius: 2px;
  transition: all 0.2s;
}
.social-link:hover { color: var(--accent); border-color: var(--accent); background: rgba(168,85,247,0.07); }
.social-link svg {
  vertical-align: middle;
}

/* ── FOOTER ─────────────────────────────────────────────────────────── */
footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 1.8rem 2rem; display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 0.9rem; color: var(--text-faint);
  position: relative; z-index: 1;
}
footer span { color: var(--text-dim); }

/* ── PROJECT PAGE ───────────────────────────────────────────────────── */
.project-page {
  padding-top: 4rem;
}

.project-hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  position: relative; z-index: 1;
}
.project-hero[data-cat="android"] {
  background: linear-gradient(180deg, rgba(79,195,247,0.1) 0%, var(--bg2));
}
.project-hero[data-cat="security"] {
  background: linear-gradient(180deg, rgba(249,115,22,0.1) 0%, var(--bg2));
}
.project-hero[data-cat="hardware"] {
  background: linear-gradient(180deg, rgba(168,85,247,0.1) 0%, var(--bg2));
}

.back-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.72rem; color: var(--text-dim);
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.2s; margin-bottom: 2rem;
}
.back-link:hover { color: var(--accent); }

.project-page-cat {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-hero[data-cat="android"] .container .project-page-cat {
  color: var(--accent3);
}
.project-hero[data-cat="security"] .container .project-page-cat {
  color: var(--accent2);
}
.project-hero[data-cat="hardware"] .container .project-page-cat {
  color: var(--accent);
}

.project-page-title {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; color: #fff;
  margin-bottom: 1.2rem; animation: none; opacity: 1;
}

.project-page-desc {
  font-size: 1.05rem; color: var(--text-dim); max-width: 660px; line-height: 1.75; margin-bottom: 2rem;
}

.project-page-meta {
  display: flex; flex-wrap: wrap; gap: 2rem; margin-bottom: 1.8rem;
}
.meta-item { display: flex; flex-direction: column; gap: 0.2rem; }
.meta-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.meta-value { font-family: var(--mono); font-size: 0.84rem; color: var(--text); }

.project-page-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.8rem; }

.project-page-links { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── PROJECT BODY ───────────────────────────────────────────────────── */
.project-body { padding: 4rem 0; }

.project-content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
}

/* ── PROSE ──────────────────────────────────────────────────────────── */
.prose { color: var(--text-dim); font-size: 0.975rem; line-height: 1.8; }
.prose h2 {
  font-family: var(--display); font-size: 1.5rem; font-weight: 700; color: #fff;
  letter-spacing: -0.02em; margin: 2.5rem 0 0.9rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 { font-family: var(--display); font-size: 1.1rem; font-weight: 700; color: var(--text); margin: 1.8rem 0 0.6rem; }
.prose p { margin-bottom: 1.2rem; }
.prose strong { color: var(--text); font-weight: 400; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(168,85,247,0.3); transition: border-color 0.2s; }
.prose a:hover { border-color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.4rem; margin-bottom: 1.2rem; display: flex; flex-direction: column; gap: 0.5rem; }
.prose li::marker { color: var(--accent3); }
.prose code {
  font-family: var(--mono); font-size: 0.82em;
  background: var(--bg3); border: 1px solid var(--border);
  padding: 0.15em 0.45em; border-radius: 3px; color: var(--accent3);
}
.prose pre {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.5rem; margin-bottom: 1.5rem;
  overflow-x: auto;
}
.prose pre code {
  background: none; border: none; padding: 0; color: var(--text); font-size: 0.85rem;
}
.prose blockquote {
  border-left: 3px solid var(--accent); padding-left: 1.2rem; margin: 1.5rem 0;
  color: var(--text-dim); font-style: italic;
}

/* ── SIDEBAR ────────────────────────────────────────────────────────── */
.project-sidebar { position: sticky; top: 6rem; display: flex; flex-direction: column; gap: 1px; }

.sidebar-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--r);
  padding: 1.5rem; margin-bottom: 1rem;
}
.sidebar-card-title {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.sidebar-list li {
  font-size: 0.84rem; color: var(--text-dim); padding-left: 1rem; position: relative;
}
.sidebar-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent3); font-size: 0.65rem; top: 0.25em; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sidebar-links { display: flex; flex-direction: column; gap: 0.5rem; }
.sidebar-links .project-link { color: var(--text-dim); }
.sidebar-links .project-link:hover { color: var(--accent); }

/* ── PROJECT NAV ────────────────────────────────────────────────────── */
.project-nav {
  border-top: 1px solid var(--border); padding: 2.5rem 0; position: relative; z-index: 1;
}
.project-nav-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.project-nav-btn {
  display: flex; flex-direction: column; gap: 0.3rem;
  padding: 1rem 1.5rem; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--bg2); transition: all 0.2s; max-width: 340px;
}
.project-nav-btn--right {
  text-align: right;
}
.project-nav-btn--right .nav-dir {
  justify-content: flex-end;
}
.project-nav-btn:hover { border-color: var(--accent); background: var(--bg3); }
.nav-dir {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}
.nav-dir svg {
  vertical-align: middle;
}
.nav-title { font-family: var(--display); font-size: 0.95rem; font-weight: 700; color: var(--text); transition: color 0.2s; }
.project-nav-btn:hover .nav-title { color: var(--accent); }

/* ── ANIMATIONS ─────────────────────────────────────────────────────── */
@keyframes fadeUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.fade-in-up { opacity:0; transform:translateY(22px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-in-up.visible { opacity:1; transform:translateY(0); }
.cursor {
  display:inline-block; width:9px; height:1em; background:var(--accent);
  margin-left:3px; vertical-align:text-bottom; animation:blink 1.1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── RESPONSIVE ─────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .project-content-grid { grid-template-columns: 1fr; }
  .project-sidebar { position: static; }
}
@media (max-width: 600px) {
  .container-alt { padding: 3rem 1.5rem; }
  .nav-links { gap: 1.2rem; }
  h1 { font-size: 3rem; }
  .project-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  footer { flex-direction: column; gap: 0.4rem; text-align: center; }
  .project-nav-inner { flex-direction: column; }
  .project-nav-btn { max-width: 100%; width: 100%; }
}