/* ===== VARIABLES ===== */
:root {
  --bg: #f8f6f1;
  --bg-warm: #f2ede4;
  --bg-dark: #1a1714;
  --bg-dark2: #221f1b;
  --text: #1a1714;
  --text-mid: #47433e;
  --text-muted: #8a8278;
  --text-inv: #f0ede6;
  --text-inv-muted: rgba(240, 237, 230, 0.55);
  --accent: #7a5c1e;
  --accent-light: #b8893a;
  --accent-pale: rgba(122, 92, 30, 0.1);
  --accent-border: rgba(122, 92, 30, 0.25);
  --green: #2a5c3f;
  --green-bg: rgba(42, 92, 63, 0.08);
  --red: #8b2020;
  --border: rgba(26, 23, 20, 0.1);
  --border-mid: rgba(26, 23, 20, 0.16);
  --serif: 'Noto Serif SC', serif;
  --sans: 'Noto Sans SC', sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --nav-h: 60px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

.mono { font-family: var(--mono); }

/* ===== NAV ===== */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(248, 246, 241, 0.93);
  backdrop-filter: blur(14px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-id {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-inv);
  letter-spacing: 2px;
  transition: color 0.35s;
}
#nav.scrolled .nav-name { color: var(--text); }
.nav-slash {
  color: rgba(255,255,255,0.2);
  transition: color 0.35s;
}
#nav.scrolled .nav-slash { color: var(--border-mid); }
.nav-role {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
  transition: color 0.35s;
}
#nav.scrolled .nav-role { color: var(--text-muted); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 13px;
  color: rgba(240, 237, 230, 0.55);
  letter-spacing: 0.3px;
  transition: color 0.2s;
}
#nav.scrolled .nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--accent-light) !important; }
.nav-gh {
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
  font-size: 12px !important;
  letter-spacing: 0.5px !important;
  transition: border-color 0.2s, color 0.2s !important;
}
#nav.scrolled .nav-gh {
  border-color: var(--border-mid);
}
.nav-gh:hover {
  border-color: var(--accent-light) !important;
  color: var(--accent) !important;
}

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  background: var(--bg-dark);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 32px 80px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: center;
}
.hero-stamp-block {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  animation: fadeUp 0.7s ease both;
}
.stamp-line {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent-light);
  text-transform: uppercase;
}
.stamp-date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-inv-muted);
  letter-spacing: 2px;
}
.hero-name {
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 104px);
  font-weight: 900;
  color: var(--text-inv);
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 16px;
  animation: fadeUp 0.7s ease 0.1s both;
}
.hero-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--text-inv-muted);
  letter-spacing: 1px;
  animation: fadeUp 0.7s ease 0.2s both;
}
.hero-tags span:not(:nth-child(even)) { color: var(--accent-light); opacity: 0.8; }
.hero-tags span:nth-child(even) { opacity: 0.3; }
.hero-pitch {
  font-size: 16px;
  color: rgba(240,237,230,0.65);
  line-height: 1.9;
  max-width: 520px;
  margin-bottom: 40px;
  animation: fadeUp 0.7s ease 0.3s both;
}
.hero-pitch strong { color: var(--text-inv); font-weight: 600; }
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  animation: fadeUp 0.7s ease 0.4s both;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--accent);
  color: var(--text-inv);
  font-size: 14px;
  font-weight: 500;
  border-radius: 2px;
  letter-spacing: 0.5px;
  transition: background 0.2s, transform 0.2s;
}
.btn-hero-primary:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-hero-ghost {
  font-size: 13px;
  color: var(--text-inv-muted);
  padding: 13px 0;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.btn-hero-ghost:hover { color: var(--text-inv); }

/* Hero metrics */
.hero-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  animation: fadeUp 0.7s ease 0.35s both;
}
.hm-item {
  background: var(--bg-dark2);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hm-num {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--text-inv);
  line-height: 1;
}
.hm-label {
  font-size: 13px;
  color: var(--text-inv-muted);
  font-weight: 400;
}
.hm-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeUp 1s ease 0.8s both;
}
.hero-scroll-hint span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-inv-muted);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-light), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ===== SECTIONS COMMON ===== */
.section-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 100px 32px;
}
.section-label {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 64px;
}
.sl-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent-light);
  margin-top: 6px;
  flex-shrink: 0;
}
.section-label h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 6px;
}
.section-label p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== TIMELINE ===== */
#timeline {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.sprint-callout {
  background: var(--accent-pale);
  border: 1px solid var(--accent-border);
  border-radius: 4px;
  padding: 24px 32px;
  margin-bottom: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.sc-mark {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  letter-spacing: 2px;
}
.sc-text {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.75;
}

/* Build timeline */
.build-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.bt-group {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.bt-group:last-child { border-bottom: none; margin-bottom: 0; }
.bt-period {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding-top: 4px;
  position: relative;
}
.bt-period::before {
  content: '';
  position: absolute;
  top: 10px; right: -17px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-light);
  opacity: 0.4;
}
.bt-events {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.bt-event {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding-bottom: 32px;
  border-bottom: 1px dashed var(--border);
}
.bt-event:last-child { border-bottom: none; padding-bottom: 0; }
.bt-event-major {
  background: var(--bg-warm);
  border: 1px solid var(--border-mid);
  border-radius: 4px;
  padding: 20px 20px 20px 20px;
  grid-template-columns: 100px 1fr;
  border-bottom: 1px solid var(--border-mid);
}
.bt-event-major:last-child { border-bottom: 1px solid var(--border-mid); }
.bt-event-now {
  background: var(--accent-pale);
  border: 1px solid var(--accent-border);
  border-radius: 4px;
  padding: 20px;
  grid-template-columns: 100px 1fr;
}
.bt-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 2px;
}
.bt-date {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-muted);
}
.bt-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
  width: fit-content;
}
.bt-tag.research { background: rgba(42,92,63,0.1); color: var(--green); }
.bt-tag.dev { background: rgba(26,23,20,0.07); color: var(--text-mid); }
.bt-tag.award { background: rgba(122,92,30,0.12); color: var(--accent); }
.bt-tag.brand { background: rgba(139,32,32,0.08); color: var(--red); }
.bt-tag-live {
  font-size: 10px;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.5px;
}
.bt-body h4 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}
.bt-body p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
}
.bt-links {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
.bt-links a {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.3px;
  transition: opacity 0.2s;
}
.bt-links a:hover { opacity: 0.7; }
.bt-event-now .bt-body h4 { color: var(--accent); }

/* ===== WORKFLOW ===== */
#workflow {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}
.wf-layout { display: flex; flex-direction: column; gap: 40px; }
.wf-highlight {
  background: var(--bg-dark);
  border-radius: 6px;
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.wfh-before, .wfh-after {
  text-align: center;
  flex: 1;
  min-width: 160px;
}
.wfh-label {
  font-size: 9px;
  letter-spacing: 4px;
  color: var(--text-inv-muted);
  margin-bottom: 8px;
}
.wfh-val {
  font-size: 14px;
  color: var(--text-inv-muted);
  line-height: 1.5;
  margin-bottom: 8px;
}
.wfh-time {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-inv);
}
.wfh-after .wfh-time { color: var(--accent-light); }
.wfh-arrow {
  font-family: var(--mono);
  font-size: 32px;
  color: rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.wfh-note {
  flex-basis: 100%;
  font-size: 13px;
  color: var(--text-inv-muted);
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  line-height: 1.8;
}

.wf-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.wfc {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s;
}
.wfc:hover { border-color: var(--accent-border); }
.wfc.wfc-emphasis {
  border-color: var(--accent-border);
  background: var(--accent-pale);
}
.wfc-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.wfc-icon { font-size: 22px; }
.wfc h3 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.wfc p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.85;
  flex: 1;
}
.wfc-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.wfc-stack span {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ===== RESEARCH ===== */
#research {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.research-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.research-bio {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px;
}
.rb-school {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.rb-major {
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 4px;
}
.rb-period {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.rb-lab {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding-top: 20px;
  border-top: 1px solid var(--border);
  margin-bottom: 4px;
}
.rb-period-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.rb-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.85;
}

.research-achievements {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ra-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.ra-item.ra-highlight {
  border-color: var(--accent-border);
  background: var(--accent-pale);
}
.ra-icon { font-size: 18px; flex-shrink: 0; }
.ra-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.ra-item span {
  font-size: 12px;
  color: var(--text-muted);
}

.tech-stack {
  grid-column: 1 / -1;
  padding: 32px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.ts-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent-light);
  margin-bottom: 24px;
}
.ts-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ts-cat {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.ts-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ts-tags span {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-mid);
}

/* ===== ABOUT ===== */
#about {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  margin-bottom: 80px;
}
.as-item {
  display: flex;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.as-item:first-child { padding-top: 0; }
.as-marker {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}
.as-main {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.as-sub {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.9;
  max-width: 520px;
}

.abs-block {
  margin-bottom: 32px;
}
.abs-label {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--accent-light);
  margin-bottom: 16px;
}
.abs-items {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.abs-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.abs-row:last-child { border-bottom: none; }
.abs-row span { color: var(--text-muted); }
.abs-row strong { color: var(--text); font-weight: 500; }

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.ci-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background 0.2s;
}
.ci-link:last-child { border-bottom: none; }
a.ci-link:hover { background: var(--accent-pale); }
.ci-link-plain { cursor: default; }
.ci-platform { color: var(--text-muted); }
.ci-handle { color: var(--accent); font-weight: 500; }
.ci-link-plain .ci-handle { color: var(--text-mid); font-weight: 400; }

.final-cta {
  text-align: center;
  padding: 60px 0 0;
}
.final-cta p {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: -0.5px;
}

/* ===== FOOTER ===== */
#footer {
  background: var(--bg-dark);
  padding: 48px 32px;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  text-align: center;
}
.footer-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-inv);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.footer-meta {
  font-size: 11px;
  color: var(--text-inv-muted);
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.footer-links a {
  font-size: 12px;
  color: rgba(240,237,230,0.4);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-light); }
.footer-links span { font-size: 12px; color: rgba(240,237,230,0.2); }
.footer-built {
  font-size: 10px;
  color: rgba(240,237,230,0.2);
  letter-spacing: 1px;
}

/* ===== PROJECT CARDS ===== */
#projects {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 32px;
}
.proj-card {
  background: var(--bg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}
.proj-card:hover { background: var(--accent-pale); }
.pc-top { flex: 1; }
.pc-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.pc-cat {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: var(--mono);
}
.pc-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.pc-status.live   { color: var(--green); background: var(--green-bg); }
.pc-status.incubator { color: var(--accent); background: var(--accent-pale); }
.pc-status.open   { color: #1d3557; background: rgba(29,53,87,0.08); }
.pc-status.building { color: var(--text-muted); background: rgba(0,0,0,0.05); }
.proj-card h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.proj-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.8;
}
.pc-impact {
  border-left: 2px solid var(--accent-light);
  padding: 8px 12px;
  background: var(--bg-warm);
}
.pi-label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.pi-text {
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.6;
}
.pc-links { display: flex; gap: 10px; }
.pcl-live, .pcl-github {
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 2px;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.pcl-live { background: var(--text); color: var(--bg); }
.pcl-live:hover { background: var(--accent); }
.pcl-github { border: 1px solid var(--border-mid); color: var(--text-mid); }
.pcl-github:hover { border-color: var(--accent); color: var(--accent); }
.pcl-pending { font-size: 12px; color: var(--text-muted); font-style: italic; }
.github-bar {
  text-align: center;
  padding: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.github-bar a { color: var(--accent); font-weight: 500; }
.github-bar a:hover { opacity: 0.7; }

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--delay, 0ms);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-metrics { max-width: 400px; }
  .wf-cards { grid-template-columns: 1fr; }
  .research-layout { grid-template-columns: 1fr; }
  .ts-items { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .proj-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-gh) { display: none; }

  .nav-inner { padding: 0 20px; }
  #hero { padding: calc(var(--nav-h) + 40px) 20px 60px; }
  .section-inner { padding: 64px 20px; }
  .bt-group { grid-template-columns: 1fr; gap: 12px; }
  .bt-period::before { display: none; }
  .bt-event { grid-template-columns: 1fr; gap: 8px; }
  .bt-event-major, .bt-event-now { grid-template-columns: 1fr; }
  .sprint-callout { flex-direction: column; gap: 16px; }
  .wf-highlight { flex-direction: column; }
  .wfh-arrow { transform: rotate(90deg); }
  .ts-items { grid-template-columns: 1fr 1fr; }
  .hero-metrics { grid-template-columns: 1fr 1fr; }
}