@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-raised: #121212;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --text: #f2f2f0;
  --text-dim: #8a8a86;
  --text-faint: #55554f;
  --red: #e8392f;
  --red-dim: #8a221c;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--red); color: #fff; }
img { display: block; max-width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 1px solid var(--red);
  outline-offset: 3px;
}

/* ---------- GRID BACKDROP ---------- */
.grid-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 75%);
  pointer-events: none;
}

/* ---------- NAV ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.nav-logo img { height: 20px; width: auto; }
.nav-logo span { color: var(--red); }

.nav-links {
  display: flex;
  gap: 36px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--red);
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

.nav-home {
  color: var(--red) !important;
  font-weight: 600;
}
.nav-home::after { background: var(--red); }

/* ---------- BACKGROUND EMBLEM ---------- */
.bg-emblem {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('assets/moc-emblem.png');
  background-repeat: no-repeat;
  background-position: center 30%;
  background-size: min(60vw, 700px) auto;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

/* ---------- BUTTONS ---------- */
.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  border: 1px solid var(--line-strong);
  transition: all 0.2s ease;
  display: inline-block;
}
.btn:hover { border-color: var(--red); color: var(--red); }
.btn-primary {
  background: var(--red);
  border-color: var(--red);
  color: #0a0a0a;
  font-weight: 600;
}
.btn-primary:hover { background: transparent; color: var(--red); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- PUBLICATION TAB (top-right, expands on hover) ---------- */
.paper-tab {
  position: fixed;
  top: 110px;
  right: 0;
  z-index: 95;
  display: flex;
  align-items: center;
  transform: translateX(calc(100% - 40px));
  background: var(--red);
  border: 1px solid var(--red-dim);
  border-right: none;
  border-radius: 8px 0 0 8px;
  box-shadow: -4px 0 24px rgba(0,0,0,0.35);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  cursor: pointer;
  max-width: min(360px, calc(100vw - 24px));
}
.paper-tab:hover,
.paper-tab:focus-visible {
  transform: translateX(0);
}

.paper-tab-icon {
  flex-shrink: 0;
  width: 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #0a0a0a;
}

.paper-tab-collapsed {
  position: absolute;
  left: 40px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0a0a0a;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.paper-tab:hover .paper-tab-collapsed,
.paper-tab:focus-visible .paper-tab-collapsed {
  opacity: 0;
}

.paper-tab-expanded {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 20px 14px 4px;
  white-space: normal;
}
.paper-tab-label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(10,10,10,0.65);
}
.paper-tab-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  color: #0a0a0a;
  letter-spacing: -0.01em;
}
.paper-tab-cta {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  color: #0a0a0a;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: 2px;
}

@media (max-width: 720px) {
  .paper-tab {
    top: 96px;
  }
  .paper-tab-expanded { padding: 12px 16px 12px 4px; }
  .paper-tab-title { font-size: 13px; }
}

/* ---------- PAGE HEADER (for non-hub pages) ---------- */
.page-header {
  padding: 180px 48px 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.page-title {
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.08s forwards;
}
.page-sub {
  margin-top: 24px;
  font-size: 17px;
  color: var(--text-dim);
  max-width: 540px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.16s forwards;
}

/* ---------- SECTION SHARED ---------- */
section { padding: 100px 48px; border-top: 1px solid var(--line); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  flex-wrap: wrap;
  gap: 24px;
}
.section-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 600px;
}
.section-desc { color: var(--text-dim); max-width: 380px; font-size: 15px; line-height: 1.7; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- PROJECT GRID / CASE STUDY PREVIEW CARDS ---------- */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}
.project-card {
  background: var(--bg);
  padding: 40px;
  transition: background 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.project-card:hover { background: var(--bg-raised); }
.project-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.project-card h3 { font-size: 26px; font-weight: 700; margin-bottom: 14px; letter-spacing: -0.01em; }
.project-card p { color: var(--text-dim); font-size: 14.5px; line-height: 1.7; margin-bottom: 24px; flex-grow: 1; }
.project-meta {
  display: flex;
  gap: 20px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.project-link {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s ease, color 0.2s ease;
}
.project-card:hover .project-link { gap: 12px; color: var(--red); }

.project-visual {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 110px;
  height: 110px;
  opacity: 0.55;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.project-card:hover .project-visual {
  opacity: 0.85;
  transform: scale(1.04);
}

/* ---------- HUB (HOMEPAGE) ---------- */
.hub {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 48px 64px;
  position: relative;
  overflow: hidden;
}

.hub-lockup {
  display: flex;
  align-items: center;
  gap: 28px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.05s forwards;
}
.hub-mark { height: clamp(64px, 9vw, 108px); width: auto; flex-shrink: 0; }
.hub-name {
  font-size: clamp(40px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.96;
}
.hub-name .last { display: block; color: var(--text-faint); }

.hub-eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.hub-sub {
  margin-top: 26px;
  font-size: 17px;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.12s forwards;
}

.hub-tiles {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hub-tile {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.25s ease;
  position: relative;
}
.hub-tile:hover { background: var(--bg-raised); }

.hub-tile-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.hub-tile-index {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}
.hub-tile-arrow {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text-faint);
  transition: transform 0.25s ease, color 0.25s ease;
}
.hub-tile:hover .hub-tile-arrow { transform: translate(4px, -4px); color: var(--red); }

.hub-tile h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hub-tile p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

.hub-footer {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}
.hub-statgrid {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hub-stat-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.hub-stat-value {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 500;
  white-space: nowrap;
}
.hub-quicklinks {
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 12px;
}
.hub-quicklinks a {
  color: var(--text-faint);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.hub-quicklinks a:hover { color: var(--red); border-color: var(--red); }

/* ---------- ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; }
.about-text p { font-size: 17px; line-height: 1.8; color: var(--text-dim); margin-bottom: 20px; }
.about-text strong { color: var(--text); font-weight: 600; }
.about-quote {
  margin: 36px 0 8px;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--red);
}
.about-quote p {
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
  margin-bottom: 10px;
}
.about-quote cite {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
}
.org-list { border-top: 1px solid var(--line); }
.org-item { padding: 20px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.org-name { font-weight: 600; font-size: 15px; }
.org-role { font-family: var(--mono); font-size: 12px; color: var(--text-faint); text-align: right; }

/* ---------- CASE STUDY ---------- */
.case-header {
  padding: 180px 48px 64px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.back-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  transition: gap 0.2s ease, color 0.2s ease;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.back-link:hover { gap: 12px; color: var(--red); }

.case-tag {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.06s forwards;
}
.case-title {
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.12s forwards;
}
.case-dek {
  margin-top: 22px;
  font-size: 17px;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.18s forwards;
}

.case-specs {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  max-width: 820px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.24s forwards;
}
.spec { padding: 20px 24px 0 0; border-right: 1px solid var(--line); }
.spec:last-child { border-right: none; }
.spec-label { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.spec-value { font-family: var(--mono); font-size: 17px; font-weight: 500; line-height: 1.3; }

.case-body {
  padding: 100px 48px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 64px;
  max-width: 1240px;
  margin: 0 auto;
}
.case-toc { position: sticky; top: 100px; align-self: start; }
.case-toc-label { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.case-toc a {
  display: block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 9px 0;
  border-left: 1px solid var(--line);
  padding-left: 16px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.case-toc a:hover { color: var(--text); border-color: var(--line-strong); }

.case-content { max-width: 700px; }
.case-section { margin-bottom: 72px; }
.case-section:last-child { margin-bottom: 0; }
.case-section-num { font-family: var(--mono); font-size: 12px; color: var(--red); letter-spacing: 0.08em; margin-bottom: 14px; }
.case-section h2 { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 20px; }
.case-section p { font-size: 16px; line-height: 1.8; color: var(--text-dim); margin-bottom: 18px; }
.case-section p:last-child { margin-bottom: 0; }
.case-section strong { color: var(--text); font-weight: 600; }
.case-section ul { margin: 18px 0; padding-left: 0; list-style: none; }
.case-section li {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-dim);
  padding-left: 24px;
  position: relative;
  margin-bottom: 12px;
}
.case-section li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
}
.callout {
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--red);
  padding: 20px 24px;
  margin: 24px 0;
  background: var(--bg-raised);
}
.callout-label { font-family: var(--mono); font-size: 11px; color: var(--red); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; }
.callout p { color: var(--text-dim); font-size: 14.5px; margin-bottom: 0; }

.case-nav {
  border-top: 1px solid var(--line);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.case-nav-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s ease, gap 0.2s ease;
}
.case-nav-link:hover { color: var(--red); }
.case-nav-link.next { flex-direction: row-reverse; }
.case-nav-link.next:hover { gap: 14px; }
.case-nav-link.prev:hover { gap: 14px; }
.case-nav-link span.label { color: var(--text-faint); display: block; font-size: 10px; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- CONTACT ---------- */
.contact-hero {
  min-height: calc(100vh - 0px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 48px 80px;
  position: relative;
  overflow: hidden;
}
.contact-title {
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.06s forwards;
}
.text-red { color: var(--red); }
.contact-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 720px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.14s forwards;
}
.contact-link-card {
  background: var(--bg);
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.25s ease;
}
.contact-link-card:hover { background: var(--bg-raised); }
.contact-link-label { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; }
.contact-link-value { font-family: var(--mono); font-size: 15px; color: var(--text); transition: color 0.2s ease; }
.contact-link-card:hover .contact-link-value { color: var(--red); }
.contact-links .contact-link-card:nth-child(5) { grid-column: 1 / -1; }
@media (max-width: 800px) {
  .contact-links .contact-link-card:nth-child(5) { grid-column: auto; }
}

/* ---------- FOOTER ---------- */
footer.site-footer {
  padding: 48px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 8px;
}
footer.site-footer a { color: var(--text-faint); transition: color 0.2s ease; }
footer.site-footer a:hover { color: var(--red); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .case-body { grid-template-columns: 1fr; }
  .case-toc { position: static; display: flex; gap: 18px; overflow-x: auto; padding-bottom: 8px; }
  .case-toc-label { display: none; }
  .case-toc a { border-left: none; border-bottom: 1px solid var(--line); padding: 0 0 8px 0; white-space: nowrap; }
}

@media (max-width: 420px) {
  nav { padding: 16px 16px; }
  .nav-logo { font-size: 11px; gap: 7px; }
  .nav-logo img { height: 16px; }
  .nav-links { gap: 11px; font-size: 10.5px; }
}

@media (max-width: 340px) {
  nav { flex-wrap: wrap; gap: 8px; padding: 14px 16px; }
  .nav-links { gap: 10px; font-size: 10px; }
}

@media (max-width: 800px) {
  nav { padding: 18px 24px; }
  .nav-links { gap: 18px; }
  .hub, .page-header, .case-header, .contact-hero { padding-left: 24px; padding-right: 24px; }
  section { padding: 70px 24px; }
  .project-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .hub-tiles { grid-template-columns: 1fr; }
  .hub-lockup { gap: 18px; }
  .hub-mark { height: 56px; }
  .hub-statgrid { gap: 24px 32px; }
  .case-specs, footer.site-footer .case-specs { grid-template-columns: repeat(2, 1fr); }
  .case-specs .spec:nth-child(2) { border-right: none; }
  .contact-links { grid-template-columns: 1fr; }
  .case-body { padding: 70px 24px; }
  .case-nav { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
  footer.site-footer { padding: 40px 24px; flex-direction: column; }
}