/* ============================================================
   eecLab — Editorial Atelier
   Type: Fraunces (display) / Space Grotesk (UI) / JetBrains Mono (meta)
   ============================================================ */

:root {
  --paper: #efe9dd;
  --paper-2: #e7e0d2;
  --paper-3: #e0d8c8;
  --ink: #17140f;
  --ink-soft: #3d382f;
  --muted: #6f6659;
  --line: rgba(23, 20, 15, 0.14);
  --line-strong: rgba(23, 20, 15, 0.3);
  --accent: #c4472c;
  --accent-dark: #a8371f;
  --on-accent: #f6f1e6;

  --font-display: "Fraunces", Georgia, serif;
  --font-ui: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --shell: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.62;
  letter-spacing: -0.006em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

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

img,
svg {
  display: block;
}

h1, h2, h3, p, dl, dd, dt, ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- Atmosphere ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 12px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(239, 233, 221, 0.86);
  backdrop-filter: blur(16px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  font-size: 1.5rem;
  line-height: 1;
}

.wordmark-eec {
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.wordmark-lab {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.02em;
  transform: translateY(-1px);
}

.site-nav {
  display: flex;
  gap: 34px;
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}

.site-nav a:hover {
  color: var(--accent);
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(196, 71, 44, 0.14);
  animation: pulse 2.6s var(--ease) infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(196, 71, 44, 0.14); }
  50% { box-shadow: 0 0 0 7px rgba(196, 71, 44, 0.04); }
}

/* ---------- Typographic atoms ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: 88px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-text-eyebrow {
  display: block;
}

.eyebrow-right {
  text-align: right;
}

.hero-title {
  margin-top: 30px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 9.4vw, 8.2rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.045em;
}

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  padding: 46px 0 54px;
}

.hero-lede {
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--ink-soft);
}

.hero-stats {
  display: flex;
  gap: 44px;
}

.stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  border-left: 1px solid var(--line-strong);
  padding-left: 18px;
  min-width: 108px;
}

.stat dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.stat dd {
  font-family: var(--font-display);
  font-size: 2.1rem;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

/* ---------- Ticker ---------- */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  user-select: none;
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 26px;
  width: max-content;
  padding: 13px 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  animation: ticker 42s linear infinite;
}

.ticker-sep {
  color: var(--accent);
}

.ticker:hover .ticker-track {
  animation-play-state: paused;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Collection ---------- */
.collection {
  padding: 96px 0 40px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
}

.section-title {
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.section-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding-bottom: 6px;
}

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line-strong);
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.filter-options {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: none;
  border: 0;
  border-radius: 2px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.filter-btn::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.2s var(--ease);
}

.filter-btn:hover {
  color: var(--ink);
  background: rgba(23, 20, 15, 0.03);
}

.filter-btn[aria-pressed="true"] {
  color: var(--ink);
}

.filter-btn[aria-pressed="true"]::before {
  background: var(--accent);
}

.filter-count {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.filter-btn[aria-pressed="true"] .filter-count {
  color: var(--accent);
}

.filter-empty {
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.filter-empty p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--ink);
}

.filter-empty span {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.nojs-archive {
  padding: 28px 0 34px;
  border-bottom: 1px solid var(--line);
}

.nojs-note {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.nojs-archive ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.nojs-archive strong {
  font-weight: 600;
  color: var(--ink);
}

.nojs-archive a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- App list ---------- */
.app-list {
  margin: 0;
}

.app-row {
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}

.app-row:hover {
  background: rgba(23, 20, 15, 0.025);
}

.app-row.is-open {
  background: rgba(23, 20, 15, 0.03);
}

.app-row-main {
  display: grid;
  grid-template-columns: 46px 62px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 22px;
  padding: 26px 0;
}

.app-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 3px;
  transition: color 0.25s var(--ease);
}

.app-row:hover .app-index,
.app-row.is-open .app-index {
  color: var(--accent);
}

.app-mark {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--app-color, var(--ink));
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 6px 18px rgba(23, 20, 15, 0.14);
  transition: transform 0.3s var(--ease);
}

.app-row:hover .app-mark {
  transform: translateY(-2px) rotate(-2deg);
}

.app-mark--image {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.app-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(23, 20, 15, 0.16));
}

.app-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.app-tagline {
  margin-top: 5px;
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 54ch;
}

.app-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.app-meta span {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.app-meta span + span::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
}

.app-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 3px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}

.btn-download svg {
  width: 15px;
  height: 15px;
  transition: transform 0.25s var(--ease);
}

.btn-download:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.btn-download:hover svg {
  transform: translateY(2px);
}

.btn-download--pending,
.btn-download--pending:hover {
  background: transparent;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  cursor: default;
  transform: none;
  box-shadow: none;
  filter: none;
}

.btn-expand {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease);
}

.btn-expand svg {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease);
}

.btn-expand:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.app-row.is-open .btn-expand svg {
  transform: rotate(45deg);
}

/* ---------- Detail (expandable) ---------- */
.app-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.42s var(--ease);
}

.app-row.is-open .app-detail {
  grid-template-rows: 1fr;
}

.app-detail-inner {
  overflow: hidden;
  min-height: 0;
}

.app-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  padding: 4px 0 40px 130px;
}

.detail-label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.detail-desc {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 50ch;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.feature-list li .f-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  padding-top: 4px;
}

/* ---------- Empty / archive note ---------- */
.archive-note {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.archive-note .plus {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.empty-state {
  padding: 64px 0;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.empty-state p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--muted);
}

/* ---------- About ---------- */
.about {
  padding: 96px 0 110px;
  border-bottom: 1px solid var(--line-strong);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 80px;
  align-items: start;
}

.about-title {
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.about-title em {
  font-style: italic;
  color: var(--accent);
}

.about-body {
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.about-body p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 58ch;
}

.about-body p + p {
  margin-top: 18px;
}

.signature {
  margin-top: 30px !important;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.5rem !important;
  color: var(--ink) !important;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-top: 46px;
  overflow: hidden;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.footer-nav {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-nav a {
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-wordmark {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin: 34px 0 0;
  padding-bottom: 0.1em;
  font-family: var(--font-display);
  font-size: clamp(6rem, 23vw, 20rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--ink);
  user-select: none;
}

.footer-wordmark em {
  font-style: italic;
  color: var(--accent);
}

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.footer-by {
  color: var(--accent);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Focus within app rows ---------- */
.app-row:focus-within {
  background: rgba(23, 20, 15, 0.03);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1040px) {
  .app-row-main {
    grid-template-columns: 38px 56px minmax(0, 1fr) auto;
    gap: 18px;
  }
  .app-meta {
    display: none;
  }
  .app-detail-grid {
    padding-left: 112px;
  }
}

@media (max-width: 860px) {
  .shell { padding: 0 26px; }
  .hero { padding-top: 64px; }
  .hero-foot {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 42px;
  }
  .hero-stats { gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .about-body { padding-top: 24px; }
  .app-detail-grid {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-left: 0;
  }
}

@media (max-width: 640px) {
  .shell { padding: 0 20px; }
  .header-inner { height: 64px; gap: 14px; }
  .site-nav { gap: 18px; font-size: 0.84rem; }
  .nav-num { display: none; }
  .header-status { display: none; }
  .hero-meta .eyebrow-right { display: none; }
  .hero-title { margin-top: 22px; }
  .hero-foot { padding-top: 34px; }
  .hero-stats { gap: 26px; }
  .stat { min-width: 0; padding-left: 14px; }
  .stat dd { font-size: 1.7rem; }
  .collection { padding-top: 64px; }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .section-note { padding-bottom: 0; }
  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 14px;
  }
  .filter-options {
    width: 100%;
    gap: 4px 10px;
  }
  .filter-btn {
    padding: 7px 6px;
    font-size: 0.84rem;
  }
  .app-row-main {
    grid-template-columns: 34px 50px minmax(0, 1fr);
    grid-template-areas:
      "index mark info"
      ". . actions";
    row-gap: 16px;
    padding: 22px 0;
  }
  .app-index { grid-area: index; align-self: start; padding-top: 2px; }
  .app-mark { grid-area: mark; width: 50px; height: 50px; border-radius: 12px; }
  .app-info { grid-area: info; }
  .app-actions {
    grid-area: actions;
    justify-self: start;
    margin-left: 84px;
  }
  .btn-download { padding: 11px 18px; font-size: 0.84rem; }
  .btn-expand { width: 40px; height: 40px; }
  .app-name { font-size: 1.35rem; }
  .about { padding: 64px 0 70px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 18px; }
  .footer-wordmark { margin-bottom: 0; padding-bottom: 0.12em; }
  .footer-legal { flex-direction: column; gap: 8px; }
}

@media (max-width: 400px) {
  .app-actions { margin-left: 0; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .ticker-track { animation: none; }
}