:root {
  --paper: oklch(97.2% 0.012 78);
  --paper-2: oklch(94.5% 0.015 78);
  --ink: oklch(22% 0.018 60);
  --ink-soft: oklch(42% 0.02 60);
  --mute: oklch(62% 0.015 60);
  --rule: oklch(88% 0.02 78);
  --accent: oklch(48% 0.09 150);      /* moss green */
  --moss: oklch(38% 0.06 140);
  --clay: oklch(58% 0.14 55);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 40px; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding: 48px 40px 40px;
}

/* Top bar */
.top {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 100px;
}
.logo {
  grid-column: 1 / span 6;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.logo-mark { flex: 0 0 auto; width: 56px; height: 42px; }
.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.logo-text span {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--mute);
  text-transform: uppercase;
  margin-top: 2px;
}
.top-meta {
  grid-column: 7 / -1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.top-meta .meta-link {
  color: var(--ink);
  text-decoration: none;
  transition: color .2s;
}
.top-meta .meta-link:hover { color: var(--accent); }
.top-meta .meta-status { color: var(--accent); }

/* Hero */
.hero {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-bottom: 120px;
}
.hero-label {
  grid-column: 1 / span 2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  padding-top: 12px;
}
.hero-label .num { color: var(--accent); margin-right: 8px; }
.hero h1 {
  grid-column: 1 / -1;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  font-size: clamp(40px, 4.8vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  white-space: nowrap;
}
.hero h1 .science { color: var(--accent); }
.hero h1 .joy { color: var(--clay); }
.hero h1 .mobile-only { display: none; }

/* Page heading (subpages) */
.page-head {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-bottom: 60px;
}
.page-head h1 {
  grid-column: 1 / -1;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0;
}

/* Numbered blocks */
.block {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}
.block-label {
  grid-column: 1 / span 4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}
.block-body { grid-column: 5 / span 7; }
.block-body p {
  font-size: 17px;
  line-height: 1.45;
  margin: 0 0 14px;
  color: var(--ink);
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.block-body p:last-child { margin-bottom: 0; }
.block-body p strong { font-weight: 500; }

.focus-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.focus-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  font-size: 17px;
  align-items: baseline;
}
.focus-list li:nth-child(odd) { padding-right: 20px; }
.focus-list li:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--rule); }
.focus-list li:nth-last-child(-n+2) { border-bottom: 0; }
.focus-list .n {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--mute);
}
.focus-list .label { font-weight: 500; color: var(--ink); }
.focus-list .desc {
  display: block;
  font-size: 14px;
  color: var(--mute);
  margin-top: 6px;
  line-height: 1.5;
}

/* Empty state */
.empty {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding: 60px 0 120px;
  border-top: 1px solid var(--rule);
}
.empty p {
  grid-column: 5 / span 7;
  font-size: 17px;
  color: var(--mute);
  margin: 0;
}

/* Now panel */
.now-wrap {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin: 48px 0;
}
.now {
  grid-column: 3 / span 10;
  background: var(--paper-2);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: start;
}
.now-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 8px;
}
.now-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.now h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.now p {
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
  color: var(--ink-soft);
}

/* CTA */
.cta {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}
.cta-name {
  grid-column: 1 / span 4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}
.cta-main { grid-column: 5 / span 7; }
.cta h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  text-wrap: balance;
}
.cta h2 .accent { color: var(--accent); }
.cta .sub {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 32px;
}
.form {
  display: flex;
  flex-direction: column;
  max-width: 520px;
  border: 1px solid var(--ink);
}
.form input,
.form textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 16px 18px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  outline: none;
  width: 100%;
}
.form textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}
.form input::placeholder,
.form textarea::placeholder { color: var(--mute); }
.form button {
  background: var(--ink);
  color: var(--paper);
  border: 0;
  padding: 16px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s;
  width: 100%;
  text-align: center;
}
.form button:hover { background: var(--accent); }
.form button:disabled { opacity: .6; cursor: default; }
.form.error { border-color: var(--accent); }
.form-msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 10px;
}
.form-msg:empty { display: none; }
.form-msg.error, .form-msg.success { color: var(--accent); }

/* Footer */
.footer {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}
.footer > * { grid-column: span 3; }
.footer b { display: block; color: var(--ink); font-weight: 400; margin-top: 4px; }
.footer a { color: var(--ink); text-decoration: none; }
.footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .grid { padding: 24px 20px; }
  .top { padding-bottom: 20px; margin-bottom: 40px; }
  .hero { margin-bottom: 48px; }
  .top, .hero, .footer, .now-wrap, .page-head, .empty { grid-template-columns: 1fr; }

  .block, .cta {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .block-label, .cta-name { grid-column: 1 / -1; }
  .block-body, .cta-main { grid-column: 1 / -1; }

  .footer { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
  .footer > * { grid-column: auto; }

  .hero h1, .now, .empty p, .page-head h1 { grid-column: 1 / -1; }
  .hero h1 { white-space: normal; font-size: clamp(32px, 8.5vw, 48px); }
  .hero h1 .mobile-only { display: inline; }
  .focus-list { grid-template-columns: 1fr; }
  .focus-list li:nth-child(even) { padding-left: 0; border-left: 0; }
  .now { grid-template-columns: 1fr; }

  .top-meta { flex-wrap: wrap; gap: 16px 20px; }
}