/* ============ Tokens ============ */
  :root {
    --paper: #F3F6F4;
    --paper-alt: #EAF0EC;
    --paper-raised: #FFFFFF;
    --ink: #14211D;
    --ink-soft: #46564F;
    --ink-faint: #7C8B84;
    --line: #D7E0DB;

    --teal-900: #0B2E2A;
    --teal-800: #123B35;
    --teal-700: #145048;
    --teal-600: #1A6A5F;
    --teal-500: #3E8C7F;
    --teal-tint: #DCEBE6;

    --rust-700: #215A62;
    --rust-600: #2E7A84;
    --rust-500: #4DA2AC;
    --rust-tint: #DCEEF0;

    --on-dark-ink: #EDF3F0;
    --on-dark-soft: #AFC4BC;
    --on-dark-line: rgba(237, 243, 240, 0.16);

    /* Fixed (non-theme-reactive) plates for logo cards — intentionally NOT
       overridden in the dark-mode blocks below, so logos stay legible
       regardless of light/dark theme. */
    --logo-plate: #FFFFFF;
    --logo-plate-dark: #14211D;

    --shadow: 0 20px 50px -25px rgba(11, 46, 42, 0.35);
    --radius-s: 6px;
    --radius-m: 10px;

    --font-display: "Newsreader", ui-serif, Georgia, "Times New Roman", serif;
    --font-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper: #0B1613;
      --paper-alt: #0F1D19;
      --paper-raised: #12211D;
      --ink: #EDF3F0;
      --ink-soft: #AFC4BC;
      --ink-faint: #77887F;
      --line: rgba(237, 243, 240, 0.14);

      --teal-900: #061815;
      --teal-800: #0C231F;
      --teal-tint: #16302A;

      --rust-500: #5FBAC4;
      --rust-600: #4DA2AC;
      --rust-tint: #12282A;

      --shadow: 0 20px 50px -25px rgba(0, 0, 0, 0.6);
    }
  }

  :root[data-theme="dark"] {
    --paper: #0B1613;
    --paper-alt: #0F1D19;
    --paper-raised: #12211D;
    --ink: #EDF3F0;
    --ink-soft: #AFC4BC;
    --ink-faint: #77887F;
    --line: rgba(237, 243, 240, 0.14);

    --teal-900: #061815;
    --teal-800: #0C231F;
    --teal-tint: #16302A;

    --rust-500: #5FBAC4;
    --rust-600: #4DA2AC;
    --rust-tint: #12282A;

    --shadow: 0 20px 50px -25px rgba(0, 0, 0, 0.6);
  }

  /* ============ Base ============ */
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; font-size: 22px; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.68;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; text-wrap: balance; }
  p { margin: 0; }
  a { color: inherit; }
  img, svg { display: block; max-width: 100%; }

  .wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding-inline: 40px;
  }

  @media (max-width: 640px) {
    .wrap { padding-inline: 22px; }
  }

  em.accent {
    font-style: italic;
    color: var(--rust-600);
  }

  .eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rust-600);
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--rust-600);
    display: inline-block;
  }

  .chapter { padding-block: clamp(64px, 9vw, 108px); }
  .chapter--dark {
    background: var(--teal-900);
    color: var(--on-dark-ink);
  }
  .chapter--dark .eyebrow { color: var(--rust-500); }
  .chapter--dark .eyebrow::before { background: var(--rust-500); }
  .chapter--dark h2, .chapter--dark h3 { color: var(--on-dark-ink); }
  .chapter--dark p { color: var(--on-dark-soft); }
  .chapter--alt { background: var(--paper-alt); }

  .chapter-head {
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 640px;
    margin-bottom: 48px;
  }
  .chapter-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    line-height: 1.2;
  }
  .chapter-head p.lede, p.lede {
    font-size: 1.05rem;
    color: var(--ink-soft);
    max-width: 56ch;
  }
  .chapter--dark .chapter-head p.lede, .chapter--dark p.lede { color: var(--on-dark-soft); }

  /* ============ Nav ============ */
  header.nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 16px;
  }
  .brand { display: inline-flex; text-decoration: none; line-height: 0; }
  .brand-logo { height: 26px; width: auto; display: block; }
  nav.links {
    display: flex;
    align-items: center;
    gap: 30px;
  }
  nav.links a {
    text-decoration: none;
    font-size: 0.88rem;
    color: var(--ink-soft);
    transition: color 0.15s ease;
  }
  nav.links a:hover, nav.links a:focus-visible { color: var(--teal-700); }
  .nav-cta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--paper);
    background: var(--rust-600);
    padding: 10px 18px;
    border-radius: var(--radius-s);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease;
  }
  .nav-cta:hover, .nav-cta:focus-visible { background: var(--rust-700); }
  .nav-toggle { display: none; }

  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--teal-600);
    outline-offset: 3px;
  }

  /* ============ Buttons ============ */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 13px 22px;
    border-radius: var(--radius-s);
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  }
  @media (prefers-reduced-motion: reduce) { .btn { transition: background 0.15s ease, border-color 0.15s ease; } }
  .btn:hover { transform: translateY(-1px); }
  .btn-primary { background: var(--teal-700); color: #F3F6F4; }
  .btn-primary:hover { background: var(--teal-600); }
  .btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
  .btn-ghost:hover { border-color: var(--teal-600); color: var(--teal-700); }
  .chapter--dark .btn-ghost { border-color: var(--on-dark-line); color: var(--on-dark-ink); }
  .chapter--dark .btn-ghost:hover { border-color: var(--rust-500); color: var(--rust-500); }
  .btn-rust { background: var(--rust-600); color: #FBF3EE; }
  .btn-rust:hover { background: var(--rust-500); }

  /* ============ Hero ============ */
  .hero {
    position: relative;
    padding-block: clamp(64px, 11vw, 120px) clamp(56px, 8vw, 96px);
    overflow: hidden;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--rust-600) 1px, transparent 1.6px);
    background-size: 26px 26px;
    opacity: 0.10;
    mask-image: radial-gradient(600px 420px at 82% 20%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(600px 420px at 82% 20%, black, transparent 75%);
    pointer-events: none;
  }
  .hero-inner { position: relative; max-width: 760px; }
  .hero h1 {
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin-top: 20px;
  }
  .hero p.sub {
    margin-top: 22px;
    font-size: 1.12rem;
    color: var(--ink-soft);
    max-width: 58ch;
  }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
    margin-top: 56px;
    max-width: 760px;
  }
  .hero-stat {
    background: var(--paper-raised);
    padding: 20px 18px;
    min-width: 0;
  }
  .stat-figure {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: clamp(1.15rem, 1.8vw, 1.9rem);
    font-weight: 600;
    color: var(--teal-700);
    line-height: 1.1;
    white-space: nowrap;
  }
  .hero-copy .hero-stats { max-width: 100%; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .hero-copy .hero-stat { padding: 18px 14px; }
  .hero-copy .stat-figure { font-size: clamp(1.05rem, 1.7vw, 1.5rem); white-space: normal; overflow-wrap: break-word; }
  .hero-copy .stat-caption { font-size: 0.78rem; }
  .stat-figure.rust { color: var(--rust-600); }
  .stat-caption {
    margin-top: 8px;
    font-size: 0.82rem;
    color: var(--ink-faint);
    line-height: 1.4;
  }

  /* ============ Two column ============ */
  .split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: start;
  }
  .split p + p { margin-top: 16px; }
  .symptom-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
  .symptom-list li {
    padding-block: 14px;
    border-bottom: 1px solid var(--on-dark-line);
    font-size: 0.98rem;
    color: var(--on-dark-ink);
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .symptom-list li:first-child { padding-top: 0; }
  .symptom-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(193, 90, 44, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .symptom-icon svg {
    width: 19px;
    height: 19px;
    stroke: var(--rust-500);
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  /* ============ Ingredient chips ============ */
  .chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
  .chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.88rem;
    color: var(--ink);
    background: var(--paper-raised);
  }
  .chip .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }

  .compare {
    margin-top: 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
  }
  .compare-col { background: var(--paper-raised); padding: 26px 28px; }
  .compare-col h4 {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 16px;
    color: var(--ink-faint);
  }
  .compare-col.win h4 { color: var(--teal-700); }
  .compare-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
  .compare-col li { font-size: 0.94rem; padding-left: 18px; position: relative; color: var(--ink-soft); }
  .compare-col li::before {
    content: "\2013";
    position: absolute; left: 0; color: var(--ink-faint);
  }
  .compare-col.win li { color: var(--ink); }
  .compare-col.win li::before { content: "\2713"; color: var(--teal-600); font-size: 0.82em; }

  /* ============ Pipeline ============ */
  .pipeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 8px;
    position: relative;
  }
  .pipeline.pipeline-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pipeline-step {
    padding: 26px 22px 0 0;
    border-top: 2px solid var(--rust-500);
    position: relative;
  }
  .pipeline-step .num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--rust-500);
    display: block;
    margin-bottom: 14px;
  }
  .pipeline-step h3 { font-size: 1.05rem; color: var(--on-dark-ink); margin-bottom: 8px; font-style: italic; }
  .pipeline-step p { font-size: 0.9rem; color: var(--on-dark-soft); }

  .validation-grid {
    margin-top: 64px;
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--on-dark-line);
  }
  .ring-wrap { position: relative; width: 240px; height: 240px; }
  .ring-wrap .ring-label {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
  }
  .ring-label .num { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600; color: var(--rust-500); white-space: nowrap; }
  .ring-label .txt { font-size: 0.72rem; color: var(--on-dark-soft); max-width: 132px; text-align: center; margin-top: 6px; line-height: 1.3; }
  .vstat { }
  .vstat .stat-figure { color: var(--on-dark-ink); font-size: 1.8rem; }
  .vstat .stat-caption { color: var(--on-dark-soft); }

  /* ============ Stat grid (impact) ============ */
  .stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
  }
  .stat-grid .hero-stat { padding: 26px 24px; }
  .stat-grid .stat-figure { font-size: clamp(1.6rem, 2.8vw, 2.1rem); }

  .state-chips { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px; }
  .state-chip {
    font-size: 0.86rem;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--teal-tint);
    color: var(--teal-700);
    font-weight: 500;
  }

  /* ============ Partners (logo marquee) ============ */
  .logo-marquee {
    position: relative;
    overflow: hidden;
    margin-top: 24px;
    padding: 10px 0 18px;
    -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  }
  .logo-marquee-track {
    display: flex;
    align-items: center;
    gap: 26px;
    width: max-content;
    animation: logo-scroll 34s linear infinite;
  }
  .logo-marquee:hover .logo-marquee-track { animation-play-state: paused; }
  /* Every mark gets the same light card so mixed artwork (wordmarks, emblems,
     reversed-out logos) all read at a consistent size and weight. */
  .logo-marquee-track .logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 172px;
    height: 104px;
    padding: 16px 20px;
    background: var(--logo-plate);
    border: 1px solid rgba(11, 46, 42, 0.10);
    border-radius: 16px;
    box-shadow: 0 10px 24px -14px rgba(11, 46, 42, 0.55);
  }
  .logo-marquee-track img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
  }
  /* Reversed-out (white-on-nothing) marks need a dark card instead of a light one */
  .logo-marquee-track .logo-item.on-dark {
    background: var(--logo-plate-dark);
    border-color: rgba(237, 243, 240, 0.16);
  }
  @keyframes logo-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  @media (prefers-reduced-motion: reduce) {
    .logo-marquee-track { animation: none; }
  }
  @media (max-width: 640px) {
    .logo-marquee-track { gap: 16px; }
    .logo-marquee-track .logo-item { width: 128px; height: 78px; padding: 10px 14px; border-radius: 12px; }
  }

  /* Institution-logo badges inside the science/pipeline cards — same light-card
     treatment as the marquee, so every logo across the site matches. */
  .pipeline-step .step-logo-card {
    width: 148px;
    height: 88px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    background: var(--logo-plate);
    border: 1px solid rgba(11, 46, 42, 0.10);
    border-radius: 14px;
    margin-bottom: 18px;
    box-shadow: 0 12px 26px -14px rgba(0, 0, 0, 0.55);
  }
  .pipeline-step .step-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
  }

  /* ============ WEPs signatory badge ============ */
  .weps-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
    box-shadow: var(--shadow);
    max-width: 720px;
  }
  .weps-logo-band {
    background: var(--teal-900);
    padding: 40px 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .weps-logo-img {
    width: 100%;
    max-width: 420px;
    height: auto;
    display: block;
  }
  .weps-body { padding: 32px 40px 40px; }
  .weps-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
  .weps-body p { color: var(--ink-soft); margin-bottom: 20px; max-width: 62ch; }
  @media (max-width: 560px) {
    .weps-logo-band { padding: 30px 26px; }
    .weps-body { padding: 26px 26px 32px; }
  }

  /* ============ Founders ============ */
  .founders { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 8px; }
  .founder-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    padding: 30px 28px;
  }
  .monogram {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--teal-700); color: #F3F6F4;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-style: italic; font-size: 1.05rem;
    margin-bottom: 18px;
  }
  .founder-card h3 { font-size: 1.15rem; }
  .founder-card .role { font-size: 0.85rem; color: var(--rust-600); margin-top: 4px; font-weight: 500; font-family: var(--font-body); }
  .founder-card p.bio { margin-top: 14px; font-size: 0.9rem; color: var(--ink-soft); }

  .thesis {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    line-height: 1.45;
    color: var(--ink);
    max-width: 720px;
    margin-bottom: 56px;
  }

  /* ============ CTA / Contact ============ */
  .cta-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 8px; }
  .cta-path {
    border: 1px solid var(--on-dark-line);
    border-radius: var(--radius-m);
    padding: 28px 26px;
  }
  .cta-path h3 { color: var(--on-dark-ink); font-size: 1.1rem; margin-bottom: 10px; }
  .cta-path p { font-size: 0.92rem; margin-bottom: 20px; }

  .office-grid {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--on-dark-line);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
  .office-grid h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--rust-500);
    margin-bottom: 10px;
  }
  .office-grid p { font-size: 0.88rem; color: var(--on-dark-soft); line-height: 1.55; }
  .contact-line { margin-top: 30px; display: flex; gap: 28px; flex-wrap: wrap; }
  .contact-line a { text-decoration: none; font-size: 0.95rem; color: var(--on-dark-ink); border-bottom: 1px solid var(--rust-500); padding-bottom: 2px; }

  /* ============ Footer ============ */
  footer {
    background: var(--teal-900);
    color: var(--on-dark-soft);
    padding-block: 40px;
    border-top: 1px solid var(--on-dark-line);
  }
  .footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
  }
  .footer-left { display: flex; flex-direction: column; gap: 6px; }
  .footer-left .brand-logo { height: 28px; }
  .footer-left .tag { font-size: 0.82rem; }
  .footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
  .footer-nav a { font-size: 0.84rem; text-decoration: none; color: var(--on-dark-soft); }
  .footer-nav a:hover { color: var(--rust-500); }
  .footer-social { display: flex; gap: 14px; }
  .footer-social a {
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid var(--on-dark-line);
    display: flex; align-items: center; justify-content: center;
    color: var(--on-dark-ink);
  }
  .footer-social a:hover { border-color: var(--rust-500); color: var(--rust-500); }
  .footer-bottom {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--on-dark-line);
    font-size: 0.78rem;
  }

  /* ============ Responsive ============ */
  @media (max-width: 860px) {
    nav.links { display: none; }
    .split, .founders, .cta-paths { grid-template-columns: 1fr; }
    .stat-grid, .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .pipeline, .pipeline.pipeline-3 { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
    .validation-grid { grid-template-columns: 1fr; justify-items: start; gap: 28px; }
    .office-grid { grid-template-columns: 1fr; }
    .compare { grid-template-columns: 1fr; }
  }
  @media (max-width: 520px) {
    .hero-stats, .stat-grid { grid-template-columns: 1fr; }
    .pipeline, .pipeline.pipeline-3 { grid-template-columns: 1fr; }
  }

  /* ============ Page hero (interior pages) ============ */
  .page-hero {
    padding-block: clamp(56px, 9vw, 96px) clamp(40px, 6vw, 64px);
    border-bottom: 1px solid var(--line);
  }
  .page-hero .eyebrow { margin-bottom: 18px; }
  .page-hero h1 {
    font-size: clamp(2rem, 4.4vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    max-width: 820px;
  }
  .page-hero p.sub {
    margin-top: 20px;
    font-size: 1.08rem;
    color: var(--ink-soft);
    max-width: 60ch;
  }
  .page-hero--dark { background: var(--teal-900); color: var(--on-dark-ink); border-bottom: none; }
  .page-hero--dark p.sub { color: var(--on-dark-soft); }

  /* ============ FAQ ============ */
  .faq-list { max-width: 780px; }
  details.faq-item {
    border-bottom: 1px solid var(--line);
    padding-block: 6px;
  }
  details.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 0;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary::after {
    content: "+";
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--rust-600);
    flex-shrink: 0;
    transition: transform 0.2s ease;
  }
  details.faq-item[open] summary::after { transform: rotate(45deg); }
  details.faq-item .faq-a {
    font-size: 0.95rem;
    color: var(--ink-soft);
    padding-bottom: 20px;
    max-width: 64ch;
  }

  /* ============ Tables (Projects) ============ */
  .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--paper-raised); }
  table.mosachi-table { width: 100%; border-collapse: collapse; min-width: 560px; }
  table.mosachi-table th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper-alt);
    white-space: nowrap;
  }
  table.mosachi-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
    font-size: 0.9rem;
    vertical-align: top;
    color: var(--ink);
  }
  table.mosachi-table td .meta { display: block; margin-top: 4px; font-size: 0.84rem; color: var(--ink-faint); }
  table.mosachi-table tr:last-child td { border-bottom: none; }
  .year-block + .year-block { margin-top: 64px; }
  .year-block-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
  .year-block-head h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
  .year-block-head .count { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-faint); }

  /* ============ Contact form ============ */
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  @media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
  .field { margin-bottom: 18px; }
  .field label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; color: var(--ink-soft); }
  .field input, .field textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 12px 14px;
    border-radius: var(--radius-s);
    border: 1px solid var(--line);
    background: var(--paper-raised);
    color: var(--ink);
  }
  .field textarea { min-height: 130px; resize: vertical; }
  .field input:focus, .field textarea:focus { outline: 2px solid var(--teal-600); outline-offset: 1px; }
  .office-card { background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 24px 26px; margin-bottom: 18px; }
  .office-card h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--rust-600); margin-bottom: 10px; }
  .office-card p { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.55; }

  /* ============ Mobile nav ============ */
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--ink);
  }
  @media (max-width: 860px) {
    .nav-toggle { display: flex; align-items: center; justify-content: center; }
    .nav-cta { display: none; }
    nav.links {
      display: none;
      position: absolute;
      top: 100%; left: 0; right: 0;
      background: var(--paper-raised);
      border-bottom: 1px solid var(--line);
      flex-direction: column;
      align-items: flex-start;
      gap: 4px;
      padding: 10px 28px 18px;
    }
    nav.links.open { display: flex; }
    nav.links a { padding: 12px 0; width: 100%; }
    .nav-row { position: relative; }
  }

  /* ============ Misc page content ============ */
  .prose { max-width: 720px; font-size: 1rem; color: var(--ink-soft); }
  .prose p + p { margin-top: 18px; }
  .value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; margin-top: 8px; }
  .value-card { background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 26px; }
  .value-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
  .value-card p { font-size: 0.9rem; color: var(--ink-soft); }

  /* ============ Hero with media ============ */
  .hero-flex { display: flex; flex-direction: column; gap: 44px; position: relative; }
  @media (min-width: 960px) {
    .hero-flex { flex-direction: row; align-items: center; gap: 60px; }
    .hero-copy { flex: 1.15 1 0; }
    .hero-media { flex: 0.85 1 0; }
  }
  .hero-copy { max-width: 640px; }
  .hero-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    border-radius: 16px;
    box-shadow: var(--shadow);
    background: var(--paper-raised);
  }

  /* ============ Split with media (product sections) ============ */
  .split-media { display: flex; flex-wrap: wrap; gap: 44px; align-items: flex-start; margin-bottom: 8px; }
  .split-media .split-media-text { flex: 1 1 420px; }
  .split-media .split-media-img { width: 180px; flex: 0 0 180px; }
  .split-media .split-media-img img { width: 180px; height: 340px; object-fit: cover; object-position: top; border-radius: 14px; box-shadow: var(--shadow); }
  .split-media .split-media-img.wide { width: 380px; flex: 1 1 380px; }
  .split-media .split-media-img.wide img { width: 100%; height: 280px; object-position: center; }

  /* ============ Photo feature grid ============ */
  .photo-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; margin-top: 40px; }
  .photo-grid figure { margin: 0; }
  .photo-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
  .photo-grid figcaption { margin-top: 10px; font-size: 0.82rem; color: var(--ink-faint); font-family: var(--font-mono); }
  @media (max-width: 720px) {
    .photo-grid { grid-template-columns: 1fr; }
  }

  /* ============ Stat source note ============ */
  .stat-source { font-size: 0.72rem; color: var(--ink-faint); margin-top: 6px; font-family: var(--font-mono); }
  .chapter--dark .stat-source { color: var(--on-dark-soft); opacity: 0.8; }

  /* ============ Extended comparison table ============ */
  .compare-wide-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--paper-raised); margin-top: 8px; }
  table.compare-wide { width: 100%; border-collapse: collapse; min-width: 640px; }
  table.compare-wide th, table.compare-wide td { padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 0.88rem; text-align: left; vertical-align: top; }
  table.compare-wide th { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); background: var(--paper-alt); }
  table.compare-wide th.win-col, table.compare-wide td.win-col { background: var(--teal-tint); color: var(--teal-800); font-weight: 600; }
  table.compare-wide tr:last-child td { border-bottom: none; }
  table.compare-wide td:first-child { font-weight: 600; }

  /* ============ Mobile scroll hint for wide tables ============ */
  /* .table-wrap (Projects) and .compare-wide-wrap (Iron deficiency comparison)
     both use overflow-x:auto with a wider min-width table, so on phones only
     part of the table is visible. Add a right-edge fade + a "swipe" hint so
     it's clear there's more content, since nothing else here signals that. */
  .table-scroll-hint { display: none; }
  @media (max-width: 720px) {
    .table-wrap, .compare-wide-wrap { position: relative; }
    .table-wrap::after, .compare-wide-wrap::after {
      content: "";
      position: absolute;
      top: 0; right: 0; bottom: 0;
      width: 32px;
      background: linear-gradient(to right, transparent, var(--paper-raised));
      border-radius: 0 var(--radius-m) var(--radius-m) 0;
      pointer-events: none;
    }
    .table-scroll-hint {
      display: block;
      margin-top: 8px;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.04em;
      color: var(--ink-faint);
    }
  }

  /* ============ Nutrient cards ============ */
  .nutrient-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 8px; }
  .nutrient-card { display: flex; gap: 16px; align-items: flex-start; background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 22px; }
  .nutrient-badge { width: 42px; height: 42px; border-radius: 50%; background: var(--teal-tint); color: var(--teal-800); font-family: var(--font-mono); font-weight: 600; font-size: 0.85rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .nutrient-card h4 { font-size: 0.98rem; margin-bottom: 4px; }
  .nutrient-card p { font-size: 0.85rem; color: var(--ink-soft); }

  /* ============ Timeline ============ */
  .timeline { display: flex; flex-wrap: wrap; gap: 0; margin-top: 12px; border-top: 2px solid var(--line); padding-top: 28px; }
  .timeline-step { flex: 1 1 180px; padding-right: 20px; margin-bottom: 24px; position: relative; }
  .timeline-step::before { content: ''; position: absolute; top: -34px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--rust-600); }
  .timeline-year { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; color: var(--rust-600); margin-bottom: 6px; }
  .timeline-step h4 { font-size: 0.95rem; margin-bottom: 6px; }
  .timeline-step p { font-size: 0.82rem; color: var(--ink-soft); }
  .chapter--dark .timeline { border-top-color: var(--on-dark-line); }
  .chapter--dark .timeline-step p { color: var(--on-dark-soft); }

  /* ============ Fit grid (icons-free) ============ */
  .fit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; margin-top: 8px; }
  .fit-cell { background: var(--paper-raised); padding: 24px 20px; }
  .fit-cell h4 { font-size: 0.92rem; margin-bottom: 6px; }
  .fit-cell p { font-size: 0.82rem; color: var(--ink-soft); }

  /* ============ Founder photo card ============ */
  .founder-card.has-photo { padding: 0; overflow: hidden; }
  .founder-card .founder-photo { width: 100%; aspect-ratio: 4/5; object-fit: cover; display: block; background: var(--paper-alt); }
  .founder-card .founder-body { padding: 26px 28px; }

  /* ============ Institution / vision block ============ */
  .institution-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--on-dark-line); }
  .institution-grid h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--rust-500); margin-bottom: 10px; }
  .institution-grid p { font-size: 0.88rem; color: var(--on-dark-soft); }