  @font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/montserrat-400.woff2') format('woff2'); }
  @font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/montserrat-500.woff2') format('woff2'); }
  @font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/montserrat-600.woff2') format('woff2'); }
  @font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/montserrat-700.woff2') format('woff2'); }
  /* ---------- Direction 2 "Regulatory Clean" — light-first, dark as a
     properly redesigned secondary surface, not a mechanical token swap. ---------- */
  :root {
    --ink: #fafafa;
    --ink-soft: #3d4759;
    --paper: #ffffff;
    --panel: #f1f3f7;
    --hair: #dde1e9;
    --text: #171d2b;
    --text-dim: #3d4759;
    --accent: #1a5276;
    --accent-dim: #123c57;
    --signal: #4f7a1b;
    --signal-dim: #3c5f14;
    --logo-green: #8cc342;
    --climate-bg: #eef8f2;
    --climate-panel: #ffffff;
    --climate-hair: #bfe2cf;
    --radius: 2px;
    --serif: 'Montserrat', -apple-system, 'Segoe UI', Arial, sans-serif;
    --sans: 'Montserrat', -apple-system, 'Segoe UI', Arial, sans-serif;
    --mono: 'Montserrat', -apple-system, 'Segoe UI', Arial, sans-serif;
  }
  :root[data-theme="dark"] {
    --ink: #0a0e17; --paper: #10151f; --panel: #141b2a; --hair: #232f45;
    --text: #e8ecf4; --text-dim: #a6b1c4; --ink-soft: #a6b1c4;
    --climate-bg: #0b1712; --climate-panel: #0f1e17; --climate-hair: #1c3327;
    --accent: #5b9bd0; --accent-dim: #4784b8;
    --signal: #8cc342; --signal-dim: #6fa82b;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --ink: #0a0e17; --paper: #10151f; --panel: #141b2a; --hair: #232f45;
      --text: #e8ecf4; --text-dim: #a6b1c4; --ink-soft: #a6b1c4;
      --climate-bg: #0b1712; --climate-panel: #0f1e17; --climate-hair: #1c3327;
      --accent: #5b9bd0; --accent-dim: #4784b8;
      --signal: #8cc342; --signal-dim: #6fa82b;
    }
    :root:not([data-theme="light"]) .logo-dark { display: none; }
    :root:not([data-theme="light"]) .logo-white { display: inline; }
  }
  /* Default (no JS, no explicit theme): light — logo-dark shows, logo-white hidden */
  .logo-white { display: none; }
  .logo-dark { display: inline; }
  :root[data-theme="dark"] .logo-white { display: inline; }
  :root[data-theme="dark"] .logo-dark { display: none; }
  :root[data-theme="light"] .logo-white { display: none; }
  :root[data-theme="light"] .logo-dark { display: inline; }
  .theme-toggle {
    font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em;
    background: none; border: 1px solid var(--hair); color: var(--text-dim);
    padding: 7px 11px; border-radius: var(--radius); cursor: pointer; line-height: 1;
  }
  .theme-toggle:hover { border-color: var(--text-dim); color: var(--text); }
  .theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--ink);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  ::selection { background: var(--accent); color: #ffffff; }
  a { color: inherit; }
  h1, h2, h3 { text-wrap: balance; font-family: var(--serif); margin: 0; }
  .wrap { max-width: 1240px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px); }

  /* ---------- header ---------- */
  header {
    position: sticky; top: 0; z-index: 20;
    background: color-mix(in srgb, var(--ink) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--hair);
  }
  .nav { display: grid; grid-template-columns: auto 1fr auto auto 150px; align-items: center; column-gap: 20px; height: 64px; }
  .menu-toggle { display: none; }
  @media (max-width: 760px) {
    .nav { display: flex; justify-content: space-between; align-items: center; column-gap: 10px; }
    .wrap.nav > .navcta, .wrap.nav > .langsw, .wrap.nav > .navlinks { display: none; }
    .wrap.nav > .theme-toggle { margin-left: auto; }
    .menu-toggle {
      display: inline-flex; align-items: center; justify-content: center;
      flex: none; width: 36px; height: 36px; background: none; border: 1px solid var(--hair);
      border-radius: var(--radius); color: var(--text); cursor: pointer; padding: 0;
    }
    .menu-toggle:hover { border-color: var(--accent); color: var(--accent); }
  }
  .brand { display: flex; align-items: center; gap: 10px; font-family: var(--sans); font-size: 17px; letter-spacing: 0; font-weight: 600; }
  .brand .wordmark { display: inline-flex; gap: 0; }
  .brand img { height: 22px; width: auto; }
  .brand b { color: var(--text); }
  .brand span { color: var(--logo-green); }
  .navlinks { display: flex; align-items: center; gap: 30px; font-size: 13.5px; color: var(--text-dim); }
  .navlinks a { text-decoration: none; }
  .navlinks a:hover { color: var(--text); }
  .navcta {
    font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.03em;
    border: 1px solid var(--hair); padding: 8px 16px; border-radius: var(--radius);
    text-decoration: none; color: var(--text); white-space: nowrap;
    width: 150px; box-sizing: border-box; text-align: center;
  }
  .navcta:hover { border-color: var(--accent); color: var(--accent); }
  .langsw { display: flex; gap: 2px; }
  .langsw .lang {
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.02em; background: none;
    border: 1px solid transparent; color: var(--ink-soft); padding: 6px 8px; border-radius: var(--radius);
    cursor: pointer;
  }
  .langsw .lang:hover { color: var(--text); }
  .langsw .lang.active { color: var(--accent); border-color: var(--hair); }
  .langsw .lang:focus-visible, .navlinks a:focus-visible, .navcta:focus-visible, .btn-primary:focus-visible, .btn-ghost:focus-visible, .pc-link:focus-visible, .menu-toggle:focus-visible, .theme-toggle:focus-visible {
    outline: 2px solid var(--accent); outline-offset: 2px;
  }

  /* ---------- mobile menu (fixes W2 — nav overflow at 390px) ---------- */
  .mobile-menu {
    display: none; flex-direction: column; gap: 16px;
    padding: 18px clamp(20px, 4vw, 56px) 24px; border-top: 1px solid var(--hair);
    background: var(--paper);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu .navlinks { flex-direction: column; align-items: flex-start; gap: 14px; font-size: 15px; }
  .mobile-menu .langsw { gap: 6px; }
  .mobile-menu .langsw .lang { padding: 7px 10px; }
  .mobile-menu .navcta {
    display: inline-block; width: auto; align-self: flex-start;
  }
  .mobile-menu .theme-toggle { align-self: flex-start; }
  @media (min-width: 761px) { .mobile-menu { display: none !important; } }

  /* ---------- hero split ---------- */
  .hero { border-bottom: 1px solid var(--hair); }
  .hero-grid {
    display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: stretch;
    min-height: 640px;
  }
  @media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
  /* Grid/flex items default to min-width:auto (their content's min-content
     size), which silently causes horizontal overflow on narrow viewports —
     the W2 nav-overflow root cause recurs here for the whole hero body.
     min-width:0 lets the column actually shrink to the viewport. */
  .hero-left, .hero-right { min-width: 0; }

  .hero-left {
    padding: clamp(48px, 7vw, 96px) clamp(24px, 5vw, 64px) clamp(48px, 6vw, 80px);
    display: flex; flex-direction: column; justify-content: center;
    border-right: 1px solid var(--hair);
    position: relative;
    min-width: 0;
  }
  @media (max-width: 900px) { .hero-left { border-right: none; border-bottom: 1px solid var(--hair); } }

  .eyebrow {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--accent); display: flex; align-items: center; gap: 9px; margin-bottom: 22px;
  }
  .eyebrow::before { content: ""; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

  .hero-left h1 {
    font-size: clamp(34px, 4.1vw, 54px); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em;
    color: var(--text); max-width: 15ch;
  }
  html[lang="de"] .hero-left h1 { font-size: clamp(28px, 3.4vw, 44px); max-width: 17ch; }
  .hero-left h1 em { font-style: normal; color: var(--accent); }
  .hero-lede {
    margin-top: 22px; max-width: 46ch; color: var(--text-dim); font-size: 17px; line-height: 1.65;
  }
  .hero-lede strong { color: var(--text); font-weight: 600; }

  .capabilities { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
  .cap-tag {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.03em; color: var(--text-dim);
    border: 1px solid var(--hair); padding: 6px 12px; border-radius: var(--radius);
  }

  .hero-ctas { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
  .btn-primary {
    font-family: var(--mono); font-size: 13px; letter-spacing: 0.03em; font-weight: 600;
    background: var(--accent); color: #ffffff; padding: 13px 24px; border-radius: var(--radius);
    text-decoration: none; border: 1px solid var(--accent);
  }
  .btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }
  .btn-ghost {
    font-family: var(--mono); font-size: 13px; letter-spacing: 0.03em;
    color: var(--text); padding: 13px 22px; border-radius: var(--radius);
    text-decoration: none; border: 1px solid var(--hair);
  }
  .btn-ghost:hover { border-color: var(--text-dim); }

  .principle-row {
    margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--hair);
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 28px;
  }
  @media (max-width: 560px) { .principle-row { grid-template-columns: 1fr; } }
  .principle-row .num { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); letter-spacing: 0.05em; }
  .num-link { color: var(--ink-soft); text-decoration: none; }
  .num-link:hover { color: var(--accent); }
  .principle-row .lbl { font-size: 13.5px; color: var(--text-dim); margin-top: 6px; line-height: 1.45; }
  .juris-tabs { display: flex; gap: 4px; margin-top: 9px; }
  .juris-tab {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; background: none; cursor: pointer;
    border: 1px solid var(--hair); color: var(--text-dim); padding: 5px 9px; border-radius: var(--radius);
    transition: border-color .2s ease, color .2s ease, background .2s ease;
  }
  .juris-tab:hover { color: var(--text); border-color: var(--text-dim); }
  .juris-tab.active { color: var(--ink); background: var(--accent); border-color: var(--accent); }
  .juris-desc { margin-top: 9px; min-height: 2.6em; }

  /* ---------- climate showcase (right) ---------- */
  .hero-right {
    background:
      radial-gradient(ellipse 120% 90% at 100% 0%, color-mix(in srgb, var(--signal) 22%, transparent), transparent 60%),
      var(--climate-bg);
    padding: clamp(36px, 5vw, 52px) clamp(24px, 4vw, 48px);
    display: flex; flex-direction: column;
    position: relative; overflow: hidden;
    container-type: inline-size;
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--signal) 12%, transparent);
  }
  .hero-right::before {
    content: ""; position: absolute; inset: -25%; z-index: 0; pointer-events: none;
    background: radial-gradient(circle at 30% 25%, color-mix(in srgb, var(--signal) 26%, transparent), transparent 58%);
    animation: driftGlow 9s ease-in-out infinite alternate;
  }
  /* Light theme got a flat wash in the v1 mockup (W4) — give the panel the
     same depth here that dark mode gets for free, instead of relying on a
     mechanical colour-token swap. */
  :root:not([data-theme="dark"]) .hero-right {
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--signal) 18%, transparent), 0 1px 14px -6px color-mix(in srgb, var(--signal) 30%, transparent);
  }
  .hero-right > * { position: relative; z-index: 1; }
  @keyframes driftGlow {
    0% { transform: translate(-6%, -4%) scale(1); }
    100% { transform: translate(8%, 9%) scale(1.18); }
  }
  @keyframes borderBreathe {
    0%, 100% { border-color: var(--climate-hair); }
    50% { border-color: color-mix(in srgb, var(--signal) 32%, var(--climate-hair)); }
  }
  .pipeline { animation: borderBreathe 7s ease-in-out infinite; }
  @media (prefers-reduced-motion: reduce) {
    .hero-right::before { animation: none; }
    .pipeline { animation: none; }
  }
  .climate-brand {
    font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
    color: var(--text); margin-bottom: 2px;
  }
  .climate-brand span { color: var(--signal); }
  .climate-brand-sub {
    font-family: var(--mono); font-size: 10.5px; color: var(--text-dim); letter-spacing: 0.02em;
    margin-bottom: 16px;
  }
  .climate-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
  .climate-eyebrow {
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal);
  }
  .climate-flag {
    font-family: var(--mono); font-size: 10.5px; color: var(--text-dim); border: 1px solid var(--climate-hair);
    padding: 3px 9px; border-radius: var(--radius); display: inline-flex; align-items: center; gap: 6px;
  }
  .pulse-sm {
    width: 5px; height: 5px; border-radius: 50%; background: var(--signal); display: inline-block; flex: none;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 55%, transparent);
    animation: pulse 2.2s ease-out infinite;
  }
  @media (prefers-reduced-motion: reduce) { .pulse-sm { animation: none; } }
  .climate-title {
    font-family: var(--serif); font-weight: 600; font-size: clamp(22px, 2.3vw, 27px); line-height: 1.2;
    margin-top: 14px; color: var(--text); max-width: 22ch;
  }
  .climate-sub { margin-top: 10px; color: var(--text-dim); font-size: 14.5px; max-width: 40ch; line-height: 1.6; }

  /* pipeline diagram */
  .pipeline {
    margin-top: 30px; border: 1px solid var(--climate-hair); border-radius: var(--radius);
    background: color-mix(in srgb, var(--climate-panel) 92%, transparent);
    padding: 20px 18px 16px;
    max-width: 100%; box-sizing: border-box; overflow: hidden;
  }
  .pipeline-row {
    display: grid;
    grid-template-columns: minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);
    column-gap: 6px; align-items: stretch;
  }
  @container (max-width: 760px) {
    .pipeline-row { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 10px; column-gap: 10px; }
    .pipe-arrow { display: none; }
  }
  @container (max-width: 460px) {
    .pipeline-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @container (max-width: 280px) {
    .pipeline-row { grid-template-columns: minmax(0, 1fr); }
  }
  .stage {
    border: 1px solid var(--climate-hair); border-radius: var(--radius);
    padding: 12px 10px; text-align: left; background: color-mix(in srgb, var(--climate-bg) 60%, transparent);
    position: relative; min-width: 0;
  }
  .stage .k { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal); }
  .stage .v { font-family: var(--mono); font-size: 12px; color: var(--text); margin-top: 6px; line-height: 1.4; overflow-wrap: break-word; }
  .pipe-arrow {
    align-self: center; justify-self: center;
    display: flex; align-items: center; justify-content: center;
    width: 14px; height: 14px; line-height: 1;
    color: var(--ink-soft); font-family: var(--mono); font-size: 12px;
    animation: arrowFlow 2.4s ease-in-out infinite;
  }
  .arrow-1 { animation-delay: 0s; }
  .arrow-2 { animation-delay: .3s; }
  .arrow-3 { animation-delay: .6s; }
  @keyframes arrowFlow { 0%, 100% { opacity: .4; color: var(--ink-soft); } 50% { opacity: 1; color: var(--signal); } }
  @keyframes stageSweep {
    0%, 84%, 100% { border-color: var(--climate-hair); box-shadow: none; background: color-mix(in srgb, var(--climate-bg) 60%, transparent); }
    8% { border-color: var(--signal); box-shadow: 0 0 0 1px color-mix(in srgb, var(--signal) 45%, transparent); background: color-mix(in srgb, var(--signal) 8%, var(--climate-bg)); }
  }
  .stage { animation: stageSweep 5s linear infinite; }
  .stage-1 { animation-delay: 0s; }
  .stage-2 { animation-delay: .55s; }
  .stage-3 { animation-delay: 1.1s; }
  .stage-4 { animation-delay: 1.65s; }
  .stage-5 { animation-delay: 2.2s; }
  @media (prefers-reduced-motion: reduce) { .stage { animation: none; } }
  @media (prefers-reduced-motion: reduce) { .pipe-arrow { animation: none; } }
  @media (prefers-reduced-motion: reduce) { .stage::after { animation: none !important; } }
  .pulse { width: 5px; height: 5px; border-radius: 50%; background: var(--signal); display: inline-block; margin-left: 6px;
    vertical-align: 0.14em;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 55%, transparent);
    animation: pulse 2.2s ease-out infinite; }
  @media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 45%, transparent); }
    70% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--signal) 0%, transparent); }
    100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 0%, transparent); }
  }

  .metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--climate-hair); margin-top: 18px; border: 1px solid var(--climate-hair); border-radius: var(--radius); overflow: hidden; }
  .metric { background: var(--climate-panel); padding: 16px 14px; }
  .metric .n { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 21px; font-weight: 600; color: var(--text); }
  .metric .l { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--text-dim); margin-top: 5px; text-transform: uppercase; }

  .audit-feed { margin-top: 18px; border: 1px solid var(--climate-hair); border-radius: var(--radius); background: color-mix(in srgb, var(--climate-panel) 70%, transparent); padding: 12px 14px; }
  .audit-feed .af-head { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); display:flex; align-items:center; }
  .audit-row { display: flex; justify-content: space-between; gap: 10px; font-family: var(--mono); font-size: 11.5px; padding: 7px 0; border-top: 1px solid var(--climate-hair); color: var(--text-dim); }
  .audit-row span:first-child { color: var(--text); }
  .audit-row .ok { color: var(--accent); }

  .climate-role { margin-top: 26px; color: var(--text-dim); font-size: 14px; line-height: 1.7; max-width: 62ch; }
  .climate-cta { margin-top: auto; padding-top: 26px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
  .climate-cta a { font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em; color: var(--signal); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--signal) 40%, transparent); padding-bottom: 2px; }
  .climate-cta a:hover { border-color: var(--signal); }
  .climate-cta small { font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft); }

  /* ---------- proof section ---------- */
  .proof { padding: clamp(56px, 7vw, 96px) 0; border-bottom: 1px solid var(--hair); }
  .proof-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 40px; }
  .proof-head h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 600; max-width: 26ch; }
  .proof-head p { color: var(--text-dim); font-size: 14.5px; max-width: 38ch; margin-top: 10px; }

  .proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair); border: 1px solid var(--hair); }
  @media (max-width: 980px) { .proof-grid { grid-template-columns: 1fr; } }
  .proof-card {
    background: var(--paper); padding: 32px clamp(20px, 3vw, 36px); display: flex; flex-direction: column;
    transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease;
  }
  .proof-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 34px -20px color-mix(in srgb, var(--accent) 35%, transparent);
  }
  .proof-card:hover .pc-link { text-decoration: underline; }
  .cap-tag, .pc-tag { transition: border-color .25s ease, color .25s ease, transform .25s ease; }
  .cap-tag:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); }
  .stage { transition: border-color .3s ease, transform .3s ease; }
  .stage:hover { border-color: var(--signal); transform: translateY(-2px); }
  .btn-primary, .btn-ghost, .navcta { transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease; }
  .btn-primary:hover, .navcta:hover { transform: translateY(-1px); }

  /* W3 fix: visible by default (no-JS baseline). Only elements the script
     explicitly arms with .pending (because they were off-screen on load)
     ever go invisible; everything already in the viewport — the whole
     hero — stays visible the instant the page paints. */
  .reveal { opacity: 1; transform: none; }
  html.js-anim .reveal.pending {
    opacity: 0; transform: translateY(16px);
    transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
  }
  html.js-anim .reveal.pending.in-view { opacity: 1; transform: translateY(0); }
  @media (prefers-reduced-motion: reduce) {
    .reveal, html.js-anim .reveal.pending { opacity: 1; transform: none; transition: none; }
    .proof-card, .cap-tag, .stage, .btn-primary, .btn-ghost, .navcta { transition: none; }
    .proof-card:hover, .cap-tag:hover, .stage:hover { transform: none; }
  }
  .proof-card .pc-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); display: flex; align-items: center; gap: 10px; }
  .pc-field {
    font-family: var(--mono); font-weight: 600; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
    border: 1px solid var(--hair); padding: 2px 8px; border-radius: var(--radius); color: var(--accent);
  }
  .pc-field-climate { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 40%, var(--hair)); }
  .proof-card h3 { font-size: 20px; font-weight: 600; margin-top: 14px; }
  .proof-card p.desc { color: var(--text-dim); font-size: 14.5px; margin-top: 10px; line-height: 1.6; max-width: 44ch; }

  /* ---------- shared proof-demo grammar (W6) ----------
     Deliberately reuses the pipeline diagram's visual system (mono
     uppercase labels, hairline border, row-based k/v layout) so all three
     proof cards read as one family of "here is how TrustVal proves this"
     widgets instead of three unrelated improvisations. */
  .proof-demo {
    margin-top: 16px; border: 1px solid var(--hair); border-radius: var(--radius);
    background: var(--ink); padding: 12px 14px; max-width: 320px;
  }
  .pd-head { font-family: var(--mono); font-weight: 500; font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal); margin-bottom: 8px; }
  .pd-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 5px 0; font-family: var(--mono); font-size: 12px; border-top: 1px dashed var(--hair); }
  .pd-row:first-of-type { border-top: none; }
  .pd-label { color: var(--ink-soft); flex: none; }
  .pd-val { color: var(--text); text-align: right; }
  .mask-val { transition: opacity .35s ease; }
  .mask-val.fading { opacity: 0; }
  .pulse-cash { background: var(--accent); }

  .flight-demo {
    /* inherits border/background/padding from .proof-demo above */
  }
  .flight-step {
    display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 11.5px;
    color: var(--text-dim); padding: 5px 0; position: relative;
    animation: flightStepGlow 4.8s ease-in-out infinite;
  }
  .flight-step:not(:last-child) { border-bottom: 1px dashed var(--hair); }
  .os-1 { animation-delay: 0s; }
  .os-2 { animation-delay: 1.2s; }
  .os-3 { animation-delay: 2.4s; }
  .os-4 { animation-delay: 3.6s; }
  @keyframes flightStepGlow { 0%, 20%, 100% { color: var(--text-dim); } 8% { color: var(--text); } }
  .flight-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink-soft); flex: none; transition: background .3s ease; }
  .flight-step.flight-depart { color: var(--text); font-weight: 600; }
  .flight-plane {
    display: inline-block; flex: none; font-size: 13px;
    animation: planeDepart 4.8s ease-in-out infinite; animation-delay: 3.6s;
  }
  @keyframes planeDepart { 0%, 78%, 100% { transform: translateX(0); opacity: 1; } 92% { transform: translateX(10px); opacity: 0.3; } 93% { transform: translateX(-4px); opacity: 0; } 96% { transform: translateX(0); opacity: 1; } }
  @media (prefers-reduced-motion: reduce) {
    .flight-step, .flight-plane { animation: none; }
  }
  .proof-card .pc-link { display: inline-block; margin-top: auto; padding-top: 18px; font-family: var(--mono); font-size: 12.5px; color: var(--accent); text-decoration: none; align-self: flex-start; }
  .proof-card .pc-link:hover { text-decoration: underline; }

  /* ---------- CTA band ---------- */
  .ctaband { padding: clamp(56px, 7vw, 88px) 0; text-align: left; }
  .ctaband .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
  .ctaband h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 600; max-width: 20ch; }

  footer { border-top: 1px solid var(--hair); padding: 30px 0 0; }
  footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
  footer .fbrand { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
  footer nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--text); }
  footer .fsep { color: var(--hair); }
  .footer-row { padding-bottom: 14px; }
  .legal-tab {
    background: none; border: none; padding: 0; margin: 0; cursor: pointer;
    font-family: var(--mono); font-size: 12px; color: var(--ink-soft);
  }
  .legal-tab:hover { color: var(--text); }
  .legal-tab.active { color: var(--signal); }
  .legal-panel {
    border-top: 1px solid var(--hair); margin-top: 14px; padding: 18px 0 28px;
    max-width: 68ch; color: var(--text-dim); font-size: 13px; line-height: 1.7;
  }
  .legal-panel h4 { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--signal); margin: 16px 0 6px; }
  .legal-panel h4:first-child { margin-top: 0; }
  .legal-panel p { margin: 0 0 10px; }
  .legal-panel strong { color: var(--text); }
