/* ==========================================================================
   NOTCOM / 00Z.CO — The Exposure File
   Tokens, then instrument, then paper. One page, two materials.
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrainsmono-var-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --ground: #060d10;
  --ground-2: #081417;
  --surface: #12181f;
  --surface-2: #0d1419;
  --surface-3: #161e26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --teal: #00d2b8;
  --teal-bright: #2ee9cf;
  --teal-dim: #0b7a6d;
  --teal-ink: #075e55;
  --alert: #ff6b4a;
  --alert-ink: #a8351c;
  --caution: #ffc857;
  --bone: #e9efed;
  --bone-2: #dfe6e3;
  --paper: #f3f6f3;
  --ink: #101619;
  --ink-2: #2c3634;
  --ink-soft: #4c5856;
  --white: #ffffff;
  --muted: #94a3b8;
  --muted-2: #9aa9bd;
  --paper-muted: #55605d;

  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t: all 0.25s var(--ease);
  --t-slow: all 0.6s var(--ease);

  --wrap: 1360px;
  --pad: clamp(20px, 4.2vw, 56px);
  --gutter: clamp(16px, 2vw, 28px);
  --sec-y: clamp(72px, 9vw, 132px);
  --r: 16px;

  --shadow-instrument: 0 36px 70px -40px rgba(0, 0, 0, 0.95), 0 2px 0 rgba(255, 255, 255, 0.03) inset;
  --shadow-paper: 0 24px 48px -34px rgba(16, 22, 25, 0.55), 0 1px 0 rgba(255, 255, 255, 0.7) inset;

  /* Ground lighting. A low teal wash, the same gesture as the hero, so the
     dark bands read as lit surfaces rather than flat black slabs. Two variants
     alternate the lit corner so stacked bands do not repeat the same glow. */
  --wash-a:
    radial-gradient(76% 84% at 88% -8%, rgba(0, 210, 184, 0.075), transparent 66%),
    radial-gradient(54% 62% at 2% 104%, rgba(0, 210, 184, 0.035), transparent 70%);
  --wash-b:
    radial-gradient(72% 86% at 6% -10%, rgba(0, 210, 184, 0.06), transparent 68%),
    radial-gradient(48% 58% at 96% 106%, rgba(0, 210, 184, 0.03), transparent 72%);
  --wash-foot:
    radial-gradient(72% 150% at 50% -12%, rgba(0, 210, 184, 0.055), transparent 72%);
}

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

[hidden] { display: none !important; }

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 50% at 85% -10%, rgba(0, 210, 184, 0.07), transparent 70%),
    radial-gradient(48% 40% at 0% 100%, rgba(0, 210, 184, 0.04), transparent 70%);
}

main, .footer, .nav, .util { position: relative; z-index: 1; }

img { max-width: 100%; height: auto; display: block; }
svg { display: block; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

::selection { background: var(--teal); color: #04120f; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: #050c0e; }
::-webkit-scrollbar-thumb {
  background: #1b262c;
  border: 2px solid #050c0e;
  border-radius: 20px;
}
::-webkit-scrollbar-thumb:hover { background: var(--teal-dim); }
html { scrollbar-color: #1b262c #050c0e; scrollbar-width: thin; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}
.paper :focus-visible, .test :focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: 200;
  transform: translateY(-160%);
  background: var(--teal);
  color: #04120f;
  font-weight: 600;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 8px;
  transition: var(--t);
}
.skip-link:focus { transform: translateY(0); }

.mono { font-family: var(--mono); }

/* ---------- shared type ---------- */

h1, h2, h3, h4 {
  color: var(--white);
  font-weight: 620;
  letter-spacing: -0.028em;
  line-height: 1.02;
  font-variation-settings: "wdth" 108;
}

h2 { font-size: clamp(30px, 3.7vw, 52px); text-wrap: balance; }
h3 { line-height: 1.12; letter-spacing: -0.02em; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad);
  position: relative;
}

.section { padding-block: var(--sec-y); }

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-bottom: clamp(32px, 4vw, 52px);
}
.sec-head h2 { max-width: 26ch; }
.sec-meta {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  white-space: nowrap;
  padding-bottom: 8px;
  line-height: 1.5;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1;
  border: 1px solid transparent;
  transition: var(--t);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--teal);
  color: #04120f;
  box-shadow: 0 8px 20px -14px rgba(0, 0, 0, 0.9), 0 1px 0 rgba(255, 255, 255, 0.3) inset;
}
.btn-primary:hover {
  background: var(--teal-bright);
  box-shadow: 0 12px 24px -14px rgba(0, 0, 0, 0.95), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
  transform: translateY(-1px);
}
.btn-primary:disabled {
  background: #1c2a2e;
  color: var(--muted-2);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--white);
}
.btn-ghost:hover {
  border-color: rgba(0, 210, 184, 0.6);
  color: var(--teal);
  background: rgba(0, 210, 184, 0.04);
}

.btn-quiet {
  color: var(--muted);
  padding-inline: 4px;
  height: auto;
  min-height: 40px;
}
.btn-quiet:hover { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }

.btn-ink {
  background: var(--ink);
  color: var(--bone);
  box-shadow: 0 8px 20px -12px rgba(16, 22, 25, 0.8);
}
.btn-ink:hover { background: #1d2729; transform: translateY(-1px); }

.btn-outline-ink {
  border-color: rgba(16, 22, 25, 0.28);
  color: var(--ink);
}
.btn-outline-ink:hover { border-color: var(--ink); background: rgba(16, 22, 25, 0.05); }

.btn-sm { height: 40px; padding: 0 16px; font-size: 12.5px; }

.link-btn {
  color: inherit;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
  opacity: 0.72;
  transition: var(--t);
}
.link-btn:hover { opacity: 1; }

/* ---------- utility bar ---------- */

.util {
  background: #040b0d;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.13em;
  color: var(--muted-2);
}
.util-in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.util-cell { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.util-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--teal);
  display: inline-block;
}

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 13, 16, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}
/* The supplied lockup is used unmodified. */
.brand-logo {
  display: block;
  width: auto;
  height: 46px;
  opacity: 0.96;
  transition: var(--t);
}
.brand:hover .brand-logo { opacity: 1; }
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  margin-left: auto;
  font-size: 13px;
  font-weight: 500;
  color: rgba(226, 235, 235, 0.72);
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: var(--t);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 12px; right: 12px;
  height: 1px;
  background: var(--white);
  transition: var(--t);
}
.nav-toggle span:first-child { top: 17px; }
.nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  padding-top: clamp(36px, 5vw, 68px);
  padding-bottom: clamp(48px, 6vw, 88px);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: -10% -20% 0;
  pointer-events: none;
  background:
    radial-gradient(42% 50% at 76% 34%, rgba(0, 210, 184, 0.1), transparent 72%),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: auto, 100% 64px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.6) 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.6) 55%, transparent 100%);
}
.hero-grid {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  align-items: start;
}
.hero-rail {
  grid-column: 1 / span 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding-top: 16px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  writing-mode: vertical-rl;
  align-self: stretch;
  max-height: 460px;
}
.hero-rail .rail-num { color: var(--teal-bright); }

.hero-copy {
  grid-column: 2 / span 6;
  padding-top: 4px;
  padding-right: clamp(0px, 2vw, 36px);
}
h1 {
  font-size: clamp(40px, 4.6vw, 62px);
  font-weight: 640;
  font-variation-settings: "wdth" 110;
  letter-spacing: -0.038em;
  line-height: 0.98;
  color: var(--white);
  max-width: 16ch;
  text-wrap: balance;
}
.hero-sub {
  margin-top: clamp(20px, 2.4vw, 30px);
  max-width: 47ch;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.58;
  color: #a9b8c2;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}
.hero-foot {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--muted-2);
  max-width: 44ch;
}

/* specimen mount */
.specimen {
  grid-column: 8 / span 5;
  position: relative;
  padding-top: 4px;
}
.specimen-frame {
  position: relative;
  outline: 1px solid rgba(0, 210, 184, 0.16);
  outline-offset: 14px;
}
.specimen-frame::before,
.specimen-frame::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-color: rgba(0, 210, 184, 0.55);
  border-style: solid;
  z-index: 2;
}
.specimen-frame::before { top: -15px; left: -15px; border-width: 1px 0 0 1px; }
.specimen-frame::after { bottom: -15px; right: -15px; border-width: 0 1px 1px 0; }

.instrument {
  background: linear-gradient(180deg, #141b22 0%, #0d1419 62%, #0b1116 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r);
  box-shadow: var(--shadow-instrument);
  overflow: hidden;
  position: relative;
}
.instrument::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset;
}
.inst-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}
.inst-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #d5e2e2;
}
.live-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 210, 184, 0.16);
}
.inst-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
}

.mail { padding: 14px 14px 0; }
.mail-meta { display: grid; gap: 4px; margin-bottom: 12px; }
.mail-meta > div {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 8px;
  align-items: baseline;
}
.mail-meta dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.mail-meta dd {
  font-size: 12px;
  color: #b9c7cc;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mail-body {
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  padding: 12px 0;
  font-size: 12.5px;
  line-height: 1.62;
  color: #a8b6bb;
}
.mail-body p + p { margin-top: 8px; }

.redact {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #060a0c;
  position: relative;
  overflow: hidden;
  transition: var(--t);
  text-align: left;
  margin-bottom: 14px;
}
.redact-bar {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Cpath d='M-1 5L5 -1M1 7L7 1' stroke='%23ffffff' stroke-opacity='0.16' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 6px 6px;
  background-repeat: repeat;
  opacity: 0.5;
  transition: var(--t);
}
.redact-label {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #cbd7d7;
}
.redact-action {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.redact:hover { border-color: rgba(0, 210, 184, 0.55); }
.redact:hover .redact-bar { opacity: 0.9; }
.redact[aria-expanded="true"] {
  border-color: rgba(255, 107, 74, 0.4);
  background: rgba(255, 107, 74, 0.08);
}
.redact[aria-expanded="true"] .redact-bar { opacity: 0.15; }

.hidden-line {
  border: 1px solid rgba(255, 107, 74, 0.4);
  background: rgba(255, 107, 74, 0.07);
  border-radius: 8px;
  padding: 11px 12px;
  margin-bottom: 14px;
  animation: reveal-line 0.4s var(--ease) both;
}
@keyframes reveal-line {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
.hidden-quote {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: #ffd8ce;
}
.hidden-note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 173, 153, 0.75);
}

.inst-chain {
  border-top: 1px solid var(--line);
  padding: 11px 14px 2px;
  background: rgba(0, 0, 0, 0.18);
}
.chain-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  margin-bottom: 9px;
}
.chain-scope { color: var(--teal); letter-spacing: 0.04em; }
.chain-log {
  min-height: 88px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 8px;
}
.chain-empty {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-2);
  padding: 4px 0 8px;
  max-width: 34ch;
}
.chain-row {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: #b3c2c6;
  animation: chain-in 0.32s var(--ease) both;
}
@keyframes chain-in {
  from { opacity: 0; transform: translateX(-4px); }
  to { opacity: 1; transform: none; }
}
.chain-mark {
  width: 12px; height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 3px;
  position: relative;
  flex: 0 0 12px;
  align-self: center;
  transition: var(--t);
}
.chain-mark::after {
  content: "";
  position: absolute;
  left: 3.5px; top: 1.5px;
  width: 3px; height: 6px;
  border: solid currentColor;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(42deg);
  opacity: 0;
  transition: var(--t);
}
.chain-row.is-done .chain-mark {
  border-color: var(--teal);
  background: rgba(0, 210, 184, 0.16);
  color: var(--teal);
}
.chain-row.is-done .chain-mark::after { opacity: 1; }
.chain-row.is-active .chain-mark {
  border-color: var(--teal);
  background: var(--teal);
  color: #04120f;
  animation: mark-pulse 1s var(--ease) infinite;
}
.chain-row.is-fail .chain-mark {
  border-color: var(--alert);
  background: rgba(255, 107, 74, 0.18);
  color: var(--alert);
}
.chain-row.is-fail .chain-mark::after {
  left: 2px; top: 5px;
  width: 8px; height: 0;
  border-width: 0 0 1.5px 0;
  border-color: var(--alert);
  transform: rotate(0);
  opacity: 1;
}
.chain-row.is-fail .chain-mark::before {
  content: "";
  position: absolute;
  left: 2px; top: 5px;
  width: 8px; height: 0;
  border-bottom: 1.5px solid var(--alert);
  transform: rotate(90deg);
}
@keyframes mark-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 210, 184, 0.4); }
  50% { box-shadow: 0 0 0 3px rgba(0, 210, 184, 0); }
}
.chain-row.is-active .chain-text { color: var(--white); }
.chain-row.is-fail .chain-text { color: #ffc3b6; }
.chain-note {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.chain-row.is-fail .chain-note { color: rgba(255, 107, 74, 0.85); }

.inst-outcome {
  border-top: 1px solid var(--line);
  padding: 12px 14px 14px;
  background: rgba(0, 0, 0, 0.22);
  animation: reveal-line 0.45s var(--ease) both;
}
.outcome-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}
.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 2px solid currentColor;
  transform: rotate(-2.5deg);
  line-height: 1.2;
}
.stamp-alert { color: var(--alert); }
.stamp-teal { color: var(--teal); }
.stamp-ink { color: var(--ink); }
.outcome-line { font-size: 12px; line-height: 1.55; color: #b9c7cc; }
.outcome-line strong { color: var(--white); font-weight: 600; }
.outcome-meta {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  line-height: 1.6;
}

.inst-controls {
  display: flex;
  gap: 8px;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.inst-controls .btn { flex: 1 1 auto; min-width: 0; }

.specimen-cap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.specimen-cap span:first-child { color: var(--teal); flex: 0 0 auto; }
.specimen-cap span:nth-child(2) { flex: 1 1 auto; }
.cap-right { color: var(--muted-2); flex: 0 0 auto; }

/* scanline used while the chain runs */
.instrument.is-running::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 210, 184, 0.85), transparent);
  animation: scan 1.5s linear infinite;
  pointer-events: none;
  z-index: 3;
}
@keyframes scan {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(420px); opacity: 0; }
}

/* ==========================================================================
   DOORS — register
   ========================================================================== */

.doors {
  background-color: var(--ground-2);
  background-image: var(--wash-a);
  border-top: 1px solid var(--line);
}
.doors-intro {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
}
.doors-intro p:first-child {
  max-width: 62ch;
  font-size: 17px;
  color: #a9b8c2;
}
.doors-hint {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.01em;
  line-height: 1.8;
  color: var(--muted-2);
  max-width: 24ch;
  text-align: right;
  flex: 0 0 auto;
}

.doors-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  height: 32px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-2);
  transition: var(--t);
  font-family: var(--mono);
  letter-spacing: 0.03em;
}
.chip:hover { border-color: var(--line-strong); color: var(--white); }
.chip.is-on {
  background: rgba(0, 210, 184, 0.1);
  border-color: rgba(0, 210, 184, 0.4);
  color: var(--teal);
}
.doors-count {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
}

.register {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}
.reg-head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 72px 42px;
  gap: 8px;
  padding: 0 10px 8px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.reg-head span:last-child { text-align: center; }
.reg-list { border-bottom: 1px solid var(--line); }
.reg-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 72px 42px;
  gap: 8px;
  align-items: center;
  padding: 0 10px;
  border-top: 1px solid var(--line);
  transition: background 0.18s var(--ease);
}
.reg-item:first-child { border-top: 0; }
.reg-item:hover { background: rgba(255, 255, 255, 0.035); }
.reg-item.is-current { background: rgba(0, 210, 184, 0.07); }
.reg-row {
  grid-column: 1 / span 3;
  width: 100%;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 72px;
  gap: 8px;
  align-items: center;
  padding: 12px 0;
  text-align: left;
  color: #c3d0d4;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.reg-row:focus-visible { outline: 2px solid var(--teal); outline-offset: -2px; }
.reg-row .rn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}
.reg-row .rname { font-size: 15px; font-weight: 500; letter-spacing: -0.01em; }
.reg-row .rowner {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.reg-item.is-current .rname { color: var(--white); }
.reg-item.is-current .rn,
.reg-item.is-checked .rn { color: var(--teal); }
.rcheck-hit {
  position: relative;
  justify-self: center;
  display: inline-flex;
  padding: 9px;
  margin: -9px;
  cursor: pointer;
}
.rcheck {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}
.rcheck-box {
  position: relative;
  display: block;
  width: 17px;
  height: 17px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease),
    box-shadow 0.28s var(--ease), transform 0.14s var(--ease);
}
.rcheck-box::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #041014;
  border-width: 0 2px 2px 0;
  transform: rotate(42deg) scale(0.4);
  opacity: 0;
  transition: transform 0.2s cubic-bezier(0.2, 0.9, 0.3, 1.35), opacity 0.12s linear;
}
.rcheck-box::after {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid var(--teal);
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
}
.reg-item:hover .rcheck-box { border-color: rgba(0, 210, 184, 0.45); }
.rcheck-hit:hover .rcheck-box {
  border-color: rgba(0, 210, 184, 0.6);
  box-shadow: 0 0 0 3px rgba(0, 210, 184, 0.08), 0 0 10px rgba(0, 210, 184, 0.18);
}
.rcheck-hit:active .rcheck-box { transform: scale(0.92); }
.rcheck:focus-visible + .rcheck-box {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
.rcheck:checked + .rcheck-box {
  background-color: var(--teal);
  border-color: var(--teal);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 0 0 1px rgba(0, 210, 184, 0.4),
    0 0 12px rgba(0, 210, 184, 0.55),
    0 0 26px rgba(0, 210, 184, 0.22);
}
.rcheck:checked + .rcheck-box::before {
  transform: rotate(42deg) scale(1);
  opacity: 1;
}
.rcheck-hit.is-pinged .rcheck-box::after { animation: reg-tick 0.5s var(--ease) both; }
@keyframes reg-tick {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 0; transform: scale(2.2); }
}
.reg-item.is-hidden { display: none; }

.door-file {
  position: sticky;
  top: 96px;
  background: linear-gradient(180deg, #12181f, #0e151a);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(22px, 2.4vw, 30px);
  box-shadow: 0 24px 50px -40px #000;
  min-height: 430px;
}
.door-file-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.door-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal);
}
.door-owner {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 8px;
}
.door-file h3 { font-size: clamp(24px, 2.2vw, 30px); margin-bottom: 10px; }
.door-lead {
  font-size: 14.5px;
  line-height: 1.55;
  color: #a9b8c2;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.door-grid { display: grid; gap: 14px; }
.door-grid dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 3px;
}
.door-grid dd { font-size: 13px; line-height: 1.55; color: #b9c7cc; }
.door-ask {
  margin-top: 18px;
  border-left: 2px solid var(--teal);
  padding: 2px 0 2px 14px;
}
.door-ask-label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 5px;
}
.door-ask p { font-size: 13.5px; line-height: 1.5; color: #dbe7e7; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 16px; }
.tags li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  border: 1px solid var(--line);
  padding: 3px 7px;
  border-radius: 4px;
}
.door-hint {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.01em;
  color: var(--muted-2);
}

/* ==========================================================================
   PAPER WORLD
   ========================================================================== */

.test,
.standards {
  background-color: var(--bone);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  background-blend-mode: multiply;
  color: var(--ink-2);
  position: relative;
}
.test { border-top: 1px solid rgba(16, 22, 25, 0.15); }
.test::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(70% 60% at 80% 0%, rgba(255, 255, 255, 0.5), transparent 70%);
}
.test > .wrap, .standards > .wrap { position: relative; }

.test .sec-head,
.standards .sec-head { border-top-color: rgba(16, 22, 25, 0.2); }
.test .sec-head h2,
.standards .sec-head h2 { color: var(--ink); }
.test .sec-meta,
.standards .sec-meta { color: var(--paper-muted); }

.paper {
  position: relative;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23p)' opacity='.22'/%3E%3C/svg%3E");
  background-blend-mode: multiply;
  color: var(--ink);
  border: 1px solid rgba(16, 22, 25, 0.14);
  border-radius: 3px;
  box-shadow: var(--shadow-paper);
  padding: clamp(24px, 3.4vw, 40px);
}
.paper::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 26px; height: 26px;
  background: linear-gradient(225deg, var(--bone) 0 49%, rgba(16, 22, 25, 0.14) 50%, rgba(16, 22, 25, 0.04) 100%);
  border-bottom-left-radius: 2px;
  pointer-events: none;
}
.paper-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(16, 22, 25, 0.16);
  margin-bottom: 18px;
}
.paper-id { color: var(--teal-ink); font-weight: 600; }
.paper-kind { color: var(--paper-muted); text-align: right; }

/* ==========================================================================
   FIELD TEST
   ========================================================================== */

.test-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.test-copy { padding-top: 4px; }
.test-lede { font-size: 18px; line-height: 1.6; color: var(--ink); max-width: 40ch; }
.test-rule {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(16, 22, 25, 0.14);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--paper-muted);
  max-width: 38ch;
}
.test-score { margin-top: 28px; }
.test-score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(16, 22, 25, 0.2);
  padding-bottom: 8px;
}
.test-score-row .mono { font-size: 12px; letter-spacing: 0.16em; color: var(--ink-soft); }
.test-score-num { font-family: var(--mono); font-size: 20px; font-weight: 600; color: var(--ink); }
.meter {
  height: 4px;
  background: rgba(16, 22, 25, 0.12);
  margin-top: 10px;
  display: flex;
  gap: 4px;
}
.meter span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--teal-ink);
  transition: width 0.35s var(--ease);
}
.meter.is-three { background: none; gap: 4px; }
.meter.is-three span {
  flex: 1;
  height: 4px;
  background: rgba(16, 22, 25, 0.12);
}
.meter.is-three span.is-on { background: var(--teal-ink); }

.test-result-list { margin-top: 22px; display: grid; gap: 8px; }
.test-result-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  border-bottom: 1px dotted rgba(16, 22, 25, 0.18);
  padding-bottom: 7px;
}
.test-result-list .trl-mark {
  font-family: var(--mono);
  font-size: 12px;
  width: 14px;
  flex: 0 0 14px;
  color: rgba(16, 22, 25, 0.3);
}
.test-result-list li.is-done { color: var(--ink); }
.test-result-list li.is-done .trl-mark { color: var(--teal-ink); }
.test-result-list li.is-missed .trl-mark { color: var(--alert-ink); }

.test-stage { min-width: 0; }
.exhibit-tabs { display: flex; gap: 4px; padding-left: 4px; }
.exhibit-tab {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  background: rgba(16, 22, 25, 0.06);
  border: 1px solid transparent;
  border-radius: 6px 6px 0 0;
  transition: var(--t);
  position: relative;
  top: 1px;
}
.exhibit-tab span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--paper-muted);
}
.exhibit-tab:hover { background: rgba(16, 22, 25, 0.09); }
.exhibit-tab.is-on {
  background: var(--paper);
  border-color: rgba(16, 22, 25, 0.14);
  border-bottom-color: var(--paper);
  color: var(--ink);
}
.exhibit-tab.is-on span { color: var(--teal-ink); }

.exhibit { border-top-left-radius: 0; padding-top: clamp(20px, 2.6vw, 28px); }
.exhibit-title {
  font-size: clamp(21px, 2.1vw, 27px);
  letter-spacing: -0.022em;
  color: var(--ink);
  margin-bottom: 8px;
}
.exhibit-context {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 56ch;
  margin-bottom: 20px;
}
.exhibit-lines { border-top: 1px solid rgba(16, 22, 25, 0.16); }
.line-btn {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  width: 100%;
  text-align: left;
  padding: 11px 10px 11px 13px;
  border-bottom: 1px solid rgba(16, 22, 25, 0.1);
  border-left: 1px solid transparent;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-2);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.line-btn:hover { background: rgba(16, 22, 25, 0.04); }
.line-btn .hint {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: transparent;
  white-space: nowrap;
  transition: var(--t);
}
.line-btn:hover .hint { color: var(--paper-muted); }
.line-btn.is-wrong {
  background: rgba(255, 107, 74, 0.09);
  border-left-color: var(--alert);
}
.line-btn.is-wrong .hint { color: var(--alert-ink); }
.line-btn.is-right {
  background: rgba(0, 150, 130, 0.11);
  border-left-color: var(--teal-ink);
  color: var(--ink);
}
.line-btn.is-right .hint { color: var(--teal-ink); }
.line-btn.is-locked { cursor: default; }
.line-btn.is-reveal {
  background: rgba(0, 150, 130, 0.08);
  border-left-color: var(--teal-ink);
}
.line-btn.is-reveal .hint { color: var(--teal-ink); }

.exhibit-feedback {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(16, 22, 25, 0.2);
  animation: reveal-line 0.35s var(--ease) both;
}
.fb-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-ink);
  display: block;
  margin-bottom: 7px;
}
.exhibit-feedback.is-wrong .fb-label { color: var(--alert-ink); }
.fb-text { font-size: 14px; line-height: 1.6; color: var(--ink-2); max-width: 58ch; }
.fb-control {
  margin-top: 12px;
  border-left: 1px solid rgba(16, 22, 25, 0.25);
  padding-left: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}
.fb-control b {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  display: block;
  margin-bottom: 3px;
}
.fb-next {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.test-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(16, 22, 25, 0.14);
}
.test-nav-count { font-size: 12px; letter-spacing: 0.14em; color: var(--ink-soft); }
.test-nav .btn-quiet { color: var(--ink-soft); }
.test-nav .btn-quiet:hover { color: var(--ink); }
.test-nav .btn-quiet:disabled { opacity: 0.35; cursor: default; text-decoration: none; }

.result { text-align: left; }
.result-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--teal-ink);
  border: 2px solid var(--teal-ink);
  padding: 6px 12px;
  transform: rotate(-2deg);
  margin: 6px 0 20px;
}
.result-stamp.is-poor { color: var(--alert-ink); border-color: var(--alert-ink); }
.result-line { font-size: clamp(19px, 2vw, 24px); line-height: 1.35; color: var(--ink); letter-spacing: -0.015em; max-width: 30ch; }
.result-detail { margin-top: 12px; font-size: 14px; line-height: 1.6; color: var(--ink-soft); max-width: 56ch; }
.result-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 24px; }

/* ==========================================================================
   EXPOSURE CHECK
   ========================================================================== */

.check {
  background-color: var(--ground);
  background-image: var(--wash-a);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.check > .wrap { position: relative; }

.check-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.check-side { padding-top: 4px; }
.check-lede { font-size: 16px; line-height: 1.65; color: #a9b8c2; max-width: 38ch; }
.check-progress { margin-top: 30px; }
.check-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
  margin-bottom: 9px;
}
.segments { display: flex; gap: 4px; }
.segments i {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  transition: background 0.3s var(--ease);
}
.segments i.is-done { background: var(--teal); }
.segments i.is-now { background: rgba(0, 210, 184, 0.45); }
.check-note {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--muted-2);
  max-width: 32ch;
}
.check-scale {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin-top: 34px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.check-form {
  background: linear-gradient(180deg, #12181f, #0c1318);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow-instrument);
  min-height: 480px;
  display: flex;
  flex-direction: column;
}
.q { animation: q-in 0.32s var(--ease) both; }
@keyframes q-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.q-count {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(0, 210, 184, 0.8);
  margin-bottom: 14px;
}
.q-title {
  font-size: clamp(23px, 2.5vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  max-width: 24ch;
  margin-bottom: 26px;
}
.q-title:focus { outline: none; }
.q-options { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.q-opt { position: relative; display: block; }
.q-opt input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}
.q-opt span {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 14px;
  line-height: 1.5;
  color: #b9c7cc;
  cursor: pointer;
  transition: var(--t);
}
.q-opt span::before {
  content: "";
  width: 15px; height: 15px;
  margin-top: 2px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  transition: var(--t);
  box-shadow: inset 0 0 0 3px transparent;
}
.q-opt span:hover { border-color: rgba(0, 210, 184, 0.35); background: rgba(0, 210, 184, 0.03); }
.q-opt input:checked + span {
  border-color: rgba(0, 210, 184, 0.65);
  background: rgba(0, 210, 184, 0.08);
  color: var(--white);
}
.q-opt input:checked + span::before {
  border-color: var(--teal);
  background: var(--teal);
  box-shadow: inset 0 0 0 3px #102024;
}
.q-opt input:focus-visible + span { outline: 2px solid var(--teal); outline-offset: 3px; }

.q-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 28px;
}
.q-actions .btn-quiet { color: var(--muted-2); }
.q-actions .btn-quiet:disabled { opacity: 0; pointer-events: none; }
.q-actions .btn-primary { min-width: 172px; }

.check-result { animation: q-in 0.4s var(--ease) both; }
.result-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.result-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  margin-bottom: 6px;
}
.band {
  font-size: clamp(32px, 3.6vw, 46px);
  font-weight: 640;
  font-variation-settings: "wdth" 108;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--white);
}
.score-dial { text-align: right; flex: 0 0 auto; }
.score-num {
  font-family: var(--mono);
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 600;
  color: var(--teal);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.score-den {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
  display: block;
  margin-top: 4px;
}
.band-meter {
  position: relative;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, rgba(255, 107, 74, 0.55), rgba(255, 200, 87, 0.5) 34%, rgba(0, 210, 184, 0.5) 68%, var(--teal));
  border-radius: 3px;
  overflow: visible;
}
.band-meter i {
  position: absolute;
  right: 0; top: -3px; bottom: -3px;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}
.band-meter span {
  position: absolute;
  top: -4px;
  left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid #0b1116;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
  transition: left 0.7s var(--ease);
  z-index: 1;
}
.band-meter::before,
.band-meter::after {
  content: "";
  position: absolute;
  top: -3px; bottom: -3px;
  width: 1px;
  background: rgba(6, 13, 16, 0.85);
}
.band-meter::before { left: 33.3%; }
.band-meter::after { left: 66.6%; }
.result-read {
  margin-top: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: #a9b8c2;
  max-width: 60ch;
}
.gaps { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 20px; }
.gaps-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.gaps-head h4 { font-size: 15px; letter-spacing: -0.01em; }
.gaps-head .mono { font-size: 12px; letter-spacing: 0.12em; color: var(--muted-2); }
.gap-list { display: grid; gap: 10px; counter-reset: gap; }
.gap {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.015);
}
.gap-n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--teal);
  padding-top: 2px;
}
.gap-q { font-size: 13.5px; line-height: 1.45; color: var(--white); font-weight: 500; }
.gap-ask { font-size: 12.5px; line-height: 1.5; color: #9fb0b8; margin-top: 4px; }
.gap-tag {
  display: inline-block;
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
}
.check-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 26px;
}

/* ==========================================================================
   MEMO
   ========================================================================== */

.memo-sec {
  background-color: var(--ground-2);
  background-image: var(--wash-b);
  border-top: 1px solid var(--line);
}
.memo-tools {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.field-inline { display: flex; flex-direction: column; gap: 6px; }
.field-inline span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.field-inline input {
  width: min(340px, 70vw);
  height: 42px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--white);
  font-family: var(--sans);
  font-size: 14px;
  transition: var(--t);
}
.field-inline input::placeholder { color: var(--muted-2); }
.field-inline input:hover { border-color: rgba(255, 255, 255, 0.26); }
.field-inline input:focus { outline: 2px solid var(--teal); outline-offset: 2px; border-color: transparent; }
.memo-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.memo-buttons .btn-ink { background: var(--bone); color: var(--ink); }
.memo-buttons .btn-ink:hover { background: #fff; }
.memo-buttons .btn-outline-ink { color: var(--bone); border-color: rgba(255, 255, 255, 0.24); }
.memo-buttons .btn-outline-ink:hover { border-color: var(--teal); color: var(--teal); background: transparent; }

.memo-mail {
  margin: -10px 0 22px;
  padding: 16px 18px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}
.memo-mail[hidden] { display: none; }
.memo-mail-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 12px; }
.memo-mail-field { flex: 1 1 320px; }
.memo-mail-field input { width: 100%; }
.memo-mail-note {
  flex: 1 1 100%;
  margin: 2px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--muted-2);
}
.memo-mail .form-error { margin: 10px 0 0; }

.memo-sheet {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(26px, 4vw, 56px);
  background-color: var(--paper);
}
.memo-mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}
.memo-brand { display: flex; align-items: center; }
.memo-brand img { display: block; width: auto; height: 54px; }
.memo-class {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--alert-ink);
  border: 1px solid var(--alert-ink);
  padding: 3px 7px;
  transform: rotate(-1.5deg);
}
.memo-ref {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper-muted);
  border-bottom: 1px solid rgba(16, 22, 25, 0.16);
}
.memo-title {
  font-size: clamp(28px, 3.4vw, 42px);
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 24px 0 18px;
  font-variation-settings: "wdth" 104;
}
.memo-meta {
  display: grid;
  gap: 5px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(16, 22, 25, 0.16);
}
.memo-meta > div { display: grid; grid-template-columns: 64px 1fr; gap: 10px; align-items: baseline; }
.memo-meta dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-muted);
}
.memo-meta dd { font-size: 13px; color: var(--ink); line-height: 1.45; }

.memo-body { padding-top: 22px; }
.memo-empty {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-muted);
  max-width: 58ch;
  padding: 18px 0 8px;
}
.memo-preview {
  margin-top: 14px;
  border-top: 1px solid rgba(16, 22, 25, 0.16);
  max-width: 58ch;
}
.memo-preview li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid rgba(16, 22, 25, 0.12);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.memo-preview .mp-n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--paper-muted);
}
.memo-preview .mp-t { display: block; font-size: 13px; color: var(--ink); font-weight: 500; }
.memo-preview .mp-d { display: block; margin-top: 2px; }
.memo-sec-title {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-ink);
  border-top: 1px solid rgba(16, 22, 25, 0.2);
  padding-top: 12px;
  margin: 22px 0 10px;
}
.memo-body p { font-size: 13.5px; line-height: 1.68; color: var(--ink-2); max-width: 66ch; }
.memo-body p + p { margin-top: 10px; }
.memo-finding {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 8px;
}
.memo-finding strong { font-size: 16px; color: var(--ink); letter-spacing: -0.01em; }
.memo-finding .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal-ink);
  border: 1px solid rgba(7, 94, 85, 0.4);
  padding: 2px 6px;
}
.memo-gaps { display: grid; gap: 10px; margin-top: 4px; counter-reset: mgap; }
.memo-gap { display: grid; grid-template-columns: 22px 1fr; gap: 10px; }
.memo-gap .mg-n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--teal-ink);
  padding-top: 2px;
}
.memo-gap .mg-t { font-size: 13px; line-height: 1.5; color: var(--ink); font-weight: 500; }
.memo-gap .mg-d { font-size: 12.5px; line-height: 1.55; color: var(--ink-soft); margin-top: 2px; }
.memo-qs { counter-reset: mq; display: grid; gap: 7px; }
.memo-qs li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2);
  counter-increment: mq;
}
.memo-qs li::before {
  content: counter(mq, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--paper-muted);
  padding-top: 3px;
}
.memo-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 30px;
  padding-top: 10px;
  border-top: 1px solid rgba(16, 22, 25, 0.2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper-muted);
}
.memo-disclaimer {
  max-width: 900px;
  margin: 16px auto 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--muted-2);
}

/* ==========================================================================
   STANDARDS
   ========================================================================== */

.std-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
.ledger-head {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1.15fr;
  gap: 12px;
  padding: 0 4px 9px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-muted);
}
.ledger { border-bottom: 1px solid rgba(16, 22, 25, 0.2); }
.ledger-row { border-top: 1px solid rgba(16, 22, 25, 0.14); }
.ledger-row:first-child { border-top: 0; }
.ledger-btn {
  width: 100%;
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1.15fr 16px;
  gap: 12px;
  align-items: center;
  padding: 14px 4px;
  text-align: left;
  transition: background 0.18s var(--ease);
  color: var(--ink-2);
}
.ledger-btn:hover { background: rgba(16, 22, 25, 0.035); }
.ledger-btn .ls { font-size: 14.5px; font-weight: 500; color: var(--ink); }
.ledger-btn .lc {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  line-height: 1.4;
}
.ledger-btn .lc:first-of-type { color: var(--teal-ink); }
.ledger-btn .lplus {
  justify-self: end;
  width: 14px; height: 14px;
  position: relative;
  flex: 0 0 auto;
}
.ledger-btn .lplus::before,
.ledger-btn .lplus::after {
  content: "";
  position: absolute;
  background: rgba(16, 22, 25, 0.5);
  transition: var(--t);
}
.ledger-btn .lplus::before { left: 0; right: 0; top: 6px; height: 1px; }
.ledger-btn .lplus::after { top: 0; bottom: 0; left: 6px; width: 1px; }
.ledger-btn[aria-expanded="true"] .lplus::after { transform: scaleY(0); }
.ledger-detail {
  display: none;
  padding: 2px 4px 18px;
}
.ledger-detail.is-open { display: grid; gap: 9px; animation: reveal-line 0.3s var(--ease) both; }
.ledger-detail div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: baseline;
}
.ledger-detail dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-muted);
}
.ledger-detail dd { font-size: 13px; line-height: 1.55; color: var(--ink-2); }
.ledger-detail .ledger-mobile { display: none; }
.std-source {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--paper-muted);
  max-width: 62ch;
}

.checklist { position: sticky; top: 96px; }
.checklist h3 { font-size: clamp(20px, 2vw, 25px); color: var(--ink); margin-bottom: 6px; max-width: 24ch; }
.checklist .paper-head { margin-top: 12px; }
.check-list { display: grid; }
.check-item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  padding: 11px 0;
  border-bottom: 1px solid rgba(16, 22, 25, 0.12);
  cursor: pointer;
}
.check-item:first-child { border-top: 1px solid rgba(16, 22, 25, 0.12); }
.check-item input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}
.check-item .box {
  width: 15px; height: 15px;
  margin-top: 3px;
  border: 1px solid rgba(16, 22, 25, 0.42);
  border-radius: 2px;
  position: relative;
  transition: var(--t);
}
.check-item input:checked + .box {
  background: var(--teal-ink);
  border-color: var(--teal-ink);
}
.check-item input:checked + .box::after {
  content: "";
  position: absolute;
  left: 4px; top: 1px;
  width: 4px; height: 8px;
  border: solid var(--paper);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(42deg);
}
.check-item input:focus-visible + .box { outline: 2px solid var(--ink); outline-offset: 2px; }
.check-item .ct { display: block; font-size: 13px; line-height: 1.45; color: var(--ink); }
.check-item .cd { display: block; font-size: 12px; line-height: 1.5; color: var(--ink-soft); margin-top: 2px; }
.check-item input:checked ~ span .ct { color: var(--ink-soft); text-decoration: line-through; text-decoration-color: rgba(16, 22, 25, 0.3); }
.checklist-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.checklist-foot .mono { font-size: 12px; letter-spacing: 0.1em; color: var(--ink-soft); }
.checklist-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.checklist-foot .btn-quiet { color: var(--ink-soft); }
.checklist-foot .btn-quiet:hover { color: var(--ink); }

/* ==========================================================================
   METHOD
   ========================================================================== */

.method {
  background-color: var(--ground);
  background-image: var(--wash-b);
  border-top: 1px solid var(--line);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  padding: 24px 26px 28px 0;
  border-right: 1px solid var(--line);
  position: relative;
}
.step:last-child { border-right: 0; }
.step:not(:first-child) { padding-left: 26px; }
.step-n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.step-n::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.step h3 { font-size: 21px; margin-bottom: 10px; letter-spacing: -0.02em; }
.step p { font-size: 13.5px; line-height: 1.62; color: #9fb0b8; }
.step-deliver {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.method-note {
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  max-width: 70ch;
}

/* ==========================================================================
   CLOSE + FORMS
   ========================================================================== */

.close {
  background-color: var(--ground-2);
  background-image: var(--wash-a);
  border-top: 1px solid var(--line);
}
.close-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.close-copy h2 { font-size: clamp(32px, 4.2vw, 58px); max-width: 13ch; margin-bottom: 22px; }
.close-copy > p { font-size: 16px; line-height: 1.65; color: #a9b8c2; max-width: 42ch; }
.close-points { margin-top: 26px; display: grid; gap: 10px; }
.close-points li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: #c3d0d4;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.close-points li span { color: var(--teal); }
.cp-mark {
  display: inline-block;
  width: 12px;
  height: 1px;
  background: var(--teal);
  margin-top: 8px;
  position: relative;
}
.cp-mark::after {
  content: "";
  position: absolute;
  right: 0; top: -2px;
  width: 5px; height: 5px;
  border-top: 1px solid var(--teal);
  border-right: 1px solid var(--teal);
  transform: rotate(45deg);
}
.close-direct {
  margin-top: 28px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.close-direct .mono { font-size: 12px; letter-spacing: 0.14em; color: var(--muted-2); }
.close-direct a {
  font-size: 16px;
  color: var(--white);
  border-bottom: 1px solid rgba(0, 210, 184, 0.5);
  padding-bottom: 2px;
  transition: var(--t);
}
.close-direct a:hover { color: var(--teal); }

.close-forms { display: grid; gap: 20px; }
.lead-form h3, .brief-form h3 { font-size: clamp(21px, 2.2vw, 27px); color: var(--ink); margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.field > span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field > span em { font-style: normal; letter-spacing: 0; text-transform: none; color: var(--paper-muted); }
.field input, .field select, .field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(16, 22, 25, 0.22);
  border-radius: 5px;
  padding: 10px 11px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  transition: var(--t);
  min-height: 42px;
}
.field textarea { resize: vertical; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--paper-muted); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(16, 22, 25, 0.42); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
  border-color: transparent;
  background: #fff;
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"], .field select[aria-invalid="true"] {
  border-color: var(--alert-ink);
  background: rgba(255, 107, 74, 0.06);
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 16px) 18px, calc(100% - 11px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.form-error {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--alert-ink);
  margin-bottom: 10px;
}
/* Honeypot: off-screen, not display:none, so naive bots still fill it. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.hp-field label { display: block; }
.hp-field input { width: 1px; height: 1px; opacity: 0; }
.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.form-note {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--paper-muted);
  max-width: 30ch;
}
.form-status {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(7, 94, 85, 0.35);
  background: rgba(0, 150, 130, 0.07);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink);
  border-radius: 4px;
}
.brief-form > p { font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); max-width: 56ch; margin-bottom: 16px; }
.brief-row { display: flex; gap: 8px; align-items: flex-end; }
.brief-row .field { flex: 1; margin-bottom: 0; }
.brief-form .form-note { margin-top: 10px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  border-top: 1px solid var(--line);
  background-color: #050c0e;
  background-image: var(--wash-foot);
  padding-block: clamp(44px, 6vw, 72px) 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-2);
  max-width: 34ch;
}
.footer-plate {
  display: inline-block;
  /* background: var(--bone); */
  padding: 12px 16px;
  border-radius: 4px;
  line-height: 0;
}
.footer-plate img { width: 168px; height: auto; }
.footer-col h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: #b9c7cc;
  padding: 5px 0;
  transition: var(--t);
}
.footer-col a:hover { color: var(--teal); }
.footer-small { font-size: 12px; line-height: 1.7; color: var(--muted-2); margin-bottom: 12px; }
.footer-col .link-btn { font-size: 12px; color: var(--muted-2); }
.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  text-transform: uppercase;
}

/* ==========================================================================
   FILE PROGRESS
   ========================================================================== */

.file-progress {
  position: fixed;
  right: clamp(12px, 2vw, 24px);
  bottom: clamp(12px, 2vw, 24px);
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.fp-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 14px;
  background: rgba(13, 20, 25, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px -14px rgba(0, 0, 0, 0.9);
  transition: var(--t);
}
.fp-toggle:hover { border-color: rgba(0, 210, 184, 0.45); }
.fp-title { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--muted-2); }
.fp-dots { display: flex; gap: 4px; }
.fp-dots i {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: var(--t);
}
.fp-dots i.is-done { background: var(--teal); border-color: var(--teal); box-shadow: 0 0 6px rgba(0, 210, 184, 0.55); }
.fp-count { font-family: var(--mono); font-size: 12px; color: var(--white); letter-spacing: 0.04em; }
.fp-panel {
  width: 260px;
  background: rgba(13, 20, 25, 0.97);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 24px 50px -24px #000;
  animation: q-in 0.2s var(--ease) both;
}
.fp-panel-head {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 10px;
}
.fp-list { display: grid; gap: 2px; margin-bottom: 10px; }
.fp-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted-2);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.fp-list li a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}
.fp-list li.is-done { color: rgba(255, 255, 255, 0.9); }
.fp-list li.is-done span::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--teal);
  vertical-align: 1px;
}
.fp-list li.is-done a { color: var(--muted-2); }

/* ---------- noscript ---------- */

.noscript {
  position: relative;
  z-index: 5;
  margin: 0 auto;
  max-width: 900px;
  padding: 16px 20px;
  background: rgba(255, 200, 87, 0.1);
  border: 1px solid rgba(255, 200, 87, 0.35);
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #ffe6b0;
}
.noscript a { color: var(--caution); text-decoration: underline; }

/* Paper surfaces flip quiet controls to ink so the label stays legible. */
.paper .btn-quiet,
.check .q-actions .btn-quiet,
.check-result .btn-quiet { color: var(--ink-soft); }
.paper .btn-quiet:hover,
.check .q-actions .btn-quiet:hover,
.check-result .btn-quiet:hover { color: var(--ink); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1180px) {
  .hero-copy { grid-column: 2 / span 6; }
  .specimen { grid-column: 8 / span 5; }
  h1 { font-size: clamp(38px, 5.1vw, 62px); }
  .register { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
}

@media (max-width: 1020px) {
  .hero-rail { display: none; }
  .hero-copy { grid-column: 1 / span 7; }
  .specimen { grid-column: 8 / span 5; }
  .test-grid, .check-grid, .close-grid { grid-template-columns: 1fr; }
  .test-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; align-items: start; }
  .test-lede { grid-column: 1; }
  .test-rule { grid-column: 2; margin-top: 0; border-top: 0; padding-top: 4px; }
  .test-score { grid-column: 1 / -1; margin-top: 22px; }
  .test-result-list { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); display: grid; gap: 10px 20px; }
  .test-stage { margin-top: 8px; }
  .check-side { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
  .check-lede { grid-column: 1; }
  .check-progress { grid-column: 2; margin-top: 0; }
  .check-note { grid-column: 1; margin-top: 12px; }
  .check-scale { display: none; }
  .close-copy { max-width: 620px; }
  .std-grid { grid-template-columns: 1fr; }
  .checklist { position: static; max-width: 620px; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .step { border-bottom: 1px solid var(--line); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(3), .step:nth-child(4) { border-bottom: 0; }
  .step:nth-child(3) { padding-left: 0; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 1 / -1; max-width: 460px; }
}

@media (max-width: 860px) {
  .util-mid { display: none; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #0b1116;
    border-bottom: 1px solid var(--line);
    padding: 8px var(--pad) 18px;
    margin: 0;
  }
  .nav-links.is-open a {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }
  .nav-links.is-open a::after { display: none; }

  .hero-grid { row-gap: 0; display: flex; flex-direction: column; }
  .hero-copy { display: contents; }
  .hero-grid > h1 { order: 1; }
  .specimen { order: 2; margin-top: 26px; max-width: 520px; }
  .hero-rest { order: 3; margin-top: 30px; }
  h1 { max-width: 16ch; }
  .hero-sub { max-width: 52ch; }
  .specimen-frame { outline-offset: 10px; }
  .specimen-cap { margin-top: 22px; }

  .doors-intro { flex-direction: column; gap: 14px; }
  .doors-hint { text-align: left; max-width: 40ch; }
  .register { grid-template-columns: 1fr; }
  .door-file { position: static; min-height: 0; }
  .reg-head, .reg-item { grid-template-columns: 34px 1fr 60px 30px; }
  .reg-row { grid-template-columns: 34px minmax(0, 1fr) 60px; }

  .test-copy { grid-template-columns: 1fr; }
  .test-rule { border-top: 1px solid rgba(16, 22, 25, 0.14); padding-top: 14px; margin-top: 16px; }
  .test-result-list { grid-template-columns: 1fr; }
  .exhibit-tab span { display: none; }
  .exhibit-tab { padding: 9px 15px 10px; }

  .check-side { grid-template-columns: 1fr; }
  .check-progress { margin-top: 18px; }
  .check-form { min-height: 0; }
  .check-result-actions .btn { flex: 1 1 auto; }

  .memo-tools { align-items: stretch; }
  .field-inline input { width: 100%; }
  .memo-buttons .btn { flex: 1 1 auto; }
  .memo-mail-form .btn { flex: 1 1 auto; }

  .method-grid { grid-template-columns: 1fr; }
  .step { border-right: 0; padding: 22px 0 24px; border-bottom: 1px solid var(--line); }
  .step:nth-child(3) { padding-left: 0; }
  .step:last-child { border-bottom: 0; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: 1 / -1; }

  .fp-title { display: none; }
  .fp-toggle { height: 40px; padding: 0 12px; }
  .fp-panel { width: 232px; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  :root { --sec-y: 64px; }
  .util { font-size: 12px; }
  .util-cell:last-child { display: none; }
  .nav-in { height: 62px; gap: 12px; }
  .nav-cta { height: 34px; padding: 0 10px; font-size: 12px; }
  .brand-logo { height: 38px; }

  h1 { font-size: clamp(36px, 10.4vw, 48px); line-height: 0.98; letter-spacing: -0.036em; }
  .hero { padding-top: 28px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-actions .btn-ghost { flex: 0 0 auto; }
  .specimen-frame { outline-offset: 8px; }
  .inst-controls { flex-direction: column; }
  .inst-controls .btn { width: 100%; }
  .mail-meta > div { grid-template-columns: 62px 1fr; }

  .sec-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 28px; }
  .sec-meta { padding-bottom: 0; white-space: normal; }
  .sec-head h2 { max-width: 100%; }

  .reg-head { display: none; }
  .reg-item { grid-template-columns: minmax(0, 1fr) 36px; padding: 0 4px; }
  .reg-row { grid-column: 1; grid-template-columns: 28px minmax(0, 1fr); padding: 13px 0; }
  .reg-row .rowner { display: none; }
  .reg-row .rname { font-size: 14.5px; }
  .door-file { padding: 20px; }
  .door-grid { gap: 12px; }

  .paper { padding: 20px; }
  .exhibit-tabs { gap: 2px; }
  .exhibit-tab { font-size: 12px; padding: 8px 11px 9px; }
  .line-btn { font-size: 13.5px; padding: 11px 6px 11px 10px; grid-template-columns: 1fr; }
  .line-btn .hint { display: none; }
  .test-nav { flex-wrap: wrap; }
  .test-nav .btn-quiet { order: 3; flex: 1 1 auto; }
  .test-nav-count { order: 1; width: 100%; text-align: center; margin-bottom: 4px; }

  .check-form { padding: 20px; }
  .q-opt span { padding: 12px; font-size: 13.5px; }
  .result-top { flex-wrap: wrap; }
  .score-dial { text-align: left; }
  .gaps-head { flex-direction: column; gap: 4px; }
  .gaps-head .mono { display: none; }

  .memo-ref, .memo-meta > div { grid-template-columns: 1fr; gap: 2px; }
  .memo-ref { flex-direction: column; gap: 3px; }
  .memo-sheet { padding: 22px 20px; }
  .memo-foot { flex-direction: column; gap: 4px; }

  .ledger-head { display: none; }
  .ledger-btn {
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
    padding: 14px 2px;
  }
  .ledger-btn .ls { grid-column: 1; font-size: 15px; }
  .ledger-btn .lc { grid-column: 1; }
  .ledger-btn .lc:nth-of-type(2), .ledger-btn .lc:nth-of-type(3) { display: none; }
  .ledger-btn .lplus { grid-column: 2; grid-row: 1 / span 3; align-self: start; margin-top: 4px; }
  .ledger-detail div { grid-template-columns: 1fr; gap: 3px; }
  .ledger-detail .ledger-mobile { display: grid; }

  .form-row { grid-template-columns: 1fr; gap: 0; }
  .brief-row { flex-direction: column; align-items: stretch; }
  .brief-row .btn { width: 100%; }
  .form-actions { align-items: stretch; }
  .form-actions .btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-plate img { width: 150px; }
  .footer-legal { flex-direction: column; gap: 6px; }
  .file-progress { right: 10px; bottom: 10px; }
}

@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;
    scroll-behavior: auto !important;
  }
  .instrument.is-running::after { display: none; }
  .reveal { opacity: 1; transform: none; }
}

/* reveal (added by script only) */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   PRINT — the memo is the document
   ========================================================================== */

@media print {
  @page { size: A4; margin: 12mm 14mm; }
  body { background: #fff !important; color: #000; font-size: 11pt; }
  body::before, .util, .nav, .hero, .doors, .test, .check, .standards, .method,
  .close, .footer, .file-progress, .memo-tools, .memo-mail, .memo-disclaimer, .noscript,
  .memo-sec .sec-head, .skip-link { display: none !important; }
  .memo-sec { padding: 0; background: #fff; border: 0; }
  .memo-sec .wrap { max-width: none; padding: 0; }
  .memo-sheet {
    display: block !important;
    max-width: none;
    border: 0;
    box-shadow: none;
    padding: 0;
    background: #fff;
  }
  .memo-sheet::after { display: none; }
  .memo-mast { border-bottom: 2px solid #000; padding-bottom: 8px; }
  .memo-brand img { height: 44px; }
  .memo-ref { padding: 6px 0; }
  .memo-title { color: #000; font-size: 26px; margin: 12px 0 10px; }
  .memo-meta { padding-bottom: 10px; gap: 3px; }
  .memo-meta > div { grid-template-columns: 64px 1fr; }
  .memo-meta dd, .memo-body p, .memo-gap .mg-t, .memo-qs li { color: #000; }
  .memo-meta dd { font-size: 12px; line-height: 1.4; }
  .memo-body { padding-top: 12px; }
  .memo-sec-title { color: #000; border-top-color: #000; margin: 12px 0 6px; padding-top: 8px; }
  .memo-class { color: #000; border-color: #000; }
  .memo-body p { font-size: 12px; line-height: 1.55; }
  .memo-body p + p { margin-top: 6px; }
  .memo-finding { margin-bottom: 4px; gap: 6px 10px; }
  .memo-finding strong { font-size: 14px; }
  .memo-gaps { gap: 6px; margin-top: 2px; }
  .memo-gap { grid-template-columns: 20px 1fr; gap: 8px; }
  .memo-gap .mg-t { font-size: 12px; line-height: 1.4; }
  .memo-gap .mg-d { font-size: 12px; line-height: 1.45; margin-top: 1px; }
  .memo-qs { gap: 4px; }
  .memo-qs li { font-size: 12px; line-height: 1.45; }
  .memo-qs li::before { padding-top: 2px; }
  .memo-foot { margin-top: 14px; padding-top: 8px; }
  .memo-gap, .memo-qs li { break-inside: avoid; }
  a { color: #000; text-decoration: none; }
  .memo-body a[href]::after { content: ""; }
}