/* =========================================================
   App Blueprint — btcapps.org
   Engineering-blueprint system: blue ground, white line,
   highlighter yellow for the thing you must not miss.
   System fonts only. No external resources.
   ========================================================= */

:root {
  color-scheme: dark;

  /* Palette tokens */
  --bp: #0E3A78;
  --bp-deep: #0A2A58;
  --bp-ink: #071E41;
  --ink: #F4F8FF;
  --ink-2: #C9DCF7;
  --hi: #FFD35C;
  --hi-press: #E9B93A;
  --cy: #8FD3FF;
  --risk: #FF9C8F;
  --ok: #A8F0C0;
  --grid: rgba(255, 255, 255, .16);
  --grid-soft: rgba(255, 255, 255, .06);
  --line: rgba(244, 248, 255, .66);
  --line-soft: rgba(244, 248, 255, .34);
  --hi-ink: #FFD35C;          /* highlighter used as text/stroke */
  --on-hi: #0A2A58;           /* text that sits on highlighter */
  --shadow-1: 0 1px 0 rgba(255, 255, 255, .08) inset, 0 2px 4px rgba(2, 12, 34, .5), 0 14px 30px -14px rgba(2, 12, 34, .8);

  /* Type */
  --font-h: Futura, "Century Gothic", "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-b: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-m: Menlo, Consolas, "SFMono-Regular", "Courier New", monospace;

  /* Spacing scale */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 72px;
  --s9: 112px;

  --hh: 64px;
  --maxw: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --zgap: 22px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--hh) + 16px);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-b);
  font-size: clamp(1rem, .96rem + .2vw, 1.125rem);
  line-height: 1.62;
  color: var(--ink);
  background-color: var(--bp);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-soft) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
  overflow-x: hidden;
}

main { flex: 1 0 auto; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-h);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .005em;
  margin: 0 0 var(--s4);
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(2.15rem, 1.2rem + 4.4vw, 4.4rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 1.15rem + 1.9vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.05rem + .6vw, 1.5rem); }
h4 { font-size: 1.05rem; }

p { margin: 0 0 var(--s4); }
ul, ol { margin: 0 0 var(--s4); padding-left: 1.3em; }
li { margin-bottom: var(--s2); }

a {
  color: var(--cy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--ink); text-decoration-thickness: 2px; }

strong { font-weight: 700; }
code, kbd, samp { font-family: var(--font-m); font-size: .9em; }
code { background: rgba(7, 30, 65, .7); padding: .1em .35em; border: 1px solid var(--line-soft); border-radius: 3px; }

mark {
  background: var(--hi);
  color: var(--on-hi);
  padding: .02em .28em;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--hi);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--hi); color: var(--on-hi); }

.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--hi);
  color: var(--on-hi);
  font-family: var(--font-h);
  font-weight: 700;
  text-decoration: none;
  border-radius: 3px;
}
.skip:focus { top: 12px; }

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

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-wide { width: 100%; max-width: 1680px; margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Annotation type ---------- */
.mono, .eyebrow, .label {
  font-family: var(--font-m);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.label { font-size: .75rem; color: var(--ink-2); display: block; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  font-size: .78rem;
  font-weight: 700;
  color: var(--cy);
  margin-bottom: var(--s4);
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 9px;
  background:
    linear-gradient(currentColor, currentColor) 0 50% / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 1px 100% no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 1px 100% no-repeat;
}
.lede {
  font-size: clamp(1.08rem, 1rem + .5vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink);
  max-width: 62ch;
}
.muted { color: var(--ink-2); }
.small { font-size: .9rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bp-deep);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 10px 22px -12px rgba(2, 12, 34, .9);
}
.hdr-in {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
  min-height: var(--hh);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0 var(--s5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  min-height: 48px;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-name {
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .02em;
  line-height: 1;
}
.brand-sub {
  display: block;
  font-family: var(--font-m);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cy);
  margin-top: 4px;
}
.menu-btn { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px; }
.nav li { margin: 0; }
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 clamp(10px, 1.2vw, 16px);
  font-family: var(--font-h);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  position: relative;
}
.nav a:hover { background: rgba(255, 255, 255, .1); }
.nav a[aria-current="page"] { box-shadow: inset 0 -4px 0 var(--hi); }
.nav a[aria-current="page"]::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--hi);
  transform: rotate(45deg);
  margin-right: 9px;
}

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 48px;
  padding: 0 22px;
  border: 2px solid var(--ink);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-h);
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, background-color .15s ease, box-shadow .15s ease, color .15s ease;
}
.btn:hover { background: rgba(255, 255, 255, .14); color: var(--ink); transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn-hi {
  background: var(--hi);
  border-color: var(--hi);
  color: var(--on-hi);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .55) inset, 0 4px 0 #A57F14, 0 12px 18px -8px rgba(2, 12, 34, .7);
}
.btn-hi:hover { background: #FFDF85; border-color: #FFDF85; color: var(--on-hi); }
.btn-hi:active { box-shadow: 0 1px 0 rgba(255, 255, 255, .55) inset, 0 1px 0 #A57F14; transform: translateY(3px); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: .78rem; }
.btn[disabled], .btn[aria-disabled="true"] {
  cursor: not-allowed;
  background: var(--bp-ink);
  border: 2px dashed var(--line);
  color: var(--ink-2);
  box-shadow: none;
  transform: none;
}
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s3); align-items: center; }

/* ---------- Panels, notes, tags ---------- */
.panel {
  background: var(--bp-deep);
  border: 1.5px solid var(--line);
  border-radius: 3px;
  padding: clamp(18px, 2.4vw, 30px);
  box-shadow: var(--shadow-1);
  position: relative;
}
.note {
  font-family: var(--font-m);
  font-size: .86rem;
  line-height: 1.55;
  color: var(--ink);
  background: rgba(7, 30, 65, .72);
  border: 1px dashed var(--line);
  border-left: 5px solid var(--hi);
  padding: var(--s3) var(--s4);
  margin: 0 0 var(--s4);
  border-radius: 2px;
}
.note b { color: var(--hi-ink); font-weight: 700; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-m);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 2px;
  background: rgba(7, 30, 65, .6);
}
.tag-hi { background: var(--hi); color: var(--on-hi); border-color: var(--hi); font-weight: 700; }
.stamp {
  display: inline-block;
  font-family: var(--font-m);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--hi-ink);
  border: 2px solid var(--hi);
  padding: 5px 12px;
  transform: rotate(-3deg);
  border-radius: 3px;
  box-shadow: inset 0 0 0 2px var(--bp-deep), inset 0 0 0 3px var(--hi);
}

/* Dimension line (CSS version) */
.dim {
  display: flex;
  align-items: center;
  gap: var(--s3);
  color: var(--cy);
  font-family: var(--font-m);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: var(--s5) 0;
}
.dim::before, .dim::after {
  content: "";
  flex: 1;
  height: 13px;
  background:
    linear-gradient(currentColor, currentColor) 0 50% / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 1px 100% no-repeat;
}
.dim::after {
  background:
    linear-gradient(currentColor, currentColor) 0 50% / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 1px 100% no-repeat;
}

/* ---------- Drawing sheet frame ---------- */
.dsheet {
  position: relative;
  background-color: var(--bp-deep);
  background-image:
    linear-gradient(var(--grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 2px solid var(--ink);
  padding: calc(var(--zgap) + clamp(16px, 3vw, 36px));
  box-shadow: var(--shadow-1), 0 0 0 6px rgba(10, 42, 88, .55);
}
.dsheet::before {
  content: "";
  position: absolute;
  inset: var(--zgap);
  border: 1px solid var(--line);
  pointer-events: none;
}
.zones { position: absolute; inset: 0; pointer-events: none; }
.zx, .zy { position: absolute; display: flex; }
.zx { left: var(--zgap); right: var(--zgap); height: var(--zgap); flex-direction: row; }
.zx-t { top: 0; }
.zx-b { bottom: 0; }
.zy { top: var(--zgap); bottom: var(--zgap); width: var(--zgap); flex-direction: column; }
.zy-l { left: 0; }
.zy-r { right: 0; }
.zx span, .zy span {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-m);
  font-size: 11px;
  color: var(--ink-2);
}
.zx span + span { border-left: 1px solid var(--line-soft); }
.zy span + span { border-top: 1px solid var(--line-soft); }
.zx-b span, .zx-t span { height: 100%; }

/* Title block */
.tblock {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: var(--s6) 0 0 auto;
  max-width: 560px;
  border: 1.5px solid var(--ink);
  background: var(--bp-deep);
}
.tblock > div { padding: 8px 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.tblock > div:nth-child(4n) { border-right: 0; }
.tblock > div:nth-last-child(-n+4) { border-bottom: 0; }
.tblock .wide { grid-column: span 2; }
.tblock .full { grid-column: 1 / -1; border-right: 0; }
.tblock dt { font-family: var(--font-m); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.tblock dd { margin: 2px 0 0; font-family: var(--font-h); font-weight: 700; font-size: .95rem; overflow-wrap: anywhere; }

/* ---------- Reveal & draw motion ---------- */
.js .rv { transform: translateY(18px); transition: transform .8s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--rd, 0s); }
.js .rv.in { transform: none; }

@keyframes draw {
  from { stroke-dasharray: 1; stroke-dashoffset: 1; }
  99% { stroke-dasharray: 1; stroke-dashoffset: 0; }
  to { stroke-dasharray: none; stroke-dashoffset: 0; }
}
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.js .draw { animation: draw .9s cubic-bezier(.55, 0, .25, 1) calc(var(--d, 0s) * .3) both; }
.settled .draw, .settled .fade { animation: none !important; }
.js .fade { animation: fadein .6s ease calc(var(--d, 0s) * .3) both; }

/* =========================================================
   HOME
   ========================================================= */
.hero { padding: clamp(32px, 6vw, 88px) 0 clamp(40px, 6vw, 80px); }
.hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 64px);
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center;
}
.hero-copy h1 { margin-bottom: var(--s5); }
.hero-copy .lede { margin-bottom: var(--s6); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s6); align-items: center; }
.hero-fig { margin: 0; }
.hero-sheet { padding-top: calc(var(--zgap) + 18px); padding-bottom: calc(var(--zgap) + 18px); }
.hero-sheet svg { width: 100%; height: auto; overflow: visible; }
.hero-sheet figcaption, .hero-fig figcaption { margin-top: var(--s4); }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: .9rem; color: var(--ink-2); }
.legend li { display: flex; gap: 10px; align-items: baseline; margin: 0; }
.legend b {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: var(--hi); color: var(--on-hi);
  font-family: var(--font-m); font-size: .78rem;
}
.hero-sheet .tblock { margin-top: var(--s5); max-width: 100%; }

.sec { padding: clamp(40px, 6vw, 88px) 0; }
.sec-tint { background: linear-gradient(180deg, rgba(7, 30, 65, .72), rgba(7, 30, 65, .72)); border-block: 1px solid var(--line-soft); }
.sec-head { max-width: 760px; margin-bottom: var(--s6); }
.sec-head p { color: var(--ink); }

.idx { width: 100%; border-collapse: collapse; background: var(--bp-deep); border: 1.5px solid var(--ink); box-shadow: var(--shadow-1); }
.idx caption { text-align: left; padding: 0 0 var(--s3); caption-side: top; }
.idx th, .idx td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.idx thead th { font-family: var(--font-m); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); background: var(--bp-ink); border-bottom: 2px solid var(--ink); }
.idx tbody th { font-family: var(--font-m); color: var(--hi-ink); font-weight: 700; white-space: nowrap; }
.idx td a.row-link {
  display: inline-flex; align-items: center; min-height: 44px;
  font-family: var(--font-h); font-weight: 700; font-size: 1.15rem; color: var(--ink);
  text-decoration: underline; text-decoration-color: var(--cy); text-decoration-thickness: 2px; text-underline-offset: 5px;
}
.idx td a.row-link:hover { color: var(--hi-ink); }
.idx tbody tr { transition: background-color .15s ease; }
.idx tbody tr:hover { background: rgba(255, 255, 255, .06); }
.idx tbody tr:last-child th, .idx tbody tr:last-child td { border-bottom: 0; }

/* Anatomy */
.anat { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.anat-fig { margin: 0; }
.anat-fig svg { width: 100%; height: auto; max-width: 440px; margin-inline: auto; }
.anat-list { list-style: none; margin: 0 0 var(--s5); padding: 0; display: grid; gap: var(--s2); }
.anat-list li { margin: 0; }
.anat-btn {
  appearance: none; -webkit-appearance: none;
  width: 100%; text-align: left; cursor: pointer;
  display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: center;
  min-height: 56px; padding: 10px 16px;
  background: rgba(7, 30, 65, .6); color: var(--ink);
  border: 1.5px solid var(--line-soft); border-radius: 3px;
  font-family: var(--font-b); font-size: 1rem;
}
.anat-btn:hover { background: rgba(255, 255, 255, .1); border-color: var(--line); }
.anat-btn .n { font-family: var(--font-m); font-weight: 700; width: 32px; height: 32px; display: grid; place-items: center; border: 1.5px solid var(--cy); color: var(--cy); border-radius: 50%; }
.anat-btn .t { font-family: var(--font-h); font-weight: 700; letter-spacing: .02em; }
.anat-btn .s { display: block; font-size: .86rem; color: var(--ink-2); font-family: var(--font-b); font-weight: 400; }
.anat-btn[aria-pressed="true"] { border-color: var(--hi); background: rgba(255, 211, 92, .12); box-shadow: inset 4px 0 0 var(--hi); }
.anat-btn[aria-pressed="true"] .n { background: var(--hi); border-color: var(--hi); color: var(--on-hi); }
.anat-detail h3 { margin-bottom: var(--s3); }
.anat-detail dl { margin: 0; display: grid; gap: var(--s3); }
.anat-detail dt { font-family: var(--font-m); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cy); }
.anat-detail dd { margin: 2px 0 0; }
.anat-svg .part rect, .anat-svg .part path.pbox { fill: rgba(255, 255, 255, .03); stroke: var(--ink); stroke-width: 1.6; }
.anat-svg .part text { fill: var(--ink); font-family: var(--font-h); font-weight: 700; font-size: 17px; letter-spacing: .04em; }
.anat-svg .part .sub { fill: var(--ink-2); font-family: var(--font-m); font-weight: 400; font-size: 12px; letter-spacing: .06em; }
.anat-svg .part .num { fill: var(--cy); font-family: var(--font-m); font-size: 14px; }
.anat-svg .part.on rect { fill: rgba(255, 211, 92, .16); stroke: var(--hi); stroke-width: 2.6; }
.anat-svg .part.on .num { fill: var(--hi-ink); }
.anat-svg .flow { stroke: var(--cy); stroke-width: 1.6; fill: none; }

/* Constants */
.consts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s5); list-style: none; padding: 0; margin: 0; }
.const {
  margin: 0; position: relative;
  background: var(--bp-deep); border: 1.5px solid var(--line);
  padding: 26px 22px 22px; box-shadow: var(--shadow-1);
  transition: transform .2s ease, border-color .2s ease;
}
.const:hover { transform: translateY(-3px); border-color: var(--hi); }
.const::before, .const::after { content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--hi); }
.const::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.const::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }
.const .big { display: block; font-family: var(--font-h); font-weight: 700; font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.7rem); color: var(--hi-ink); line-height: 1; margin-bottom: 6px; }
.const h3 { font-size: 1.05rem; letter-spacing: .06em; text-transform: uppercase; color: var(--cy); margin-bottom: var(--s3); }
.const p { margin: 0; font-size: .98rem; color: var(--ink); }
.const .design { display: block; margin-top: var(--s3); font-family: var(--font-m); font-size: .8rem; color: var(--ink-2); border-top: 1px dashed var(--line-soft); padding-top: var(--s3); }

/* Method */
.method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s5); counter-reset: m; list-style: none; padding: 0; margin: 0; }
.method li { margin: 0; counter-increment: m; position: relative; padding-top: 58px; }
.method li::before {
  content: counter(m, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-h); font-weight: 700; font-size: 2.4rem; line-height: 1; color: var(--on-hi);
  background: var(--hi); padding: 6px 12px; border-radius: 2px;
  box-shadow: 4px 4px 0 rgba(2, 12, 34, .6);
}
.method li::after { content: ""; position: absolute; top: 28px; left: 90px; right: 0; height: 1px; background: var(--line); }
.method li:last-child::after { display: none; }
.method h3 { margin-bottom: 8px; }
.method p { margin-bottom: var(--s3); }

.honest { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s5); }
.honest .panel h3 { color: var(--cy); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; }
.honest .panel p { margin: 0; }

.cta-band { padding: clamp(40px, 6vw, 80px) 0; }
.cta-sheet { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--s6); align-items: center; }
.cta-sheet h2 { margin-bottom: var(--s3); }

/* =========================================================
   WIZARD
   ========================================================= */
.wz { display: grid; grid-template-columns: minmax(340px, 410px) minmax(0, 1fr); align-items: start; max-width: 1680px; margin: 0 auto; width: 100%; }
.wz-panel {
  position: sticky; top: var(--hh);
  height: calc(100vh - var(--hh)); height: calc(100dvh - var(--hh));
  overflow-y: auto; overscroll-behavior: contain;
  background: var(--bp-deep);
  border-right: 2px solid var(--ink);
  padding: var(--s5) var(--s5) var(--s6);
  display: flex; flex-direction: column; gap: var(--s4);
  box-shadow: 10px 0 24px -16px rgba(2, 12, 34, .9);
}
.wz-panel h1 { font-size: clamp(1.7rem, 1.3rem + 1.2vw, 2.2rem); margin: 0; }
.wz-panel .intro { color: var(--ink-2); margin: 0; font-size: .95rem; }
.wz-name label { display: block; margin-bottom: 6px; }
.field-input, .field select, .field textarea, .field input[type="text"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  background: var(--bp-ink);
  color: var(--ink);
  border: 1.5px solid var(--line);
  border-radius: 3px;
  font: inherit;
  font-size: 1rem;
}
.field-input::placeholder, .field textarea::placeholder, .field input::placeholder { color: #B3C9E8; opacity: 1; }
.field-input:hover, .field select:hover, .field textarea:hover, .field input[type="text"]:hover { border-color: var(--ink); }
.field-input:focus-visible, .field select:focus-visible, .field textarea:focus-visible, .field input:focus-visible {
  outline: 3px solid var(--hi); outline-offset: 2px; border-color: var(--hi);
}
.field-input[aria-invalid="true"], .field [aria-invalid="true"] { border-color: var(--risk); border-style: dashed; }

.wz-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; position: relative; }
.wz-steps li { margin: 0; }
.wz-step-btn {
  appearance: none; -webkit-appearance: none;
  width: 100%; min-height: 56px; cursor: pointer;
  background: rgba(7, 30, 65, .7); color: var(--ink);
  border: 1.5px solid var(--line-soft); border-radius: 3px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  padding: 4px 2px;
  font-family: var(--font-m); font-size: .62rem; letter-spacing: .04em; text-transform: uppercase;
}
.wz-step-btn .num { font-family: var(--font-h); font-weight: 700; font-size: 1.05rem; line-height: 1; }
.wz-step-btn:hover { background: rgba(255, 255, 255, .12); border-color: var(--line); }
.wz-step-btn[aria-current="step"] { background: var(--hi); border-color: var(--hi); color: var(--on-hi); font-weight: 700; }
.wz-step-btn.done:not([aria-current="step"]) { border-color: var(--cy); }
.wz-step-btn.done .num::after { content: " \2713"; font-size: .7em; }

.wz-q { border: 0; margin: 0; padding: 0; min-width: 0; }
.wz-q[hidden] { display: none; }
.wz-q legend { padding: 0; margin-bottom: 4px; width: 100%; }
.wz-q h2 { font-size: 1.45rem; margin: 0 0 var(--s2); }
.wz-q h2:focus { outline: none; }
.wz-q h2:focus-visible { outline: 3px solid var(--hi); outline-offset: 4px; }
.wz-help { color: var(--ink-2); font-size: .93rem; margin-bottom: var(--s3); }
.opts { display: grid; gap: var(--s2); }

.opt { position: relative; display: block; margin: 0; }
.opt input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; z-index: 2; }
.opt-body {
  position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px;
  min-height: 56px; padding: 12px 14px;
  background: rgba(7, 30, 65, .6);
  border: 1.5px solid var(--line-soft); border-radius: 3px;
}
.opt-body::before { content: ""; grid-row: 1 / span 2; grid-column: 1; width: 20px; height: 20px; margin-top: 2px; border: 2px solid var(--ink); border-radius: 50%; }
.opt-check .opt-body::before { border-radius: 3px; }
.opt:hover .opt-body { border-color: var(--line); background: rgba(255, 255, 255, .09); }
.opt input:checked + .opt-body { border-color: var(--hi); background: rgba(255, 211, 92, .11); box-shadow: inset 4px 0 0 var(--hi); }
.opt input:checked + .opt-body::before { border-color: var(--hi); background: radial-gradient(circle, var(--hi) 0 4.5px, transparent 5.5px); }
.opt-check input:checked + .opt-body::before { background: var(--hi); }
.opt-check input:checked + .opt-body::after {
  content: ""; position: absolute; left: 21px; top: 16px; width: 6px; height: 11px;
  border: solid var(--on-hi); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg);
}
.opt input:focus-visible + .opt-body { outline: 3px solid var(--hi); outline-offset: 3px; }
.opt-title { grid-column: 2; display: block; font-family: var(--font-h); font-weight: 700; font-size: 1rem; letter-spacing: .01em; }
.opt-desc { grid-column: 2; display: block; font-size: .86rem; color: var(--ink-2); line-height: 1.45; margin-top: 2px; }

.wz-nav { display: flex; flex-wrap: wrap; gap: var(--s2); align-items: center; justify-content: space-between; }
.wz-tools { display: flex; flex-wrap: wrap; gap: var(--s2); border-top: 1px dashed var(--line-soft); padding-top: var(--s4); }
.wz-foot { font-family: var(--font-m); font-size: .74rem; color: var(--ink-2); margin: 0; }
.wz-jump { display: none; }

.wz-main { min-width: 0; padding: clamp(14px, 3vw, 40px); }
.wz-sheet { padding-bottom: calc(var(--zgap) + 24px); }
.sh-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s4); margin-bottom: var(--s5); }
.sh-top h2 { margin: 4px 0 0; font-size: clamp(1.7rem, 1.2rem + 2vw, 2.7rem); overflow-wrap: anywhere; }
.meter-wrap { min-width: 180px; }
.meter { height: 14px; border: 1.5px solid var(--ink); border-radius: 2px; background: var(--bp-ink); position: relative; overflow: hidden; }
.meter > span { display: block; height: 100%; width: 0; background: repeating-linear-gradient(135deg, var(--hi) 0 8px, #E8BE45 8px 16px); }
.meter-label { font-family: var(--font-m); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); margin-bottom: 6px; display: block; }

.sh-sec { margin-top: var(--s6); padding-top: var(--s5); border-top: 1px solid var(--line-soft); }
.sh-sec:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.sh-sec h3 { display: flex; align-items: center; gap: 12px; font-size: 1.15rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--s4); }
.sh-sec h3 .k { font-family: var(--font-m); font-size: .8rem; background: var(--hi); color: var(--on-hi); padding: 3px 9px; border-radius: 2px; letter-spacing: .06em; }

.diagram { background: rgba(7, 30, 65, .55); border: 1px solid var(--line-soft); padding: 8px; position: relative; }
.diagram svg { width: 100%; height: auto; overflow: visible; }
.dg-node rect { fill: rgba(10, 42, 88, .92); stroke-width: 1.8; }
.dg-node.z-device rect { stroke: var(--cy); }
.dg-node.z-server rect { stroke: var(--hi); }
.dg-node.z-third rect { stroke: var(--ink); stroke-dasharray: 6 4; }
.dg-node.z-network rect { stroke: var(--ink); stroke-width: 3; }
.dg-node.z-unknown rect { stroke: var(--ink-2); stroke-dasharray: 3 4; }
.dg-node.mod rect { stroke-dasharray: 5 3; }
.dg-node .t { fill: var(--ink); font-family: var(--font-h); font-weight: 700; font-size: 14.5px; }
.dg-node .s { fill: var(--ink-2); font-family: var(--font-b); font-size: 12.5px; }
.dg-node .id { fill: var(--cy); font-family: var(--font-m); font-size: 11px; letter-spacing: .06em; }
.dg-node .zt { fill: var(--ink-2); font-family: var(--font-m); font-size: 10.5px; letter-spacing: .08em; }
.dg-zone { fill: none; stroke-width: 1.4; stroke-dasharray: 9 5; }
.dg-zone.dev { stroke: var(--cy); }
.dg-zone.srv { stroke: var(--hi); }
.dg-zl { font-family: var(--font-m); font-size: 11px; letter-spacing: .1em; }
.dg-zl.dev { fill: var(--cy); }
.dg-zl.srv { fill: var(--hi-ink); }
.dg-edge { fill: none; stroke: var(--ink); stroke-width: 1.7; }
.dg-bus { fill: none; stroke: var(--line); stroke-width: 1.2; stroke-dasharray: 4 4; }
.dg-dim { fill: none; stroke: var(--cy); stroke-width: 1.2; }
.dg-dimt { fill: var(--cy); font-family: var(--font-m); font-size: 11.5px; letter-spacing: .06em; text-anchor: middle; }
.dg-cap { fill: var(--ink-2); font-family: var(--font-m); font-size: 11px; letter-spacing: .12em; }
.dg-empty { fill: var(--ink-2); font-family: var(--font-m); font-size: 12px; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: var(--s3) 0 0; }
.chips li { margin: 0; }

.dtable { width: 100%; border-collapse: collapse; font-size: .95rem; }
.dtable caption { text-align: left; font-family: var(--font-m); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); padding-bottom: 8px; }
.dtable th, .dtable td { text-align: left; padding: 9px 12px; border: 1px solid var(--line); vertical-align: top; }
.dtable thead th { background: var(--bp-ink); font-family: var(--font-m); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.dtable tbody th { font-family: var(--font-m); color: var(--hi-ink); width: 3.2em; }
.dtable .pend { color: var(--ink-2); font-style: italic; }
.table-scroll { overflow-x: auto; max-width: 100%; }

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s2); }
.checks li { margin: 0; display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; padding: 12px 14px; border: 1px dashed var(--line); background: rgba(7, 30, 65, .55); }
.checks .ico { width: 26px; height: 26px; display: grid; place-items: center; background: var(--cy); color: var(--on-hi); font-family: var(--font-m); font-weight: 700; border-radius: 50%; }
.checks p { margin: 0; font-size: .95rem; }

.risks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s3); counter-reset: r; }
.risk { margin: 0; display: grid; grid-template-columns: 74px minmax(0, 1fr); border: 1.5px solid var(--line); background: rgba(7, 30, 65, .6); break-inside: avoid; }
.risk .sev {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  padding: 10px 4px; border-right: 1.5px solid var(--line);
  font-family: var(--font-m); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
}
.risk .sev svg { width: 22px; height: 22px; }
.risk.s3 .sev { background: var(--risk); color: #3a0a04; }
.risk.s2 .sev { background: var(--hi); color: var(--on-hi); }
.risk.s1 .sev { background: var(--cy); color: var(--on-hi); }
.risk .body { padding: 12px 16px; min-width: 0; }
.risk h4 { margin: 0 0 4px; font-size: 1.05rem; }
.risk p { margin: 0 0 6px; font-size: .94rem; }
.risk .fix { color: var(--ink); }
.risk .fix b { font-family: var(--font-m); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cy); margin-right: 6px; }

.build { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: b; position: relative; }
.build li { margin: 0; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding-bottom: var(--s4); position: relative; }
.build li::before { content: ""; position: absolute; left: 25px; top: 44px; bottom: 0; width: 1px; background: var(--line); }
.build li:last-child::before { display: none; }
.build .bn { width: 50px; height: 36px; display: grid; place-items: center; font-family: var(--font-m); font-weight: 700; font-size: .85rem; border: 1.5px solid var(--hi); color: var(--hi-ink); background: var(--bp-ink); }
.build h4 { margin: 0 0 2px; font-size: 1.02rem; }
.build p { margin: 0; font-size: .94rem; color: var(--ink); }

.export textarea {
  width: 100%; min-height: 260px; resize: vertical;
  background: var(--bp-ink); color: var(--ink); border: 1.5px solid var(--line); border-radius: 3px;
  font-family: var(--font-m); font-size: .82rem; line-height: 1.55; padding: 14px;
}
.export textarea:focus-visible { outline: 3px solid var(--hi); outline-offset: 2px; }
.status { font-family: var(--font-m); font-size: .8rem; color: var(--cy); min-height: 1.4em; margin: var(--s2) 0 0; }

.empty {
  border: 1.5px dashed var(--line); padding: var(--s5); text-align: center; color: var(--ink);
  background: rgba(7, 30, 65, .5);
}
.empty b { display: block; font-family: var(--font-h); font-size: 1.1rem; margin-bottom: 4px; }
.empty p { margin: 0; color: var(--ink-2); }

/* =========================================================
   PRINCIPLES
   ========================================================= */
.page-head { padding: clamp(32px, 5vw, 64px) 0 var(--s6); }
.page-head h1 { max-width: 18ch; }
.page-head .lede { margin-bottom: 0; }
.pr-tools { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s3); margin-top: var(--s5); }
.pr-tools .label { margin-right: var(--s2); color: var(--ink); }
.fchip {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  min-height: 44px; padding: 0 16px;
  background: rgba(7, 30, 65, .7); color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 22px;
  font-family: var(--font-m); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
}
.fchip:hover { background: rgba(255, 255, 255, .14); }
.fchip[aria-pressed="true"] { background: var(--hi); border-color: var(--hi); color: var(--on-hi); font-weight: 700; }
.fchip[aria-pressed="true"]::before { content: "\2713\00a0"; }

.pr-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(20px, 3vw, 48px); align-items: start; padding-bottom: var(--s8); }
.pr-index { position: sticky; top: calc(var(--hh) + 20px); }
.pr-index ol { list-style: none; margin: 0; padding: 0; border: 1.5px solid var(--ink); background: var(--bp-deep); box-shadow: var(--shadow-1); }
.pr-index li { margin: 0; border-bottom: 1px solid var(--line-soft); }
.pr-index li:last-child { border-bottom: 0; }
.pr-index a {
  display: grid; grid-template-columns: 34px minmax(0, 1fr); align-items: center; gap: 6px;
  min-height: 44px; padding: 6px 12px; color: var(--ink); text-decoration: none; font-size: .9rem; line-height: 1.25;
}
.pr-index a .n { font-family: var(--font-m); color: var(--cy); font-weight: 700; }
.pr-index a:hover { background: rgba(255, 255, 255, .1); }
.pr-index a.on { background: var(--hi); color: var(--on-hi); font-weight: 700; }
.pr-index a.on .n { color: var(--on-hi); }
.pr-index li[hidden] { display: none; }
.pr-index h2 { font-size: .8rem; font-family: var(--font-m); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }

.pr-list { display: grid; gap: var(--s6); min-width: 0; }
.pr { scroll-margin-top: calc(var(--hh) + 20px); }
.pr[hidden] { display: none; }
.pr-grid { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: var(--s5); align-items: start; }
.pr-side { text-align: center; }
.pr-side .detail { font-family: var(--font-m); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cy); display: block; margin-bottom: 6px; }
.pr-side .big { font-family: var(--font-h); font-weight: 700; font-size: 3.4rem; line-height: 1; color: var(--hi-ink); display: block; }
.pr-icon { width: 76px; height: 76px; margin: 12px auto 0; color: var(--ink); }
.pr-icon * { vector-effect: non-scaling-stroke; }
.pr h2 { font-size: clamp(1.45rem, 1.15rem + 1.3vw, 2.1rem); margin-bottom: var(--s3); }
.pr .rule { font-size: 1.12rem; line-height: 1.5; margin-bottom: var(--s4); max-width: 60ch; }
.pr-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s5); margin-top: var(--s4); }
.pr h3 { font-family: var(--font-m); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cy); margin-bottom: 8px; }
.pr-cols ul { padding-left: 1.1em; margin: 0; }
.pr-cols li { margin-bottom: 8px; }
.pr-foot { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s3); align-items: center; margin-top: var(--s4); padding-top: var(--s3); border-top: 1px dashed var(--line-soft); font-family: var(--font-m); font-size: .8rem; }
.pr-foot a { display: inline-flex; align-items: center; min-height: 40px; }
.pr-count { font-family: var(--font-m); font-size: .8rem; color: var(--ink-2); margin: var(--s3) 0 0; }

/* =========================================================
   CHECKLIST
   ========================================================= */
.ck-layout { display: grid; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); gap: clamp(20px, 3vw, 48px); align-items: start; padding-bottom: var(--s8); }
.ck-side { position: sticky; top: calc(var(--hh) + 20px); display: grid; gap: var(--s4); }
.pg { margin-bottom: var(--s4); }
.pg:last-child { margin-bottom: 0; }
.pg-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.pg-row .label { color: var(--ink); }
.pg-row .val { font-family: var(--font-h); font-weight: 700; font-size: 1.4rem; }
.pg .meter { height: 16px; }
.pg-sub { font-family: var(--font-m); font-size: .76rem; color: var(--ink-2); margin: 6px 0 0; }
.pg-big .val { font-size: 2.6rem; color: var(--hi-ink); line-height: 1; }
.pg-msg { font-size: .94rem; margin: var(--s3) 0 0; }
.ck-filter { display: flex; flex-wrap: wrap; gap: var(--s2); }
.ck-actions { display: grid; gap: var(--s2); }
.ck-actions .btn { width: 100%; }

.ck-group { margin-bottom: var(--s6); }
.ck-group > header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s3); }
.ck-group h2 { margin: 0; font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem); }
.ck-group .gcount { font-family: var(--font-m); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.ck-intro { color: var(--ink-2); max-width: 64ch; margin-bottom: var(--s4); }
.ck-list { list-style: none; margin: 0; padding: 0; border: 1.5px solid var(--ink); background: var(--bp-deep); box-shadow: var(--shadow-1); }
.ck { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s3); align-items: start; padding: 14px 16px; border-bottom: 1px solid var(--line-soft); }
.ck:last-child { border-bottom: 0; }
.ck[hidden] { display: none; }
.ck-main { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; align-items: start; }
.ck-box {
  appearance: none; -webkit-appearance: none;
  width: 40px; height: 40px; margin: 0; cursor: pointer;
  border: 2px solid var(--ink); border-radius: 3px; background: var(--bp-ink);
  display: grid; place-items: center;
}
.ck-box:hover { border-color: var(--hi); }
.ck-box:checked { background: var(--hi); border-color: var(--hi); }
.ck-box:checked::after { content: ""; width: 22px; height: 22px; background: var(--on-hi); clip-path: polygon(12% 52%, 0 66%, 38% 100%, 100% 20%, 86% 6%, 38% 72%); }
@keyframes tickin { from { transform: scale(.3); opacity: 0; } to { transform: none; opacity: 1; } }
.ck-box:disabled { cursor: not-allowed; border-style: dashed; border-color: var(--line); background: var(--bp-ink); }
.ck-txt { min-width: 0; }
.ck-txt label { display: block; cursor: pointer; min-height: 40px; padding-top: 6px; }
.ck-id { font-family: var(--font-m); font-size: .74rem; font-weight: 700; letter-spacing: .08em; color: var(--hi-ink); margin-right: 10px; }
.ck-title { font-family: var(--font-h); font-weight: 700; font-size: 1.04rem; line-height: 1.3; }
.ck-hint { margin: 4px 0 0; font-size: .92rem; color: var(--ink-2); max-width: 66ch; }
.ck-na {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  min-width: 56px; min-height: 44px; padding: 0 10px;
  background: transparent; color: var(--ink); border: 1.5px solid var(--line); border-radius: 3px;
  font-family: var(--font-m); font-size: .74rem; letter-spacing: .08em; font-weight: 700;
}
.ck-na:hover { background: rgba(255, 255, 255, .14); }
.ck-na[aria-pressed="true"] { background: var(--ink); color: var(--bp-deep); border-color: var(--ink); }
.ck.is-done { background: rgba(255, 211, 92, .07); }
.ck.is-done .ck-title { text-decoration: line-through; text-decoration-color: var(--hi); text-decoration-thickness: 2px; }
.ck.is-na { background: repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 8px, transparent 8px 16px); }
.ck.is-na .ck-title::after { content: " \00b7 not applicable"; font-family: var(--font-m); font-weight: 400; font-size: .76rem; color: var(--ink-2); letter-spacing: .04em; }
.ck-empty { padding: var(--s5); text-align: center; }
.ck-empty[hidden] { display: none; }
.confirm-row { display: grid; gap: var(--s2); }
.confirm-row[hidden] { display: none; }

/* =========================================================
   CONTACT
   ========================================================= */
.ct-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(20px, 3vw, 48px); align-items: start; padding-bottom: var(--s8); }
.field { margin-bottom: var(--s4); }
.field label, .field .lab { display: block; font-family: var(--font-m); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); margin-bottom: 6px; }
.field .opt-hint { color: var(--ink-2); text-transform: none; letter-spacing: 0; font-family: var(--font-b); font-size: .85rem; }
.field textarea { min-height: 180px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s4); }
.field-err { color: var(--risk); font-size: .9rem; margin: 6px 0 0; font-weight: 600; }
.field-err::before { content: "\26A0\00a0"; }
.field-err[hidden] { display: none; }
.counter { font-family: var(--font-m); font-size: .74rem; color: var(--ink-2); text-align: right; margin: 4px 0 0; }
.draft { background: var(--bp-ink); border: 1.5px solid var(--line); padding: var(--s4); font-family: var(--font-m); font-size: .84rem; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 var(--s4); color: var(--ink); max-height: 340px; overflow: auto; }
.draft[hidden], #draft-wrap[hidden] { display: none; }
.faq details { border-top: 1px solid var(--line-soft); padding: 0; }
.faq details:last-child { border-bottom: 1px solid var(--line-soft); }
.faq summary { cursor: pointer; min-height: 48px; display: flex; align-items: center; padding: 8px 0; font-family: var(--font-h); font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; font-family: var(--font-m); font-size: 1.3rem; color: var(--hi-ink); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 var(--s4); color: var(--ink); }
.ulist { margin: 0 0 var(--s4); padding-left: 1.2em; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--bp-deep); border-top: 2px solid var(--ink); margin-top: var(--s7); }
.ft-in { max-width: 1680px; margin: 0 auto; padding: var(--s6) clamp(16px, 3vw, 32px) var(--s5); display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--s5) var(--s6); }
.ft-in h2 { font-family: var(--font-m); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; font-weight: 400; }
.ft-brand strong { font-family: var(--font-h); font-size: 1.3rem; display: block; margin-bottom: 6px; }
.ft-brand p { margin: 0; color: var(--ink-2); font-size: .95rem; max-width: 40ch; }
.ft-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 var(--s4); }
.ft-nav li { margin: 0; }
.ft-nav a, .ft-mail a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-weight: 600; }
.ft-nav a:hover, .ft-mail a:hover { color: var(--hi-ink); }
.ft-mail a { font-family: var(--font-m); color: var(--cy); overflow-wrap: anywhere; }
.ft-note { grid-column: 1 / -1; margin: 0; padding-top: var(--s4); border-top: 1px solid var(--line-soft); font-size: .9rem; color: var(--ink); }
.ft-note span { display: block; margin-top: 4px; color: var(--ink-2); font-size: .85rem; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px) {
  .consts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pr-layout { grid-template-columns: minmax(0, 1fr); }
  .pr-index { position: static; }
  .pr-index ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pr-index li { border-right: 1px solid var(--line-soft); }
  .ck-layout { grid-template-columns: minmax(0, 1fr); }
  .ck-side { position: static; }
  .ck-side .ck-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s4); }
}

@media (max-width: 980px) {
  .hero-grid, .anat, .cta-sheet, .ct-grid { grid-template-columns: minmax(0, 1fr); }
  .honest, .method { grid-template-columns: minmax(0, 1fr); }
  .method li::after { display: none; }
  .wz { grid-template-columns: minmax(0, 1fr); }
  .wz-panel { position: static; height: auto; overflow: visible; border-right: 0; border-bottom: 2px solid var(--ink); box-shadow: 0 12px 24px -16px rgba(2, 12, 34, .9); }
  .wz-jump { display: inline-flex; }
  .ft-in { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 820px) {
  .js .menu-btn {
    display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 16px;
    background: transparent; color: var(--ink); border: 2px solid var(--ink); border-radius: 3px; cursor: pointer;
    font-family: var(--font-h); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  }
  .menu-btn .bars { width: 18px; height: 12px; background: linear-gradient(var(--ink), var(--ink)) 0 0 / 100% 2px no-repeat, linear-gradient(var(--ink), var(--ink)) 0 50% / 100% 2px no-repeat, linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 2px no-repeat; }
  .js .nav { display: none; width: 100%; order: 3; padding-bottom: 10px; }
  .js .nav.open { display: block; }
  .js .nav ul { flex-direction: column; border-top: 1px solid var(--line-soft); padding-top: 6px; }
  .js .nav a { width: 100%; }
  .nav ul { width: 100%; }
}

@media (max-width: 700px) {
  :root { --zgap: 8px; }
  .zx span, .zy span { font-size: 0; }
  .dsheet { padding: calc(var(--zgap) + 16px) calc(var(--zgap) + 14px); box-shadow: var(--shadow-1); }
  .tblock { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tblock > div:nth-child(4n) { border-right: 1px solid var(--line); }
  .tblock > div:nth-child(2n) { border-right: 0; }
  .tblock > div:nth-last-child(-n+4) { border-bottom: 1px solid var(--line); }
  .tblock > div:last-child, .tblock > div:nth-last-child(2):nth-child(odd) { border-bottom: 0; }
  .consts { grid-template-columns: minmax(0, 1fr); }
  .idx thead { display: none; }
  .idx, .idx tbody, .idx tr, .idx th, .idx td { display: block; width: 100%; }
  .idx tr { padding: 12px 6px; border-bottom: 1px solid var(--line-soft); }
  .idx th, .idx td { border: 0 !important; padding: 4px 12px; }
  .pr-grid { grid-template-columns: minmax(0, 1fr); gap: var(--s3); }
  .pr-side { display: flex; align-items: center; gap: 16px; text-align: left; }
  .pr-side .big { font-size: 2.6rem; }
  .pr-icon { margin: 0 0 0 auto; width: 56px; height: 56px; }
  .pr-cols { grid-template-columns: minmax(0, 1fr); }
  .pr-index ol { grid-template-columns: minmax(0, 1fr); }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .ck-side .ck-grid { grid-template-columns: minmax(0, 1fr); }
  .ck { grid-template-columns: minmax(0, 1fr); }
  .ck-na { justify-self: start; margin-left: 54px; }
  .risk { grid-template-columns: 62px minmax(0, 1fr); }
  .wz-panel { padding: var(--s4) var(--s4) var(--s5); }
  .wz-main { padding: 10px; }
  .build li { grid-template-columns: 44px minmax(0, 1fr); gap: 10px; }
  .build li::before { left: 21px; }
  .build .bn { width: 42px; }
}

@media (max-width: 400px) {
  .wz-step-btn { font-size: .56rem; letter-spacing: 0; }
  .brand-sub { display: none; }
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
  :root {
    --bp: #FFFFFF; --bp-deep: #FFFFFF; --bp-ink: #FFFFFF;
    --ink: #0A2A58; --ink-2: #2B4A75; --cy: #0E3A78; --hi: #FFD35C; --hi-ink: #6B4E00; --on-hi: #0A2A58;
    --risk: #8A1C10; --line: #0E3A78; --line-soft: #9DB1CF; --grid: transparent; --grid-soft: transparent;
    --shadow-1: none;
  }
  html, body { background: #fff !important; color: #0A2A58; font-size: 11pt; }
  body { background-image: none !important; display: block; }
  .site-header, .site-footer, .skip, .no-print, .wz-panel, .wz-jump, .menu-btn, .export .btn-row, .status, .pr-tools, .ck-actions, .ck-filter, .pr-index, .btn, .fchip { display: none !important; }
  .wz, .ck-layout, .pr-layout, .ct-grid { display: block !important; }
  .wz-main { padding: 0; }
  .dsheet { border: 2px solid #0A2A58; box-shadow: none; background: #fff; }
  .dsheet::before { border-color: #0A2A58; }
  .zones { display: block; }
  .rv { opacity: 1 !important; transform: none !important; }
  .dg-node rect { fill: #fff; }
  .meter, .meter > span { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .risk .sev, mark, .tag-hi, .sh-sec h3 .k { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .risk .sev { color: #0A2A58 !important; }
  .risk.s3 .sev { background: #F6B7AE; }
  .risk.s2 .sev { background: #FFD35C; }
  .risk.s1 .sev { background: #BFE5FF; }
  .export textarea { display: none; }
  .export::after { content: "Plain-text copy available on screen."; font-family: var(--font-m); font-size: 9pt; }
  .sh-sec { break-inside: avoid; }
  .ck-list { box-shadow: none; }
  .ck { break-inside: avoid; }
  .ck-box { print-color-adjust: exact; -webkit-print-color-adjust: exact; background: #fff; }
  .ck-box:checked { background: #FFD35C; }
  a { color: #0A2A58; }
}

/* =========================================================
   REDUCED MOTION — every animation and transition neutralised;
   final/static state is always shown.
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    animation-duration: 0s !important;
    animation-delay: 0s !important;
    transition: none !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
  .js .rv { opacity: 1 !important; transform: none !important; }
  .js .draw, .js .fade { animation: none !important; stroke-dasharray: none !important; stroke-dashoffset: 0 !important; opacity: 1 !important; }
  .btn:hover, .btn:active, .const:hover { transform: none !important; }
}
html.rm *, html.rm *::before, html.rm *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
html.rm .rv { opacity: 1 !important; transform: none !important; }
html.rm .draw, html.rm .fade { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; opacity: 1 !important; }

/* =========================================================
   SVG drawing helpers (shared by inline illustrations)
   ========================================================= */
.ln { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ln-c { stroke: var(--cy); }
.ln-h { stroke: var(--hi); }
.ln-t { stroke-width: 1.2; }
.ln-k { stroke-width: 5; }
.ln-d { stroke-dasharray: 6 5; }
.fl-h { fill: var(--hi); stroke: none; }
.fl-i { fill: var(--ink); stroke: none; }
.fl-c { fill: var(--cy); stroke: none; }
.fl-d { fill: var(--bp-deep); }
.sv-t { fill: var(--ink); font-family: var(--font-m); font-size: 12px; letter-spacing: .08em; }
.sv-t2 { fill: var(--ink-2); font-family: var(--font-m); font-size: 12px; letter-spacing: .06em; }
.sv-h { fill: var(--ink); font-family: var(--font-h); font-weight: 700; font-size: 18px; letter-spacing: .05em; }
.sv-c { fill: var(--cy); font-family: var(--font-m); font-size: 12px; letter-spacing: .1em; }
.sv-n { fill: var(--on-hi); font-family: var(--font-m); font-weight: 700; font-size: 13px; }
.mid { text-anchor: middle; }
@media print {
  .fl-d { fill: #fff; }
}

/* Deep-link target highlight */
.ck { scroll-margin-top: calc(var(--hh) + 20px); }
.ck:target { background: rgba(255, 211, 92, .16); box-shadow: inset 5px 0 0 var(--hi); }
.hero-sheet .sv-h { font-size: 15px; }