/* AO Surgeon — Banksy editorial */
:root {
  --ink: #0a0a0a;
  --paper: #f5f1e8;
  --paper-2: #ece6d6;
  --rule: #0a0a0a;
  --red: #d7201f;          /* spray red */
  --red-dark: #9a1716;
  --muted: #5a5651;
  --good: #2a6f3f;
  --warn: #c08a1d;
  --shadow: 4px 4px 0 0 var(--ink);
  --radius: 0;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(rgba(10,10,10,0.05) 1px, transparent 1px),
    radial-gradient(rgba(10,10,10,0.04) 1px, transparent 1px);
  background-size: 22px 22px, 22px 22px;
  background-position: 0 0, 11px 11px;
}

/* paper grain overlay */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
  opacity: 0.6;
  z-index: 1;
}
main, header, footer { position: relative; z-index: 2; }

h1,h2,h3,h4 { font-family: 'Archivo Black', 'Anton', 'Inter', sans-serif; font-weight: 900; letter-spacing: -0.01em; line-height: 1; margin: 0; }
.serif { font-family: 'IBM Plex Serif', 'Georgia', serif; font-weight: 400; font-style: italic; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.kicker { display: inline-block; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; padding: 4px 10px; background: var(--ink); color: var(--paper); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
header.site {
  border-bottom: 2px solid var(--ink);
  padding: 18px 0;
  background: var(--paper);
}
header.site .row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { display: block; }
.brand .name { font-family: 'Archivo Black', sans-serif; font-size: 20px; letter-spacing: -0.02em; }
.brand .tag { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
header .nav { display: flex; gap: 16px; font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
header .nav a { color: var(--ink); text-decoration: none; border-bottom: 2px solid transparent; padding-bottom: 2px; }
header .nav a:hover { border-color: var(--red); }

/* HERO */
.hero { padding: 64px 0 56px; border-bottom: 2px solid var(--ink); position: relative; overflow: hidden; }
.hero .grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(44px, 6.4vw, 84px); line-height: 0.95; max-width: 14ch; }
.hero h1 .strike { position: relative; display: inline-block; }
.hero h1 .strike::after {
  content: ""; position: absolute; left: -4px; right: -4px; top: 48%; height: 10px;
  background: var(--red); transform: rotate(-2deg) skewX(-12deg); z-index: -1;
}
.hero .lede { font-family: 'IBM Plex Serif', Georgia, serif; font-style: italic; font-size: 20px; line-height: 1.45; color: var(--ink); }
.hero .meta { margin-top: 28px; display: flex; gap: 18px; flex-wrap: wrap; font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hero .meta span::before { content: "—  "; }

.stencil {
  position: absolute; right: 20px; top: 24px; pointer-events: none; opacity: 0.92;
  transform: rotate(6deg);
}
.stencil .stamp {
  border: 4px solid var(--red); color: var(--red);
  padding: 6px 14px; font-family: 'Archivo Black', sans-serif; font-size: 22px;
  letter-spacing: 0.04em; text-transform: uppercase;
  box-shadow: inset 0 0 0 2px var(--red);
  width: max-content;
}
.stencil .stamp.small { display: block; font-size: 11px; padding: 3px 8px; margin-top: 6px; transform: rotate(-3deg); width: max-content; }

/* CTA buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 22px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink);
  cursor: pointer; box-shadow: var(--shadow); text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 0 var(--ink); }
.btn:active { transform: translate(0,0); box-shadow: 2px 2px 0 0 var(--ink); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.danger { background: var(--red); color: #fff; border-color: var(--red-dark); box-shadow: 4px 4px 0 0 var(--red-dark); }
.btn.ghost { box-shadow: none; }
.hero .cta-row { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }

/* SECTION */
section { padding: 56px 0; border-bottom: 2px solid var(--ink); }
section h2 { font-size: clamp(32px, 4vw, 48px); margin-bottom: 8px; }
section .sub { font-family: 'IBM Plex Serif', Georgia, serif; font-style: italic; color: var(--muted); margin-bottom: 32px; font-size: 18px; }

/* HOW IT WORKS */
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step {
  background: var(--paper-2); border: 2px solid var(--ink); padding: 24px;
  box-shadow: var(--shadow); position: relative;
}
.step .num { position: absolute; top: -18px; left: -18px; width: 44px; height: 44px;
  background: var(--red); color: #fff; border: 2px solid var(--ink);
  display: grid; place-items: center; font-family: 'Archivo Black', sans-serif; font-size: 20px;
  transform: rotate(-4deg); }
.step h3 { font-size: 20px; margin-bottom: 8px; }
.step p { margin: 0; font-size: 15px; color: var(--ink); }

/* ASSESSMENT */
.assessment { display: none; }
.assessment.active { display: block; }
.intro { display: block; }
.intro.hidden { display: none; }

.progress {
  position: sticky; top: 0; z-index: 10;
  background: var(--paper); border-bottom: 2px solid var(--ink);
  padding: 12px 0; margin: 0 -24px; padding-left: 24px; padding-right: 24px;
}
.progress .bar { height: 8px; background: var(--paper-2); border: 2px solid var(--ink); position: relative; overflow: hidden; }
.progress .bar > div { height: 100%; background: var(--red); width: 0%; transition: width .3s ease; }
.progress .meta { display: flex; justify-content: space-between; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }

.q-block {
  border: 2px solid var(--ink); background: var(--paper-2);
  padding: 28px; margin: 24px 0;
  box-shadow: var(--shadow);
}
.q-block .dim {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  border-bottom: 2px dashed var(--ink); padding-bottom: 10px; margin-bottom: 16px;
}
.q-block .dim h3 { font-size: 22px; }
.q-block .dim .sub { font-family: 'IBM Plex Serif', Georgia, serif; font-style: italic; color: var(--muted); font-size: 14px; margin: 0; }
.q-block .qid { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--muted); }

.question { padding: 18px 0; border-bottom: 1px dashed rgba(10,10,10,0.2); }
.question:last-child { border-bottom: 0; }
.question .text { font-size: 17px; margin-bottom: 14px; line-height: 1.4; }
.scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.scale label {
  border: 2px solid var(--ink); padding: 12px 8px; text-align: center;
  background: var(--paper); cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  transition: all .12s ease; user-select: none;
}
.scale label .num { display: block; font-family: 'Archivo Black', sans-serif; font-size: 22px; margin-bottom: 4px; }
.scale label:hover { background: var(--paper-2); }
.scale input { display: none; }
.scale input:checked + .lab { background: var(--ink); color: var(--paper); }
.scale .lab { display: block; padding: 12px 8px; border: 2px solid var(--ink); background: var(--paper); cursor: pointer; text-align: center; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; transition: all .12s ease; }
.scale .lab .num { display: block; font-family: 'Archivo Black', sans-serif; font-size: 22px; margin-bottom: 2px; }
.scale .lab:hover { background: var(--paper-2); }

.nav-row { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; }

/* RESULTS */
.results { display: none; }
.results.active { display: block; }

.verdict {
  border: 4px solid var(--ink); background: var(--paper-2);
  padding: 32px; box-shadow: 8px 8px 0 0 var(--ink);
  display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center;
}
.verdict .score { text-align: center; }
.verdict .score .num { font-family: 'Archivo Black', sans-serif; font-size: 96px; line-height: 0.9; }
.verdict .score .out { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--muted); }
.verdict .level-name { font-size: 48px; line-height: 0.95; }
.verdict .level-tag { display: inline-block; background: var(--red); color: #fff; padding: 4px 12px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px; }
.verdict .prescription { font-family: 'IBM Plex Serif', Georgia, serif; font-style: italic; font-size: 18px; line-height: 1.45; margin-top: 12px; }

.breakdown { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; }
.breakdown .panel { border: 2px solid var(--ink); padding: 24px; background: var(--paper); box-shadow: var(--shadow); }
.breakdown h3 { font-size: 22px; margin-bottom: 18px; }
.dim-row { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px dashed rgba(10,10,10,0.2); font-size: 14px; }
.dim-row:last-child { border-bottom: 0; }
.dim-row .name { font-weight: 500; }
.dim-row .meter { width: 120px; height: 10px; background: var(--paper-2); border: 1px solid var(--ink); position: relative; }
.dim-row .meter > div { height: 100%; background: var(--ink); }
.dim-row .val { font-family: 'JetBrains Mono', monospace; font-size: 13px; min-width: 40px; text-align: right; }
.dim-row.gap .val { color: var(--red); font-weight: 700; }
.dim-row.strength .val { color: var(--good); font-weight: 700; }
.dim-row.gap .meter > div { background: var(--red); }
.dim-row.strength .meter > div { background: var(--good); }

.gaps {
  margin-top: 40px; padding: 24px; border: 2px solid var(--ink); background: var(--paper-2);
  box-shadow: var(--shadow);
}
.gaps h3 { font-size: 22px; margin-bottom: 16px; }
.gaps ul { padding-left: 0; list-style: none; margin: 0; }
.gaps li { padding: 12px 16px; border-left: 6px solid var(--red); margin-bottom: 10px; background: var(--paper); }
.gaps li.ok { border-color: var(--good); }
.gaps li b { font-family: 'Archivo Black', sans-serif; font-weight: 900; }

.actions-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* FOOTER */
footer.site { padding: 36px 0; background: var(--ink); color: var(--paper); border-top: 4px solid var(--red); }
footer.site .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--paper); }
footer.site .small { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7; }

/* Utility */
.hidden { display: none !important; }
.center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 8px; }
.tag { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 10px; border: 2px solid var(--ink); background: var(--paper); }
.tag.dark { background: var(--ink); color: var(--paper); }

/* PDF-friendly print */
@media print {
  body::before { display: none; }
  body { background: #fff; color: #000; }
  header.site, footer.site, .nav-row, .actions-row, .progress, .stencil { display: none !important; }
  section { page-break-inside: avoid; border: 0; }
  .verdict, .breakdown .panel, .gaps, .q-block { box-shadow: none; }
}

/* Mobile */
@media (max-width: 800px) {
  .hero .grid { grid-template-columns: 1fr; gap: 24px; }
  .stencil { display: none; }
  .how { grid-template-columns: 1fr; }
  .breakdown { grid-template-columns: 1fr; }
  .verdict { grid-template-columns: 1fr; text-align: center; }
  .scale { grid-template-columns: repeat(5, 1fr); gap: 4px; }
  .scale .lab { padding: 10px 4px; font-size: 9px; }
  .scale .lab .num { font-size: 18px; }
  header .nav { display: none; }
}