/* Altamont Advisory product tokens
   Share with /products/merl-diagnostic/
   Off-white paper · deep ink · bronze accent · IBM Plex Sans + Source Serif 4 */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-latinext.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-latinext.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-italic.woff2") format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Shared with /products/merl-diagnostic/ */
  --paper: #f3efe4;
  --paper-2: #eae4d4;
  --raised: #faf7ef;
  --ink: #1b1914;
  --ink-2: #2e2a22;
  --muted: #6a6458;
  --hair: #cfc6b0;
  --bronze: #8a6734;
  --bronze-soft: #b08950;
  --forest: #24352c;
  --risk: #7a2e24;
  --serif: "Source Serif 4", "Iowan Old Style", Palatino, "Times New Roman", serif;
  --sans: "IBM Plex Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --bg: var(--paper);
  --bg-2: var(--paper-2);
  --line: var(--hair);
  --line-strong: #b7ae9c;
  --faint: var(--muted);
  --bronze-hover: var(--forest);
  --bronze-wash: rgba(138, 103, 52, 0.14);
  --ok: var(--forest);
  --ok-wash: rgba(36, 53, 44, 0.09);
  --warn: var(--risk);
  --warn-wash: rgba(122, 46, 36, 0.09);
  --info: var(--ink-2);
  --info-wash: rgba(46, 42, 34, 0.07);
  --font-sans: var(--sans);
  --font-serif: var(--serif);
  --max: 1080px;
  --radius: 0;
  --shadow: 0 1px 0 rgba(27, 25, 20, 0.04);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--bronze); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bronze-hover); }
h1, h2, h3, .serif { font-family: var(--font-serif); font-weight: 600; letter-spacing: -0.015em; color: var(--ink); }
p { margin: 0 0 0.85em; }
p:last-child { margin-bottom: 0; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { left: 8px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--raised);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 12px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.mark {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  background: var(--forest);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
}
.brand-name {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-sans);
  line-height: 1.2;
}
.brand-name span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  margin-top: 2px;
}
.header-meta {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: right;
}

/* Hero */
.hero { padding: 48px 0 12px; }
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: 0 0 12px;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 18ch;
}
.lead {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 62ch;
  margin-bottom: 0;
}
.hero-note {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--muted);
  max-width: 68ch;
}

/* Form */
.brief {
  background: var(--raised);
  border: 1px solid var(--line);
  padding: 28px 28px 24px;
  margin: 28px 0 48px;
  box-shadow: var(--shadow);
}
.brief h2 {
  font-size: 22px;
  margin: 0 0 6px;
}
.brief-intro { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  align-items: start;
}
.grid .span-2 { grid-column: 1 / -1; }
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
  align-items: end;
}
.pair .field { min-width: 0; }
label.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
label.field .field-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-height: 1.4em;
}
label.field input[type="text"],
label.field select {
  min-height: 44px;
}
label.field input[type="file"] {
  font: inherit;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
}
label.field .hint {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--faint);
  font-size: 12.5px;
}
input[type="text"], select, textarea {
  font: inherit;
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  width: 100%;
}
textarea { min-height: 108px; resize: vertical; line-height: 1.45; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--bronze-soft);
  outline-offset: 1px;
  border-color: var(--bronze);
  background: #fff;
}
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 7px 12px;
  cursor: pointer;
  user-select: none;
}
.pill:has(input:checked) {
  background: var(--bronze-wash);
  border-color: var(--bronze);
  color: var(--ink);
}
.pill input { accent-color: var(--bronze); }
.criteria {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.criteria .pill { width: 100%; }
.criteria .pill em {
  font-style: normal;
  color: var(--bronze);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: auto;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.btn {
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 10px 16px;
  cursor: pointer;
  border-radius: var(--radius);
}
.btn:hover { background: var(--forest); }
.btn-bronze {
  background: var(--bronze);
  border-color: var(--bronze);
  color: #fff;
}
.btn-bronze:hover { background: var(--bronze-hover); border-color: var(--bronze-hover); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ink); background: var(--bg); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.form-error {
  color: var(--warn);
  font-size: 13.5px;
  margin-top: 10px;
  display: none;
}
.form-error.show { display: block; }

/* Output */
.output { margin-bottom: 64px; }
.summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.summary-bar strong { color: var(--ink); font-weight: 600; }

.notes { display: grid; gap: 10px; margin: 0 0 28px; }
.note {
  border: 1px solid var(--line);
  background: var(--raised);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: start;
}
.note-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 3px;
}
.note.warn { border-left: 3px solid var(--warn); }
.note.warn .note-tag { color: var(--warn); }
.note.info { border-left: 3px solid var(--info); }
.note.info .note-tag { color: var(--info); }
.note.ok { border-left: 3px solid var(--ok); }
.note.ok .note-tag { color: var(--ok); }
.note h3 { font-size: 15px; margin: 0 0 4px; font-family: var(--font-sans); letter-spacing: 0; font-weight: 650; }
.note p { font-size: 14px; color: var(--ink-2); }

.matrix-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 8px 0 12px;
}
.matrix-head h2 { font-size: 24px; margin: 0; }
.matrix-head p { font-size: 13.5px; color: var(--muted); }

.row-card {
  background: var(--raised);
  border: 1px solid var(--line);
  margin-bottom: 12px;
  padding: 16px 16px 14px;
}
.row-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-bottom: 10px;
}
.badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 4px 8px;
}
.badge.id { background: var(--bronze); }
.when-select, .crit-select {
  font: inherit;
  font-size: 12.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 4px 8px;
}
.row-q label, .pair label, .row-meta label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 4px;
}
.row-q textarea { min-height: 72px; background: #fff; }
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}
.pair textarea { min-height: 70px; background: #fff; }
.row-meta {
  display: grid;
  grid-template-columns: 1.3fr 1fr auto;
  gap: 12px;
  margin-top: 10px;
  align-items: end;
}
.row-meta input { background: #fff; }
.row-remove {
  font: inherit;
  font-size: 12.5px;
  color: var(--warn);
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 10px;
  cursor: pointer;
}
.row-remove:hover { border-color: var(--warn); }

.export-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 28px;
}
.methods-spine {
  font-size: 13.5px;
  color: var(--ink-2);
  background: var(--bg-2);
  border-left: 3px solid var(--bronze);
  padding: 12px 16px;
  margin: 8px 0 24px;
}

/* CTA */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}
.cta {
  border: 1px solid var(--line);
  background: var(--raised);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}
.cta:hover { border-color: var(--bronze); }
.cta h3 {
  font-size: 20px;
  margin: 0;
}
.cta p { font-size: 14px; color: var(--ink-2); flex: 1; }
.cta .go {
  font-size: 13px;
  font-weight: 650;
  color: var(--bronze);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.add-row { margin: 4px 0 8px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
.site-footer a { color: var(--ink-2); }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 30;
}
.toast.show { opacity: 1; }

.print-only { display: none; }

@media (max-width: 820px) {
  .grid, .pair, .cta-grid, .row-meta, .note { grid-template-columns: 1fr; }
  .header-meta { display: none; }
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .brief { padding: 20px 16px; }
  .hero { padding-top: 32px; }
}

@media print {
  @page { margin: 14mm 12mm; }
  body { background: #fff; color: #111; font-size: 11pt; }
  .skip, .site-header, .hero, .brief, .export-row, .cta-grid, .add-row, .row-remove,
  .site-footer, .toast, .btn, .when-select, .crit-select { display: none !important; }
  .print-only { display: block !important; }
  .screen-only { display: none !important; }
  .wrap { width: 100%; }
  a { color: inherit; text-decoration: none; }
  .output { margin: 0; }
  .print-title { font-family: var(--font-serif); font-size: 18pt; margin: 0 0 4pt; }
  .print-sub { font-size: 9pt; color: #444; margin-bottom: 10pt; }
  table.matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 8.5pt;
    line-height: 1.35;
  }
  table.matrix th, table.matrix td {
    border: 1px solid #bbb;
    padding: 5px 6px;
    vertical-align: top;
    text-align: left;
  }
  table.matrix th {
    background: #f3efe6;
    font-size: 7.5pt;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .notes { break-inside: avoid; }
  .note { break-inside: avoid; border: 1px solid #ccc; }
}

.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;align-items:start}
.price{margin:10px 0 16px}
.above-fold{margin:18px 0 8px;padding:16px 18px;border-left:3px solid var(--bronze);background:var(--paper-2);max-width:40em}
.above-fold .pdp-line{margin:0 0 10px;font-size:1.02rem;color:var(--ink-2);letter-spacing:0;text-transform:none}
.above-fold .pdp-line:last-child{margin-bottom:0}
label.field .req{color:var(--bronze);font-weight:600;letter-spacing:0.04em;text-transform:uppercase}
.price-num{font-family:var(--serif);font-size:2.1rem;letter-spacing:-0.03em}
.price-sub{color:var(--muted);margin-left:8px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.product-shot{margin:0;border:1px solid var(--hair);background:var(--raised)}
.product-shot img{display:block;width:100%;height:auto}
.product-shot figcaption{padding:10px 12px;font-size:0.82rem;color:var(--muted)}
.deep{margin-top:36px}
.deep h2{font-family:var(--serif);font-size:1.25rem;margin:22px 0 8px}
.deep p{max-width:42em;color:var(--ink-2)}
.accept-box{margin-top:22px;padding:16px 18px;border:1px solid var(--ink);background:var(--raised)}
.accept-box label{display:flex;gap:10px;align-items:flex-start}
.accept-why{font-size:0.88rem;color:var(--muted);margin:8px 0 0}
.fine{font-size:0.8rem;color:var(--muted);margin-top:12px}
.btn:disabled{opacity:0.45;cursor:not-allowed}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}

form.brief.wrap, section.output.wrap{
  width:min(720px,calc(100% - 48px));
  margin-left:auto;
  margin-right:auto;
}
form.brief.wrap{padding:36px 40px 32px}