/* PYROLOG by Multitek — design system */
:root {
  --blue-deep: #0b1f33;
  --blue-slate: #16324a;
  --blue-mid: #1e4a6e;
  --blue-soft: #2a5f85;
  --charcoal: #1a1d21;
  --ink: #12151a;
  --ember: #b84e1c;
  --ember-hot: #96380e;
  --ember-visual: #e87a35;
  --ember-soft: #f0a06a;
  --surface: #f4f1ec;
  --surface-2: #ebe6df;
  --white: #ffffff;
  --border: #d5d0c8;
  --border-strong: #b8b2a8;
  --muted: #5c6570;
  --ok: #2f6b4f;
  --fault: #b33a2b;
  --shadow: 0 12px 40px rgba(11, 31, 51, 0.12);
  --radius: 6px;
  --max: 1120px;
  --header-h: 72px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", "Consolas", "Courier New", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-mid); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--ember); }
:focus-visible {
  outline: 3px solid var(--ember);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ember);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 31, 51, 0.96);
  backdrop-filter: blur(10px);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #fff;
  line-height: 1.1;
}
.brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.brand-by {
  font-size: 0.75rem;
  opacity: 0.75;
  letter-spacing: 0.02em;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.1rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.35rem 0;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: #fff; }
.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--ember);
}
.nav-cta {
  background: var(--ember-hot) !important;
  color: #fff !important;
  padding: 0.55rem 0.95rem !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
  box-shadow: none !important;
}
.nav-cta:hover { background: #712a08 !important; }

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; }
  .site-nav {
    width: 100%;
    background: var(--blue-deep);
    flex-direction: column;
    align-items: stretch;
    padding: 0 0 0.75rem;
    gap: 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .site-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-cta { text-align: center; margin-top: 0.5rem; }
}
@media (max-width: 860px) and (scripting: enabled) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    padding: 0.75rem 1rem 1.25rem;
  }
  .site-nav.is-open { display: flex; }
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: grid;
  align-items: end;
  color: #fff;
  background:
    linear-gradient(160deg, rgba(11,31,51,0.55) 0%, rgba(11,31,51,0.82) 55%, rgba(11,31,51,0.94) 100%),
    linear-gradient(120deg, #0b1f33 0%, #1e4a6e 45%, #3a2a1a 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(212,101,42,0.28), transparent 60%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 18px,
      rgba(255,255,255,0.02) 18px,
      rgba(255,255,255,0.02) 19px
    );
  pointer-events: none;
}
.hero-grid-visual {
  position: absolute;
  right: -5%;
  top: 8%;
  width: min(52vw, 560px);
  opacity: 0.55;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0 4rem;
}
.hero-brand {
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 0.15rem;
  line-height: 1;
}
.hero-by {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  opacity: 0.8;
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 600;
  max-width: 18ch;
  line-height: 1.2;
}
.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 42ch;
  font-size: 1.08rem;
  opacity: 0.9;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn-primary {
  background: var(--ember-hot);
  color: #fff;
}
.btn-primary:hover { background: #712a08; color: #fff; }
.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.btn-secondary:hover { border-color: #fff; color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--blue-mid);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }
.btn-block { width: 100%; }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--white); }
.section-dark {
  background: var(--blue-deep);
  color: #fff;
}
.section-dark a { color: var(--ember-soft); }
.section-dark .btn-primary { color: #fff; }
.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember-hot);
  margin: 0 0 0.6rem;
}
.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.55rem, 2.8vw, 2rem);
  line-height: 1.2;
  max-width: 28ch;
}
.section-lead {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: 58ch;
}
.section-dark .section-lead { color: rgba(255,255,255,0.75); }

/* Capability map */
.capability-map {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  justify-content: flex-start;
}
.cap-step {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--blue-slate);
}
.cap-arrow {
  color: var(--ember);
  font-weight: 700;
  opacity: 0.7;
}
.cap-extras {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.cap-extras span {
  font-size: 0.85rem;
  color: var(--muted);
  border-left: 2px solid var(--ember);
  padding-left: 0.55rem;
}

/* Cards / grids — interactive or content blocks only when needed */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.panel-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.panel-link:hover {
  border-color: var(--blue-soft);
  box-shadow: var(--shadow);
  color: inherit;
}
.panel h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
  color: var(--blue-deep);
}
.panel p { margin: 0; color: var(--muted); font-size: 0.98rem; }
.panel .meta {
  margin-top: 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ember);
}

.scenario-list {
  display: grid;
  gap: 0.75rem;
}
.scenario {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.scenario:last-child { border-bottom: 0; }
.scenario-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ember);
  background: rgba(212,101,42,0.1);
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
  white-space: nowrap;
}
.scenario p { margin: 0; }

/* Report mock */
.report-mock {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.report-head {
  background: var(--blue-deep);
  color: #fff;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.report-head strong { letter-spacing: 0.06em; }
.report-body { padding: 1.25rem; }
.report-sheet { border-radius: 4px; }
.report-subtitle { font-size: 0.8rem; opacity: 0.8; }
.report-doc-id { text-align: right; font-family: var(--mono); font-size: 0.74rem; }
.report-doc-id span { display: block; opacity: 0.7; }
.report-doc-id b { font-size: 0.86rem; }
.report-illustrative {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.72rem;
}
.report-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.report-meta dt { color: var(--muted); font-size: 0.75rem; }
.report-meta dd { margin: 0.15rem 0 0; font-family: var(--mono); font-weight: 600; }
.report-chart-wrap { border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.report-chart-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.7rem;
  background: var(--surface-alt);
  font-size: 0.72rem;
}
.report-chart-head span { color: var(--muted); }
.report-chart { display: block; width: 100%; height: auto; }
.report-grid-lower {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.report-table { width: 100%; border-collapse: collapse; font-size: 0.7rem; }
.report-table caption { padding: 0 0 0.35rem; text-align: left; font-weight: 700; }
.report-table th, .report-table td { padding: 0.38rem; border: 1px solid var(--border); text-align: right; }
.report-table th:first-child { text-align: left; }
.report-events { padding: 0.55rem 0.65rem; border: 1px solid var(--border); font-size: 0.7rem; }
.report-events p { margin: 0.3rem 0 0; }
.report-events time { display: inline-block; min-width: 3.2rem; font-family: var(--mono); color: var(--muted); }
.report-approval {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
}
.report-approval small { display: block; margin-bottom: 0.2rem; color: var(--muted); }
.report-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.7rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.64rem;
}
@media (max-width: 700px) {
  .report-meta { grid-template-columns: 1fr 1fr; }
  .report-grid-lower { grid-template-columns: 1fr; }
  .report-approval { grid-template-columns: 1fr; }
  .report-chart-head { display: block; }
  .report-chart-head span { display: block; margin-top: 0.2rem; }
}
.chart-bars {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.35rem;
  align-items: end;
  height: 140px;
  margin: 1rem 0;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.chart-bars span {
  background: linear-gradient(180deg, var(--ember-visual), var(--blue-mid));
  border-radius: 3px 3px 0 0;
  min-height: 20%;
}
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.stats-row b { color: var(--blue-deep); }

/* Page hero (inner) */
.page-hero {
  background: linear-gradient(145deg, var(--blue-deep), var(--blue-mid));
  color: #fff;
  padding: 3.25rem 0 2.75rem;
}
.page-hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
}
.page-hero p {
  margin: 0;
  max-width: 52ch;
  opacity: 0.88;
}

/* Tables */
.tech-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--white);
}
.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}
.tech-table th,
.tech-table td {
  border: 1px solid var(--border);
  padding: 0.65rem 0.8rem;
  text-align: left;
  vertical-align: top;
}
.tech-table th {
  background: var(--blue-deep);
  color: #fff;
  font-weight: 600;
}
.tech-table tr:nth-child(even) td { background: var(--surface); }
.mono { font-family: var(--mono); }

/* Forms / RFQ */
.form-stack { display: grid; gap: 1.1rem; }
.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}
.option-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.option-field legend {
  width: 100%;
  padding: 0;
  margin-bottom: 0.45rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.field .hint {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 0.25rem;
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="file"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font: inherit;
  background: var(--white);
  min-height: 48px;
}
.field textarea { min-height: 110px; resize: vertical; }
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
}
.option-card {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--white);
  padding: 0.95rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.option-card:hover { border-color: var(--blue-soft); }
.option-card:has(input:checked) {
  border-color: var(--ember);
  box-shadow: 0 0 0 2px rgba(212,101,42,0.25);
}
.option-card:has(input:focus-visible) {
  outline: 3px solid var(--ember);
  outline-offset: 2px;
}
.option-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.option-card strong { display: block; color: var(--blue-deep); }
.option-card span { display: block; color: var(--muted); font-size: 0.88rem; margin-top: 0.25rem; }
.recommend {
  margin-top: 0.5rem;
  padding: 0.65rem 0.8rem;
  background: rgba(47,107,79,0.08);
  border-left: 3px solid var(--ok);
  font-size: 0.9rem;
}
.rfq-shell {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 860px) {
  .rfq-shell { grid-template-columns: 1fr; }
}
.rfq-progress {
  font-size: 0.9rem;
  color: var(--muted);
}
.rfq-summary {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}
.summary-list {
  display: grid;
  gap: 0;
  margin: 0;
}
.summary-list > div {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}
.summary-list > div:last-child { border-bottom: 0; }
.summary-list dt {
  color: var(--muted);
  font-size: 0.78rem;
}
.summary-list dd {
  margin: 0.15rem 0 0;
  overflow-wrap: anywhere;
}
.form-error {
  margin: 0.45rem 0 0;
  color: var(--fault);
  font-size: 0.9rem;
  font-weight: 600;
}
.status-banner {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--fault);
  background: rgba(179,58,43,0.08);
}
.rfq-screen[hidden] { display: none !important; }
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--blue-deep);
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.trust-strip strong { letter-spacing: 0.05em; }
.trust-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.5rem;
  padding: 0;
  list-style: none;
}
.trust-logo-grid li {
  min-height: 108px;
  margin: 0;
  padding: 1rem;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.trust-logo-grid img {
  width: 100%;
  height: 72px;
  object-fit: contain;
}
@media (max-width: 900px) {
  .trust-logo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 540px) {
  .trust-logo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Tools */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 860px) {
  .tool-layout { grid-template-columns: 1fr; }
}
.tool-result {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
}
.tool-result h3 { margin-top: 0; }
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.assumptions {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.assumptions ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }

/* Knowledge */
.article-body {
  max-width: 72ch;
}
.article-body h2 { margin-top: 2rem; }
.article-body h3 { margin-top: 1.5rem; }
.article-body p,
.article-body li { max-width: 72ch; }
.article-body li + li { margin-top: 0.35rem; }
.quick-answer {
  margin: 0 0 2rem;
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--ember);
  background: var(--white);
}
.source-list {
  font-size: 0.9rem;
  color: var(--muted);
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.72);
}
.breadcrumbs a { color: inherit; text-underline-offset: 0.18em; }
.article-meta {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.article-diagram {
  margin: 1.75rem 0;
  padding: 1rem;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.article-diagram svg {
  display: block;
  width: 100%;
  min-width: 600px;
  height: auto;
}
.article-body figure > figcaption {
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}
.article-report-preview { margin-top: 1rem; }
.next-steps {
  margin-top: 2.5rem;
  padding: 1.25rem;
  background: var(--surface-2);
  border-radius: var(--radius);
}
.next-steps ul { margin: 0.5rem 0 0; padding-left: 1.2rem; }

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.82);
  padding: 3rem 0 2rem;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.site-footer a { color: rgba(255,255,255,0.88); text-decoration: none; }
.site-footer a:hover { color: var(--ember-soft); }
.site-footer h3 {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.4rem; }
.footer-brand .brand-name { color: #fff; }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

/* Utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.text-muted { color: var(--muted); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}
.stack-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
@media (max-width: 860px) {
  .stack-split { grid-template-columns: 1fr; }
}
.badge-illust {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.callout {
  border-left: 3px solid var(--ember);
  padding: 0.75rem 0 0.75rem 1rem;
  margin: 1.25rem 0;
}
.prose-narrow { max-width: 62ch; }

@media print {
  .site-header, .site-footer, .nav-toggle, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .tool-result, .panel, .report-mock { box-shadow: none; border-color: #999; }
  a { color: inherit; text-decoration: none; }
  .tool-layout::before {
    content: "PYROLOG by Multitek — Engineering calculation generated using Pyrolog Tools";
    display: block;
    grid-column: 1 / -1;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #333;
    font-weight: 700;
  }
}