/* ============================================================
   BERNALO — Design tokens
   Palette and type chosen to read like operational tooling —
   status panels, incident timelines, monospace timestamps —
   rather than a generic marketing site.
   ============================================================ */

:root {
  /* Colour */
  --ink: #14181C;           /* primary text */
  --ink-soft: #3B4148;      /* secondary text */
  --muted: #6B7480;         /* tertiary / captions */
  --paper: #F2F4F5;         /* page background — cool, not cream */
  --paper-raised: #FFFFFF;  /* cards / raised surfaces */
  --line: #DBDFE2;          /* hairlines, dividers */
  --line-strong: #B9C0C6;

  --signal: #1D4E89;        /* primary accent — links, CTAs, active states */
  --signal-dark: #123661;
  --signal-tint: #E7EEF6;

  --caution: #B9740F;       /* used sparingly — timeline markers, tags */
  --caution-tint: #F7EDDC;

  --stable: #2B7A63;        /* used sparingly — "nominal" / resolved states */
  --stable-tint: #E4F1EC;

  /* Type */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;

  /* Scale */
  --step-1: clamp(0.85rem, 0.8rem + 0.2vw, 0.95rem);
  --step0: 1rem;
  --step1: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  --step2: clamp(1.4rem, 1.2rem + 0.8vw, 1.8rem);
  --step3: clamp(2rem, 1.6rem + 1.6vw, 2.8rem);
  --step4: clamp(2.8rem, 2.1rem + 3vw, 4.4rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 7rem;

  --radius: 3px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--signal);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--step4); }
h2 { font-size: var(--step3); }
h3 { font-size: var(--step2); }
h4 { font-size: var(--step1); }

p { margin: 0 0 var(--space-2); color: var(--ink-soft); }
p.lede { font-size: var(--step1); color: var(--ink); max-width: 46ch; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.02em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

section { padding: var(--space-6) 0; }
section + section { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  display: block;
  margin-bottom: var(--space-1);
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(242, 244, 245, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.wordmark:hover { text-decoration: none; }

.wordmark .mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}

.site-nav ul {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--ink-soft);
  font-size: var(--step-1);
  font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--signal);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) var(--space-3) var(--space-3);
  }
  .site-nav li { border-bottom: 1px solid var(--line); }
  .site-nav a { display: block; padding: 0.9rem 0; }
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step-1);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--signal);
  color: #fff;
}
.btn-primary:hover { background: var(--signal-dark); }

.btn-secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-secondary:hover { border-color: var(--ink); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------------- Hero ---------------- */

.hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
}

.hero .eyebrow { color: var(--signal); }

.hero h1 { max-width: 16ch; }

.hero .lede { margin-top: var(--space-2); }

.pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-3) 0 var(--space-4);
}

.pillar {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-soft);
}

/* ---------------- Status / credibility panel ----------------
   Styled like an operational status panel: each row is a
   claim you can verify, not just a bullet point. */

.status-panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.status-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 1rem var(--space-3);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: var(--step-1);
}
.status-row:last-child { border-bottom: none; }

.status-row .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stable);
  flex: none;
}

.status-row .label { flex: 1; font-weight: 500; }

.status-row .go {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: var(--step-1);
}

a.status-row-link {
  display: flex;
  color: inherit;
  text-decoration: none;
}
a.status-row-link:hover { background: var(--signal-tint); }
a.status-row-link:hover .go { color: var(--signal); }

/* ---------------- Timeline (About page) ---------------- */

.timeline {
  position: relative;
  margin-top: var(--space-4);
  padding-left: var(--space-4);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-strong);
}

.timeline-entry {
  position: relative;
  padding-bottom: var(--space-5);
}
.timeline-entry:last-child { padding-bottom: 0; }

.timeline-entry::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-4) + 2px);
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--signal);
}

.timeline-entry:last-child::before {
  background: var(--stable);
  border-color: var(--stable);
}

.timeline-entry .stage {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.35rem;
}

.timeline-entry:last-child .stage { color: var(--stable); }

.timeline-entry h3 { margin-bottom: 0.5rem; }
.timeline-entry p { max-width: 60ch; }

/* ---------------- Expertise sections ---------------- */

.expertise-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

@media (min-width: 860px) {
  .expertise-block {
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-5);
  }
}

.expertise-block .index {
  font-family: var(--font-mono);
  font-size: var(--step2);
  color: var(--line-strong);
}

.expertise-block h3 { margin-top: 0.25rem; }

.focus-list {
  list-style: none;
  margin: var(--space-2) 0 var(--space-3);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.focus-list li {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--muted);
  padding: 0.3rem 0.65rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.proof-links {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--line-strong);
}

.proof-links .caption {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.5rem;
}

.proof-links a {
  display: inline-block;
  margin-right: var(--space-3);
  font-weight: 600;
}

/* ---------------- Resources ---------------- */

.resource-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-4);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.filter-btn[aria-pressed="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.resource-group h2 { margin-bottom: 0.25rem; }
.resource-group .group-note { color: var(--muted); margin-bottom: var(--space-3); max-width: 60ch; }

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.resource-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.resource-card .kind {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.resource-card h3 { font-size: var(--step1); margin: 0; }
.resource-card p { font-size: var(--step-1); margin: 0; flex: 1; }

.resource-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.resource-card .tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.resource-card .card-link {
  font-weight: 600;
  font-size: var(--step-1);
}

.resource-card.is-hidden { display: none; }

.empty-state {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  padding: var(--space-3) 0;
}

.status-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}
.status-tag.available { background: var(--stable-tint); color: var(--stable); }
.status-tag.soon { background: var(--caution-tint); color: var(--caution); }

/* ---------------- Contact ---------------- */

.contact-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-form {
  display: grid;
  gap: var(--space-2);
}

.contact-form label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: block;
  margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--step0);
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-tint);
}

.contact-links {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem var(--space-2);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 600;
}
.contact-links a:hover {
  border-color: var(--signal);
  text-decoration: none;
}
.contact-links a .go { color: var(--muted); font-family: var(--font-mono); font-weight: 400; font-size: var(--step-1); }

.form-note {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--muted);
  margin-top: var(--space-1);
}

/* ---------------- Contact ---------------- */

.contact-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-form {
  display: grid;
  gap: var(--space-2);
}

.contact-form label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: block;
  margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--step0);
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-tint);
}

.contact-links {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem var(--space-2);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 600;
}
.contact-links a:hover {
  border-color: var(--signal);
  text-decoration: none;
}
.contact-links a .go { color: var(--muted); font-family: var(--font-mono); font-weight: 400; font-size: var(--step-1); }

.contact-links .contact-link-pending {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem var(--space-2);
  background: transparent;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 600;
}

.form-note {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--muted);
  margin-top: var(--space-1);
}

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-5) 0 var(--space-3);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: var(--space-2);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-col a { color: var(--ink-soft); }
.footer-col a:hover { color: var(--signal); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--muted);
}

/* ---------------- Generic page header (About / Expertise / Resources / Contact) ---------------- */

.page-hero {
  padding: var(--space-5) 0 var(--space-4);
}

.page-hero h1 { max-width: 20ch; }

/* ---------------- Utility ---------------- */

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* ============================================================
   BERNALO KNOWLEDGE PLATFORM
   ============================================================ */

.knowledge-hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
}

.knowledge-hero .eyebrow { color: var(--signal); }
.knowledge-hero h1 { max-width: 13ch; }
.knowledge-hero .lede { max-width: 58ch; }

.knowledge-hero-grid {
  display: grid;
  gap: var(--space-5);
  align-items: end;
}

@media (min-width: 900px) {
  .knowledge-hero-grid { grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr); }
}

.knowledge-hero-actions { margin-top: var(--space-3); }

.knowledge-status {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(20, 24, 28, 0.12);
}

.knowledge-status-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: 1rem var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}

.knowledge-status-head .mono { color: rgba(255,255,255,0.7); }

.knowledge-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.knowledge-stat-grid > div {
  min-height: 112px;
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.knowledge-stat-grid > div:nth-child(2n) { border-right: 0; }
.knowledge-stat-grid > div:nth-last-child(-n+2) { border-bottom: 0; }

.knowledge-stat-grid strong {
  font-family: var(--font-display);
  font-size: var(--step2);
  line-height: 1;
  margin-bottom: 0.55rem;
}

.knowledge-stat-grid span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: rgba(255,255,255,0.64);
}

.section-heading-row,
.library-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.group-note { max-width: 62ch; color: var(--muted); }

.domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-3);
}

.domain-card {
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line-strong);
  padding: var(--space-3);
  min-height: 390px;
  display: flex;
  flex-direction: column;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.domain-card:hover,
.domain-card.is-active {
  transform: translateY(-3px);
  border-color: var(--signal);
  border-top-color: var(--signal);
  box-shadow: 0 16px 36px rgba(20, 24, 28, 0.08);
}

.domain-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.domain-index {
  font-family: var(--font-mono);
  font-size: var(--step2);
  color: var(--line-strong);
}

.domain-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.domain-card h3 { font-size: var(--step2); }
.domain-card > p { font-size: var(--step-1); }

.domain-focus {
  list-style: none;
  padding: var(--space-2) 0 0;
  margin: auto 0 var(--space-3);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
}

.domain-focus li {
  position: relative;
  padding-left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.domain-focus li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
  position: absolute;
  left: 0;
  top: 0.58em;
}

.domain-link {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--signal);
  font-family: var(--font-body);
  font-size: var(--step-1);
  font-weight: 600;
  cursor: pointer;
}

.domain-link:hover { text-decoration: underline; }

.featured-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.featured-resource-card {
  border-top: 3px solid var(--signal);
  min-height: 330px;
}

.resource-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.resource-meta {
  padding-top: var(--space-2);
  margin-top: var(--space-1);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.resource-card .card-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-1);
}

.resource-card .card-link.is-disabled {
  color: var(--muted);
  cursor: default;
  pointer-events: none;
}

.knowledge-resource-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.domain-library-section { scroll-margin-top: 72px; }

.knowledge-principles { background: var(--ink); color: #fff; }
.knowledge-principles .eyebrow { color: rgba(255,255,255,0.55); }
.knowledge-principles h2 { color: #fff; }

.principle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.principle-grid article {
  border-top: 1px solid rgba(255,255,255,0.22);
  padding-top: var(--space-3);
}

.principle-index {
  display: block;
  font-family: var(--font-mono);
  color: rgba(255,255,255,0.42);
  margin-bottom: var(--space-2);
}

.principle-grid h3 { color: #fff; font-size: var(--step1); }
.principle-grid p { color: rgba(255,255,255,0.68); }

.knowledge-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.knowledge-cta p { max-width: 60ch; }

@media (max-width: 720px) {
  .knowledge-hero { padding-top: var(--space-5); }
  .knowledge-status { margin-top: var(--space-1); }
  .domain-card { min-height: 0; }
  .knowledge-cta { align-items: flex-start; flex-direction: column; }
  .library-heading { align-items: flex-start; }
}

/* ============================================================
   SERVICES — Report library (before / after)
   ============================================================ */

.services-hero { padding-top: var(--space-6); padding-bottom: var(--space-4); }
.services-hero .eyebrow { color: var(--signal); }
.services-hero h1 { max-width: 18ch; }
.services-hero .lede { margin-top: var(--space-2); max-width: 58ch; }

.services-summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.services-summary-row .pillar {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.services-summary-row .pillar strong {
  font-family: var(--font-display);
  color: var(--ink);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-3);
}

.service-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(20, 24, 28, 0.08);
}

.service-card.is-upcoming { border-top-color: var(--line-strong); }

.service-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.service-card .kind {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.service-card h3 { font-size: var(--step1); margin: 0; }
.service-card > p.service-desc { font-size: var(--step-1); margin: 0; color: var(--ink-soft); }

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.before-after figure {
  margin: 0;
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
}

.before-after img {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--paper);
}

.before-after figcaption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: center;
  padding: 0.35rem 0;
  border-top: 1px solid var(--line);
}

.before-after figure:first-child figcaption { color: var(--caution); }
.before-after figure:last-child figcaption { color: var(--stable); }

.service-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.service-card .tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.service-card .card-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: var(--step-1);
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
}

.service-card .card-link.is-disabled {
  color: var(--muted);
  cursor: default;
  pointer-events: none;
}

.services-note {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  max-width: 62ch;
}

@media (max-width: 560px) {
  .before-after { grid-template-columns: 1fr 1fr; }
}

/* ---------------- Services: page-count tag ---------------- */

.page-count-tag {
  font-family: var(--font-mono) !important;
  font-size: 0.72rem;
  color: var(--signal) !important;
  background: var(--signal-tint, #E7EEF6) !important;
  border: 1px solid var(--signal) !important;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.view-report-btn {
  background: none;
  border: 0;
  padding: 0;
  font-family: var(--font-body);
  cursor: pointer;
  text-align: left;
  color: var(--signal);
}

/* ---------------- Services: full report viewer (modal) ---------------- */

.report-viewer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}

.report-viewer[hidden] { display: none; }

.viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 28, 0.6);
}

.viewer-panel {
  position: relative;
  background: var(--paper-raised);
  border-radius: var(--radius);
  width: min(1080px, 100%);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(20, 24, 28, 0.35);
}

.viewer-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  border-bottom: 1px solid var(--line);
}

.viewer-head h2 { margin: 0.15rem 0 0; font-size: var(--step1); }

.viewer-close {
  font-size: 1.5rem;
  line-height: 1;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--ink);
  flex: none;
}
.viewer-close:hover { border-color: var(--ink); }

.viewer-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  overflow-y: auto;
  flex: 1;
}

.viewer-pane {
  background: var(--paper);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: center;
}

.viewer-pane img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.viewer-pane-label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  align-self: flex-start;
}
.viewer-pane-label.caution { color: var(--caution); }
.viewer-pane-label.stable { color: var(--stable); }

.viewer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--line);
}

.viewer-pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.viewer-dots {
  display: flex;
  gap: 0.4rem;
}

.viewer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.viewer-dot.is-active { background: var(--signal); }

.viewer-foot .btn:disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.viewer-order-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3) var(--space-3);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.viewer-order-note {
  font-size: var(--step-1);
  color: var(--muted);
  margin: 0;
}

@media (max-width: 720px) {
  .viewer-body { grid-template-columns: 1fr; }
  .viewer-foot { flex-wrap: wrap; }
  .viewer-foot .btn { flex: 1; }
  .viewer-order-row { flex-direction: column; align-items: stretch; text-align: center; }
}