/* kenmarkt.com — site.css
   Visual identity locked Aug 3 2026
   Palette: paper #FBF7F1, ink #241F1A, pine-teal #1F7A6B, ochre #C6803A
   Fonts: Fraunces (display), Inter (body), JetBrains Mono (technical)
*/

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --paper: #FBF7F1;
  --ink: #241F1A;
  --teal: #1F7A6B;
  --ochre: #C6803A;
  --ink-50: rgba(36, 31, 26, 0.50);
  --ink-12: rgba(36, 31, 26, 0.12);
  --ink-06: rgba(36, 31, 26, 0.06);
  --teal-light: rgba(31, 122, 107, 0.08);
  --ochre-light: rgba(198, 128, 58, 0.10);
  --max-w: 680px;
  --max-w-wide: 900px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: 'Fraunces', 'Georgia', serif;
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.05rem, 2.5vw, 1.2rem); }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }
em { font-style: italic; }

a { color: var(--teal); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

code, .mono {
  font-family: 'JetBrains Mono', 'Menlo', monospace;
  font-size: 0.85em;
}

/* ── Layout ── */
.page-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrap--wide {
  max-width: var(--max-w-wide);
}

section {
  padding: 4rem 0;
  border-top: 1px solid var(--ink-12);
}

section:first-of-type { border-top: none; }

/* ── Site header ── */
.site-header {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-name {
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.site-name:hover { color: var(--teal); }

.site-tagline {
  font-size: 0.8rem;
  color: var(--ink-50);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--ink-50);
  text-decoration: none;
}

.site-nav a:hover { color: var(--ink); }

/* ── Eyebrow label ── */
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-50);
  margin-bottom: 0.75rem;
}

/* ── Hero section ── */
.hero {
  padding: 5rem 0 4rem;
  border-top: none;
}

.hero h1 { margin-bottom: 1.25rem; }
.hero p { font-size: 1.1rem; color: var(--ink); max-width: 560px; }

/* ── Buttons / CTAs ── */
.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--teal);
  color: #fff;
}

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

.btn--secondary {
  background: transparent;
  color: var(--teal);
  border: 1px solid var(--ink-12);
}

.btn--secondary:hover {
  background: var(--teal-light);
  color: var(--teal);
}

/* ── Case study meta bar ── */
.meta-bar {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--ink-12);
  border-bottom: 1px solid var(--ink-12);
}

.meta-item {
  font-size: 0.85rem;
}

.meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-50);
  display: block;
  margin-bottom: 0.25rem;
}

/* ── Proof / status cards ── */
.proof-card {
  background: #fff;
  border: 1px solid var(--ink-12);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.proof-card h3 { margin-bottom: 0.75rem; }

.proof-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.proof-tag--safety {
  background: var(--teal-light);
  color: var(--teal);
}

.proof-tag--compliance {
  background: var(--ochre-light);
  color: var(--ochre);
}

.proof-tag--diagnostic {
  background: var(--ink-06);
  color: var(--ink-50);
}

.proof-tag--integration {
  background: var(--teal-light);
  color: var(--teal);
}

.proof-tag--design {
  background: var(--ink-06);
  color: var(--ink-50);
}

.proof-tag--cost {
  background: var(--ochre-light);
  color: var(--ochre);
}

/* ── Result section ── */
.result-list {
  list-style: none;
  padding: 0;
}

.result-list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
}

.result-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 600;
}

/* ── Numbered list (what it demonstrates) ── */
.demonstrates-list {
  list-style: none;
  counter-reset: demonstrates;
  padding: 0;
}

.demonstrates-list li {
  counter-increment: demonstrates;
  padding: 0.6rem 0 0.6rem 2.5rem;
  position: relative;
}

.demonstrates-list li::before {
  content: counter(demonstrates, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--teal);
  font-weight: 500;
}

/* ── Work index cards ── */
.work-card {
  display: block;
  background: #fff;
  border: 1px solid var(--ink-12);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.work-card:hover {
  border-color: var(--teal);
  box-shadow: 0 2px 12px rgba(31, 122, 107, 0.08);
}

.work-card .eyebrow { margin-bottom: 0.5rem; }
.work-card h3 { margin-bottom: 0.5rem; font-size: 1.15rem; }
.work-card p { color: var(--ink-50); font-size: 0.95rem; margin: 0; }

.work-card .read-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--teal);
  font-weight: 500;
}

/* ── Home page case study card (used on index.html) ── */
.home-card {
  display: block;
  background: #fff;
  border: 1px solid var(--ink-12);
  border-radius: 8px;
  padding: 2.5rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.home-card:hover {
  border-color: var(--teal);
  box-shadow: 0 2px 12px rgba(31, 122, 107, 0.08);
}

.home-card h3 { font-size: 1.2rem; margin: 0.5rem 0; }
.home-card p { color: var(--ink-50); font-size: 0.95rem; }

.home-card .read-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--teal);
  font-weight: 500;
}

/* ── Services grid (home page) ── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.service-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.service-item p {
  font-size: 0.95rem;
  color: var(--ink-50);
}

/* ── Confidentiality note ── */
.confidentiality {
  font-size: 0.85rem;
  color: var(--ink-50);
  font-style: italic;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink-06);
}

/* ── Footer ── */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--ink-12);
  font-size: 0.8rem;
  color: var(--ink-50);
  text-align: center;
}

/* ── CTA section (bottom of case study) ── */
.cta-section {
  text-align: center;
  padding: 3rem 0;
}

.cta-section h2 { margin-bottom: 0.75rem; }
.cta-section p { color: var(--ink-50); margin-bottom: 1.5rem; }

/* ── Responsive ── */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { padding: 3rem 0 2.5rem; }
  section { padding: 2.5rem 0; }
  .meta-bar { flex-direction: column; gap: 1rem; }
  .proof-card { padding: 1.5rem; }
}

/* ── Field-log case study system ── */
.field-page {
  --field-bg: #f6f8f7;
  --field-panel: #ffffff;
  --field-ink: #18231f;
  --field-muted: #65736d;
  --field-line: #dce5e0;
  --field-teal: #1f7a6b;
  --field-blue: #3567a9;
  --field-amber: #a9662b;
  background: var(--field-bg);
  color: var(--field-ink);
  min-height: 100vh;
}

.field-page::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image: linear-gradient(rgba(31, 122, 107, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 122, 107, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 65%);
}

.field-page .field-wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  position: relative;
}

.field-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--field-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.field-brand { color: var(--field-teal); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.field-brand-mark { width: 9px; height: 9px; border-radius: 50%; background: var(--field-teal); box-shadow: 0 0 12px rgba(31, 122, 107, .42); }
.field-nav { display: flex; gap: 22px; }
.field-nav a { color: var(--field-muted); text-decoration: none; }
.field-nav a:hover { color: var(--field-teal); }

.field-hero {
  padding: 6.75rem 0 5.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 6rem;
  align-items: end;
}

.field-kicker,
.field-label,
.field-status,
.field-card-meta,
.field-footer,
.field-stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .69rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.field-kicker { color: var(--field-blue); }
.field-title { margin: 1rem 0 1.5rem; max-width: 820px; font-family: 'Fraunces', Georgia, serif; font-size: clamp(3rem, 7vw, 6.7rem); line-height: .94; letter-spacing: -.065em; font-weight: 600; }
.field-dek { max-width: 680px; color: var(--field-muted); font-size: 1.12rem; line-height: 1.7; }
.field-hero-note { border-left: 2px solid var(--field-teal); padding: 2px 0 2px 24px; color: var(--field-muted); line-height: 1.7; }
.field-hero-note strong { display: block; margin-bottom: .5rem; color: var(--field-ink); font-family: 'Fraunces', Georgia, serif; font-size: 1.3rem; line-height: 1.15; }

.field-meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 3rem; border: 1px solid var(--field-line); background: var(--field-line); }
.field-meta { background: var(--field-panel); padding: 1.15rem 1.25rem; }
.field-meta .field-label { display: block; color: var(--field-blue); margin-bottom: .55rem; }
.field-meta p { margin: 0; color: var(--field-muted); font-size: .92rem; }

.field-intro-strip { border-top: 1px solid var(--field-line); border-bottom: 1px solid var(--field-line); background: rgba(255,255,255,.56); }
.field-intro-strip .field-wrap { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; padding: 1.25rem 0; }
.field-intro-strip p { margin: 0; color: var(--field-muted); font-size: .92rem; }
.field-intro-strip strong { color: var(--field-ink); font-weight: 600; }

.field-content { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 5rem; padding: 5rem 0; }
.field-rail { position: sticky; top: 24px; align-self: start; }
.field-rail-title { color: var(--field-blue); margin-bottom: 1.25rem; }
.field-rail ol { list-style: none; margin: 0; padding: 0; counter-reset: field-sections; }
.field-rail li { counter-increment: field-sections; margin-bottom: .8rem; }
.field-rail a { display: grid; grid-template-columns: 28px 1fr; gap: 8px; color: var(--field-muted); text-decoration: none; font-size: .84rem; line-height: 1.35; }
.field-rail a::before { content: counter(field-sections, decimal-leading-zero); color: var(--field-teal); font-family: 'JetBrains Mono', monospace; font-size: .7rem; }
.field-rail a:hover { color: var(--field-ink); }
.field-main { min-width: 0; }
.field-section { padding: 0 0 4.5rem; margin-bottom: 4.5rem; border-bottom: 1px solid var(--field-line); scroll-margin-top: 24px; }
.field-section:last-child { border-bottom: 0; margin-bottom: 0; }
.field-section h2 { max-width: 780px; margin: .7rem 0 1.5rem; color: var(--field-ink); font-family: 'Fraunces', Georgia, serif; font-size: clamp(2.2rem, 4.5vw, 4.5rem); line-height: .98; letter-spacing: -.055em; text-transform: none; }
.field-section > p { max-width: 720px; color: var(--field-muted); font-size: 1rem; line-height: 1.8; }
.field-section > p + p { margin-top: 1.15rem; }

.field-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 2rem 0 0; }
.field-flow-step { min-height: 148px; padding: 1.15rem; border: 1px solid var(--field-line); background: var(--field-panel); position: relative; }
.field-flow-step:not(:last-child)::after { content: '→'; position: absolute; right: -18px; top: 50%; transform: translateY(-50%); color: var(--field-teal); font-family: 'JetBrains Mono', monospace; z-index: 1; }
.field-flow-step .step-number { display: block; color: var(--field-blue); font-family: 'JetBrains Mono', monospace; font-size: .7rem; }
.field-flow-step strong { display: block; margin: 2rem 0 .45rem; font-family: 'Fraunces', Georgia, serif; font-size: 1.3rem; line-height: 1; }
.field-flow-step span:last-child { color: var(--field-muted); font-size: .83rem; }

.field-proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 2rem; }
.field-proof { padding: 1.5rem; border: 1px solid var(--field-line); background: var(--field-panel); }
.field-proof--wide { grid-column: 1 / -1; }
.field-proof .field-label { display: inline-block; margin-bottom: 1.25rem; color: var(--field-teal); }
.field-proof:nth-child(2n) .field-label { color: var(--field-amber); }
.field-proof h3 { margin-bottom: .75rem; color: var(--field-ink); font-family: 'Fraunces', Georgia, serif; font-size: 1.65rem; line-height: 1.05; }
.field-proof p { color: var(--field-muted); font-size: .92rem; line-height: 1.7; }
.field-proof p:last-child { margin-bottom: 0; }

.field-result { padding: 2rem; border: 1px solid var(--field-teal); background: #e8f3ef; }
.field-result h3 { margin: .6rem 0 1rem; font-family: 'Fraunces', Georgia, serif; font-size: 2rem; line-height: 1; }
.field-result ul { margin: 0; padding-left: 1.1rem; color: var(--field-ink); }
.field-result li { padding: .4rem 0; color: var(--field-muted); line-height: 1.6; }
.field-result strong { color: var(--field-ink); }

.field-demonstrates { display: grid; gap: 0; margin-top: 2rem; border-top: 1px solid var(--field-line); }
.field-demonstrates li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 1rem 0; border-bottom: 1px solid var(--field-line); list-style: none; color: var(--field-muted); line-height: 1.6; }
.field-demonstrates li::before { content: counter(field-points, decimal-leading-zero); counter-increment: field-points; color: var(--field-teal); font-family: 'JetBrains Mono', monospace; font-size: .72rem; }
.field-demonstrates { counter-reset: field-points; padding: 0; }

.field-cta { padding: 4rem 0 5rem; border-top: 1px solid var(--field-line); }
.field-cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 3rem; }
.field-cta h2 { max-width: 700px; margin: .75rem 0 0; font-family: 'Fraunces', Georgia, serif; font-size: clamp(2.3rem, 5vw, 4.7rem); line-height: .96; letter-spacing: -.055em; text-transform: none; }
.field-button { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; padding: 13px 17px; border: 1px solid var(--field-teal); background: var(--field-teal); color: #fff; font-family: 'JetBrains Mono', monospace; font-size: .73rem; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }
.field-button:hover { background: var(--field-ink); border-color: var(--field-ink); color: #fff; }
.field-footer { display: flex; justify-content: space-between; gap: 24px; padding: 1.5rem 0 2.25rem; border-top: 1px solid var(--field-line); color: var(--field-muted); }
.field-footer a { color: var(--field-muted); text-decoration: none; }
.field-footer a:hover { color: var(--field-teal); }

/* ── Work index ── */
.work-index .field-hero { padding-bottom: 4.5rem; }
.work-index .field-title { max-width: 720px; }
.work-index .field-dek { max-width: 620px; }
.case-list { display: grid; gap: 12px; padding-bottom: 5rem; }
.case-card { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; gap: 24px; align-items: start; padding: 1.65rem 1.75rem; border: 1px solid var(--field-line); background: var(--field-panel); color: var(--field-ink); text-decoration: none; }
.case-card:hover { border-color: var(--field-teal); box-shadow: 0 10px 30px rgba(31, 122, 107, .08); transform: translateY(-2px); transition: .18s ease; }
.case-number { color: var(--field-teal); font-family: 'JetBrains Mono', monospace; font-size: .72rem; }
.case-card h2 { margin: .4rem 0 .65rem; font-family: 'Fraunces', Georgia, serif; font-size: clamp(1.6rem, 3.3vw, 2.8rem); line-height: 1; letter-spacing: -.04em; text-transform: none; }
.case-card p { max-width: 680px; margin: 0; color: var(--field-muted); font-size: .95rem; line-height: 1.65; }
.case-card-arrow { padding-top: 1rem; color: var(--field-teal); font-family: 'JetBrains Mono', monospace; font-size: 1.25rem; }
.index-note { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; padding: 3rem 0 5rem; border-top: 1px solid var(--field-line); }
.index-note h2 { margin: 0; font-family: 'Fraunces', Georgia, serif; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -.05em; text-transform: none; }
.index-note p { max-width: 620px; margin: 0; color: var(--field-muted); line-height: 1.75; }

@media (max-width: 820px) {
  .field-page .field-wrap { width: min(100% - 28px, 640px); }
  .field-header { min-height: 68px; }
  .field-nav { gap: 14px; }
  .field-hero { grid-template-columns: 1fr; gap: 2.5rem; padding: 4.5rem 0 3.5rem; }
  .field-title { font-size: clamp(3.25rem, 16vw, 6rem); }
  .field-meta-grid { grid-template-columns: 1fr; }
  .field-intro-strip .field-wrap, .field-content, .index-note { grid-template-columns: 1fr; gap: 1.5rem; }
  .field-content { padding: 3.5rem 0; }
  .field-rail { position: static; }
  .field-rail ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem 1rem; }
  .field-section { padding-bottom: 3.5rem; margin-bottom: 3.5rem; }
  .field-flow, .field-proof-grid { grid-template-columns: 1fr; }
  .field-flow-step:not(:last-child)::after { right: auto; left: 50%; top: auto; bottom: -19px; transform: translateX(-50%) rotate(90deg); }
  .field-proof--wide { grid-column: auto; }
  .field-cta-inner { display: block; }
  .field-button { margin-top: 1.75rem; }
  .case-card { grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 1.35rem; }
  .case-card-arrow { grid-column: 2; padding-top: 0; }
  .field-footer { display: block; line-height: 1.8; }
  .field-footer span + span { display: block; margin-top: .5rem; }
}