/* =========================================================
   openclawconsulting.de — Editorial Consulting
   Tobias (display serif) · Cabinet Grotesk (body) · IBM Plex Mono
   ========================================================= */

@import url('https://api.fontshare.com/v2/css?f[]=tobias@400,500,600,700&f[]=cabinet-grotesk@300,400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Surfaces — warm paper */
  --paper: #F4EEDF;
  --paper-2: #FAF5E8;
  --paper-3: #FFFFFF;
  --ink-bg: #0F1A1A;

  /* Lines */
  --rule: #D6CFBC;
  --rule-strong: #B8B09C;

  /* Ink */
  --ink: #11201E;
  --ink-dim: #4A5550;
  --ink-mute: #7E867F;
  --paper-on-dark: #EFE8D6;

  /* Accents — oxblood + gold */
  --accent: #8B2635;
  --accent-hover: #6B1F2A;
  --accent-soft: rgba(139, 38, 53, 0.08);
  --gold: #C49A3A;
  --gold-soft: rgba(196, 154, 58, 0.12);
  --forest: #1F4537;

  /* Typography */
  --display: 'Tobias', 'Times New Roman', serif;
  --sans: 'Cabinet Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Spacing */
  --container: 1280px;
  --pad: clamp(20px, 4vw, 56px);

  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>");
  mix-blend-mode: multiply;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  position: relative;
  z-index: 2;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(46px, 7vw, 96px); font-weight: 500; }
h2 { font-size: clamp(34px, 4.5vw, 58px); font-weight: 500; }
h3 { font-size: clamp(24px, 2.5vw, 32px); }
h4 { font-size: clamp(19px, 1.4vw, 22px); font-weight: 600; font-family: var(--sans); letter-spacing: -0.005em; }

h1 em, h2 em { font-style: italic; }
h1 .ox, h2 .ox { color: var(--accent); }

p { margin-bottom: 1.1em; max-width: 70ch; color: var(--ink-dim); }
p strong { color: var(--ink); font-weight: 600; }
p.lede { font-size: 1.28rem; color: var(--ink); max-width: 64ch; line-height: 1.5; font-weight: 400; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 38, 53, 0.32);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
a:hover { color: var(--accent-hover); border-color: var(--accent-hover); }

ul, ol { color: var(--ink-dim); margin: 0 0 1.1em 1.2em; }
ul li, ol li { margin-bottom: .35em; }

code, kbd {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--paper-3);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--rule);
}

blockquote {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 28px;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  margin: 36px 0;
  line-height: 1.4;
  font-weight: 400;
}
blockquote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-top: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.eyebrow::before {
  content: "§";
  color: var(--accent);
  font-family: var(--display);
  font-style: italic;
  font-size: 14px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 238, 223, 0.85);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--rule);
}
.site-header .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: none;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--accent); }
.brand .accent { color: var(--accent); font-style: italic; }
.brand .tld {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-left: 2px;
  border: 1px solid var(--rule);
  padding: 2px 6px;
  border-radius: 2px;
}

.nav { display: flex; gap: 32px; align-items: center; }
.nav a {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-dim);
  border-bottom: none;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.nav-cta {
  background: var(--accent);
  color: var(--paper) !important;
  padding: 10px 18px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.01em;
}
.nav-cta:hover { background: var(--accent-hover); }

.hamburger { display: none; }

@media (max-width: 880px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--paper-2);
    border-bottom: 1px solid var(--rule);
    padding: 22px var(--pad) 30px;
    align-items: flex-start;
    gap: 18px;
  }
  .hamburger {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--rule-strong);
    color: var(--ink);
    width: 40px; height: 40px;
    border-radius: 2px;
    cursor: pointer;
    font-family: var(--mono);
    font-size: 18px;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-meta {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 36px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before {
  content: "•";
  color: var(--accent);
  font-size: 16px;
  line-height: 0;
}

.hero h1 { margin-bottom: 36px; max-width: 16ch; }
.hero h1 .underline {
  position: relative;
  display: inline-block;
}
.hero h1 .underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.05em;
  height: 0.14em;
  background: var(--gold);
  z-index: -1;
  opacity: 0.6;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: end;
}
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } }

.hero-sub {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-dim);
  margin-bottom: 36px;
  max-width: 56ch;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 2px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--paper);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn-secondary:hover {
  border-color: var(--ink);
  background: var(--paper-2);
}
.btn .arrow {
  font-family: var(--display);
  font-style: italic;
  font-size: 17px;
  font-weight: 400;
  transition: transform .2s var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}
.hero-trust span::before { content: "✓ "; color: var(--forest); }

/* Hero side card / brief */
.brief {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 36px 32px;
  box-shadow: 0 30px 60px -30px rgba(15, 26, 26, 0.18);
  position: relative;
}
.brief::before {
  content: "Auf einen Blick";
  position: absolute;
  top: -10px;
  left: 24px;
  background: var(--paper);
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.brief h4 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.brief dl {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
}
.brief dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 13.5px;
}
.brief dl > div:last-child { border-bottom: none; }
.brief dl dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.brief dl dd { color: var(--ink); font-weight: 600; }

/* ---------- KPI strip ---------- */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 80px 0 0;
}
@media (max-width: 760px) { .kpis { grid-template-columns: repeat(2, 1fr); } }

.kpi {
  padding: 36px 32px;
  border-right: 1px solid var(--rule);
}
.kpi:last-child { border-right: none; }
@media (max-width: 760px) {
  .kpi:nth-child(2) { border-right: none; }
  .kpi:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}
.kpi .num {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}
.kpi .num .unit { font-size: 24px; color: var(--ink-mute); margin-left: 4px; }
.kpi .num em { font-style: italic; color: var(--accent); }
.kpi .label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}

/* ---------- Sections ---------- */
.section {
  padding: 110px 0;
  position: relative;
}
.section.alt {
  background: var(--ink-bg);
  color: var(--paper-on-dark);
}
.section.alt h1, .section.alt h2, .section.alt h3, .section.alt h4 { color: var(--paper-on-dark); }
.section.alt p { color: rgba(239, 232, 214, 0.78); }
.section.alt .eyebrow { color: var(--gold); }
.section.alt .eyebrow::before { color: var(--gold); }
.section.alt a { color: var(--gold); border-bottom-color: rgba(196, 154, 58, 0.4); }
.section.alt a:hover { color: #E5BC52; border-bottom-color: #E5BC52; }
.section.cream { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 56px;
  margin-bottom: 72px;
  align-items: end;
}
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; gap: 16px; } }

.section-head h2 { margin-bottom: 0; }
.section-head .lede { margin-bottom: 0; }

/* ---------- Methodology phases ---------- */
.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 920px) { .phases { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .phases { grid-template-columns: 1fr; } }

.phase {
  padding: 40px 32px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  background: var(--paper-2);
}
.phase:last-child { border-right: none; }
@media (max-width: 920px) {
  .phase { border-right: 1px solid var(--rule); }
  .phase:nth-child(2n) { border-right: none; }
}
.phase .num {
  font-family: var(--display);
  font-style: italic;
  font-size: 64px;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}
.phase h4 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.phase p { font-size: 14.5px; color: var(--ink-dim); margin-bottom: 14px; }
.phase ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.phase ul li {
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.phase ul li::before { content: "—"; color: var(--accent); }

/* ---------- Tiles ---------- */
.tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 760px) { .tiles { grid-template-columns: 1fr; } }

.tile {
  position: relative;
  padding: 44px 38px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 2px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); }
.tile-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 11px;
  border-radius: 2px;
  margin-bottom: 24px;
}
.tile h3 { font-family: var(--display); margin-bottom: 16px; }
.tile p { color: var(--ink-dim); margin-bottom: 16px; }
.tile ul {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
}
.tile ul li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.tile ul li:last-child { border-bottom: none; }
.tile ul li .v { color: var(--ink); font-weight: 600; }

.tile-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  color: var(--accent);
}
.tile-cta:hover { color: var(--accent-hover); }
.tile-cta::after { content: "→"; transition: transform .2s var(--ease); }
.tile-cta:hover::after { transform: translateX(3px); }

/* ---------- Industry grid ---------- */
.industries {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper-3);
}
@media (max-width: 920px) { .industries { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .industries { grid-template-columns: 1fr; } }

.ind {
  padding: 36px 30px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.ind:nth-child(3n) { border-right: none; }
@media (max-width: 920px) {
  .ind { border-right: 1px solid var(--rule); }
  .ind:nth-child(3n) { border-right: 1px solid var(--rule); }
  .ind:nth-child(2n) { border-right: none; }
}
.ind .num {
  font-family: var(--display);
  font-size: 32px;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 18px;
  font-weight: 500;
  letter-spacing: -0.04em;
}
.ind h4 { font-family: var(--display); font-weight: 500; font-size: 24px; margin-bottom: 12px; letter-spacing: -0.02em; }
.ind p { font-size: 14.5px; color: var(--ink-dim); margin-bottom: 14px; }
.ind .case-row {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
}
.ind .case-row .acc { color: var(--accent); }

/* ---------- Comparison table ---------- */
.cmp-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--paper-3);
}
.cmp {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 720px;
}
.cmp th, .cmp td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.cmp thead th {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  font-weight: 500;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule-strong);
}
.cmp thead th:first-child { color: var(--ink); }
.cmp thead th.highlight { color: var(--accent); }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp td:first-child {
  font-weight: 600;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
}
.cmp td .yes { color: var(--forest); font-weight: 600; }
.cmp td .no  { color: var(--accent); font-weight: 600; }
.cmp td .mid { color: var(--gold); font-weight: 600; }
.cmp tbody tr:hover { background: var(--paper-2); }

/* ---------- Engagement plans ---------- */
.engagements {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper-3);
}
@media (max-width: 880px) { .engagements { grid-template-columns: 1fr; } }

.engagement {
  padding: 40px 32px;
  border-right: 1px solid var(--rule);
  position: relative;
}
.engagement:last-child { border-right: none; }
.engagement.featured { background: linear-gradient(180deg, var(--accent-soft), transparent 60%); }
.engagement.featured::before {
  content: "EMPFOHLEN";
  position: absolute;
  top: 16px; right: 16px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  padding: 4px 9px;
  border-radius: 2px;
}
.engagement h4 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 30px;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.engagement .price-row {
  font-family: var(--display);
  font-size: 24px;
  color: var(--accent);
  font-weight: 500;
  margin: 10px 0 4px;
  letter-spacing: -0.02em;
  font-style: italic;
}
.engagement .price-row .unit { font-size: 13px; font-style: normal; color: var(--ink-mute); margin-left: 4px; font-family: var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.engagement p.intro { font-size: 14px; color: var(--ink-dim); margin: 14px 0 22px; }
.engagement ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.engagement ul li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--rule);
}
.engagement ul li::before { content: "✓ "; color: var(--forest); font-weight: 700; }
.engagement ul li:last-child { border-bottom: none; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 26px 0;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--display);
  font-size: 28px;
  color: var(--accent);
  transition: transform .25s var(--ease);
  font-weight: 400;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body {
  padding-top: 16px;
  color: var(--ink-dim);
  max-width: 75ch;
}

/* ---------- Final CTA ---------- */
.cta-section {
  background: var(--ink-bg);
  color: var(--paper-on-dark);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 400px at 50% 0%, rgba(196, 154, 58, 0.18), transparent 60%);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  margin: 0 auto 24px;
  max-width: 22ch;
  color: var(--paper-on-dark);
}
.cta-section h2 em { color: var(--gold); font-style: italic; }
.cta-section p { margin: 0 auto 36px; max-width: 56ch; color: rgba(239, 232, 214, 0.78); }
.cta-section .small {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(239, 232, 214, 0.55);
  margin-top: 28px;
}
.cta-section .btn-secondary {
  color: var(--paper-on-dark);
  border-color: rgba(239, 232, 214, 0.3);
}
.cta-section .btn-secondary:hover {
  border-color: var(--paper-on-dark);
  background: rgba(239, 232, 214, 0.06);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--rule);
  padding: 72px 0 32px;
  font-size: 14px;
  color: var(--ink-mute);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer-grid h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
  margin-bottom: 18px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid ul li a { color: var(--ink-mute); border-bottom: none; font-size: 14px; }
.footer-grid ul li a:hover { color: var(--ink); }

.footer-bot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.footer-bot a { color: var(--ink-mute); border-bottom: none; }
.footer-bot a:hover { color: var(--ink); }

/* ---------- Article-style content ---------- */
.prose {
  max-width: 76ch;
  margin: 0 auto;
}
.prose h2 { margin-top: 64px; margin-bottom: 24px; }
.prose h3 { margin-top: 44px; margin-bottom: 18px; font-family: var(--sans); font-weight: 600; font-size: 24px; }
.prose p { margin-bottom: 1.2em; }
.prose ul, .prose ol { margin-bottom: 1.4em; }
.prose ul li, .prose ol li { margin-bottom: .5em; line-height: 1.55; }

.prose .dropcap::first-letter,
.dropcap::first-letter {
  font-family: var(--display);
  font-size: 5.4em;
  float: left;
  line-height: 0.85;
  margin: 0.06em 0.1em 0 -0.04em;
  color: var(--accent);
  font-weight: 500;
  font-style: italic;
}

.toc {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 26px 30px;
  margin: 32px 0 56px;
}
.toc h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  margin-bottom: 14px;
}
.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}
.toc ol li {
  counter-increment: toc;
  padding: 7px 0;
  border-bottom: 1px dashed var(--rule);
  display: flex;
  align-items: baseline;
}
.toc ol li:last-child { border-bottom: none; }
.toc ol li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  margin-right: 16px;
  min-width: 24px;
}
.toc ol li a { color: var(--ink-dim); border-bottom: none; }
.toc ol li a:hover { color: var(--accent); }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  padding: 96px 0 56px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}
.page-hero h1 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 500;
  margin-bottom: 22px;
}
.page-hero .lede { color: var(--ink-dim); max-width: 60ch; }
.breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--ink-mute); border-bottom: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .sep { color: var(--accent); margin: 0 10px; }

/* ---------- Callout ---------- */
.callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}
.callout.success { border-left-color: var(--forest); }
.callout.warn { border-left-color: var(--gold); }
.callout strong {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
}
.callout.success strong { color: var(--forest); }
.callout.warn strong { color: var(--gold); }
.callout p { margin-bottom: 0; }

/* ---------- Reference architecture ---------- */
.arch {
  background: var(--ink-bg);
  color: var(--paper-on-dark);
  padding: 48px;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  margin: 32px 0;
  overflow-x: auto;
  white-space: pre;
}
.arch .acc { color: var(--gold); }
.arch .key { color: #FF8FAA; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

::selection { background: var(--accent); color: var(--paper); }

/* ---------- Quote attribution ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 760px) { .testimonial-grid { grid-template-columns: 1fr; } }

.testimonial {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  padding: 40px 36px;
  border-radius: 2px;
  position: relative;
}
.testimonial .quote-mark {
  font-family: var(--display);
  font-size: 80px;
  font-style: italic;
  color: var(--accent);
  line-height: 0.5;
  position: absolute;
  top: 32px;
  right: 28px;
  opacity: 0.5;
}
.testimonial p {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 28px;
  font-style: italic;
}
.testimonial .author {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.testimonial .author strong { color: var(--ink); font-weight: 600; }