/* ============================================================
   GaneevEco AI Workshop — Design System
   Concept: engagement schematic / spec-sheet for enterprise AI
   ============================================================ */

:root {
  --ink: #10192B;
  --ink-2: #17223A;
  --paper: #F6F4EC;
  --paper-2: #EEEADC;
  --brass: #B98A3D;
  --brass-bright: #D6A652;
  --signal: #1F6F64;
  --signal-bright: #2B9184;
  --line-dark: #2A3550;
  --line-light: #D8D3C4;
  --ink-soft: #55617C;
  --ink-soft-2: #8B93A8;
  --danger: #B4472F;

  --font-display: 'Space Grotesk', 'Archivo Expanded', sans-serif;
  --font-body: 'IBM Plex Sans', 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max-width: 1180px;
  --radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Blueprint grid background ---------- */
.blueprint {
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(214, 166, 82, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 166, 82, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--paper);
}

.blueprint-light {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(16, 25, 43, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 25, 43, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ---------- Eyebrow / spec labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 25, 43, 0.96);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(6px);
}
header.site-header .wrap { max-width: 1440px; }
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}
.logo {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--paper);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img { height: 34px; width: auto; display: block; }
.logo b { color: var(--brass-bright); font-weight: 600; }
.logo span { color: var(--ink-soft-2); font-size: 12px; white-space: nowrap; }

nav.primary-nav { display: flex; gap: 4px; align-items: center; flex-wrap: nowrap; }
nav.primary-nav a {
  color: var(--paper);
  text-decoration: none;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  padding: 8px 13px;
  border: 1px solid rgba(214, 166, 82, 0.35);
  background: rgba(214, 166, 82, 0.06);
  border-radius: 999px;
  transition: all 0.15s ease;
  white-space: nowrap;
}
nav.primary-nav a:hover {
  color: var(--ink);
  border-color: var(--brass);
  background: var(--brass);
}
nav.primary-nav a.active {
  color: var(--brass-bright);
  border-color: var(--brass);
  background: rgba(214, 166, 82, 0.14);
}

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 11px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-block;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-brass { background: var(--brass); color: var(--ink); border-color: var(--brass); }
.btn-brass:hover { background: var(--brass-bright); }
.btn-outline { background: transparent; color: var(--paper); border-color: var(--line-dark); }
.btn-outline:hover { border-color: var(--brass); color: var(--brass-bright); }
.btn-signal { background: var(--signal); color: var(--paper); border-color: var(--signal); }
.btn-signal:hover { background: var(--signal-bright); }

.btn-whatsapp {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-dark);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.btn-whatsapp:hover { border-color: var(--signal-bright); color: var(--signal-bright); background: rgba(43, 145, 132, 0.08); }
.btn-whatsapp svg { width: 14px; height: 14px; flex-shrink: 0; }
.nav-cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

.mobile-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 56px;
  position: relative;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.04;
  font-weight: 600;
  margin: 22px 0 24px;
  max-width: 16ch;
  letter-spacing: -0.01em;
}
.hero h1 em { font-style: normal; color: var(--brass-bright); }
.hero .lede {
  font-size: 19px;
  color: var(--ink-soft-2);
  max-width: 56ch;
  margin: 0 0 36px;
}
.hero .cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Engagement schematic (signature element) ---------- */
.schematic {
  margin-top: 64px;
  border-top: 1px solid var(--line-dark);
  padding-top: 28px;
}
.schematic-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0 12px;
  position: relative;
}
.schematic-track::before {
  content: '';
  position: absolute;
  top: 11px;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--brass) 0 6px, transparent 6px 12px);
}
.schematic-node { padding-right: 20px; }
.schematic-node .tick {
  width: 22px; height: 22px;
  border: 1px solid var(--brass);
  border-radius: 50%;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass-bright);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.schematic-node .tick-label {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 6px;
  color: var(--paper);
}
.schematic-node p { font-size: 13.5px; color: var(--ink-soft-2); margin: 0; }

/* ---------- Section scaffolding ---------- */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  margin: 14px 0 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.section-head p { color: var(--ink-soft); font-size: 17px; }

/* ---------- Workshop cards ---------- */
.workshop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.workshop-card {
  background: var(--paper);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  transition: background 0.15s ease;
}
.workshop-card:hover { background: var(--paper-2); }
.workshop-card .spec-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  letter-spacing: 0.08em;
}
.workshop-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin: 14px 0 10px;
}
.workshop-card .duration {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.workshop-card p.desc { color: var(--ink-soft); font-size: 14.5px; flex-grow: 1; }
.workshop-card .go {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.workshop-card.locked { opacity: 0.55; }
.workshop-card.locked .go { color: var(--ink-soft-2); }

/* ---------- Lifecycle strip ---------- */
.lifecycle {
  display: flex;
  border: 1px solid var(--line-light);
}
.lifecycle .stage {
  flex: 1;
  padding: 22px 18px;
  border-right: 1px solid var(--line-light);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--ink-soft);
}
.lifecycle .stage:last-child { border-right: none; }
.lifecycle .stage.active { background: var(--ink); color: var(--brass-bright); }

/* ---------- Positioning strip ---------- */
.positioning {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 0;
}
.positioning .grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}
.positioning h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  margin: 14px 0 20px;
}
.positioning p { color: var(--ink-soft-2); font-size: 16.5px; }
.not-list { list-style: none; margin: 28px 0 0; padding: 0; }
.not-list li {
  display: flex; gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
  font-size: 14.5px;
}
.not-list li:last-child { border-bottom: 1px solid var(--line-dark); }
.not-list .mark { font-family: var(--font-mono); color: var(--danger); flex-shrink: 0; }
.yes-list li .mark { color: var(--signal-bright); }

/* ---------- Testimonial / proof ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  margin-top: 8px;
}
.stat {
  background: var(--paper);
  padding: 26px 22px;
}
.stat .num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 600;
  color: var(--ink);
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* ---------- Contact ---------- */
.contact-section { background: var(--paper-2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
}
form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line-light);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-status { font-size: 14px; font-family: var(--font-mono); min-height: 20px; }
.form-status.success { color: var(--signal); }
.form-status.error { color: var(--danger); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--ink);
  color: var(--ink-soft-2);
  padding: 56px 0 32px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 40px;
}
footer.site-footer h5 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--paper);
  margin: 0 0 16px;
}
footer.site-footer ul { list-style: none; margin: 0; padding: 0; }
footer.site-footer li { margin-bottom: 10px; }
footer.site-footer a { text-decoration: none; color: var(--ink-soft-2); }
footer.site-footer a:hover { color: var(--brass-bright); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft-2);
}

/* ---------- Agenda / spec-sheet (workshop pages) ---------- */
.agenda-day {
  border-top: 1px solid var(--line-light);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
}
.agenda-day:last-child { border-bottom: 1px solid var(--line-light); }
.agenda-day .day-label {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  color: var(--signal);
  letter-spacing: 0.06em;
}
.agenda-modules { list-style: none; margin: 0; padding: 0; }
.agenda-modules li {
  padding: 10px 0;
  border-top: 1px dashed var(--line-light);
  display: flex;
  gap: 16px;
  font-size: 15px;
}
.agenda-modules li:first-child { border-top: none; }
.agenda-modules .mod-no { font-family: var(--font-mono); color: var(--brass); font-size: 13px; width: 34px; flex-shrink: 0; }

.audience-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 0; }
.audience-tags span {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  color: var(--ink-soft);
}

.deliverables-list { list-style: none; margin: 0; padding: 0; }
.deliverables-list li {
  padding: 14px 18px;
  background: var(--paper);
  border: 1px solid var(--line-light);
  margin-bottom: 10px;
  font-size: 14.5px;
  display: flex;
  gap: 12px;
}
.deliverables-list .mark { font-family: var(--font-mono); color: var(--signal); }

.sub-hero-compact { padding: 28px 0 20px; }
.sub-hero-compact .breadcrumb { margin-bottom: 10px; }
.sub-hero-compact h1 { font-size: clamp(22px, 3vw, 32px); margin: 10px 0 8px; max-width: 24ch; }
.sub-hero-compact .lede { font-size: 14.5px; max-width: 66ch; margin: 0; }

.faq-list { max-width: 780px; }

/* ---------- Prev/Next article nav ---------- */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  margin-top: 8px;
}
.post-nav-link {
  background: var(--paper);
  padding: 24px 26px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s ease;
}
.post-nav-link:hover { background: var(--paper-2); }
.post-nav-link.next { text-align: right; align-items: flex-end; }
.post-nav-link .dir {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--signal);
}
.post-nav-link .ptitle {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}
.post-nav-empty { background: var(--paper); }
@media (max-width: 700px) {
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-link.next { text-align: left; align-items: flex-start; }
}
.faq-item {
  border-top: 1px solid var(--line-light);
  padding: 26px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--line-light); }
.faq-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
}
.faq-item p { color: var(--ink-soft); font-size: 15px; margin: 0; }

/* ---------- Sub-hero for workshop pages ---------- */
.sub-hero { padding: 56px 0 48px; }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft-2);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--brass-bright); text-decoration: none; }
.sub-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 600;
  margin: 0 0 18px;
  max-width: 18ch;
}
.sub-hero .lede { font-size: 17.5px; color: var(--ink-soft-2); max-width: 60ch; }
.sub-hero .meta-row {
  display: flex;
  gap: 28px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.sub-hero .meta-item {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brass-bright);
}
.sub-hero .meta-item span { display: block; color: var(--ink-soft-2); font-family: var(--font-body); font-size: 14px; text-transform: none; letter-spacing: 0; margin-top: 4px; }

/* ---------- Hero rotation (workshop carousel) ---------- */
.hero-rotator {
  margin-top: 22px;
}
.rotator-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0 8px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line-dark);
}
.rotator-tab {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft-2);
  padding: 12px 0;
  margin-right: 28px;
  margin-bottom: 4px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  position: relative;
  top: 1px;
  white-space: nowrap;
}
.rotator-tab .bar {
  position: absolute;
  bottom: -2px; left: 0;
  height: 2px;
  width: 0%;
  background: var(--brass-bright);
}
.rotator-tab.active { color: var(--paper); }
.rotator-tab.active .bar { animation: rotator-progress 5s linear forwards; }
@keyframes rotator-progress { from { width: 0%; } to { width: 100%; } }

.rotator-panels { position: relative; display: grid; height: 520px; overflow: visible; }
.rotator-panel {
  grid-area: 1 / 1 / 2 / 2;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.rotator-panel.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  position: relative;
  z-index: 1;
}
.rotator-panel h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--paper);
}
.rotator-panel p {
  color: var(--ink-soft-2);
  font-size: 15.5px;
  max-width: 62ch;
  margin: 0 0 16px;
}
.rotator-panel a.go {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--brass-bright);
  text-decoration: none;
  letter-spacing: 0.04em;
}
@media (prefers-reduced-motion: reduce) {
  .rotator-tab.active .bar { animation: none; width: 100%; }
}

.blog-filter-row-section { padding-top: 24px !important; }

/* ---------- Blog grid ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.blog-card {
  background: var(--paper);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease;
}
.blog-card:hover { background: var(--paper-2); }
.blog-card .cat {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--signal);
}
.blog-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin: 12px 0 10px;
  line-height: 1.25;
}
.blog-card p.excerpt { color: var(--ink-soft); font-size: 14px; flex-grow: 1; }
.blog-card .post-meta {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
}
.blog-card.coming-soon { opacity: 0.5; }
.blog-filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.blog-filter-row span {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 14px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  color: var(--ink-soft);
}

.blog-category-block { margin-bottom: 56px; }
.blog-cat-heading {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
}
.blog-cat-heading span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-soft);
}

/* ---------- Article ---------- */
.article-meta-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft-2);
}
.article-body a, .cta-banner .cta-copy p a, .not-list li a, .positioning p a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin: 48px 0 18px;
  letter-spacing: -0.005em;
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 14px;
}
.article-body p { margin: 0 0 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); }
.article-body blockquote {
  border-left: 2px solid var(--brass);
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  color: var(--ink-soft);
  font-style: italic;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 64px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 90px;
  border: 1px solid var(--line-light);
  padding: 20px;
}
.article-toc h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.article-toc ul { list-style: none; margin: 0; padding: 0; }
.article-toc li { margin-bottom: 10px; }
.article-toc a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.4;
  display: block;
}
.article-toc a:hover { color: var(--signal); }

/* ---------- Inline CTA banner ---------- */
.cta-banner {
  background: var(--ink);
  color: var(--paper);
  padding: 40px 36px;
  margin: 44px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner .cta-copy h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 8px;
}
.cta-banner .cta-copy p { margin: 0; color: var(--ink-soft-2); font-size: 14.5px; max-width: 46ch; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  margin-top: 20px;
}

@media (max-width: 900px) {
  .blog-grid, .related-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-toc { position: static; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1500px) {
  .logo span { display: none; }
  nav.primary-nav a { padding: 7px 10px; font-size: 12.5px; }
  .nav-cta { gap: 6px; }
}

@media (max-width: 900px) {
  nav.primary-nav { display: none; }
  .nav-cta .btn-brass { display: none; }
  .mobile-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; background: none; border: 1px solid var(--line-dark);
    color: var(--paper); border-radius: var(--radius); cursor: pointer;
  }
  .workshop-grid, .stats-row, .schematic-track { grid-template-columns: 1fr; }
  .rotator-panels { height: 460px; }
  .rotator-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 20px;
    padding-bottom: 2px;
  }
  .rotator-tabs::-webkit-scrollbar { display: none; }
  .rotator-tab {
    flex-shrink: 0;
    margin-right: 20px;
    margin-bottom: 0;
    font-size: 11px;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .positioning .grid-2, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .agenda-day { grid-template-columns: 1fr; gap: 10px; }
}