/* CodeMatrix — static site design system */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --ink: #0B0E16;
  --surface: #11141D;
  --tangerine: #F2711C;
  --tangerine-hover: #FF8636;
  --tangerine-deep: #B0540F;
  --cream: #F4F0E8;
  --warm-white: #F5F3EF;
  --green: #1F8A5B;
  --amber: #B0540F;
  --font-sans: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --max-w: 1280px;
  --pad-x: 40px;
  --hairline: rgba(245, 243, 239, 0.1);
  --text-muted: rgba(245, 243, 239, 0.55);
  --text-subtle: rgba(245, 243, 239, 0.45);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--ink);
  color: var(--warm-white);
  font-weight: 500;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: rgba(242, 113, 28, 0.25);
}

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

a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--tangerine);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
}

.skip-link:focus {
  top: 16px;
}

/* Layout */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* Typography */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tangerine);
  margin-bottom: 16px;
}

.eyebrow--line {
  display: flex;
  align-items: center;
  gap: 14px;
}

.eyebrow--line::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--tangerine);
  flex-shrink: 0;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.display {
  font-size: clamp(40px, 5.4vw, 72px);
  letter-spacing: -2.2px;
  line-height: 0.98;
}

.heading-lg {
  font-size: clamp(30px, 3.6vw, 46px);
  letter-spacing: -1.4px;
}

.heading-md {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -1px;
}

.accent { color: var(--tangerine); }

.body-lg {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-muted);
}

.body-md {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 22, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  color: var(--warm-white);
  flex-shrink: 0;
}

.logo-wordmark {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

.logo-wordmark strong {
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(245, 243, 239, 0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--warm-white);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--tangerine);
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--tangerine-hover);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--warm-white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  border-radius: 10px;
  padding: 15px 26px;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-primary {
  color: var(--ink);
  background: var(--tangerine);
}

.btn-primary:hover {
  background: var(--tangerine-hover);
}

.btn-ghost {
  color: rgba(245, 243, 239, 0.7);
  background: transparent;
  border: 1px solid rgba(245, 243, 239, 0.18);
}

.btn-ghost:hover {
  border-color: rgba(245, 243, 239, 0.45);
  color: var(--warm-white);
}

.btn-ink {
  color: var(--cream);
  background: var(--ink);
}

.btn-ink:hover {
  background: #141822;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Hero */
.hero {
  position: relative;
  background-image: linear-gradient(90deg, rgba(245, 243, 239, 0.05) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 64px;
  align-items: center;
  padding: 78px var(--pad-x) 64px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-copy .body-lg {
  max-width: 440px;
  margin-top: 30px;
}

.hero-copy .btn-group {
  margin-top: 40px;
}

/* Manifest panel */
.manifest {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.manifest-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(245, 243, 239, 0.08);
}

.manifest-path {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.45);
  letter-spacing: 0.5px;
}

.manifest-body {
  padding: 24px 22px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2.05;
  color: rgba(245, 243, 239, 0.82);
}

.manifest-body .tag { color: var(--tangerine); }

.manifest-body .arrow { color: rgba(245, 243, 239, 0.35); }

.manifest-divider {
  height: 1px;
  background: var(--hairline);
  margin: 14px 0;
}

@keyframes blink {
  0%, 55% { opacity: 1; }
  56%, 100% { opacity: 0; }
}

.cursor-blink {
  display: inline-block;
  width: 9px;
  height: 16px;
  background: var(--tangerine);
  margin-left: 3px;
  vertical-align: -3px;
  animation: blink 1.1s steps(1) infinite;
}

/* Metadata strip */
.meta-strip {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.meta-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.meta-strip-item {
  padding: 20px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(245, 243, 239, 0.5);
  border-right: 1px solid var(--hairline);
  padding-right: 24px;
}

.meta-strip-item:last-child {
  border-right: none;
  padding-left: 24px;
}

.meta-strip-item:not(:first-child):not(:last-child) {
  padding-left: 24px;
}

/* Sections */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px var(--pad-x) 40px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-header .body-md {
  max-width: 320px;
  margin: 0;
}

/* Matrix grid (capabilities / stack) */
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.matrix-cell {
  padding: 38px 36px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.matrix-cell:nth-child(2n) { border-right: none; }
.matrix-cell:nth-last-child(-n+2) { border-bottom: none; }

.matrix-cell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.matrix-cell-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.3);
}

.matrix-cell h3 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 10px;
}

.matrix-cell p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* Stack band */
.stack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.stack-cell {
  background: var(--surface);
  padding: 28px;
}

.stack-cell--full {
  grid-column: 1 / -1;
  background: var(--ink);
}

.stack-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--tangerine-deep);
  margin-bottom: 16px;
}

.stack-cell--full .stack-label {
  color: var(--tangerine);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.7);
  background: rgba(245, 243, 239, 0.06);
  padding: 6px 11px;
  border-radius: 7px;
}

.stack-cell--full .chip {
  color: var(--warm-white);
  background: rgba(245, 243, 239, 0.1);
}

/* Approach (sticky left) */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.approach-sticky {
  position: sticky;
  top: 100px;
}

.approach-sticky .body-lg {
  margin-top: 28px;
  max-width: 380px;
}

.principle {
  display: flex;
  gap: 24px;
  padding: 34px 0;
  border-top: 1px solid rgba(245, 243, 239, 0.12);
}

.principle:last-child {
  border-bottom: 1px solid rgba(245, 243, 239, 0.12);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--tangerine);
  font-weight: 700;
  flex: none;
  width: 34px;
}

.principle h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 9px;
}

.principle p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* Favicon — mono default, full color on hover */
.favicon-img {
  filter: grayscale(1) brightness(0.85);
  opacity: 0.42;
  transition: filter 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

.run-tile:hover .favicon-img,
.run-tile:focus-visible .favicon-img,
.stack-logo:hover .favicon-img,
.stack-logo:focus-visible .favicon-img {
  filter: none;
  opacity: 1;
  transform: scale(1.1);
}

/* What we run — product grid */
.run-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.run-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 12px;
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s;
}

.run-tile:hover,
.run-tile:focus-visible {
  background: rgba(242, 113, 28, 0.06);
  outline: none;
}

.run-tile:hover .run-name,
.run-tile:focus-visible .run-name {
  color: var(--tangerine);
}

.run-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.3px;
  text-align: center;
  line-height: 1.2;
  transition: color 0.25s;
}

.run-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* Stack favicon wall */
.stack-wall {
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.stack-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}

.stack-row:last-child {
  border-bottom: none;
}

.stack-row--ai {
  background: var(--ink);
}

.stack-row-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-subtle);
  width: 72px;
  flex-shrink: 0;
}

.stack-row--ai .stack-row-label {
  color: var(--tangerine);
}

.stack-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: border-color 0.25s, background 0.25s;
}

.stack-logo:hover,
.stack-logo:focus-visible {
  border-color: var(--hairline);
  background: rgba(245, 243, 239, 0.04);
  outline: none;
}

/* Ledger rows */
.ledger {
  border-top: 1px solid rgba(245, 243, 239, 0.12);
}

.ledger-row {
  display: grid;
  grid-template-columns: 64px 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(245, 243, 239, 0.12);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.25s cubic-bezier(0.2, 0.6, 0.2, 1), background 0.25s ease;
}

.ledger-row:hover {
  padding-left: 18px;
  background: rgba(242, 113, 28, 0.05);
}

.ledger-row:hover .ledger-name { color: var(--tangerine); }

.ledger-row:hover .ledger-arrow {
  color: var(--tangerine);
  transform: translateX(0);
  opacity: 1;
}

.ledger-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(245, 243, 239, 0.4);
}

.ledger-name {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: color 0.25s;
}

.ledger-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--text-subtle);
  text-transform: uppercase;
}

.ledger-arrow {
  font-size: 20px;
  color: rgba(245, 243, 239, 0.3);
  transform: translateX(-8px);
  opacity: 0;
  transition: all 0.25s;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.status-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--shipping { color: var(--green); }
.status-dot--shipping::before { background: var(--green); }

.status-dot--live { color: var(--green); }
.status-dot--live::before { background: var(--green); }

.status-dot--building { color: var(--tangerine-deep); }
.status-dot--building::before { background: var(--tangerine-deep); }

.status-dot--internal { color: rgba(245, 243, 239, 0.45); }
.status-dot--internal::before { background: rgba(245, 243, 239, 0.45); }

/* CTA band (cream) */
.cta-band {
  background: var(--cream);
  color: var(--ink);
  margin-top: 96px;
}

.cta-band-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px var(--pad-x);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: end;
}

.cta-band .eyebrow { color: var(--tangerine-deep); }

.cta-band .body-lg {
  color: rgba(11, 14, 22, 0.6);
  margin-bottom: 26px;
}

.cta-email {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(11, 14, 22, 0.5);
  margin-top: 22px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--hairline);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px var(--pad-x);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(245, 243, 239, 0.4);
  margin: 18px 0 0;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(245, 243, 239, 0.35);
  margin-bottom: 16px;
}

.footer-link {
  display: block;
  font-size: 14px;
  color: rgba(245, 243, 239, 0.6);
  text-decoration: none;
  margin-bottom: 11px;
  transition: color 0.2s;
  font-weight: 500;
}

.footer-link:hover { color: var(--warm-white); }

.footer-copy {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.4);
}

/* Page hero (inner pages) */
.page-hero {
  padding: 72px var(--pad-x) 56px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-hero .body-lg {
  max-width: 560px;
  margin-top: 24px;
}

/* Product detail blocks */
.product-block {
  padding: 80px var(--pad-x);
}

.product-block--dark {
  background: var(--ink);
  color: var(--warm-white);
}

.product-block--cream {
  background: var(--cream);
  color: var(--ink);
}

.product-block-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.product-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.product-name {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.6px;
}

.product-url {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: rgba(245, 243, 239, 0.4);
}

.product-block--cream .product-url {
  color: rgba(11, 14, 22, 0.4);
}

.product-desc {
  font-size: 16px;
  line-height: 1.65;
  max-width: 680px;
  margin-bottom: 24px;
}

.product-block--dark .product-desc { color: rgba(245, 243, 239, 0.7); }
.product-block--cream .product-desc { color: rgba(11, 14, 22, 0.7); }

.product-block--cream .chip {
  color: rgba(11, 14, 22, 0.55);
  border: 1px solid rgba(11, 14, 22, 0.16);
  background: transparent;
}

.product-block--dark .chip {
  border: 1px solid rgba(245, 243, 239, 0.16);
  background: transparent;
}

.product-block--cream .chip {
  font-size: 11px;
  padding: 5px 10px;
}

.product-internal {
  border: 1px dashed rgba(245, 243, 239, 0.2);
  border-radius: 16px;
  padding: 40px;
  max-width: var(--max-w);
  margin: 0 auto 80px;
}

/* Studio long-form */
.prose {
  max-width: 720px;
}

.prose p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 22px;
}

.prose strong { color: var(--warm-white); font-weight: 700; }

.studio-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}

.margin-note {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(245, 243, 239, 0.4);
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
}

.margin-note + .margin-note {
  margin-top: 24px;
}

/* Engage page */
.engage-content {
  max-width: 640px;
  padding: 96px var(--pad-x);
  margin: 0 auto;
}

.engage-content .body-lg {
  margin-bottom: 32px;
}

.engage-list {
  list-style: none;
  padding: 0;
  margin: 40px 0;
}

.engage-list li {
  padding: 20px 0;
  border-top: 1px solid var(--hairline);
  font-size: 15px;
  color: var(--text-muted);
}

.engage-list li:last-child {
  border-bottom: 1px solid var(--hairline);
}

/* Contact form */
.contact-section {
  max-width: 640px;
  margin: 0 auto;
  padding: 72px var(--pad-x) 120px;
}

.terminal-form {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 40px;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(245, 243, 239, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.45);
}

.terminal-body {
  padding: 32px 28px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--tangerine);
  margin-bottom: 10px;
}

.form-input,
.form-textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--warm-white);
  background: rgba(245, 243, 239, 0.04);
  border: 1px solid rgba(245, 243, 239, 0.12);
  border-radius: 8px;
  padding: 14px 16px;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--tangerine);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 243, 239, 0.4);
  margin-top: 20px;
}

/* Pillars grid (studio) */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 48px;
}

.pillar {
  background: var(--surface);
  padding: 30px 28px;
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--tangerine-deep);
  margin-bottom: 12px;
}

.pillar h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 8px;
}

.pillar p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* Voice do/don't */
.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.voice-card {
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 28px;
}

.voice-card--do .voice-tag { color: var(--green); }
.voice-card--dont .voice-tag { color: #B23B36; }

.voice-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.voice-card p {
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(245, 243, 239, 0.75);
  margin: 0;
}

.voice-card--dont p { color: rgba(245, 243, 239, 0.5); }

/* Mobile nav overlay */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 56px;
  }

  .meta-strip-inner {
    grid-template-columns: 1fr 1fr;
  }

  .meta-strip-item {
    border-right: none;
    padding: 16px 0 !important;
    border-bottom: 1px solid var(--hairline);
  }

  .approach-grid,
  .matrix-grid,
  .stack-grid,
  .cta-band-inner,
  .footer-inner,
  .studio-grid,
  .pillars-grid,
  .voice-grid,
  .section-header {
    grid-template-columns: 1fr;
  }

  .matrix-cell {
    border-right: none !important;
  }

  .matrix-cell:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--hairline);
  }

  .matrix-cell:last-child {
    border-bottom: none;
  }

  .approach-sticky {
    position: static;
  }

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

  .stack-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
  }

  .stack-row-label {
    width: auto;
  }

  .ledger-row {
    grid-template-columns: 48px 1fr;
    gap: 12px;
  }

  .ledger-meta,
  .ledger-arrow {
    display: none;
  }

  .footer-copy {
    text-align: left;
  }

  .menu-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: 0;
    top: 65px;
    background: var(--ink);
    flex-direction: column;
    align-items: stretch;
    padding: 32px var(--pad-x);
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--hairline);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav .nav-link,
  .site-nav .nav-cta {
    padding: 18px 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 13px;
  }

  .site-nav .nav-cta {
    margin-top: 16px;
    text-align: center;
    border: none;
  }

  :root { --pad-x: 24px; }
}

@media (max-width: 480px) {
  .run-grid {
    grid-template-columns: 1fr;
  }

  .meta-strip-inner {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor-blink { animation: none; opacity: 1; }
  .ledger-row,
  .nav-link,
  .btn,
  .favicon-img { transition: none; }
}