/* 0451 Software — shared stylesheet
   Visual system: Soft Structuralism on a near-white canvas.
   Tokens mirror the design brief §3.3-3.7.
*/

:root {
  --bg: #FAFAF9;
  --bg-elev: #FFFFFF;
  --ink: #0A0A0A;
  --ink-muted: #525252;
  --ink-soft: #737373;
  --line: #EAEAE7;
  --line-strong: #D4D4D1;
  --accent: #0F172A;
  --accent-ink: #FAFAF9;
  --selection: #0F172A;

  /* Sage accent palette — verified WCAG:
     --sage on --bg (#FAFAF9) = 4.62:1 (AA normal text)
     --sage-deep on --bg      = 7.75:1 (AAA)
     DO NOT use --sage-bright as text on white (3.56:1 — fails AA). */
  --sage: #5C7A4F;
  --sage-deep: #3F5636;
  --sage-bright: #6B8E5A;
  --sage-mist: #E9EDE6;
  --sage-on: #FAFAF9;

  --radius-card: 2rem;
  --radius-inner: calc(2rem - 0.375rem);
  --easing: cubic-bezier(0.32, 0.72, 0, 1);

  --container: 1200px;
  --gutter: 1.5rem;

  --font-display: "Plus Jakarta Sans", "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 400ms var(--easing);
}

a:hover { color: var(--ink-muted); }

button { font-family: inherit; cursor: pointer; }

/* ──────────────────────────  Typography  ────────────────────────── */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  background: var(--sage-mist);
  color: var(--sage-deep);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 5rem);
  line-height: 1.04;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  line-height: 1.2;
}

p { margin: 0; }

.lede {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.45;
  color: var(--ink-muted);
  max-width: 60ch;
}

/* Eyebrow + heading rhythm: replaces ad-hoc inline margin-top on h1/h2/h3. */
.eyebrow + h1, .eyebrow + h2, .eyebrow + h3 { margin-top: 1rem; }

/* ──────────────────────────  Utility  ────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* Sage-toned link underline — replaces inline `style="text-decoration:underline; text-underline-offset:3px"`. */
.link-underline {
  text-decoration: underline;
  text-decoration-color: var(--sage);
  text-underline-offset: 3px;
}

.field__hint { color: var(--ink-soft); font-weight: 400; }

/* ──────────────────────────  Layout  ────────────────────────── */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(4rem, 8vw, 7.5rem);
}

.section--tight { padding-block: clamp(3rem, 5vw, 5rem); }

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ──────────────────────────  Header / Nav  ────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.wordmark__mark {
  display: inline-grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 0.55rem;
  background: var(--sage-deep);
  color: var(--sage-on);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.wordmark__name { white-space: nowrap; }

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-muted);
  padding: 0.25rem 0;
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--ink);
}

.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.45rem 0;
  height: 1px;
  background: var(--ink);
}

.nav__cta { display: inline-flex; }

/* mobile menu toggle */
.nav__toggle {
  display: none;
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.5rem;
  color: var(--ink);
}

.nav__toggle svg { width: 1.25rem; height: 1.25rem; }

@media (max-width: 720px) {
  .nav__toggle { display: inline-flex; }
  .nav__list {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.5rem 1.5rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav[data-open="true"] .nav__list { display: flex; }
  .nav__list li { padding-block: 0.75rem; border-bottom: 1px solid var(--line); }
  .nav__list li:last-child { border-bottom: 0; }
}

/* ──────────────────────────  Buttons  ────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.4rem;
  border-radius: 9999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 400ms var(--easing), background 400ms var(--easing), color 400ms var(--easing), border-color 400ms var(--easing);
  cursor: pointer;
  line-height: 1;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--sage-deep);
  color: var(--sage-on);
}
.btn--primary:hover { background: var(--sage); color: var(--sage-on); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  padding-inline: 0.25rem;
}
.btn--ghost:hover { color: var(--ink-muted); }

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

.btn .arrow {
  display: inline-grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 9999px;
  background: rgba(250, 250, 249, 0.15);
  transition: transform 400ms var(--easing);
}
.btn--ghost .arrow,
.btn--secondary .arrow { background: rgba(10, 10, 10, 0.06); }
.btn:hover .arrow { transform: translateX(2px); }

/* ──────────────────────────  Card (double-bezel)  ────────────────────────── */

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.5rem;
}
.card__inner {
  border-radius: var(--radius-inner);
  background: var(--bg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}

.card--feature .card__inner { background: var(--bg-elev); }

.card__icon {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.85rem;
  background: rgba(10, 10, 10, 0.05);
  color: var(--ink);
}
.card__icon svg { width: 1.25rem; height: 1.25rem; }

.card__title { font-size: 1.0625rem; font-weight: 500; }
.card__body { color: var(--ink-muted); font-size: 0.95rem; }

/* ──────────────────────────  Hero  ────────────────────────── */

.hero {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero__eyebrow { margin-bottom: 1.5rem; }

.hero__title {
  font-size: clamp(2.5rem, 6.4vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.hero__title em {
  font-style: normal;
  color: var(--ink-muted);
}

.hero__lede { margin-top: 1.5rem; }

.hero__ctas {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero__panel {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero__panel::after {
  content: "";
  position: absolute;
  inset: auto -40% -40% auto;
  width: 70%;
  aspect-ratio: 1;
  background: radial-gradient(circle at center, rgba(92, 122, 79, 0.10), transparent 65%);
  pointer-events: none;
}

.hero__panel-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.hero__panel-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero__panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hero__panel-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.hero__panel-list li:last-child { border-bottom: 0; padding-bottom: 0; }

.hero__panel-list span:last-child { color: var(--ink-muted); font-size: 0.8rem; }

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* ──────────────────────────  Section grids  ────────────────────────── */

.section-headline { font-size: clamp(1.625rem, 3vw, 2.25rem); }
.section-headline--center { text-align: center; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
@media (min-width: 900px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .grid-4 { grid-template-columns: 1fr; } }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
}
.bento__lead { grid-column: span 4; }
.bento__side { grid-column: span 2; }
@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr; }
  .bento__lead, .bento__side { grid-column: auto; }
}

.section-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
}
.section-head__copy p { color: var(--ink-muted); max-width: 48ch; }
@media (max-width: 900px) { .section-head { grid-template-columns: 1fr; } }

/* ──────────────────────────  Products page blocks  ────────────────────────── */

.product-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 5vw, 5rem);
  border-top: 1px solid var(--line);
}
.product-block:first-of-type { border-top: 0; padding-top: 0; }

@media (max-width: 900px) {
  .product-block { grid-template-columns: 1fr; }
}

.product-block__bullets {
  list-style: none;
  margin: 1.5rem 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.product-block__bullets li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--ink-muted);
}
.product-block__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 1px;
  background: var(--ink);
}
.product-block__bullets li strong { color: var(--ink); font-weight: 500; }

.product-mock {
  border-radius: var(--radius-card);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 1.25rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.product-mock__bar {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.product-mock__bar span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 9999px;
  background: var(--line-strong);
}
.product-mock__bar span:first-child { background: #FB7185; }
.product-mock__bar span:nth-child(2) { background: #FBBF24; }
.product-mock__bar span:nth-child(3) { background: #34D399; }
.product-mock__body {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted);
  display: grid;
  gap: 0.75rem;
}
.product-mock__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.product-mock__row:last-child { border-bottom: 0; padding-bottom: 0; }
.product-mock__row strong { color: var(--ink); font-weight: 500; }

/* ──────────────────────────  Team  ────────────────────────── */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) { .team-grid { grid-template-columns: 1fr; } }

.team-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-elev);
}
.team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #E7E5E4, #D6D3D1);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.team-card__name { font-size: 1.0625rem; font-weight: 500; }
.team-card__role { color: var(--ink-muted); font-size: 0.9rem; }
.team-card__bio { color: var(--ink-muted); font-size: 0.95rem; line-height: 1.55; }

/* ──────────────────────────  Facts  ────────────────────────── */

.facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-elev);
  overflow: hidden;
}
.facts__item {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.facts__item:nth-child(2n) { border-right: 0; }
.facts__item:nth-last-child(-n+2) { border-bottom: 0; }
.facts__label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.facts__value { font-size: 1rem; font-weight: 500; color: var(--ink); }
.facts__value a { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 720px) {
  .facts { grid-template-columns: 1fr; }
  .facts__item { border-right: 0; }
  .facts__item:nth-child(2n) { border-right: 0; }
  .facts__item:nth-last-child(2) { border-bottom: 1px solid var(--line); }
}

/* ──────────────────────────  Forms  ────────────────────────── */

.form {
  display: grid;
  gap: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-elev);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

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

.field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}

.field input,
.field textarea,
.field select {
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 0.85rem;
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color 400ms var(--easing), background 400ms var(--easing);
}

.field textarea { resize: vertical; min-height: 7.5rem; line-height: 1.55; }

.field input:hover,
.field textarea:hover { border-color: var(--ink-soft); }

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.form__hint { color: var(--ink-soft); font-size: 0.85rem; }

.form__status {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: 0.85rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font-size: 0.95rem;
}
.form__status[data-state="success"] {
  display: block;
  border-color: #16A34A;
  background: rgba(22, 163, 74, 0.06);
  color: #14532D;
}
.form__status[data-state="error"] {
  display: block;
  border-color: #DC2626;
  background: rgba(220, 38, 38, 0.06);
  color: #7F1D1D;
}

/* ──────────────────────────  Footer  ────────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 5vw, 4rem);
  margin-top: clamp(4rem, 6vw, 6rem);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

.site-footer__col h4 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.site-footer__col a {
  color: var(--ink);
  font-size: 0.95rem;
}
.site-footer__col a:hover { color: var(--ink-muted); }

.site-footer__address {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-style: normal;
  line-height: 1.55;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* ──────────────────────────  Page hero (non-home)  ────────────────────────── */

.page-hero {
  padding-block: clamp(4rem, 8vw, 6.5rem) clamp(2rem, 4vw, 3.5rem);
}

.page-hero__inner { max-width: 60rem; }

.page-hero h1 { font-size: clamp(2.25rem, 5vw, 4rem); }

.page-hero .lede { margin-top: 1.5rem; }

/* ──────────────────────────  Privacy page  ────────────────────────── */

.prose {
  max-width: 44rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.7;
}
.prose h2 {
  font-size: 1.5rem;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
}
.prose h2:first-of-type { margin-top: 2.5rem; }
.prose p { margin-block: 1rem; color: var(--ink-muted); }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose ul { margin: 1rem 0 1.25rem; padding-left: 1.25rem; color: var(--ink-muted); }
.prose ul li { margin-block: 0.45rem; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }

.prose__meta {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ──────────────────────────  Animations  ────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    animation: reveal 600ms var(--easing) both;
  }
  .reveal--d1 { animation-delay: 60ms; }
  .reveal--d2 { animation-delay: 120ms; }
  .reveal--d3 { animation-delay: 180ms; }
  @keyframes reveal {
    from { opacity: 0; transform: translateY(0.5rem); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ──────────────────────────  Focus  ────────────────────────── */

:focus-visible {
  outline: 2px solid var(--sage-deep);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ──────────────────────────  Skip link  ────────────────────────── */

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.5rem 0.85rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  z-index: 100;
  transition: top 200ms var(--easing);
}
.skip-link:focus-visible { top: 0.5rem; color: var(--sage-on); }

/* ──────────────────────────  Blog — post list (index)  ────────────────────────── */

.post-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.post-list > li:first-child .post-row { border-top: 0; padding-top: 0; }

.post-row__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
}
.post-row__date { letter-spacing: 0.04em; }
.post-row__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  background: var(--sage-mist);
  color: var(--sage-deep);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.post-row__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

.post-row__excerpt {
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 60ch;
  margin: 0.25rem 0 0;
}

.post-row__more {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

/* ──────────────────────────  Blog — single post  ────────────────────────── */

.post-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.post-header__title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 22ch;
}

.post-header__lede {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.45;
  color: var(--ink-muted);
  max-width: 60ch;
  margin: 0;
}

.post-header__byline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.post-header__byline strong {
  color: var(--ink);
  font-weight: 500;
}

/* Body content — long-form article (consistent reading width) */
.post-body {
  max-width: 38rem;
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.post-body > * + * { margin-top: 1.5rem; }

.post-body h2 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
}

.post-body h3 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-top: 2rem;
}

.post-body p { margin: 0; }

.post-body a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--sage);
  text-underline-offset: 3px;
}

.post-body ul, .post-body ol {
  margin: 0;
  padding-left: 1.25rem;
}
.post-body li + li { margin-top: 0.5rem; }

.post-body blockquote {
  margin: 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 2px solid var(--sage);
  color: var(--ink-muted);
  font-style: italic;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--sage-mist);
  padding: 0.1rem 0.4rem;
  border-radius: 0.35rem;
}

.post-body pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-inner);
  padding: 1.25rem;
  overflow-x: auto;
}

.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2.5rem;
}

/* Interstitial diagram block — inline editorial SVG with brand tokens.
   The svg is the figure; the figcaption is the editorial aside. */
.post-body figure.post-figure {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-inner);
}
.post-body figure.post-figure svg {
  width: 100%;
  height: auto;
  display: block;
}
.post-body figure.post-figure figcaption {
  margin-top: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-align: center;
}

.post-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.post-footer__back {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}