/* ===========================================================================
   BuildStack — Medium-inspired theme
   Pure-white canvas, near-black text, hairline borders, Medium green accent,
   serif body, and typographic-first list cards. SEO/HTML untouched.
   =========================================================================== */

:root {
  /* Surface */
  --canvas: 255 255 255;
  --canvas-subtle: 250 250 250;
  --canvas-inset: 244 244 244;
  --line: 235 235 235;
  --line-strong: 217 217 217;

  /* Text */
  --fg: 36 36 36;          /* Medium-ish near-black */
  --fg-muted: 107 107 107; /* secondary copy */
  --fg-subtle: 156 156 156; /* tertiary / timestamps */
  --fg-inverted: 255 255 255;

  /* Accent: Medium green */
  --accent-50: 232 246 232;
  --accent-100: 209 237 210;
  --accent-300: 122 191 124;
  --accent-500: 26 137 23;  /* #1A8917 — Medium primary */
  --accent-700: 19 105 17;
  --accent-900: 12 70 11;
  --accent-950: 8 47 7;

  /* Code surface */
  --ink-50: 246 246 246;
  --ink-950: 26 26 26;

  --grid-color: 0 0 0;
  --grid-opacity: 0.018;

  /* Typography */
  --font-sans: 'Inter', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-display: 'Fraunces', 'GT Super', ui-serif, 'Charter', Georgia, serif;
  --font-serif: 'Source Serif 4', 'Charter', 'Iowan Old Style', 'Apple Garamond', Georgia, Cambria, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1200px;
  --read-col: 728px; /* Medium content column */
  --shadow-soft: 0 1px 2px rgb(0 0 0 / 0.03), 0 1px 3px rgb(0 0 0 / 0.04);
  --shadow-editorial: 0 8px 32px -8px rgb(0 0 0 / 0.12);
}

:root.dark {
  --canvas: 18 18 18;            /* #121212 — Medium dark surface */
  --canvas-subtle: 26 26 26;
  --canvas-inset: 33 33 33;
  --line: 38 38 38;
  --line-strong: 64 64 64;
  --fg: 232 232 232;
  --fg-muted: 167 167 167;
  --fg-subtle: 130 130 130;
  --fg-inverted: 18 18 18;
  --accent-500: 86 177 92;       /* lighter green for dark bg */
  --accent-700: 65 145 70;
  --grid-color: 255 255 255;
  --grid-opacity: 0.03;
  color-scheme: dark;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: rgb(var(--canvas));
  color: rgb(var(--fg));
  font-family: var(--font-sans);
  font-feature-settings: "cv11", "ss01", "ss03";
  font-synthesis: none;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}

::selection { background: rgb(var(--fg)); color: rgb(var(--fg-inverted)); }

h1, h2, h3, h4, h5, h6 {
  color: rgb(var(--fg));
  letter-spacing: -0.015em;
  margin: 0;
}
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.25em; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid rgb(var(--fg));
  outline-offset: 3px;
  border-radius: 6px;
}

.dark ::-webkit-scrollbar { width: 12px; height: 12px; }
.dark ::-webkit-scrollbar-track { background: rgb(var(--canvas)); }
.dark ::-webkit-scrollbar-thumb {
  background: rgb(var(--line-strong));
  border: 3px solid rgb(var(--canvas));
  border-radius: 9999px;
}

/* ---------------------------------------------------------------------------
   Layout primitives
--------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
@media (min-width: 640px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}
.site-main { flex: 1 1 auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 60;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: rgb(var(--fg));
  color: rgb(var(--fg-inverted));
  font-size: 0.875rem;
}
.skip-link:focus { left: 1rem; }

.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;
}

.mono { font-family: var(--font-mono); font-size: 0.92em; }

/* ---------------------------------------------------------------------------
   Typography helpers
--------------------------------------------------------------------------- */
.eyebrow {
  font-size: 13px;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: rgb(var(--fg-muted));
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow-subtle { color: rgb(var(--fg-subtle)); }
.eyebrow-dot { gap: 0.5rem; }
.eyebrow-pill {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 9999px;
  background: rgb(var(--accent-500));
}

.title-underline {
  background-image: none;
  transition: color 150ms;
}
a:hover .title-underline { color: rgb(var(--fg-muted)); }

.link-underline {
  color: rgb(var(--fg));
  text-decoration: underline;
  text-decoration-color: rgb(var(--fg) / 0.3);
  text-underline-offset: 4px;
}
.link-underline:hover { text-decoration-color: rgb(var(--fg)); }

/* ---------------------------------------------------------------------------
   Buttons & chips
--------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 150ms, background 150ms, border-color 150ms, color 150ms, transform 100ms;
  border: 1px solid transparent;
  font-family: inherit;
  white-space: nowrap;
  letter-spacing: 0;
}
.btn:active { transform: scale(0.985); }

.btn-primary {
  background: rgb(var(--accent-500));
  color: #fff;
  border-color: rgb(var(--accent-500));
}
.btn-primary:hover { background: rgb(var(--accent-700)); border-color: rgb(var(--accent-700)); }

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

.btn-ghost {
  background: transparent;
  color: rgb(var(--fg-muted));
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
}
.btn-ghost:hover {
  color: rgb(var(--fg));
  background: transparent;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 9999px;
  background: rgb(var(--canvas-inset));
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: rgb(var(--fg));
  border: 1px solid transparent;
  transition: background 150ms, color 150ms;
}
.chip:hover { background: rgb(var(--line)); color: rgb(var(--fg)); }
.chip-count { color: rgb(var(--fg-subtle)); font-size: 0.75rem; }

/* ---------------------------------------------------------------------------
   Header
--------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background: rgb(var(--canvas));
  border-bottom: 1px solid rgb(var(--line));
  transition: background 200ms, border-color 200ms;
}
.site-header.is-scrolled {
  border-bottom-color: rgb(var(--line-strong));
  background: rgb(var(--canvas) / 0.96);
  backdrop-filter: saturate(140%) blur(8px);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 57px; /* Medium header height */
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgb(var(--fg));
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 1.75rem; height: 1.75rem;
  border-radius: 9999px;
  background: rgb(var(--fg));
  color: rgb(var(--fg-inverted));
  transition: transform 200ms;
}
.logo:hover .logo-mark { transform: scale(1.04); }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.nav-desktop { display: none; align-items: center; gap: 0.25rem; }
@media (min-width: 768px) { .nav-desktop { display: flex; } }

.nav-link {
  position: relative;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: rgb(var(--fg-muted));
  transition: color 150ms;
}
.nav-link:hover { color: rgb(var(--fg)); background: transparent; }
.nav-link.is-active { color: rgb(var(--fg)); font-weight: 500; }

.nav-actions { display: flex; align-items: center; gap: 0.375rem; }
.nav-search {
  display: none;
  align-items: center;
  gap: 0.5rem;
  height: 2rem;
  padding: 0 0.75rem;
  border-radius: 9999px;
  border: 0;
  background: transparent;
  font-size: 0.875rem;
  color: rgb(var(--fg-muted));
  transition: color 150ms, background 150ms;
}
@media (min-width: 640px) { .nav-search { display: inline-flex; } }
.nav-search:hover {
  color: rgb(var(--fg));
  background: rgb(var(--canvas-inset));
}
.nav-search kbd {
  display: none;
  border-radius: 4px;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-inset));
  padding: 0.125rem 0.375rem;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgb(var(--fg-subtle));
}
@media (min-width: 768px) { .nav-search kbd { display: inline-block; } }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2rem; height: 2rem;
  border-radius: 9999px;
  border: 0;
  background: transparent;
  color: rgb(var(--fg-muted));
  cursor: pointer;
  transition: color 150ms, background 150ms;
}
.theme-toggle:hover { color: rgb(var(--fg)); background: rgb(var(--canvas-inset)); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root.dark .theme-toggle .icon-sun { display: block; }
:root.dark .theme-toggle .icon-moon { display: none; }

.nav-cta {
  display: none;
  height: 2rem;
  padding: 0 1rem;
  background: rgb(var(--fg));
  color: rgb(var(--fg-inverted));
  border-color: rgb(var(--fg));
  font-size: 14px;
}
.nav-cta:hover { background: rgb(var(--fg) / 0.85); border-color: transparent; }
@media (min-width: 768px) { .nav-cta { display: inline-flex; } }

.nav-burger {
  display: inline-grid;
  place-items: center;
  width: 2rem; height: 2rem;
  border-radius: 9999px;
  border: 0;
  background: transparent;
  color: rgb(var(--fg-muted));
  cursor: pointer;
}
@media (min-width: 768px) { .nav-burger { display: none; } }
.nav-burger .icon-close { display: none; }
.nav-burger[aria-expanded="true"] .icon-burger { display: none; }
.nav-burger[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
  border-top: 1px solid rgb(var(--line));
  background: rgb(var(--canvas));
}
.mobile-nav .container {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.mobile-nav-link {
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(var(--fg-muted));
}
.mobile-nav-link.is-active {
  background: rgb(var(--canvas-subtle));
  color: rgb(var(--fg));
}
.mobile-cta { margin-top: 0.5rem; width: 100%; }

/* ---------------------------------------------------------------------------
   Hero
--------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgb(var(--line));
  background: #ffc017;
  color: #242424;
}
:root.dark .hero { background: rgb(var(--canvas-subtle)); color: rgb(var(--fg)); }
.hero-grid-bg {
  position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgb(0 0 0 / 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(0 0 0 / 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
          mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}
:root.dark .hero-grid-bg {
  background-image:
    linear-gradient(to right, rgb(255 255 255 / 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(255 255 255 / 0.04) 1px, transparent 1px);
}
.hero-inner { padding-top: 4rem; padding-bottom: 4rem; }
@media (min-width: 640px) { .hero-inner { padding-top: 6rem; padding-bottom: 6rem; } }
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: end;
}
@media (min-width: 768px) {
  .hero-grid { grid-template-columns: 2fr 1fr; }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-top: 1.25rem;
  color: inherit;
  text-wrap: balance;
}
.hero-title em { font-style: italic; }
.hero-desc {
  margin-top: 1.5rem;
  max-width: 36rem;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  line-height: 1.4;
  color: inherit;
  text-wrap: pretty;
}
.hero-cta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-cta .btn-primary {
  background: rgb(var(--fg));
  color: rgb(var(--fg-inverted));
  border-color: rgb(var(--fg));
  padding: 0.625rem 1.5rem;
  font-size: 1rem;
}
.hero-cta .btn-primary:hover { background: rgb(var(--fg) / 0.85); border-color: transparent; }
.hero-cta .btn-secondary { color: inherit; border-color: rgb(0 0 0 / 0.6); }
:root.dark .hero-cta .btn-secondary { border-color: rgb(var(--line-strong)); }
.hero-stats {
  border-radius: 0;
  border: 1px solid rgb(0 0 0 / 0.15);
  background: transparent;
  padding: 1rem 1.25rem;
}
:root.dark .hero-stats { border-color: rgb(var(--line)); }
.hero-stats dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
@media (min-width: 768px) {
  .hero-stats dl { grid-template-columns: 1fr; gap: 1.25rem; }
}
.hero-stats dt { margin: 0; color: inherit; opacity: 0.7; }
.hero-stats dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: inherit;
}

/* ---------------------------------------------------------------------------
   Sections + section heads
--------------------------------------------------------------------------- */
.section { margin-top: 3rem; }
@media (min-width: 640px) { .section { margin-top: 4rem; } }
.section-bordered { border-top: 1px solid rgb(var(--line)); padding-top: 3rem; }
.section-head {
  margin: 0 auto 1.5rem;
  max-width: var(--read-col);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}
.section-title {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: rgb(var(--fg));
}
@media (min-width: 640px) { .section-title { font-size: 1.75rem; } }
.section-link {
  display: none;
  font-size: 0.875rem;
  color: rgb(var(--accent-500));
}
.section-link:hover { color: rgb(var(--accent-700)); }
@media (min-width: 640px) { .section-link { display: inline-flex; } }

/* ---------------------------------------------------------------------------
   Cover art (thumbnail)
   Medium layout: small square-ish thumbnail to the right of the text.
   Gradients in source SVGs are toned down via filter to feel editorial.
--------------------------------------------------------------------------- */
.cover {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  outline: 0;
  background: rgb(var(--canvas-inset));
}
.cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.cover-card,
.cover-feature,
.cover-lead {
  aspect-ratio: 1 / 1;
  filter: saturate(0.55) contrast(0.95);
}
:root.dark .cover-card,
:root.dark .cover-feature,
:root.dark .cover-lead {
  filter: saturate(0.5) contrast(0.85) brightness(0.85);
}
.cover-card::after,
.cover-feature::after,
.cover-lead::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgb(255 255 255 / 0.06), rgb(0 0 0 / 0.06));
  pointer-events: none;
}
.cover-post {
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  filter: saturate(0.7);
}
:root.dark .cover-post { filter: saturate(0.6) brightness(0.85); }

/* ---------------------------------------------------------------------------
   List-style cards (Medium feel)
   The HTML still has .grid-3 with .card-default children. We override the
   visual to a single-column list with a small thumbnail on the right.
--------------------------------------------------------------------------- */
.grid-2,
.grid-3 {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--read-col);
  margin: 0 auto;
}
.grid-3-spacious { margin-top: 2rem; }

.card-default {
  display: grid;
  grid-template-columns: 1fr 88px;
  align-items: start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgb(var(--line));
  text-decoration: none;
}
@media (min-width: 640px) {
  .card-default { grid-template-columns: 1fr 160px; gap: 2rem; padding: 2rem 0; }
}
.card-default > .cover {
  width: 100%;
  height: auto;
}
.card-default-body { order: -1; min-width: 0; }
.card-default-body .eyebrow {
  margin: 0 0 0.5rem;
  font-size: 13px;
  font-weight: 500;
  color: rgb(var(--fg-muted));
  text-transform: none;
  letter-spacing: 0;
}
.card-default-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.018em;
  color: rgb(var(--fg));
}
@media (min-width: 640px) {
  .card-default-title { font-size: 1.5rem; }
}
.card-default-desc {
  margin-top: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.45;
  color: rgb(var(--fg-muted));
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (min-width: 640px) {
  .card-default-desc { font-size: 1.0625rem; -webkit-line-clamp: 3; }
}
.card-default-date {
  margin-top: 0.875rem;
  font-size: 13px;
  color: rgb(var(--fg-subtle));
}

/* Related-post cards on the post page */
.card-feature {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgb(var(--line));
}
.card-feature .cover { display: none; }
.card-feature-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.018em;
}
.card-feature-desc {
  margin-top: 0.4rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.45;
  color: rgb(var(--fg-muted));
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-feature .eyebrow { margin: 0; font-size: 13px; text-transform: none; letter-spacing: 0; font-weight: 500; }

/* Lead/top story card — same horizontal list layout but slightly larger title */
.card-lead {
  display: grid;
  grid-template-columns: 1fr 88px;
  gap: 1.5rem;
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid rgb(var(--line));
  align-items: start;
}
@media (min-width: 640px) {
  .card-lead { grid-template-columns: 1fr 200px; gap: 2.5rem; padding: 2rem 0 2.5rem; }
}
.card-lead-cover { width: 100%; }
.card-lead-cover .cover { aspect-ratio: 1 / 1; }
.card-lead-body { order: -1; display: flex; flex-direction: column; min-width: 0; }
.card-lead-body .eyebrow {
  margin: 0 0 0.5rem;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  color: rgb(var(--fg-muted));
}
.card-lead-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.022em;
  color: rgb(var(--fg));
}
@media (min-width: 640px) {
  .card-lead-title { font-size: 2rem; }
}
.card-lead-desc {
  margin-top: 0.5rem;
  max-width: none;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.45;
  color: rgb(var(--fg-muted));
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.625rem;
  font-size: 13px;
  color: rgb(var(--fg-subtle));
  align-items: center;
}

.card-compact {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
}
.card-compact-cover {
  display: none;
  flex: 0 0 auto;
  width: 3.5rem; height: 3.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
}
.card-compact-cover .cover { aspect-ratio: 1; border-radius: 0.75rem; }
@media (min-width: 640px) { .card-compact-cover { display: block; } }
.card-compact-body { min-width: 0; flex: 1; }
.card-compact-title {
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.012em;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: rgb(var(--fg-muted));
}
.meta .mono { text-transform: none; letter-spacing: normal; }

/* ---------------------------------------------------------------------------
   Home: latest + sidebar layout
--------------------------------------------------------------------------- */
.home-latest {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .home-latest { grid-template-columns: minmax(0, 1fr) 320px; gap: 4rem; }
}
.home-latest-main { min-width: 0; }
.home-latest-main .grid-2,
.home-latest-main .grid-3 { max-width: none; margin: 0; }
.home-latest-aside { border-left: 0; padding-left: 0; }
@media (min-width: 1024px) {
  .home-latest-aside {
    border-left: 1px solid rgb(var(--line));
    padding-left: 2rem;
  }
}
.sticky-aside { position: sticky; top: 5rem; }
.aside-title {
  margin-top: 0.5rem;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgb(var(--fg));
}
.aside-desc {
  margin-top: 0.5rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: rgb(var(--fg-muted));
}
.picks-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}
.picks-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 0;
}
.picks-list li:first-child { padding-top: 0.5rem; }
.picks-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: rgb(var(--fg-subtle));
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  opacity: 0.4;
}
.picks-link { flex: 1; min-width: 0; }
.picks-title {
  margin-top: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.014em;
  color: rgb(var(--fg));
}
.picks-link:hover .picks-title { color: rgb(var(--fg-muted)); text-decoration: none; }
.mobile-only-cta {
  margin-top: 2.5rem;
  width: 100%;
  display: inline-flex;
}
@media (min-width: 640px) { .mobile-only-cta { display: none; } }

/* ---------------------------------------------------------------------------
   Category grid (homepage)
--------------------------------------------------------------------------- */
.cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
@media (min-width: 640px) { .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; } }
@media (min-width: 1024px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }
.cat-cell {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: transparent;
  border: 1px solid rgb(var(--line));
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color 150ms;
  min-height: 11rem;
}
.cat-cell:hover { background: transparent; border-color: rgb(var(--line-strong)); }
.cat-cell-empty { display: none; }
.cat-cell-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.cat-mark {
  display: grid;
  place-items: center;
  width: 2rem; height: 2rem;
  border-radius: 9999px;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  box-shadow: none;
}
.cat-count {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0;
  color: rgb(var(--fg-subtle));
}
.cat-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.014em;
  color: rgb(var(--fg));
}
.cat-desc {
  margin-top: 0.25rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: rgb(var(--fg-muted));
}
.cat-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(var(--accent-500));
}
.cat-cell:hover .cat-cta { color: rgb(var(--accent-700)); }
.cat-cell:hover .cat-cta span:last-child { transform: translateX(2px); }
.cat-cta span:last-child { transition: transform 150ms; }

/* ---------------------------------------------------------------------------
   Page header (interior pages)
--------------------------------------------------------------------------- */
.page-pad { padding-top: 2.5rem; padding-bottom: 4rem; }
@media (min-width: 640px) { .page-pad { padding-top: 3.5rem; } }
.page-header {
  border-bottom: 1px solid rgb(var(--line));
  padding-bottom: 2rem;
  margin: 0 auto 2.5rem;
  max-width: var(--read-col);
}
.page-title {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.028em;
  text-wrap: balance;
  color: rgb(var(--fg));
}
.page-lede {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: rgb(var(--fg-muted));
  text-wrap: pretty;
}

/* ---------------------------------------------------------------------------
   Archive (blog index) controls
--------------------------------------------------------------------------- */
.archive-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
  max-width: var(--read-col);
  margin: 0 auto;
}
@media (min-width: 768px) {
  .archive-controls { grid-template-columns: 5fr 7fr; }
  .archive-filter { justify-self: end; }
}
.tag-bar {
  margin: 1.5rem auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0;
  max-width: var(--read-col);
  border-top: 1px solid rgb(var(--line));
  border-bottom: 1px solid rgb(var(--line));
}
.tag-bar-label { margin-right: 0.5rem; color: rgb(var(--fg-muted)); }
.archive-lead { margin-top: 2rem; }
.archive-lead .eyebrow { margin-bottom: 0.75rem; }
.archive-list {
  margin: 2.5rem auto 0;
  max-width: var(--read-col);
  border-top: 0;
  padding-top: 0;
}

/* Pillar / editor's picks — Medium-style minimal list */
.pillar-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: var(--read-col);
  display: grid;
  gap: 0;
}
.pillar-list li {
  border: 0;
  border-bottom: 1px solid rgb(var(--line));
  border-radius: 0;
  padding: 1.5rem 0;
  background: transparent;
  transition: background 150ms;
}
.pillar-list li:hover { background: transparent; }
.pillar-list h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.018em;
  margin: 0 0 0.4rem;
  line-height: 1.25;
}
.pillar-list h3 a { color: rgb(var(--fg)); text-decoration: none; }
.pillar-list h3 a:hover { color: rgb(var(--fg-muted)); }
.pillar-list p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgb(var(--fg-muted));
  line-height: 1.5;
}

/* Topic clusters — internal-link blocks, hairline separators */
.topic-clusters {
  display: grid;
  gap: 2rem 2.5rem;
  max-width: var(--read-col);
  margin: 0 auto;
}
@media (min-width: 768px) { .topic-clusters { grid-template-columns: repeat(2, 1fr); } }
.topic-cluster h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.014em;
  margin: 0 0 0.4rem;
  color: rgb(var(--fg));
}
.topic-cluster p {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  color: rgb(var(--fg-muted));
  margin: 0 0 0.75rem;
  line-height: 1.5;
}
.topic-cluster ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.topic-cluster ul a {
  color: rgb(var(--fg));
  text-decoration: none;
  border-bottom: 1px solid rgb(var(--line));
  padding-bottom: 0.125rem;
  font-size: 0.9375rem;
}
.topic-cluster ul a:hover {
  color: rgb(var(--accent-500));
  border-bottom-color: rgb(var(--accent-500));
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.filter-chip {
  border-radius: 9999px;
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 400;
  border: 1px solid rgb(var(--line));
  background: transparent;
  color: rgb(var(--fg));
  transition: background 150ms, border-color 150ms;
}
.filter-chip:hover { background: rgb(var(--canvas-inset)); border-color: rgb(var(--line)); }
.filter-chip.is-active {
  background: rgb(var(--canvas-inset));
  color: rgb(var(--fg));
  border-color: rgb(var(--fg));
}

/* Search box */
.search-box { position: relative; width: 100%; }
.search-input-row {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 1rem;
  pointer-events: none;
  color: rgb(var(--fg-subtle));
  display: inline-flex;
}
.search-input-row input {
  height: 2.75rem;
  width: 100%;
  border-radius: 9999px;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-inset));
  color: rgb(var(--fg));
  font-size: 0.875rem;
  font-family: inherit;
  padding: 0 3rem 0 2.75rem;
  transition: background 150ms, border-color 150ms, box-shadow 150ms;
}
.search-input-row input::placeholder { color: rgb(var(--fg-subtle)); }
.search-input-row input:focus {
  outline: none;
  background: rgb(var(--canvas));
  border-color: rgb(var(--line-strong));
  box-shadow: 0 0 0 3px rgb(var(--accent-500) / 0.12);
}
.search-kbd {
  position: absolute;
  right: 1rem;
  display: none;
  align-items: center;
  height: 1.5rem;
  border-radius: 4px;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-inset));
  padding: 0 0.375rem;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgb(var(--fg-subtle));
}
@media (min-width: 640px) { .search-kbd { display: inline-flex; } }
.search-results {
  position: absolute;
  left: 0; right: 0; top: 100%;
  z-index: 30;
  margin-top: 0.5rem;
  border-radius: 1rem;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas));
  box-shadow: var(--shadow-editorial);
  overflow: hidden;
}
.search-results ul { list-style: none; margin: 0; padding: 0; }
.search-results li + li { border-top: 1px solid rgb(var(--line)); }
.search-results a {
  display: block;
  padding: 0.875rem 1.25rem;
  transition: background 150ms;
}
.search-results a:hover { background: rgb(var(--canvas-subtle)); }
.search-results .eyebrow { color: rgb(var(--fg-subtle)); }
.search-results .result-title {
  margin-top: 0.25rem;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
  color: rgb(var(--fg));
}
.search-results .result-desc {
  margin-top: 0.25rem;
  font-size: 12px;
  color: rgb(var(--fg-muted));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-empty {
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: rgb(var(--fg-muted));
  font-size: 0.875rem;
}

.empty-state {
  margin-top: 3rem;
  border: 1px dashed rgb(var(--line));
  background: rgb(var(--canvas-subtle) / 0.4);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  color: rgb(var(--fg-muted));
  font-size: 0.875rem;
}
.tag-back { margin-bottom: 2.5rem; }

/* ---------------------------------------------------------------------------
   Post page
--------------------------------------------------------------------------- */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: rgb(var(--accent-500));
  z-index: 50;
  transition: width 100ms linear;
}
.post-head { padding-top: 2rem; }
@media (min-width: 640px) { .post-head { padding-top: 3rem; } }
.breadcrumb {
  font-size: 13px;
  color: rgb(var(--fg-subtle));
  max-width: var(--read-col);
  margin: 0 auto;
}
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}
.breadcrumb a { color: inherit; }
.breadcrumb a:hover { color: rgb(var(--fg)); text-decoration: underline; }

.post-head-inner {
  max-width: var(--read-col);
  margin: 1.5rem auto 0;
}
.post-title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.6vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.032em;
  text-wrap: balance;
  color: rgb(var(--fg));
}
.post-lede {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: rgb(var(--fg-muted));
  text-wrap: pretty;
}
@media (min-width: 640px) { .post-lede { font-size: 1.375rem; } }
.post-meta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  font-size: 14px;
  color: rgb(var(--fg-subtle));
  padding-bottom: 1rem;
  border-bottom: 1px solid rgb(var(--line));
}
.post-meta .post-author { color: rgb(var(--fg)); font-weight: 500; }
.post-meta .mono { color: rgb(var(--fg-subtle)); }

.post-cover {
  max-width: var(--read-col);
  margin: 2rem auto 0;
}

.post-body-wrap { margin-top: 2.5rem; }
.post-body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 1280px) {
  .post-body-grid {
    grid-template-columns: 1fr minmax(0, var(--read-col)) 1fr 200px;
    gap: 2.5rem;
  }
  .post-body-grid > .post-body { grid-column: 2 / 3; }
  .post-body-grid > .toc-aside { grid-column: 4 / 5; }
}
.post-body {
  min-width: 0;
  max-width: var(--read-col);
  margin: 0 auto;
}
.toc-aside { display: none; }
@media (min-width: 1280px) { .toc-aside { display: block; } }
.toc-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  font-size: 0.8125rem;
}
.toc-list li { padding: 0.25rem 0; }
.toc-list .toc-l3 { padding-left: 1rem; color: rgb(var(--fg-subtle)); }
.toc-list a { color: rgb(var(--fg-muted)); }
.toc-list a:hover { color: rgb(var(--fg)); }

.post-tags {
  margin: 3rem auto 0;
  max-width: var(--read-col);
  border-top: 1px solid rgb(var(--line));
  padding-top: 1.5rem;
}
.post-tags-row {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.post-footer {
  margin: 2.5rem auto 0;
  max-width: var(--read-col);
  border-top: 1px solid rgb(var(--line));
  padding-top: 2rem;
}
.post-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .post-footer-grid { grid-template-columns: 7fr 5fr; align-items: start; }
}
.author-block { display: flex; gap: 1rem; align-items: flex-start; }
.author-avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 3rem; height: 3rem;
  border-radius: 9999px;
  background: rgb(var(--fg));
  color: rgb(var(--fg-inverted));
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
}
.author-name {
  margin-top: 0.25rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
}
.author-bio {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: rgb(var(--fg-muted));
  line-height: 1.6;
}
.author-links {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 0.875rem;
}
.author-links span { color: rgb(var(--fg-subtle)); }
.share-block { }
.share-buttons {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.share-btn { height: 2.25rem; padding: 0 1rem; }
.share-note {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: rgb(var(--fg-subtle));
}

/* ---------------------------------------------------------------------------
   Prose (article body) — Medium typography
--------------------------------------------------------------------------- */
.prose {
  font-family: var(--font-serif);
  font-size: 1.25rem;       /* ~20px */
  line-height: 1.6;
  color: rgb(var(--fg));
  max-width: var(--read-col);
}
@media (min-width: 768px) {
  .prose { font-size: 1.3125rem; line-height: 1.58; }
}
.prose-narrow { max-width: var(--read-col); }
.prose > * + * { margin-top: 1.4em; }
.prose p {
  color: rgb(var(--fg));
  letter-spacing: -0.003em;
  text-wrap: pretty;
}
.prose h2 {
  margin-top: 2em;
  margin-bottom: 0.4em;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.022em;
  position: relative;
  scroll-margin-top: 6rem;
}
@media (min-width: 768px) { .prose h2 { font-size: 2rem; } }
.prose h3 {
  margin-top: 1.6em;
  margin-bottom: 0.3em;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.018em;
  position: relative;
  scroll-margin-top: 6rem;
}
@media (min-width: 768px) { .prose h3 { font-size: 1.5rem; } }
.prose h4 {
  margin-top: 1.4em;
  margin-bottom: 0.3em;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0;
}
.prose ul, .prose ol {
  padding-left: 1.5em;
  margin-top: 1em;
  margin-bottom: 1em;
}
.prose li { margin-top: 0.4em; }
.prose li::marker { color: rgb(var(--fg-subtle)); }
.prose strong { color: rgb(var(--fg)); font-weight: 600; }
.prose em { font-style: italic; }
.prose blockquote {
  margin: 1.5em 0;
  padding: 0 0 0 1.25em;
  border-left: 3px solid rgb(var(--fg));
  color: rgb(var(--fg));
  font-style: italic;
  font-size: 1.5em;
  line-height: 1.4;
  letter-spacing: -0.012em;
}
.prose blockquote p { margin: 0; }
.prose a {
  color: rgb(var(--fg));
  text-decoration: underline;
  text-decoration-color: rgb(var(--fg-muted));
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color 150ms, color 150ms;
}
.prose a:hover { color: rgb(var(--accent-500)); text-decoration-color: rgb(var(--accent-500)); }
.prose hr {
  border: 0;
  text-align: center;
  margin: 2.5em 0;
  letter-spacing: 0.6em;
  color: rgb(var(--fg-subtle));
  font-size: 1.5rem;
  line-height: 1;
}
.prose hr::after { content: "···"; }
.prose img {
  border-radius: 0;
  border: 0;
  margin: 2em auto;
  display: block;
}

/* Inline code */
.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgb(var(--canvas-inset));
  border: 0;
  border-radius: 4px;
  padding: 0.18em 0.4em;
  color: rgb(var(--fg));
}
.prose pre {
  background: rgb(var(--canvas-inset));
  color: rgb(var(--fg));
  border-radius: 4px;
  padding: 1.25em 1.5em;
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.55;
  margin: 1.75em 0;
  border: 1px solid rgb(var(--line));
}
:root.dark .prose pre {
  background: #1a1a1a;
  color: #e6e6e6;
  border-color: rgb(var(--line));
}
.prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
  border-radius: 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75em 0;
  font-family: var(--font-sans);
  font-size: 0.9375em;
}
.prose th, .prose td {
  border-bottom: 1px solid rgb(var(--line));
  padding: 0.625em 0.875em;
  text-align: left;
}
.prose th { font-weight: 600; color: rgb(var(--fg)); }

.prose .heading-anchor {
  position: absolute;
  left: -1.25em;
  color: rgb(var(--fg-subtle));
  text-decoration: none;
  opacity: 0;
  transition: opacity 150ms;
  font-family: var(--font-sans);
  font-weight: 400;
}
.prose .heading-anchor::before { content: "#"; }
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor { opacity: 0.4; }

/* No drop cap — Medium articles render plain first paragraphs by default. */
.article-body > p:first-of-type::first-letter {
  font-family: inherit;
  font-weight: inherit;
  color: inherit;
  float: none;
  font-size: inherit;
  line-height: inherit;
  margin: 0;
}

/* ---------------------------------------------------------------------------
   About / contact / aside cards
--------------------------------------------------------------------------- */
.about-grid, .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: 8fr 4fr; }
  .contact-grid { grid-template-columns: 3fr 2fr; }
}
.about-aside, .contact-aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .about-aside, .contact-aside { position: sticky; top: 6rem; align-self: start; }
}
.aside-card {
  border-radius: 1rem;
  border: 1px solid rgb(var(--line));
  padding: 1.5rem;
}
.aside-card h3 + dl,
.aside-card .eyebrow + dl,
.aside-card .eyebrow + ul {
  margin-top: 1.25rem;
}
.aside-dl { display: flex; flex-direction: column; gap: 1rem; font-size: 0.875rem; margin: 0; }
.aside-dl dt { color: rgb(var(--fg)); font-weight: 500; }
.aside-dl dd { margin: 0.25rem 0 0; color: rgb(var(--fg-muted)); }
.aside-card-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.aside-card p { font-size: 0.875rem; line-height: 1.65; color: rgb(var(--fg-muted)); margin: 0.5rem 0 0; }
.aside-card a { font-size: 0.875rem; }

.contact-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 0.875rem;
}
.contact-label { font-weight: 500; color: rgb(var(--fg)); }
.contact-list p { margin: 0.4rem 0 0; color: rgb(var(--fg-muted)); line-height: 1.6; }

/* Contact form */
.contact-form {
  border-radius: 1.5rem;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-subtle) / 0.4);
  padding: 1.5rem;
}
@media (min-width: 640px) { .contact-form { padding: 2rem; } }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-field { margin-top: 1.25rem; }
.form-field:first-child { margin-top: 0; }
.form-row .form-field { margin-top: 0; }
.form-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(var(--fg));
}
.form-field input,
.form-field select,
.form-field textarea {
  margin-top: 0.5rem;
  width: 100%;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas));
  color: rgb(var(--fg));
  border-radius: 0.75rem;
  padding: 0 0.875rem;
  height: 2.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 150ms, box-shadow 150ms;
}
.form-field textarea {
  height: auto;
  padding: 0.75rem 0.875rem;
  resize: vertical;
  min-height: 8rem;
  line-height: 1.6;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgb(var(--line-strong));
  box-shadow: 0 0 0 4px rgb(var(--fg) / 0.05);
}
.form-consent {
  margin-top: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: rgb(var(--fg-muted));
  line-height: 1.6;
}
.form-consent input { margin-top: 0.15rem; }
.form-footer {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: space-between;
  border-top: 1px solid rgb(var(--line));
  padding-top: 1.5rem;
}
@media (min-width: 640px) {
  .form-footer { flex-direction: row; align-items: center; }
}
.form-note { font-size: 0.75rem; color: rgb(var(--fg-subtle)); }
.form-success, .form-error {
  margin-top: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas));
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

/* ---------------------------------------------------------------------------
   Subscribe card
--------------------------------------------------------------------------- */
.subscribe {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-subtle) / 0.6);
  padding: 3rem 1.5rem;
}
@media (min-width: 640px) { .subscribe { padding: 4rem 3rem; } }
.subscribe-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgb(var(--grid-color) / var(--grid-opacity)) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
          mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}
.subscribe-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
}
@media (min-width: 768px) {
  .subscribe-grid { grid-template-columns: 7fr 5fr; }
}
.subscribe-title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.subscribe-title em { color: rgb(var(--fg-muted)); }
.subscribe-desc {
  margin-top: 1rem;
  max-width: 32rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgb(var(--fg-muted));
}
.subscribe-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-radius: 1rem;
  border: 1px solid rgb(var(--line));
  background: rgb(var(--canvas));
  padding: 0.375rem;
}
@media (min-width: 640px) { .subscribe-row { flex-direction: row; align-items: center; } }
.subscribe-row input {
  flex: 1;
  height: 2.75rem;
  border: 0;
  background: transparent;
  padding: 0 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: rgb(var(--fg));
}
.subscribe-row input::placeholder { color: rgb(var(--fg-subtle)); }
.subscribe-row input:focus { outline: none; }
.subscribe-row .btn { height: 2.5rem; flex-shrink: 0; }
.subscribe-fineprint {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: rgb(var(--fg-subtle));
}
.subscribe-success {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: rgb(var(--fg));
}

/* ---------------------------------------------------------------------------
   Footer
--------------------------------------------------------------------------- */
.site-footer {
  margin-top: 6rem;
  border-top: 1px solid rgb(var(--line));
  background: rgb(var(--canvas-subtle));
}
.site-footer .container { padding-top: 3rem; padding-bottom: 3rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 5fr 2fr 2fr 3fr;
  }
}
.footer-bio {
  margin-top: 1.25rem;
  max-width: 26rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgb(var(--fg-muted));
}
.footer-contact { margin-top: 1.25rem; font-size: 0.875rem; color: rgb(var(--fg-muted)); }
.footer-contact a { color: rgb(var(--fg)); }
.footer-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer-list a {
  font-size: 0.875rem;
  color: rgb(var(--fg-muted));
  transition: color 150ms;
}
.footer-list a:hover { color: rgb(var(--fg)); }
.footer-disclaimer {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgb(var(--fg-subtle));
}
.footer-disclaimer a { color: rgb(var(--fg-muted)); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgb(var(--line));
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: rgb(var(--fg-subtle));
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
.footer-bottom .mono { letter-spacing: 0.04em; }

/* ---------------------------------------------------------------------------
   404
--------------------------------------------------------------------------- */
.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 70vh;
  padding: 5rem 1rem;
}
.not-found-code {
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  color: rgb(var(--fg-subtle));
}
.not-found-title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.022em;
}
.not-found-desc {
  margin-top: 1.25rem;
  max-width: 32rem;
  color: rgb(var(--fg-muted));
  line-height: 1.65;
}
.not-found-cta {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}