:root {
  --ink: #f2efe7;
  --muted: #99978f;
  --faint: #5f5e58;
  --paper: #0a0a09;
  --paper-raised: #11110f;
  --line: rgba(242, 239, 231, 0.14);
  --line-strong: rgba(242, 239, 231, 0.28);
  --accent: #8ab4ff;
  --warning: #f3c969;
  --display: "Manrope", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(620px circle at var(--cursor-x, 76%) var(--cursor-y, 16%), rgba(138, 180, 255, 0.075), transparent 54%),
    var(--paper);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 20;
  content: "";
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

::selection {
  background: var(--accent);
  color: #080808;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

.shell {
  width: min(100% - 48px, 1400px);
  margin-inline: auto;
}

.reading-shell {
  width: min(100% - 48px, 1120px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.logo {
  text-decoration: none;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo-mark {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: clamp(20px, 3vw, 42px);
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

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

.blog-hero {
  position: relative;
  display: grid;
  min-height: min(760px, calc(88svh - 79px));
  padding-block: clamp(84px, 12vw, 168px) 48px;
  align-items: end;
  isolation: isolate;
}

.blog-hero::after {
  position: absolute;
  right: -10vw;
  bottom: -12vw;
  z-index: -1;
  width: min(50vw, 720px);
  aspect-ratio: 1;
  border: 1px solid rgba(138, 180, 255, 0.18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 10vw rgba(138, 180, 255, 0.02);
}

.blog-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: clamp(48px, 10vw, 150px);
  align-items: end;
}

.masthead-label {
  margin: 0 0 24px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: rise 600ms 60ms ease forwards;
}

.blog-title {
  margin: 0;
  font-size: clamp(5rem, 15vw, 13rem);
  font-weight: 700;
  line-height: 0.72;
  letter-spacing: -0.09em;
  opacity: 0;
  animation: rise 820ms 140ms cubic-bezier(0.2, 0.75, 0.25, 1) forwards;
}

.blog-intro {
  max-width: 420px;
  margin: 0;
  color: #c4c1b9;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.55;
  letter-spacing: -0.025em;
  opacity: 0;
  animation: rise 680ms 300ms ease forwards;
}

.notes-section {
  padding: clamp(90px, 11vw, 160px) 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: baseline;
  margin-bottom: clamp(48px, 6vw, 84px);
}

.section-kicker,
.notes-count {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-kicker {
  color: var(--accent);
}

.notes-count {
  color: var(--faint);
}

.post-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.post-row {
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease, background 180ms ease;
}

.post-row.visible {
  opacity: 1;
  transform: translateY(0);
}

.post-link {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 220px 28px;
  gap: clamp(18px, 3vw, 44px);
  align-items: center;
  min-height: 178px;
  padding: 24px 0;
  text-decoration: none;
}

.post-row:hover {
  background: rgba(255, 255, 255, 0.018);
}

.post-date,
.post-meta,
.post-tag,
.post-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.post-date,
.post-meta {
  color: var(--faint);
}

.post-heading {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
  transition: color 180ms ease, transform 180ms ease;
}

.post-description {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.65;
}

.post-taxonomy {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.post-tag {
  color: var(--accent);
}

.post-status {
  color: var(--muted);
}

.post-arrow {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 1.2rem;
  transition: color 180ms ease, transform 180ms ease;
}

.post-link:hover .post-heading {
  color: var(--accent);
  transform: translateX(6px);
}

.post-link:hover .post-arrow {
  color: var(--accent);
  transform: translate(4px, -4px);
}

.loading-row,
.empty-state {
  padding: 42px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.loading-row {
  animation: soft-pulse 1.2s ease-in-out infinite alternate;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 30px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-inner a {
  text-decoration: none;
  transition: color 180ms ease;
}

.footer-inner a:hover {
  color: var(--ink);
}

/* Article */
.reading-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 50;
  width: var(--reading-progress, 0%);
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(138, 180, 255, 0.55);
}

.article-header {
  padding: clamp(82px, 11vw, 156px) 0 clamp(68px, 9vw, 120px);
  border-bottom: 1px solid var(--line);
}

.article-category {
  margin: 0 0 28px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: rise 600ms 60ms ease forwards;
}

.article-title {
  max-width: 1080px;
  margin: 0;
  font-size: clamp(3.3rem, 8vw, 8.5rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.075em;
  text-wrap: balance;
  opacity: 0;
  animation: rise 820ms 130ms cubic-bezier(0.2, 0.75, 0.25, 1) forwards;
}

.article-deck {
  max-width: 720px;
  margin: clamp(36px, 5vw, 64px) 0 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.6;
  letter-spacing: -0.025em;
  opacity: 0;
  animation: rise 680ms 290ms ease forwards;
}

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 720px);
  gap: clamp(56px, 10vw, 148px);
  justify-content: center;
  padding-block: clamp(72px, 10vw, 140px);
}

.article-aside {
  position: sticky;
  top: 36px;
  align-self: start;
}

.article-facts {
  margin: 0;
}

.article-facts div {
  padding: 0 0 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-facts dt {
  margin-bottom: 7px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.article-facts dd {
  margin: 0;
  color: #c9c6bd;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
}

.article-body {
  min-width: 0;
  color: #cbc8c0;
  font-size: clamp(1rem, 1.35vw, 1.13rem);
  line-height: 1.85;
}

.article-body > :first-child {
  margin-top: 0;
}

.article-body h2 {
  margin: 3.2em 0 0.8em;
  color: var(--ink);
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.article-body h3 {
  margin: 2.5em 0 0.7em;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.article-body p,
.article-body ul,
.article-body ol {
  margin: 0 0 1.55em;
}

.article-body ul,
.article-body ol {
  padding-left: 1.25em;
}

.article-body li {
  margin-bottom: 0.55em;
  padding-left: 0.3em;
}

.article-body strong {
  color: var(--ink);
  font-weight: 600;
}

.article-body a {
  color: var(--accent);
  text-underline-offset: 0.22em;
}

.article-body blockquote {
  margin: 2.3em 0;
  padding: 2px 0 2px 26px;
  border-left: 2px solid var(--accent);
  color: var(--ink);
  font-size: 1.12em;
  line-height: 1.65;
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.code-block {
  position: relative;
  overflow: hidden;
  margin: 2.2em 0;
  border: 1px solid var(--line);
  background: var(--paper-raised);
}

.code-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.copy-code {
  min-width: 44px;
  min-height: 30px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  text-transform: uppercase;
  letter-spacing: inherit;
  cursor: pointer;
  transition: color 180ms ease;
}

.copy-code:hover {
  color: var(--ink);
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 22px;
  color: #d8d5cd;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.75;
  tab-size: 2;
}

code {
  font-family: var(--mono);
}

:not(pre) > code {
  padding: 0.12em 0.36em;
  background: var(--paper-raised);
  color: var(--ink);
  font-size: 0.88em;
}

.callout {
  margin: 2.4em 0;
  padding: 24px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.015);
}

.callout-label {
  margin: 0 0 10px !important;
  color: var(--warning);
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.callout p:last-child {
  margin-bottom: 0;
}

.article-end {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 5em;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.article-end a {
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.article-end a:hover {
  color: var(--accent);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes soft-pulse {
  from { opacity: 0.42; }
  to { opacity: 0.9; }
}

@media (max-width: 820px) {
  .shell,
  .reading-shell {
    width: min(100% - 32px, 1400px);
  }

  .nav {
    min-height: 68px;
  }

  .nav-links {
    gap: 18px;
  }

  .nav-links a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
  }

  .nav-links a[data-mobile-hide] {
    display: none;
  }

  .blog-hero {
    min-height: calc(100svh - 69px);
    padding-block: 84px 36px;
  }

  .blog-hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .blog-title {
    font-size: clamp(4.7rem, 27vw, 8rem);
  }

  .blog-intro {
    max-width: 500px;
  }

  .blog-hero::after {
    right: -38vw;
    bottom: 15vh;
    width: 94vw;
  }

  .post-link {
    grid-template-columns: minmax(0, 1fr) 24px;
    min-height: 0;
    padding: 30px 0;
  }

  .post-date {
    grid-column: 1;
    grid-row: 1;
  }

  .post-content {
    grid-column: 1;
    grid-row: 2;
  }

  .post-taxonomy {
    grid-column: 1;
    grid-row: 3;
    flex-direction: row;
    gap: 16px;
  }

  .post-arrow {
    grid-column: 2;
    grid-row: 1 / 4;
    align-self: center;
  }

  .article-header {
    padding-top: 72px;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .article-aside {
    position: static;
  }

  .article-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .article-facts div {
    margin: 0;
  }
}

@media (max-width: 480px) {
  .shell,
  .reading-shell {
    width: min(100% - 24px, 1400px);
  }

  .masthead-label {
    margin-bottom: 18px;
  }

  .blog-hero-grid {
    gap: 40px;
  }

  .section-head,
  .footer-inner,
  .article-end {
    flex-direction: column;
    align-items: flex-start;
  }

  .post-description {
    font-size: 0.74rem;
  }

  .article-title {
    font-size: clamp(3rem, 16vw, 4.8rem);
  }

  .article-facts {
    grid-template-columns: 1fr;
  }

  .code-block {
    margin-inline: -12px;
  }

  pre {
    padding: 18px;
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .post-row {
    opacity: 1;
    transform: none;
  }
}