@font-face {
  font-family: "Source Sans 3";
  src: url("/fonts/SourceSans3-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("/fonts/Fraunces-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark light;
  --blog-void: #030504;
  --blog-ink-light: #f7f7f4;
  --blog-muted-dark: #9da69f;
  --blog-dim: #747d77;
  --blog-cyan: #00e5ff;
  --blog-amber: #ffb000;
  --blog-paper: #faf7f2;
  --blog-ink: #102c40;
  --blog-ink-soft: #3d5566;
  --blog-muted: #6d7f8b;
  --blog-faint: #7d8d96;
  --blog-mint: #e8f3ef;
  --blog-gold: #ffc94a;
  --blog-pine: #226a5b;
  --blog-card: #fffdf9;
  --blog-rule: #d7e4e8;
  --blog-line: rgba(255, 255, 255, 0.11);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.blog {
  min-width: 320px;
  background: var(--blog-void);
  color: var(--blog-ink-light);
  font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--blog-cyan);
  outline-offset: 3px;
}

.blog-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.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;
}

/* --- Dark sky / masthead ------------------------------------------- */

.blog-sky {
  position: relative;
  isolation: isolate;
  padding: 0 0 56px;
  background:
    radial-gradient(ellipse at 80% 12%, rgba(0, 229, 255, 0.1), transparent 42%),
    radial-gradient(ellipse at 8% 0%, rgba(255, 176, 0, 0.08), transparent 34%),
    var(--blog-void);
  overflow: hidden;
}

.blog-sky::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 28% 58%, rgba(255, 255, 255, 0.22), transparent),
    radial-gradient(1.5px 1.5px at 63% 18%, rgba(0, 229, 255, 0.45), transparent),
    radial-gradient(1px 1px at 81% 42%, rgba(255, 255, 255, 0.28), transparent),
    radial-gradient(1px 1px at 91% 12%, rgba(255, 176, 0, 0.4), transparent),
    radial-gradient(1px 1px at 44% 8%, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0.7;
}

.blog-sky-slim {
  padding-bottom: 28px;
}

.blog-nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 2;
}

.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.045em;
  color: var(--blog-ink-light);
}

.blog-brand-mark {
  display: block;
  width: 34px;
  height: 29.3px;
  flex: 0 0 34px;
  position: relative;
  overflow: hidden;
}

.blog-brand-mark img {
  position: absolute;
  width: 100%;
  height: 100%;
  max-width: none;
  left: 0;
  top: 0;
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.blog-nav-links a {
  padding: 9px 0;
  color: var(--blog-muted-dark);
  font-size: 14px;
}

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

.blog-nav-links a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--blog-cyan);
}

/* --- Index hero ---------------------------------------------------- */

.blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  gap: 36px 56px;
  align-items: center;
  padding: 12px 0 8px;
}

.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--blog-cyan);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.blog-eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blog-amber);
  box-shadow: 0 0 12px rgba(255, 176, 0, 0.7);
}

.blog-hero-title {
  margin: 0 0 14px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.045em;
  color: var(--blog-ink-light);
  font-variation-settings: "SOFT" 40, "WONK" 0.4, "opsz" 144;
}

.blog-hero-title em {
  color: var(--blog-cyan);
  font-style: normal;
  text-shadow: 0 0 35px rgba(0, 229, 255, 0.2);
}

.blog-hero-lede {
  max-width: 26em;
  margin: 0;
  color: var(--blog-muted-dark);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.45;
}

.blog-hero-media {
  margin: 0;
  position: relative;
}

.blog-hero-frame {
  position: relative;
  height: 360px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 40px rgba(0, 229, 255, 0.08),
    0 28px 60px rgba(0, 0, 0, 0.45);
}

.blog-hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 58%, rgba(3, 5, 4, 0.55) 100%),
    linear-gradient(90deg, rgba(3, 5, 4, 0.18), transparent 24%);
}

.blog-hero-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
}

.blog-hero-media figcaption {
  margin: 12px 4px 0;
  color: var(--blog-dim);
  font-size: 13px;
  letter-spacing: -0.01em;
}

/* --- Slim post series bar ------------------------------------------ */

.blog-series-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 4px 0 8px;
}

.blog-series-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.blog-series-tim {
  width: 76px;
  height: 76px;
  flex: 0 0 76px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 0 20px rgba(255, 176, 0, 0.16);
}

.blog-series-tim img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 40.5% 16%;
  transform: scale(2.35);
  transform-origin: 40.5% 16%;
}

.blog-series-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.blog-series-copy .blog-eyebrow {
  margin: 0;
}

.blog-series-name {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--blog-ink-light);
  font-variation-settings: "SOFT" 50, "WONK" 0.3, "opsz" 72;
}

.blog-series-name em {
  color: var(--blog-cyan);
  font-style: normal;
}

.blog-series-back {
  color: var(--blog-muted-dark);
  font-size: 14px;
}

.blog-series-back:hover {
  color: var(--blog-ink-light);
}

/* --- Cream paper well ---------------------------------------------- */

.blog-paper {
  position: relative;
  z-index: 1;
  margin-top: -22px;
  padding: 8px 0 0;
  background: var(--blog-paper);
  color: var(--blog-ink);
  border-radius: 36px 36px 0 0;
  box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.28);
}

.blog-paper a:focus-visible {
  outline-color: var(--blog-pine);
}

.blog-split {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 48px 64px;
  align-items: start;
  padding: 44px 0 72px;
}

.blog-toc {
  position: sticky;
  top: 28px;
  padding-top: 12px;
}

.blog-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--blog-faint);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.blog-kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--blog-rule);
}

.blog-kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blog-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

.blog-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-post-row {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px 14px 13px 12px;
  border-radius: 16px;
  color: var(--blog-ink);
}

.blog-post-row:hover .blog-post-title {
  color: var(--blog-pine);
}

.blog-post-row.is-active {
  background: var(--blog-mint);
}

.blog-post-dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: #c9d8d4;
}

.blog-post-row.is-active .blog-post-dot {
  background: var(--blog-amber);
  box-shadow: 0 0 0 3px rgba(255, 176, 0, 0.18);
}

.blog-post-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.blog-post-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  font-variation-settings: "SOFT" 40, "WONK" 0, "opsz" 72;
}

.blog-post-deck {
  color: var(--blog-ink-soft);
  font-size: 13.5px;
  line-height: 1.45;
}

.blog-post-row time {
  color: var(--blog-muted);
  font-size: 13px;
}

.blog-essay {
  min-height: 420px;
  padding: 40px 44px 52px;
  border-radius: 28px;
  background: var(--blog-card);
  box-shadow: 0 0 0 1px rgba(16, 44, 64, 0.04);
}

.blog-essay-kicker {
  margin-bottom: 22px;
}

.blog-essay-title {
  max-width: 16em;
  margin: 0 0 16px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--blog-ink);
  font-variation-settings: "SOFT" 24, "WONK" 0, "opsz" 144;
}

.blog-essay-title a:hover {
  color: var(--blog-pine);
}

.blog-essay-rule {
  display: block;
  width: 48px;
  height: 3px;
  margin: 0 0 22px;
  background: linear-gradient(90deg, var(--blog-cyan), var(--blog-amber));
  border-radius: 2px;
}

.blog-essay-meta {
  margin: 0 0 36px;
  color: var(--blog-muted);
  font-size: 14px;
}

.blog-prose {
  max-width: 38em;
  font-family: "Fraunces", Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 18.5px;
  line-height: 1.7;
  color: var(--blog-ink);
  font-variation-settings: "SOFT" 60, "WONK" 0, "opsz" 18;
}

.blog-prose > *:first-child {
  margin-top: 0;
}

.blog-prose p,
.blog-prose li {
  margin: 0 0 1.15em;
}

.blog-prose h2 {
  margin: 2.1em 0 0.7em;
  font-size: 26px;
  font-weight: 550;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-variation-settings: "SOFT" 20, "WONK" 0, "opsz" 72;
}

.blog-prose a {
  color: var(--blog-pine);
  text-decoration: underline;
  text-decoration-color: rgba(34, 106, 91, 0.35);
  text-underline-offset: 3px;
}

.blog-prose a:hover {
  color: var(--blog-ink);
  text-decoration-color: var(--blog-cyan);
}

.blog-prose a:focus-visible {
  outline-color: var(--blog-pine);
}

.blog-prose strong {
  font-weight: 600;
}

.blog-path {
  margin: 1.4em 0;
  color: var(--blog-ink-soft);
}

.blog-signoff {
  margin: 2.8em 0 0;
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 15px;
  color: var(--blog-ink-soft);
}

/* --- Footer -------------------------------------------------------- */

.blog-footer {
  background: var(--blog-void);
  color: var(--blog-muted-dark);
  padding: 36px 0 48px;
}

.blog-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.blog-footer .blog-brand {
  font-size: 18px;
}

.blog-footer p {
  max-width: 42em;
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

.blog-footer a:not(.blog-brand) {
  color: var(--blog-ink-light);
  text-decoration: underline;
  text-decoration-color: rgba(247, 247, 244, 0.28);
  text-underline-offset: 3px;
}

.blog-footer a:hover {
  color: var(--blog-cyan);
}

@media (max-width: 880px) {
  .blog-shell {
    width: min(100% - 32px, 680px);
  }

  .blog-hero {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 4px;
  }

  .blog-hero-frame {
    height: 240px;
  }

  .blog-hero-title {
    font-size: clamp(36px, 10vw, 52px);
  }

  .blog-split {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0 56px;
  }

  .blog-toc {
    position: static;
    order: 2;
  }

  .blog-essay {
    order: 1;
    padding: 28px 22px 36px;
    border-radius: 22px;
  }

  .blog-essay-title {
    max-width: none;
  }

  .blog-paper {
    border-radius: 28px 28px 0 0;
  }
}

@media (max-width: 520px) {
  .blog-nav {
    height: auto;
    padding: 18px 0 10px;
  }

  .blog-series-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-prose {
    font-size: 17.5px;
  }
}

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