/* Blog — editorial layout for /blog and /blog/<slug>.
   Inherits the studio palette from styles.css but sets its own measure,
   because long-form reading wants a much narrower column than the site grid. */

:root {
  --bg: #0c0d0f;
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.64);
  --faint: rgba(255, 255, 255, 0.42);
  --line: rgba(255, 255, 255, 0.14);
  --measure: 40rem;
  --page-padding: clamp(1.25rem, 4vw, 2.5rem);
}

* {
  box-sizing: border-box;
}

.blog-body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Geist, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ---------- nav ----------
   Ported from styles.css / nav-menu.css so the blog carries the same floating
   pill nav as the rest of the site. Keep in sync if the site nav changes. */

.nav {
  position: sticky;
  top: 0.85rem;
  z-index: 50;
  display: flex;
  width: min(calc(100% - 2rem), 78rem);
  align-items: center;
  justify-content: space-between;
  margin: 0.85rem auto 0;
  padding: 0.72rem 0.85rem;
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
  background: var(--nav-bg);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  color: var(--nav-fg);
}

.nav-dark {
  --nav-bg: rgba(10, 10, 10, 0.54);
  --nav-fg: #ffffff;
  --nav-shadow: 0 1.1rem 3rem rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  --nav-mark-fill: #ffffff;
  --nav-mark-fill-alt: #000000;
  --nav-mark-stroke: rgba(255, 255, 255, 0.88);
  --nav-link-ring: rgba(255, 255, 255, 0.34);
}

.brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--nav-fg);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 1.2rem;
  height: 0.88rem;
  flex: 0 0 auto;
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  top: 50%;
  width: 0.78rem;
  height: 0.78rem;
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.brand-mark::before {
  left: 0;
  background: var(--nav-mark-fill);
  box-shadow: 0 0 0 1px var(--nav-link-ring);
}

.brand-mark::after {
  right: 0;
  border: 1.5px solid var(--nav-mark-stroke);
  background: var(--nav-mark-fill-alt);
  animation: logoCircleDrift 3200ms ease-in-out infinite;
}

@keyframes logoCircleDrift {
  0%,
  100% {
    transform: translate(0, -50%);
  }
  50% {
    transform: translate(0.16rem, -50%);
  }
}

.nav-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.2vw, 1rem);
}

.nav-direct {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.2rem, 0.7vw, 0.6rem);
}

.nav-direct-link {
  display: inline-flex;
  min-height: 2.7rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 0.85rem;
  border-radius: 999px;
  color: color-mix(in srgb, var(--nav-fg) 76%, transparent);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.nav-direct-link:hover {
  color: var(--nav-fg);
  background: color-mix(in srgb, var(--nav-fg) 7%, transparent);
}

.nav-menu {
  position: relative;
  display: inline-flex;
}

.nav-menu-trigger--icon {
  width: 2.55rem;
  height: 2.55rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-menu-trigger--icon:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.nav-menu.is-open .nav-menu-trigger--icon {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.1);
}

.nav-menu-panel {
  position: fixed;
  z-index: 120;
  min-width: 11.5rem;
  padding: 0.4rem;
  border-radius: 1rem;
  background: rgba(14, 14, 14, 0.94);
  box-shadow: 0 1.1rem 2.4rem rgba(0, 0, 0, 0.42),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-menu-panel[hidden] {
  display: none;
}

.nav-menu-item {
  display: block;
  padding: 0.72rem 0.9rem;
  border-radius: 0.72rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.nav-menu-item:hover,
.nav-menu-item.is-active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-menu-divider {
  height: 1px;
  margin: 0.45rem 1rem;
  background: rgba(255, 255, 255, 0.1);
}

/* ---------- article ---------- */

.article {
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6.5rem) var(--page-padding) 5rem;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  color: var(--faint);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}

.article__head h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.article__standfirst {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.1875rem;
  line-height: 1.6;
  text-wrap: pretty;
}

/* Anchor nav — understated, sits between the head and the body */
.article__toc {
  margin: 3.5rem 0 0;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
}

.article__toc-label {
  margin: 0 0 0.75rem;
  color: var(--faint);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article__toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.article__toc a {
  color: var(--muted);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.article__toc a:hover {
  color: var(--fg);
}

.article__body {
  margin-top: 3.5rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
}

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

.article__body p {
  margin: 0 0 1.5rem;
  text-wrap: pretty;
}

.article__body h2 {
  margin: 3.5rem 0 1.25rem;
  color: var(--fg);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  scroll-margin-top: 2rem;
}

.article__body h3 {
  margin: 2.5rem 0 1rem;
  color: var(--fg);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  scroll-margin-top: 2rem;
}

.article__body ul,
.article__body ol {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
}

.article__body li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

.article__body a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 0.2em;
  transition: text-decoration-color 0.2s ease;
}

.article__body a:hover {
  text-decoration-color: var(--fg);
}

.article__body strong {
  color: var(--fg);
  font-weight: 500;
}

.article__body blockquote {
  margin: 2rem 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--line);
  color: var(--muted);
}

.article__body code {
  padding: 0.15em 0.4em;
  border-radius: 0.3rem;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.9em;
}

.article__body pre {
  margin: 2rem 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  overflow-x: auto;
}

.article__body pre code {
  padding: 0;
  background: none;
}

.article__body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
}

.article__body hr {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

/* Soft hand-off to the studio, not a hard sell */
.article__cta {
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.article__cta p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.article__cta a {
  color: var(--fg);
  font-size: 0.9375rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.article__cta a:hover {
  border-color: var(--fg);
}

/* ---------- index ---------- */

.index {
  max-width: 52rem;
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6.5rem) var(--page-padding) 5rem;
}

.index__head h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.index__head p {
  margin: 1rem 0 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.6;
}

.index__list {
  margin: 4rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

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

.index__item a {
  display: block;
  padding: 2rem 0;
  text-decoration: none;
  color: inherit;
}

.index__item time {
  display: block;
  color: var(--faint);
  font-size: 0.8125rem;
}

.index__item h2 {
  margin: 0.75rem 0 0;
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.index__item p {
  margin: 0.625rem 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.index__item a:hover h2 {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- footer ---------- */

.blog-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 62rem;
  margin: 0 auto;
  padding: 2rem var(--page-padding) 3rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.8125rem;
}

.blog-footer p {
  margin: 0;
}

.blog-footer a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}