/* ==========================================================================
   AltStore — an editorial theme for Micro.blog
   ========================================================================== */

:root {
  /* Type */
  --font-sans: Poppins, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* Palette */
  --ink:            #1c1d1d;   /* faq.altstore.io */
  --ink-secondary:  #646464;
  --ink-tertiary:   #86868b;
  --accent:         #0f7e82;
  --accent-dark:    #025267;
  --bg:             #f8fafc;   /* developer.altstore.io */
  --bg-subtle:      #eef2f7;
  --rule:           #d2d2d7;

  /* Layout */
  --measure:        900px;
  --measure-wide:   980px;   /* site banner only */
  --gutter:         20px;
}


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

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

body {
  margin: 0;
  /* Approximates developer.altstore.io's mesh-gradient overlay: a teal wash
     strongest at the top left, gone by ~700px down, over the flat page. */
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 8% -8%, rgba(95, 181, 172, 0.22), rgba(95, 181, 172, 0) 70%),
    radial-gradient(900px 500px at 88% -4%, rgba(150, 212, 205, 0.16), rgba(150, 212, 205, 0) 72%);
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Links ---------------------------------------------------------------- */

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: var(--gutter);
  top: 10px;
  z-index: 100;
  background: var(--bg);
  padding: 10px 16px;
  border: 2px solid var(--accent);
  border-radius: 6px;
}

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

/* --- Header --------------------------------------------------------------- */

/* The banner mirrors altstore.io: black wordmark on white. */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 24px 5%;   /* altstore.io's nav */
}

.site-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
  min-height: 40px;   /* 88px with the padding, as on altstore.io */
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.site-logo { display: block; flex: none; }

.site-logo img {
  display: block;
  width: 124px;   /* altstore.io */
  height: auto;
}

.site-social {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 30px;
  padding-left: 18px;
  border-left: 1px solid #e4e6f1;   /* altstore.io's divider */
}

.site-social a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  /* altstore.io's icons are pure black at full strength. */
  color: #000;
  opacity: 1;
  transition: opacity 0.15s ease;
}
.site-social a:hover { opacity: 0.7; text-decoration: none; }
.site-social svg { width: 100%; height: 100%; }

/* altstore.io's nav buttons. The padding is the spacing: 56px between
   labels, and the last one sits 24px in from the edge. */
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.site-nav a {
  padding: 8px 24px;
  color: var(--accent-dark);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02px;
  line-height: 20px;
}
.site-nav a:hover { color: var(--ink); text-decoration: none; }

/* altstore.io drops the icons at 767px and shrinks the links at 479px.
   Blog makes a third link, so each step has to come sooner. */
@media (max-width: 860px) {
  .site-social { display: none; }
}

@media (max-width: 640px) {
  .site-header__inner { gap: 10px; }
  .site-logo img { width: 104px; }
  .site-nav { gap: 4px; }
  .site-nav a { padding: 12px 10px; font-size: 17px; }
}

/* A 360–400px phone only fits all three beside the wordmark with less padding. */
@media (max-width: 400px) {
  .site-nav a { padding-left: 5px; padding-right: 5px; }
}

/* --- Page shell ----------------------------------------------------------- */

.page-content {
  padding: 0 0 80px;
}

/* --- Article -------------------------------------------------------------- */

.article-hero {
  margin: 0 0 40px;
  padding: 0;
}

.article-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: cover;
}

.article-hero figcaption {
  max-width: var(--measure);
  margin: 12px auto 0;
  padding: 0 var(--gutter);
  color: var(--ink-tertiary);
  font-size: 14px;
  line-height: 1.4;
}

.article-header,
.article-body,
.content-meta,
.comments {
  max-width: var(--measure);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.article-header { padding-top: 50.4px; }   /* 48px + 5% */
.article-hero + .article-header { padding-top: 0; }

.kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-title {
  margin: 0 0 20px;
  /* Stratechery's Article title: clamp(2rem … 2.25rem). */
  font-size: clamp(2rem, 2rem + ((1vw - 0.234rem) * 0.616), 2.25rem);
  font-weight: 500;
  letter-spacing: -0.003em;
  line-height: 1.1;   /* Poppins descenders collide at Stratechery's 1.0 */
}

.standfirst {
  margin: 0 0 24px;
  color: var(--ink-secondary);
  font-size: 20px;
  line-height: 1.45;
  font-weight: 400;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  color: var(--ink-tertiary);
  font-size: 14px;
}

.article-byline a { color: var(--ink-tertiary); }
.article-byline a:hover { color: var(--ink); }
.byline-sep { color: var(--rule); }

/* --- Share row ------------------------------------------------------------ */

.share {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 0 0 40px;
  padding: 0 0 24px;
  border-bottom: 1px solid var(--rule);
}

.share li { display: flex; align-items: center; }

.share__btn {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  cursor: pointer;
  transition: color 0.15s ease;
}

.share__btn:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

.share__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.share__btn svg { width: 17px; height: 17px; }

.share__toast {
  margin-left: 8px;
  color: var(--ink-tertiary);
  font-size: 14px;
}

/* --- Article body --------------------------------------------------------- */

.article-body p { margin: 0 0 22px; }

.article-body h2 {
  margin: 44px 0 12px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.article-body h3 {
  margin: 32px 0 10px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.article-body ul,
.article-body ol { margin: 0 0 22px; padding-left: 24px; }
.article-body li { margin-bottom: 8px; }

.article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto;
  border-radius: 8px;
}

.article-body blockquote {
  margin: 32px 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--accent);
  color: var(--ink-secondary);
  font-size: 18px;
  line-height: 1.5;
}

.article-body hr {
  margin: 44px 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.article-body pre {
  margin: 0 0 22px;
  padding: 16px 18px;
  background: var(--bg-subtle);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.5;
}

.article-body code {
  font-size: 0.85em;
  background: var(--bg-subtle);
  padding: 2px 5px;
  border-radius: 4px;
}
.article-body pre code { background: none; padding: 0; }

.article-body table {
  width: 100%;
  margin: 0 0 22px;
  border-collapse: collapse;
  font-size: 18px;
}
.article-body th,
.article-body td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}

.reply-to {
  max-width: var(--measure);
  margin: 0 auto 20px;
  padding: 0 var(--gutter);
  color: var(--ink-tertiary);
  font-size: 14px;
}

/* --- Listings ------------------------------------------------------------- */

.stories {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 48px var(--gutter) 0;
}

.stories__item {
  padding-bottom: 36px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--rule);
}
.stories__item:last-child { border-bottom: 0; }

.story--illustrated {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
}

.story__image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 10px;
}

.story__title {
  margin: 0 0 10px;
  font-size: 27px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.story__title a { color: var(--ink); }
.story__title a:hover { color: var(--accent); text-decoration: none; }

.story__summary {
  margin: 0 0 12px;
  color: var(--ink-secondary);
  font-size: 18px;
  line-height: 1.5;
}
.story__summary p { margin: 0 0 10px; }

.story__meta { color: var(--ink-tertiary); font-size: 14px; }
.story__meta a { color: var(--ink-tertiary); }

/* Lead story: full width, bigger everything. */
.stories__item--lead .story--illustrated {
  grid-template-columns: 1fr;
  gap: 20px;
}
.stories__item--lead .story__image img { aspect-ratio: 21 / 9; }
.stories__item--lead .story__title { font-size: 36px; letter-spacing: -0.02em; }
.stories__item--lead .story__summary { font-size: 18px; }

/* Titleless microposts read as plain entries. */
.story--micro .e-content { font-size: 18px; }
.story--micro .e-content p { margin: 0 0 12px; }
.story--micro .e-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* --- Archive header ------------------------------------------------------- */

.archive-header {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 48px var(--gutter) 0;
}

.category-title {
  margin: 0;
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

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

.term-list {
  list-style: none;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 48px var(--gutter) 0;
}

.term {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.term:last-child { border-bottom: 0; }

.term__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  color: var(--ink);
}
.term__link:hover { color: var(--accent); text-decoration: none; }

.term__name {
  font-size: 27px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.term__count {
  flex: none;
  padding: 2px 10px;
  background: var(--bg-subtle);
  border-radius: 100px;
  color: var(--ink-tertiary);
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.term__recent {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ink-secondary);
}
.term__recent a { color: var(--ink-secondary); }
.term__recent a:hover { color: var(--accent); }

.term__date {
  color: var(--ink-tertiary);
  white-space: nowrap;
}
.term__date::before { content: " · "; }

.term-empty { color: var(--ink-secondary); }

/* --- Archive list --------------------------------------------------------- */

.archive-list {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 40px var(--gutter) 0;
}

.archive-year { margin-bottom: 36px; }

.archive-year__label {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-tertiary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.archive-year ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.archive-entry + .archive-entry { border-top: 1px solid var(--rule); }

.archive-entry__link {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 10px 0;
  color: var(--ink);
}
.archive-entry__link:hover { color: var(--accent); text-decoration: none; }

.archive-entry__date {
  flex: none;
  width: 96px;
  color: var(--ink-tertiary);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.archive-entry__title { font-size: 18px; }
.archive-entry__title--micro { color: var(--ink-secondary); }

@media (max-width: 600px) {
  .archive-entry__link { flex-direction: column; gap: 2px; }
  .archive-entry__date { width: auto; }
}

/* --- Meta, tags, replies -------------------------------------------------- */

.content-meta { margin-top: 44px; }

.post-tags {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-tags a {
  display: inline-block;
  padding: 5px 12px;
  background: var(--bg-subtle);
  border-radius: 100px;
  color: var(--ink-secondary);
  font-size: 14px;
}
.post-tags a:hover { color: var(--accent); text-decoration: none; }

.reply-buttons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button,
.reply-buttons button {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--rule);
  border-radius: 100px;
  background: none;
  color: var(--ink-secondary);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}
.button:hover,
.reply-buttons button:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.post-nav {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 20px var(--gutter) 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.post-nav:has(.button:only-child) { justify-content: flex-end; }

.comments { margin-top: 40px; }

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

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 24px 0;
}

.site-footer__inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
  color: var(--ink-tertiary);
  font-size: 14px;
  text-align: center;
}

.site-footer__inner p { margin: 0 0 6px; }

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 760px) {
  .story--illustrated {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .story__image img { aspect-ratio: 16 / 9; }
  .stories__item--lead .story__title { font-size: 27px; }
}

@media (max-width: 600px) {
  /* Sumo holds its 18px base on small screens; only display headings step down. */
  .standfirst { font-size: 18px; }
  .article-header { padding-top: 33.6px; }   /* 32px + 5% */
  .article-hero { margin-bottom: 28px; }
  .article-hero img { max-height: 50vh; }

  .story__title { font-size: 20px; }
  .category-title { font-size: 27px; }
  .term__name { font-size: 20px; }
  .stories { padding-top: 32px; }
}

/* --- Print ---------------------------------------------------------------- */

@media print {
  .site-header, .site-footer, .reply-buttons, .comments, .post-nav, .share { display: none; }
  body { font-size: 12pt; color: #000; background: #fff; }
  .article-header, .article-body { max-width: none; }
}