/* TRUE /updates — blog layer on top of the design-system kit.
   Only layout and reading typography live here. Every colour, radius, shadow
   and font comes from the kit tokens. */

.u-main { padding-block: 32px 64px; }

/* WHITE PAGE (Ben 2026-09-29: "everything on white background"). The kit's
   light theme is a soft grey; the blog reads on pure white with the cards
   one step off it. Only the surface tokens move, everything else inherits. */
html.light { --bg: #ffffff; --s2: #ffffff; --s3: #f6f6f9; --s4: #eef0f5; }
html.light body { background: #ffffff; }

/* ---------------------------------------------------------------- chrome */

.u-head {
  border-bottom: 1px solid var(--border);
  background: var(--s2);
  position: sticky;
  top: 0;
  z-index: 20;
}
.u-head-in {
  max-width: 1120px;
  margin-inline: auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.u-brand { display: inline-flex; align-items: center; }
.u-brand img { display: block; height: 24px; width: auto; }
.u-nav { display: flex; align-items: center; gap: 16px; }
.u-nav a { color: var(--t2); text-decoration: none; font-size: 14px; }
.u-nav a:hover { color: var(--t1); }
.u-nav a.btn { color: var(--on-v); }
.u-nav a.btn--secondary, .u-nav a.btn--ghost { color: var(--t2); }

.u-foot { border-top: 1px solid var(--border); background: var(--s2); margin-top: 64px; }
.u-foot-in { max-width: 1120px; margin-inline: auto; padding: 32px 20px 40px; display: grid; gap: 20px; }
.u-risk { color: var(--t3); font-size: 12px; line-height: 1.6; margin: 0; max-width: 76ch; }
.u-copy { color: var(--t3); font-size: 12px; margin: 0; }
.u-copy a { color: var(--t2); text-decoration: none; }
.u-copy a:hover { color: var(--t1); }

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

.u-hero-block { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.u-list { display: grid; gap: 20px; max-width: 880px; margin-inline: auto; }

.u-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  padding: 0;
}
/* Two columns ONLY when the card actually has an image. Without this the
   text lands in a 34% column and two thirds of the card is empty. */
@media (min-width: 720px) {
  .u-item:has(.u-itemmedia) { grid-template-columns: minmax(0, 34%) minmax(0, 1fr); align-items: stretch; }
}
.u-item:not(:has(.u-itemmedia)) .u-itembody { padding: 24px 28px 26px; }
.u-itemmedia { display: block; overflow: hidden; background: var(--s3); }
.u-itemmedia img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: center; }
.u-itembody { display: grid; gap: 10px; align-content: start; padding: 20px 20px 24px; }
.u-itemtitle { font-size: 20px; font-weight: 590; line-height: 1.3; color: var(--t1); }
.u-itemexcerpt { color: var(--t2); font-size: 15px; line-height: 1.6; }
.u-itemmore { color: var(--v-text); font-size: 14px; font-weight: 510; }
.u-item:hover .u-itemtitle { color: var(--v-text); }

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

.u-article { max-width: 720px; margin-inline: auto; }
.u-back { display: inline-block; color: var(--t3); text-decoration: none; font-size: 14px; margin-bottom: 24px; }
.u-back:hover { color: var(--t1); }

.u-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--t3); font-size: 13px; }
.u-dot { color: var(--t4); }

.u-h1 { font-size: 52px; line-height: 1.05; font-weight: 700; letter-spacing: -0.035em; color: var(--t1); margin: 20px 0 18px; }
.u-excerpt { font-size: 20px; line-height: 1.55; color: var(--t2); margin: 0 0 36px; letter-spacing: -0.01em; }

.u-hero { margin: 0 0 32px; border-radius: 16px; overflow: hidden; background: var(--s3); border: 1px solid var(--border); }
.u-hero img, .u-hero video { display: block; width: 100%; height: auto; }

.u-body { color: var(--t2); font-size: 17px; line-height: 1.7; letter-spacing: -0.008em; }
.u-body > * + * { margin-top: 20px; }
.u-lead { font-size: 21px; line-height: 1.55; color: var(--t1); letter-spacing: -0.015em; font-weight: 500; }
.u-p { margin: 0; }
.u-body > .u-p + .u-p { margin-top: 28px; }
.u-body a { color: var(--v-text); text-decoration: underline; text-underline-offset: 2px; }
.u-body code { font-family: var(--mono); font-size: 0.88em; background: var(--s3); border: 1px solid var(--border); border-radius: 10px; padding: 1px 6px; color: var(--t1); }
.u-body strong { color: var(--t1); font-weight: 590; }

.u-h2 { font-size: 34px; line-height: 1.15; font-weight: 700; color: var(--t1); margin-top: 64px; letter-spacing: -0.03em; }
.u-h3 { font-size: 22px; line-height: 1.25; font-weight: 650; color: var(--t1); margin-top: 36px; letter-spacing: -0.02em; }
.u-emoji { font-size: 0.9em; line-height: 1; margin-right: 0.3em; }
.u-badge {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: #fff; background: var(--gradient-accent); border-radius: 9999px; padding: 4px 10px;
  vertical-align: middle; margin-left: 8px; position: relative; top: -3px;
}
/* Feature cards: two wide columns, emoji on the left, a bold title and a
   short line. Wide and short reads; a narrow tall column of text does not. */
.u-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin: 24px 0; }
.u-card {
  display: flex; flex-direction: row; align-items: flex-start; gap: 14px;
  padding: 18px 20px; border-radius: 18px; background: var(--s3); border: 1px solid var(--border);
  font-size: 16px; line-height: 1.5; color: var(--t2);
}
.u-card-emoji { font-size: 28px; line-height: 1.1; flex: 0 0 auto; }
.u-card-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.u-card b { color: var(--t1); font-size: 17px; letter-spacing: -0.01em; }
@media (max-width: 720px) { .u-cards { grid-template-columns: 1fr; } }

/* Feature rows: phone on the left, text on the right (builders section). */
.u-feats { display: flex; flex-direction: column; gap: 20px; margin: 28px 0; }
.u-feat {
  display: grid; grid-template-columns: 200px 1fr; gap: 28px; align-items: center;
  padding: 24px; border-radius: 22px; background: var(--s3); border: 1px solid var(--border);
}
.u-feat-media .u-phone { flex-basis: 200px; max-width: 200px; }
.u-feat-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.u-feat-emoji { font-size: 30px; line-height: 1.1; }
.u-feat-body b { font-size: 22px; line-height: 1.2; color: var(--t1); letter-spacing: -0.02em; }
.u-feat-body p { margin: 0; font-size: 17px; line-height: 1.55; color: var(--t2); }
@media (max-width: 720px) {
  .u-feat { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
  .u-feat-media { display: flex; justify-content: center; }
  .u-feat-media .u-phone { flex-basis: min(60vw, 220px); max-width: min(60vw, 220px); }
}

/* Cover banner at the top of the article. Brand violet, fixed values on
   purpose (a mark and its surface are not theme tokens). */
.u-cover {
  position: relative; overflow: hidden; margin: 12px 0 28px; border-radius: 28px;
  min-height: 380px; display: flex; align-items: flex-end;
  background: linear-gradient(160deg, #9263FF 0%, #733CEC 32%, #3b1f8f 68%, #141127 100%);
  color: #fff;
}
.u-cover-art { position: absolute; inset: 0; width: 100%; height: 100%; }
.u-cover-in { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 36px 40px; max-width: 560px; }
.u-cover-logo { display: block; width: 176px; height: auto; margin-bottom: 18px; }
.u-cover-kicker { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.85; }
.u-cover-title { color: #fff; margin: 0; text-shadow: 0 2px 24px rgba(20, 17, 39, 0.35); }
.u-cover-sub { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; font-size: 15px; font-weight: 700; letter-spacing: 0.02em; color: #fff; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.35); border-radius: 9999px; padding: 8px 14px; }
@media (max-width: 720px) {
  .u-cover { min-height: 340px; border-radius: 22px; margin: 4px 0 24px; }
  .u-cover-in { padding: 28px 22px; }
  .u-cover-logo { width: 140px; margin-bottom: 40px; }
}
.u-chains { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.u-chain {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 8px; border-radius: 9999px; background: var(--s3); border: 1px solid var(--border);
  font-size: 15px; font-weight: 600; color: var(--t1);
}
.u-chain img { width: 28px; height: 28px; border-radius: 50%; display: block; }
.u-tag { padding: 10px 16px; }

.u-ul, .u-ol { margin: 0; padding-left: 22px; display: grid; gap: 8px; }
.u-ul li::marker { color: var(--t4); }
.u-ol li::marker { color: var(--t3); font-variant-numeric: tabular-nums; }

.u-fig { margin: 32px 0; }
.u-fig img, .u-fig video {
  display: block; width: 100%; height: auto;
  border-radius: 16px; border: 1px solid var(--border); background: var(--s3);
}
.u-fig figcaption { color: var(--t3); font-size: 13px; line-height: 1.6; margin-top: 10px; }
.u-embed { position: relative; }
.u-embed iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 1px solid var(--border); border-radius: 16px; }

.u-quote { margin: 32px 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--v); }
.u-quote p { margin: 0; font-size: 19px; line-height: 1.6; color: var(--t1); }
.u-quote cite { display: block; margin-top: 10px; color: var(--t3); font-size: 14px; font-style: normal; }

.u-callout-body { color: var(--t2); font-size: 15px; line-height: 1.65; }
.u-hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }
.u-cta { margin: 40px 0 8px; }
.u-body .u-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 28px;
  border-radius: 14px;
  background-image: var(--gradient-accent);
  color: var(--on-v);
  font-size: 16px;
  font-weight: 590;
  text-decoration: none;
  box-shadow: var(--shadow-accent-glow);
  transition: filter .15s ease, transform .15s ease;
}
.u-body .u-cta a:hover { filter: brightness(1.06); transform: translateY(-1px); }
.u-body .u-cta a:active { transform: translateY(0); }
@media (max-width: 560px) {
  .u-cta { margin-inline: 0; }
  .u-body .u-cta a { display: flex; width: 100%; height: 56px; font-size: 17px; }
}

.u-cite { font-size: 11px; line-height: 0; vertical-align: super; margin-left: 1px; }
.u-cite a { color: var(--v-text); text-decoration: none; font-variant-numeric: tabular-nums; }
.u-cite a:hover { text-decoration: underline; }

.u-refs { max-width: 720px; margin: 48px auto 0; padding-top: 8px; border-top: 1px solid var(--border); }
.u-reflist { margin: 16px 0 0; padding-left: 22px; display: grid; gap: 10px; color: var(--t2); font-size: 14px; line-height: 1.6; }
.u-reflist a { color: var(--v-text); }
.u-backref { margin-left: 6px; color: var(--t4); text-decoration: none; }

.u-byline { margin-top: 40px; color: var(--t3); font-size: 14px; }

.u-pager { max-width: 880px; margin: 48px auto 0; display: grid; gap: 16px; }
@media (min-width: 720px) { .u-pager { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.u-pagelink { display: grid; gap: 6px; padding: 20px; text-decoration: none; color: inherit; }
.u-pagelink--next { text-align: right; }
.u-pagelabel { color: var(--t3); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.u-pagetitle { color: var(--t1); font-size: 16px; font-weight: 510; line-height: 1.4; }
.u-pagelink:hover .u-pagetitle { color: var(--v-text); }

@media (max-width: 560px) {
  /* Phone: bigger type, more air, shorter blocks. Ben 2026-09-29: "too much
     text, people don't read it, a bit larger fonts". */
  .u-h1 { font-size: 36px; }
  .u-h2 { font-size: 29px; margin-top: 56px; margin-bottom: 18px; line-height: 1.12; }
  .u-h3 { font-size: 22px; margin-top: 36px; }
  .u-lead { font-size: 22px; line-height: 1.5; }
  .u-body { font-size: 18px; line-height: 1.72; }
  .u-body > * + * { margin-top: 24px; }
  .u-ul, .u-ol { gap: 12px; }
  .u-card { font-size: 17px; padding: 18px; }
  .u-feat-body p { font-size: 18px; }
  .u-stat b { font-size: 30px; }
  .u-stat small { font-size: 14px; }
  .u-table { font-size: 15px; }
  .u-nav > a:not(.btn) { display: none; }
}


/* ------------------------------------------------- product screenshots */
/* App screens sit inside a device frame at a believable phone size. The frame
   supplies the phone context, so the screenshot goes in whole: nothing is
   cropped and nothing is stretched. Radii stay on the token scale (24 outer,
   16 screen), which reads as a phone at this size. */

.u-screens { margin: 40px 0; }
.u-screenrow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 28px;
  padding: 36px 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--s3);
}

.u-phone {
  position: relative;
  display: block;
  flex: 0 1 250px;
  max-width: 250px;
  padding: 8px;
  border-radius: 24px;
  background: var(--t1);
  box-shadow: var(--shadow-menu);
}
.u-phone-island {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 10px;
  border-radius: 9999px;
  background: var(--t1);
  z-index: 2;
}
.u-phone-screen {
  display: block;
  overflow: hidden;
  border-radius: 16px;
  background: var(--s2);
}
.u-phone-screen img, .u-phone-screen video { display: block; width: 100%; height: auto; }

/* Milestone tiles, timeline, banner (Q3 2026 update). */
.u-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 28px 0;
}
.u-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  border-radius: 16px;
  background: var(--s2);
  border: 1px solid var(--border);
}
.u-stats:has(> .u-stat:nth-child(4):last-child) { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 720px) { .u-stats:has(> .u-stat:nth-child(4):last-child) { grid-template-columns: repeat(2, 1fr); } }
.u-stat-emoji { font-size: 24px; line-height: 1; margin-bottom: 6px; }
.u-stat b { font-size: 32px; font-weight: 700; line-height: 1.1; color: var(--t1); letter-spacing: -0.01em; }
.u-stat small { font-size: 13px; color: var(--t3); line-height: 1.35; }
.u-timeline {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--border);
}
.u-timeline li { display: flex; gap: 16px; padding: 0 0 22px 20px; position: relative; }
.u-timeline li::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--v);
  box-shadow: 0 0 0 3px var(--bg);
}
.u-timeline li:last-child { padding-bottom: 4px; }
.u-tl-when { flex: 0 0 96px; font-size: 13px; font-weight: 700; color: var(--v); text-transform: uppercase; letter-spacing: 0.04em; padding-top: 2px; }
.u-tl-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.u-tl-body b { font-size: 16px; color: var(--t1); }
.u-tl-body span { font-size: 15px; line-height: 1.55; color: var(--t2); }
.u-banner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 32px 0;
  padding: 32px 28px;
  border-radius: 24px;
  background: var(--gradient-accent, linear-gradient(135deg, #7c68d6, #6e56cf));
  color: #fff;
}
.u-banner-kicker { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.85; }
.u-banner strong { font-size: 30px; line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; color: #fff; }
.u-banner-text { font-size: 16px; line-height: 1.55; opacity: 0.92; }
.u-fig--narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
@media (max-width: 720px) {
  .u-timeline li { flex-direction: column; gap: 4px; }
  .u-tl-when { flex-basis: auto; }
  .u-banner strong { font-size: 24px; }
}

/* Comparison table (telemetry). */
.u-tblwrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--border); border-radius: 16px; background: var(--s2); min-width: 0; max-width: 100%; -webkit-overflow-scrolling: touch; }
.u-article, .u-body { min-width: 0; }

.u-table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.45; }
.u-table th, .u-table td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.u-table thead th { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--t3); background: var(--s3); font-weight: 700; }
.u-table tbody th { color: var(--t1); font-weight: 600; width: 34%; }
.u-table td { color: var(--t2); font-variant-numeric: tabular-nums; }
.u-table td:last-child { color: var(--t1); font-weight: 600; }
.u-table tr:last-child th, .u-table tr:last-child td { border-bottom: 0; }

/* Left/right row: three or more phones scroll horizontally with snap points,
   one phone per swipe on a phone, arrow buttons on a pointer device. */
.u-screens--swipe { position: relative; }
.u-screenrow--swipe {
  flex-wrap: nowrap;
  justify-content: flex-start;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 24px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.u-screenrow--swipe::-webkit-scrollbar { display: none; }
.u-screenrow--swipe .u-phone { flex: 0 0 250px; scroll-snap-align: center; }
.u-swipe-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--s2);
  color: var(--t1);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-menu);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 0 3px;
}
.u-swipe-btn--prev { left: 8px; }
.u-swipe-btn--next { right: 8px; }
@media (hover: hover) and (pointer: fine) { .u-screens--swipe .u-swipe-btn { display: inline-flex; } }
.u-swipe-btn:hover { background: var(--s3); }

/* One screen on its own gets a little more presence, but never billboard size. */
.u-screenrow:has(.u-phone:only-child) .u-phone { flex-basis: 274px; max-width: 274px; }

.u-hero--screens { border: 0; background: none; border-radius: 0; overflow: visible; }
.u-hero--screens .u-screenrow { padding: 40px 24px; }

@media (max-width: 720px) {
  .u-screens { margin: 32px calc(-1 * clamp(16px, 4vw, 24px)); width: auto; }
  .u-screenrow { border-radius: 0; border-left: 0; border-right: 0; padding: 28px 16px; gap: 16px; }
  .u-screens figcaption { padding-inline: 20px; }
  .u-phone { flex: 0 1 min(46vw, 230px); max-width: min(46vw, 230px); }
  .u-screenrow--swipe { scroll-padding-inline: 16px; }
  .u-screenrow--swipe .u-phone { flex: 0 0 min(72vw, 280px); max-width: min(72vw, 280px); }
  .u-screenrow:has(.u-phone:only-child) .u-phone { flex-basis: min(66vw, 280px); max-width: min(66vw, 280px); }
}

/* ------------------------------------------------------ language picker */
/* Flags mirror the app's LanguagePicker. Built on <details> so it opens
   without JavaScript and every option stays a real, crawlable link. */

.u-flag {
  display: block; width: 20px; height: 15px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--border);
  flex: none;
}
.u-globe { display: block; width: 16px; height: 16px; color: var(--t3); flex: none; }

.u-lang { position: relative; }
.u-lang > summary { list-style: none; }
.u-lang > summary::marker { content: ""; }
.u-lang > summary::-webkit-details-marker { display: none; }
.u-langbtn {
  display: flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--s3);
  color: var(--t2);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.u-langbtn:hover { color: var(--t1); border-color: var(--border-strong); }
.u-chev { width: 14px; height: 14px; flex: none; color: var(--t3); transition: transform .15s ease; }
.u-lang[open] .u-chev { transform: rotate(180deg); }

.u-langmenu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 200px;
  max-height: 60vh;
  max-height: 60dvh;
  overflow-y: auto;
  padding: 6px;
  display: grid;
  gap: 2px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--s2);
  box-shadow: var(--shadow-menu);
}
.u-langopt {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--t2);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}
.u-langopt:hover { background: var(--s3); color: var(--t1); }
.u-langopt.is-on { color: var(--t1); }
.u-langopt .u-check { width: 15px; height: 15px; margin-left: auto; flex: none; color: var(--v-text); }

@media (max-width: 560px) {
  .u-langname { display: none; }
  .u-langbtn { padding: 0 8px; }
}


/* Table of contents: sticky rail beside the article on wide screens, a
   floating pill + sheet on everything narrower. */
.u-article { position: relative; }
.u-toc-rail { display: none; }
.u-toc { font-size: 14px; }
.u-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.u-toc a {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 7px 10px; border-radius: 10px; color: var(--t3); text-decoration: none; line-height: 1.35;
  border-left: 2px solid transparent;
}
.u-toc a:hover { color: var(--t1); background: var(--s3); }
.u-toc a.is-active { color: var(--v-text); background: var(--s3); border-left-color: var(--v); font-weight: 600; }
.u-toc-emoji { flex: 0 0 auto; width: 18px; text-align: center; }
.u-toc-title { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--t3); padding: 0 10px 10px; }
@media (min-width: 1200px) {
  .u-toc-rail { display: block; position: absolute; top: 0; bottom: 0; right: 100%; width: 220px; margin-right: 36px; }
  .u-toc-rail .u-toc { position: sticky; top: 92px; max-height: calc(100vh - 120px); overflow-y: auto; padding-right: 4px; }
}
.u-h2, .u-h3 { scroll-margin-top: 84px; }
@media (max-width: 720px) { .u-stats { grid-template-columns: repeat(2, 1fr); } .u-stat b { font-size: 26px; } }


/* ---------------------------------------------------------- phone overhaul */
/* Nothing inside the article may widen the page. `contain: inline-size`
   zeroes the min-content contribution of the body, so a wide table or a
   phone row can never push the layout viewport (the iOS "zoomed out" page,
   Ben 2026-09-29). */
html, body { overflow-x: clip; }
.u-main, .u-body { min-width: 0; max-width: 100%; }
.u-article { width: 100%; max-width: 720px; min-width: 0; }
.u-body { contain: inline-size; }
.u-body img, .u-body svg, .u-body video { max-width: 100%; height: auto; }
.u-body > * { max-width: 100%; }
.u-cover-in, .u-banner, .u-card, .u-feat-body, .u-stat, .u-tl-body, .u-table { overflow-wrap: anywhere; }
.u-table { table-layout: fixed; width: 100%; }
.u-table tbody th { width: 30%; }
.u-tblwrap { contain: inline-size; }

@media (max-width: 720px) {
  .u-cover { min-height: 300px; }
  .u-cover-in { padding: 24px 20px; gap: 12px; }
  .u-cover-logo { width: 128px; margin-bottom: 28px; }
  .u-cover-title { font-size: 30px; line-height: 1.1; }
  .u-cover-sub { font-size: 14px; padding: 7px 12px; }
  .u-banner { padding: 24px 20px; border-radius: 20px; }
  .u-banner strong { font-size: 22px; }
  /* The comparison table becomes a stack of cards: one card per row,
     each value labelled with its column header. No sideways scrolling. */
  .u-tblwrap { border: 0; background: none; overflow: visible; }
  .u-table, .u-table tbody, .u-table tr, .u-table th, .u-table td { display: block; width: auto; }
  .u-table thead { display: none; }
  .u-table tr { border: 1px solid var(--border); border-radius: 16px; background: var(--s2); padding: 14px 16px; margin-bottom: 12px; }
  .u-table tbody th { width: auto; padding: 0 0 8px; border: 0; font-size: 17px; }
  .u-table td { padding: 6px 0 0; border: 0; display: flex; gap: 10px; align-items: baseline; font-size: 15px; }
  .u-table td::before { content: attr(data-th); flex: 0 0 74px; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--t3); font-weight: 700; }
  .u-table td:last-child { color: var(--v-text); }
  .u-table tr:last-child { margin-bottom: 0; }
  .u-tl-body b { font-size: 17px; }
  .u-feat { padding: 16px; }
  .u-chains { gap: 8px; }
}
@media (max-width: 400px) {
  .u-cover-title { font-size: 27px; }
  .u-h1 { font-size: 30px; }
  .u-h2 { font-size: 25px; }
}
@media (min-width: 721px) {
  .u-table thead th:nth-child(1) { width: 32%; }
  .u-table thead th:nth-child(2) { width: 23%; }
  .u-table thead th:nth-child(3) { width: 29%; }
  .u-table thead th:nth-child(4) { width: 16%; }
}

/* Phone cover: the rocket flies past the moon in the top-right, clear of
   the title (Ben 2026-09-29: "the word 'for' is inside the white rocket"). */
@media (max-width: 720px) {
  .u-cover-art .cv-moon { transform: translate(6px, -6px) scale(0.85); transform-origin: 78px 30px; }
  .u-cover-art .cv-rocket { transform: translate(64px, 22px) rotate(-38deg) scale(0.62); }
  .u-cover-in { padding-top: 22px; }
  .u-cover-logo { margin-bottom: 64px; }
}