/* Upstacked. — a broadsheet front page for a link-saving app.
   Fonts: Instrument Serif (display), Newsreader (text), IBM Plex Mono (chrome).
   Grammar: mono = chrome · [brackets] = status · "> " = prompts only.
   Ink has no glow: shadows are hard offsets or nothing. */

:root {
  --bg: #faf8f5;
  --surface: #f1ede6;
  --ink: #1b1714;
  --secondary: #6b6560;
  --border: #d9d2c7;
  --shadow: #d9d2c7;
  --lavender: #788bc8;
  --tangerine: #ea602c;
  --honey: #e8bd4f;
  --rose: #eb9194;
  --display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --serif: 'Newsreader', 'Charter', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.5;
}

::selection {
  background: var(--honey);
  color: #1b1714;
}

a {
  color: inherit;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 26px 24px 0;
}

/* ── Rules & chrome ──────────────────────────────── */

.rule-thick {
  height: 3px;
  background: var(--ink);
}

.rule-thin {
  height: 1px;
  background: var(--ink);
  opacity: 0.7;
}

.rule-hair {
  height: 1px;
  background: var(--border);
}

.rule-gap {
  height: 4px;
}

.mono-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* Status chips: the only place brackets appear outside the ticker */
.chip {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--secondary);
}

.chip.tangerine {
  color: var(--tangerine);
}

.chip.lavender {
  color: var(--lavender);
}

/* ── Masthead ────────────────────────────────────── */

.masthead {
  text-align: center;
}

.masthead h1 {
  font-family: var(--display);
  font-weight: 560;
  font-optical-sizing: auto;
  font-size: clamp(72px, 14vw, 148px);
  letter-spacing: -0.03em;
  line-height: 1.06;
  padding: 12px 0 14px;
}

.masthead h1 a {
  text-decoration: none;
}

.masthead-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 2px;
}

@media (max-width: 640px) {
  .masthead-row .hide-sm {
    display: none;
  }
}

/* ── Ticker: the moving wire ─────────────────────── */

.ticker {
  position: relative;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  white-space: nowrap;
  padding: 8px 0;
}

.ticker::before,
.ticker::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  z-index: 1;
  pointer-events: none;
}

.ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.ticker::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.ticker-track {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  animation: ticker 32s linear infinite;
}

.ticker .sep {
  color: var(--border);
  margin: 0 16px;
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ── The paper: one grid, one continuous rule ────── */

.paper {
  display: grid;
  grid-template-columns: 1fr 320px;
  padding-top: 30px;
}

.main {
  padding-right: 40px;
}

.rail {
  border-left: 1px solid rgba(27, 23, 20, 0.35);
  padding-left: 32px;
}

@media (max-width: 900px) {
  .paper {
    grid-template-columns: 1fr;
  }
  .main {
    padding-right: 0;
  }
  .rail {
    border-left: none;
    padding-left: 0;
    border-top: 3px solid var(--ink);
    margin-top: 28px;
    padding-top: 20px;
  }
}

.hero h2 {
  font-family: var(--display);
  font-weight: 520;
  font-optical-sizing: auto;
  font-size: clamp(38px, 5.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.hero .deck {
  margin-top: 18px;
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--secondary);
  max-width: 56ch;
  text-wrap: pretty;
}

.byline {
  margin-top: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--ink);
}

.cta-row {
  margin-top: 26px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}

.cta-note {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--secondary);
}

.store-badge {
  display: block;
  height: 52px;
  width: auto;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  background: var(--ink);
  color: var(--bg);
  padding: 14px 22px 13px;
  white-space: nowrap;
  transition-property: opacity, transform;
  transition-duration: 0.12s;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.btn:hover {
  opacity: 0.85;
}

.btn:active {
  transform: scale(0.97);
}

/* Section divider: the app's own "/ label ----- [tag]" grammar */
.slug {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 30px 0 18px;
}

.slug .dash {
  flex: 1;
  height: 1px;
  background-image: repeating-linear-gradient(90deg, var(--ink) 0 5px, transparent 5px 10px);
  opacity: 0.45;
}

.slug .tag {
  color: var(--secondary);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ── Rail artifacts ──────────────────────────────── */

.clipping {
  border: 1px solid var(--ink);
  background: var(--bg);
}

.stack-art {
  border: 1px solid var(--ink);
  padding: 14px 16px 0;
}

.sa-mast {
  font-family: var(--display);
  font-weight: 520;
  font-size: 30px;
  line-height: 1.05;
}

.sa-sub {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 2px 0 8px;
}

.sa-sub span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--secondary);
  font-variant-numeric: tabular-nums;
}

.sa-dateline {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink);
  text-align: center;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 4px 0;
}

.sa-row {
  display: flex;
  gap: 9px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.sa-row:last-of-type {
  border-bottom: none;
}

.sa-num {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--secondary);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.sa-num .dot {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--honey);
  margin: 4px auto 0;
}

.sa-num .dot.none {
  background: transparent;
}

.sa-body {
  flex: 1;
  min-width: 0;
  display: block;
}

.sa-title {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.3;
}

.sa-meta {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--secondary);
  margin-top: 3px;
}

.sa-meta b {
  font-weight: 500;
}

.sa-meta .c-tech {
  color: var(--tangerine);
}

.sa-meta .c-design {
  color: var(--lavender);
}

.sa-meta .c-cooking {
  color: var(--rose);
}

.sa-glyph {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--secondary);
  padding-top: 3px;
}

.sa-glyph.arrow {
  color: var(--lavender);
}

.sa-end {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--secondary);
  text-align: center;
  padding: 10px 0 12px;
}

.cutline {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--secondary);
  margin-top: 10px;
}

.rail-rule {
  height: 1px;
  background: var(--ink);
  opacity: 0.6;
  margin: 20px 0 16px;
}

/* ── Lead story & rail briefs ────────────────────── */

.lead-story h3 {
  font-family: var(--display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  text-wrap: balance;
}

.ls-cols {
  columns: 2;
  column-gap: 34px;
  column-rule: 1px solid rgba(27, 23, 20, 0.35);
}

.ls-cols p {
  font-size: 15.5px;
  line-height: 1.6;
  margin-bottom: 10px;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.loop-line {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--tangerine);
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 10px;
}

.nib-item {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--secondary);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.nib-item:first-child {
  padding-top: 2px;
}

.nib-item:last-child {
  border-bottom: none;
}

.nib-item b {
  color: var(--ink);
  font-weight: 600;
}

@media (max-width: 560px) {
  .ls-cols {
    columns: 1;
  }
}

.brief .artifact {
  font-family: var(--mono);
  font-size: 12.5px;
  margin-top: 12px;
  color: var(--secondary);
  letter-spacing: 0.02em;
}

.brief .artifact .glyphs {
  font-size: 14px;
  letter-spacing: 0.35em;
  color: var(--ink);
}

.brief .artifact .bars {
  color: var(--ink);
  letter-spacing: 2px;
}

/* ── River (in the rail) ─────────────────────────── */

.river-head {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 7px;
  margin-bottom: 8px;
}

.river-item {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.river-item:last-child {
  border-bottom: none;
}

.river-item .rt {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--secondary);
  margin-right: 4px;
  font-variant-numeric: tabular-nums;
}

.river-item .accent {
  font-family: var(--mono);
  font-size: 10.5px;
  white-space: nowrap;
}

.digest-copy h3 {
  font-family: var(--display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(24px, 2.8vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.digest-copy p {
  font-size: 16px;
  color: var(--secondary);
  margin-top: 10px;
  max-width: 56ch;
  text-wrap: pretty;
}

/* The reader as a full-width article clipping */

.reader-section {
  padding: 14px 0 4px;
}

.standfirst {
  font-size: 17px;
  color: var(--secondary);
  max-width: 62ch;
  margin-bottom: 16px;
  text-wrap: pretty;
}

.reader-article {
  border: 1px solid var(--ink);
  padding: 0 26px 14px;
}

.r-chrome {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  border-bottom: 1px solid var(--ink);
  margin: 0 -26px 14px;
  padding: 9px 14px;
}

.reader-article .r-source {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.reader-article h4 {
  font-family: var(--display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.1;
  margin-bottom: 16px;
  text-wrap: balance;
}

.r-cols {
  columns: 2;
  column-gap: 34px;
  column-rule: 1px solid rgba(27, 23, 20, 0.35);
}

@media (max-width: 560px) {
  .r-cols {
    columns: 1;
  }
}

.r-cols p {
  font-size: 15px;
  line-height: 1.62;
  margin-bottom: 10px;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.reader-article .dropcap {
  font-family: var(--display);
  font-weight: 500;
  font-size: 49px;
  line-height: 0.72;
  float: left;
  padding: 8px 7px 0 0;
  margin-left: -2px;
}

.reader-article .r-end {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--secondary);
  text-align: center;
  padding: 12px 0 2px;
  border-top: 1px solid var(--ink);
  margin-top: 10px;
}

/* Digest clipping */

.digest-clip {
  width: 100%;
  border: 1px solid var(--ink);
  padding: 14px 16px;
}

.digest-clip .drow {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.digest-clip .drow span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.digest-clip .dsection {
  color: var(--tangerine);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 14px 0 8px;
}

.digest-clip .dsection .chip {
  font-weight: 600;
}

.digest-clip .ditem {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  padding: 3px 0;
}

/* ── Article pages (privacy, terms, support) ─────── */

.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 44px 0 0;
}

.article h1 {
  font-family: var(--display);
  font-weight: 520;
  font-optical-sizing: auto;
  font-size: clamp(40px, 8vw, 56px);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  text-wrap: balance;
}

.article .meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--secondary);
  margin-bottom: 30px;
}

.article h2 {
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  margin: 40px 0 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--border);
}

.article h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 26px 0 8px;
}

.article p,
.article li {
  font-size: 17.5px;
  margin-bottom: 12px;
  text-wrap: pretty;
}

.article ul {
  padding-left: 22px;
  margin-bottom: 12px;
}

.article li {
  margin-bottom: 4px;
}

.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
}

.article table {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
}

.article th {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
}

.article th,
.article td {
  border-bottom: 1px solid var(--border);
  padding: 8px 12px 8px 0;
  vertical-align: top;
}

.end-mark {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--secondary);
  text-align: center;
  padding: 52px 0 10px;
}

/* ── Final CTA ───────────────────────────────────── */

.final-cta {
  text-align: center;
  padding: 44px 0 16px;
}

.final-cta .rule-thick {
  margin-bottom: 36px;
}

.final-cta h3 {
  font-family: var(--display);
  font-weight: 520;
  font-optical-sizing: auto;
  font-size: clamp(30px, 4.4vw, 44px);
  letter-spacing: -0.015em;
  margin-bottom: 24px;
  text-wrap: balance;
}

.final-cta .store-badge {
  margin: 0 auto;
}

.final-cta .cta-note {
  display: block;
  margin-top: 14px;
}

/* ── Footer ──────────────────────────────────────── */

.end-mark {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--secondary);
  text-align: center;
  padding: 52px 0 10px;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 10px;
  padding: 22px 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  justify-content: center;
}

footer a,
footer span {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--secondary);
}

.colophon {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--secondary);
  text-align: center;
  opacity: 0.75;
  padding-bottom: 40px;
}

/* ── Motion ──────────────────────────────────────── */

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition-property: opacity, transform;
  transition-duration: 0.5s;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track {
    animation: none;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}