/* Asymmetrix front page, redesign mock.
   Colour comes from the logo itself: its deep blue is the one accent on paper, its sky blue
   marks data inside the dark product panels (and becomes the accent in the dark theme). */

@font-face {
  font-family: 'Schibsted Grotesk';
  src: url('../fonts/schibsted-grotesk-latin.woff2') format('woff2');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/plex-mono-400-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/plex-mono-500-latin.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f3f5f7;
  --paper-2: #e8ecf0;
  --ink: #0a1626;
  --ink-2: #36435a;
  --muted: #56637a;
  --line: #d5dbe3;
  --accent: #0370aa;
  --accent-ink: #ffffff;
  --panel: #071427;
  --panel-2: #0d1e36;
  --panel-edge: #071427;
  --panel-line: #1f3150;
  --panel-text: #e6edf6;
  --panel-muted: #93a3bd;
  --signal: #2db7ff;
  --band: #071427;
  --band-panel: #0d1e36;
  --about: #e8ecf0;
  --bar-base: #aab5c4;

  --font-sans:
    'Schibsted Grotesk', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --step-1: clamp(1.18rem, 1.08rem + 0.5vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3: clamp(2rem, 1.5rem + 2.2vw, 3.3rem);
  --step-4: clamp(2.4rem, 1.4rem + 3.7vw, 4.6rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;
  --radius: 12px;
  --wrap: 1240px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Dark theme: chosen with the toggle, or the system setting when nothing was chosen.
   The two blocks hold the same values; keep them in step. */
:root[data-theme='dark'] {
  color-scheme: dark;
  --paper: #050d1a;
  --paper-2: #0a1628;
  --ink: #e8eef6;
  --ink-2: #b6c2d4;
  --muted: #8a99b0;
  --line: #1b2a42;
  --accent: #2db7ff;
  --accent-ink: #031020;
  --panel: #0a172b;
  --panel-2: #11223c;
  --panel-edge: #1c2f4d;
  --panel-line: #1f3352;
  --band: #0b1a30;
  --band-panel: #102440;
  --about: #08111f;
  --bar-base: #3b4c66;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --paper: #050d1a;
    --paper-2: #0a1628;
    --ink: #e8eef6;
    --ink-2: #b6c2d4;
    --muted: #8a99b0;
    --line: #1b2a42;
    --accent: #2db7ff;
    --accent-ink: #031020;
    --panel: #0a172b;
    --panel-2: #11223c;
    --panel-edge: #1c2f4d;
    --panel-line: #1f3352;
    --band: #0b1a30;
    --band-panel: #102440;
    --about: #08111f;
  --bar-base: #3b4c66;
  }
}

/* Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img,
svg {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 600;
  text-wrap: balance;
}
p {
  margin: 0;
  text-wrap: pretty;
}
a {
  color: inherit;
}
ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
button {
  font: inherit;
  color: inherit;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.features :focus-visible,
.mock :focus-visible {
  outline-color: var(--signal);
}
.wrap {
  width: min(100% - 2 * var(--space-5), var(--wrap));
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
}
.skip:focus {
  top: var(--space-4);
}
.eyebrow {
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--muted);
}
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Buttons: fully round */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.6em 1.25em;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--step--1);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.2s var(--ease),
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.btn--ink {
  background: var(--ink);
  color: var(--paper);
}
.btn--ink:hover {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--accent {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--accent:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn--lg {
  min-height: 52px;
  padding-inline: 1.6em;
  font-size: var(--step-0);
}
.btn--line {
  border-color: var(--ink);
  color: var(--ink);
}
.btn--line:hover {
  background: var(--ink);
  color: var(--paper);
}
.link-arrow {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}
.link-arrow:hover {
  color: var(--accent);
}

/* Header */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-head__in {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}
.brand svg {
  width: 28px;
  height: 28px;
}
.nav__list {
  display: flex;
  gap: var(--space-5);
  font-size: var(--step--1);
}
.nav__list a,
.link-quiet {
  text-decoration: none;
  color: var(--ink-2);
  padding-block: var(--space-2);
}
.nav__list a:hover,
.link-quiet:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}
.nav__list a[aria-current] {
  color: var(--ink);
  font-weight: 600;
}
.head-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--step--1);
}
.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: none;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}
.theme-toggle:hover {
  border-color: var(--ink);
}
.theme-toggle svg {
  transition: transform 0.4s var(--ease);
}
.theme-toggle[aria-pressed='true'] svg {
  transform: rotate(180deg);
}
.menu {
  display: none;
}
@media (max-width: 959px) {
  .nav,
  .link-quiet,
  .head-cta {
    display: none;
  }
  .site-head__in {
    gap: var(--space-3);
  }
  .head-actions {
    gap: var(--space-2);
  }
  .menu {
    display: block;
  }
  .menu summary {
    list-style: none;
    cursor: pointer;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-4);
    border-radius: 999px;
    background: var(--ink);
    color: var(--paper);
    font-weight: 600;
  }
  .menu summary::-webkit-details-marker {
    display: none;
  }
  .menu summary::after {
    content: '';
    width: 0.45em;
    height: 0.45em;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
  }
  .menu[open] summary::after {
    transform: translateY(2px) rotate(-135deg);
  }
  .menu__panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) var(--space-5) var(--space-6);
  }
  .menu__panel li a {
    display: block;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    font-size: var(--step-1);
    font-weight: 500;
  }
  .menu__panel .btn {
    margin-top: var(--space-5);
    width: 100%;
  }
}

/* Intro: one line of statement, then straight into the product; no hero block */
.intro {
  padding-block: var(--space-7) var(--space-6);
}
.intro-title {
  font-size: clamp(2.1rem, 1rem + 3.1vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 650;
}
.intro-row {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-5);
  justify-items: start;
}
.lede {
  max-width: 52ch;
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--ink-2);
}
@media (min-width: 900px) {
  .intro {
    padding-block: clamp(2.5rem, 7vh, 4.5rem) var(--space-6);
  }
  .intro-row {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--space-7);
  }
}

/* Dark product mock-ups, shared by every section */
.mock {
  background: var(--panel);
  color: var(--panel-text);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  padding: var(--space-5);
  font-size: var(--step--1);
  line-height: 1.45;
}
.mock-head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--panel-line);
}
.mock-name {
  font-weight: 600;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
}
.mock-meta,
.mock-label {
  color: var(--panel-muted);
}
.mock-label {
  display: block;
  margin-bottom: var(--space-2);
}
.num--sig {
  color: var(--signal);
}
.live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.live::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--signal);
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}
.bar {
  display: block;
  height: 6px;
  background: var(--panel-line);
  border-radius: 999px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--panel-muted);
  border-radius: inherit;
  transform-origin: left;
  animation: grow 0.8s var(--ease) both;
}
.bar i.hi {
  background: var(--signal);
}
@keyframes grow {
  from {
    transform: scaleX(0);
  }
}
.mock-scroll {
  overflow-x: auto;
  margin-top: var(--space-2);
}
.mock-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}
.mock-table th {
  text-align: left;
  font-weight: 400;
  color: var(--panel-muted);
  padding: 0 var(--space-4) var(--space-2) 0;
}
.mock-table td {
  padding: var(--space-3) var(--space-4) var(--space-3) 0;
  border-top: 1px solid var(--panel-line);
}
.mock-table .r {
  text-align: right;
  padding-right: 0;
}
.mock-table tbody tr {
  animation: rise 0.4s var(--ease) both;
}
.mock-table tbody tr:nth-child(2) {
  animation-delay: 0.05s;
}
.mock-table tbody tr:nth-child(3) {
  animation-delay: 0.1s;
}
.mock-table tbody tr:nth-child(4) {
  animation-delay: 0.15s;
}
.mock-table tbody tr:nth-child(5) {
  animation-delay: 0.2s;
}
.rows li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--panel-line);
}
.rows li > :last-child {
  margin-left: auto;
  text-align: right;
}
.rows .when {
  color: var(--panel-muted);
  min-width: 4.5ch;
}
.rows--news li {
  padding-block: var(--space-4);
  font-size: var(--step-0);
}
.rows--news li > :last-child {
  margin-left: 0;
  text-align: left;
}
.barlist li {
  display: grid;
  grid-template-columns: minmax(9ch, 1fr) 1.5fr 5ch;
  gap: var(--space-3);
  align-items: center;
  padding-block: var(--space-2);
}
.barlist .num {
  text-align: right;
}
.barlist--wide li {
  padding-block: var(--space-3);
}

/* Explore: pick a starting point */
.explore {
  padding-bottom: var(--space-9);
}
.explore-bar {
  display: grid;
  gap: var(--space-3);
  border-top: 1px solid var(--ink);
  padding-top: var(--space-4);
}
.explore-title {
  font-size: var(--step-0);
  letter-spacing: 0;
  line-height: 1.3;
}
.explore-tabs,
.features-tabs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
  margin-inline: calc(-1 * var(--space-5));
  padding: 2px var(--space-5) 4px;
}
.explore-tabs::-webkit-scrollbar,
.features-tabs::-webkit-scrollbar {
  display: none;
}
.explore-tab {
  flex: none;
  min-height: 44px;
  padding: 0 1.1em;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-size: var(--step--1);
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.2s var(--ease),
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.explore-tab:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.explore-tab[aria-selected='true'] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.explore-panel {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-6);
  animation: rise 0.35s var(--ease) both;
}
.explore-panel[hidden] {
  display: none;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}
.explore-copy h3 {
  font-size: var(--step-2);
  max-width: 18ch;
  margin-top: var(--space-3);
}
.explore-copy p:last-child {
  margin-top: var(--space-4);
  color: var(--ink-2);
  max-width: 42ch;
}
.explore .mock {
  display: grid;
  gap: var(--space-5);
  align-content: start;
}
.kv {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: 0;
}
.kv dt {
  color: var(--panel-muted);
}
.kv dd {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: -0.02em;
}
.chart-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}
.chart-read .num {
  font-size: var(--step-0);
}
.chart-rev {
  width: 100%;
  height: auto;
  margin-top: var(--space-2);
  touch-action: pan-y;
  cursor: crosshair;
}
.chart-grid line {
  stroke: var(--panel-line);
  stroke-width: 1;
}
.chart-area {
  fill: var(--signal);
  opacity: 0.14;
}
.chart-line {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-dasharray: 800;
  animation: draw 1.2s var(--ease) both;
}
@keyframes draw {
  from {
    stroke-dashoffset: 800;
  }
}
.chart-guide {
  stroke: var(--panel-muted);
  stroke-dasharray: 3 4;
}
.chart-rev circle {
  fill: var(--panel);
  stroke: var(--signal);
  stroke-width: 2;
  transition: r 0.15s var(--ease);
}
.chart-rev circle.on {
  fill: var(--signal);
  r: 6;
}
.chart-grid text {
  fill: var(--panel-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}
.chart-axis {
  display: flex;
  justify-content: space-between;
  color: var(--panel-muted);
  margin-top: var(--space-1);
}
.ai-mock {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}
.dial {
  width: min(220px, 100%);
  margin-inline: auto;
}
.dial-track {
  stroke: var(--panel-line);
}
.dial-fill {
  stroke: var(--signal);
  animation: dial 1s var(--ease) both;
}
@keyframes dial {
  from {
    stroke-dasharray: 0 100;
  }
}
.dial-num {
  fill: var(--panel-text);
  font-family: var(--font-mono);
  font-size: 24px;
}
.dial-sub {
  fill: var(--panel-muted);
  font-family: var(--font-sans);
  font-size: 7px;
}
@media (min-width: 640px) {
  .kv {
    grid-template-columns: repeat(4, 1fr);
  }
  .split-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .ai-mock {
    grid-template-columns: 220px 1fr;
    gap: var(--space-6);
  }
}
@media (max-width: 639px) {
  .split-2 > * + * {
    margin-top: var(--space-5);
  }
  /* the chart scales down with the screen; its axis labels would be unreadable */
  .chart-grid text {
    display: none;
  }
  .tree li {
    flex-direction: column;
    gap: var(--space-1);
  }
  .tree li span:last-child {
    text-align: left;
  }
  .tree li::before {
    top: 1.4em;
  }
}
@media (min-width: 900px) {
  .explore-bar {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: var(--space-6);
  }
  .explore-tabs {
    margin: 0;
    padding-inline: 0;
  }
  .explore-panel {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-8);
    padding-top: var(--space-7);
  }
  .explore-copy {
    padding-top: var(--space-2);
  }
  .explore .mock {
    min-height: 480px;
    padding: var(--space-6);
  }
}

/* Proof: clients and the quote */
.proof {
  padding-block: var(--space-8) var(--space-9);
  border-top: 1px solid var(--line);
}
.proof-top {
  display: grid;
  gap: var(--space-5);
}
.proof-title {
  font-size: var(--step-0);
  letter-spacing: 0;
  line-height: 1.35;
  max-width: 24ch;
}
.proof-firms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) 0;
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-2);
}
.proof-firms li:not(:last-child)::after {
  content: '/';
  margin-inline: 0.55em;
  color: var(--muted);
  font-weight: 400;
}
.proof-quote {
  margin: var(--space-9) 0 0;
  display: grid;
  gap: var(--space-6);
}
.proof-quote blockquote {
  margin: 0;
}
.proof-quote blockquote p {
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 500;
  max-width: 27ch;
  text-indent: -0.42em;
}
.proof-quote figcaption {
  font-size: var(--step--1);
  border-top: 1px solid var(--ink);
  padding-top: var(--space-3);
  align-self: start;
}
.proof-quote figcaption strong {
  display: block;
  font-size: var(--step-0);
}
.proof-quote figcaption span {
  color: var(--muted);
}
@media (min-width: 900px) {
  .proof-top,
  .proof-quote {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-8);
  }
  .proof-quote figcaption {
    order: -1;
    margin-top: 0.9em;
  }
}

/* About: the taxonomy, drawn as a tree */
.about {
  background: var(--about);
  padding-block: var(--space-9);
  border-top: 1px solid var(--line);
}
.about-grid {
  display: grid;
  gap: var(--space-7);
}
.about-title {
  font-size: var(--step-3);
  letter-spacing: -0.035em;
  max-width: 15ch;
  margin-top: var(--space-3);
}
.about-text {
  margin-top: var(--space-5);
  color: var(--ink-2);
  max-width: 54ch;
}
.tree {
  font-size: var(--step--1);
}
.tree-root {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--ink);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.tree-root span {
  font-weight: 400;
  color: var(--muted);
  font-size: var(--step--1);
  letter-spacing: 0;
}
.tree ul {
  margin-left: var(--space-3);
  border-left: 1px solid var(--muted);
}
.tree li {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0 var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--line);
}
.tree li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: var(--space-4);
  border-top: 1px solid var(--muted);
}
.tree li span:first-child {
  font-weight: 600;
  color: var(--ink);
}
.tree li span:last-child {
  color: var(--muted);
  text-align: right;
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 6fr 5fr;
    gap: var(--space-9);
    align-items: center;
  }
}

/* Features: a dark band for rhythm */
.features {
  --panel: var(--band-panel);
  background: var(--band);
  color: var(--panel-text);
  padding-block: var(--space-9);
}
.features .eyebrow {
  color: var(--panel-muted);
}
.features-title {
  font-size: var(--step-3);
  letter-spacing: -0.035em;
  max-width: 14ch;
  margin-top: var(--space-3);
}
.features-lede {
  margin-top: var(--space-5);
  max-width: 44ch;
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--panel-muted);
}
.features-grid {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-6);
}
.features-tab {
  flex: none;
  min-height: 44px;
  padding: 0 1.1em;
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  background: transparent;
  color: var(--panel-muted);
  font-size: var(--step--1);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.features-tab:hover {
  color: var(--panel-text);
}
.features-tab[aria-selected='true'] {
  color: #071427;
  background: var(--panel-text);
  border-color: var(--panel-text);
}
.features-panel {
  display: grid;
  gap: var(--space-6);
  animation: rise 0.35s var(--ease) both;
}
.features-panel[hidden] {
  display: none;
}
.features-copy h3 {
  font-size: var(--step-2);
  letter-spacing: -0.03em;
  margin-top: var(--space-2);
  max-width: 16ch;
}
.features-copy p:last-child {
  margin-top: var(--space-4);
  color: var(--panel-muted);
  max-width: 46ch;
}
.features .mock {
  border-color: var(--panel-line);
  display: grid;
  gap: var(--space-5);
  align-content: start;
}
.score-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}
.score-grade {
  color: var(--signal);
  font-weight: 600;
}
.score-num {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-block: var(--space-3);
}
.score-num span {
  font-size: var(--step-0);
  color: var(--panel-muted);
  letter-spacing: 0;
  margin-left: 0.35em;
}
.meter .bar {
  height: 8px;
}
.meter-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-2);
  color: var(--panel-muted);
}
.meter-scale span {
  border-left: 1px solid var(--panel-line);
  padding-left: var(--space-2);
}
.meter-scale span.on {
  color: var(--panel-text);
}
.score + .score {
  border-top: 1px solid var(--panel-line);
  padding-top: var(--space-5);
}
.score-note {
  color: var(--panel-muted);
  margin-top: var(--space-4);
}
.fields {
  margin: 0;
}
.fields div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-top: 1px solid var(--panel-line);
}
.fields dt {
  color: var(--panel-muted);
}
.fields dd {
  margin: 0;
  text-align: right;
}
@media (min-width: 900px) {
  .features-head {
    display: grid;
    grid-template-columns: 6fr 6fr;
    gap: var(--space-8);
    align-items: end;
  }
  .features-lede {
    margin-top: 0;
  }
  .features-grid {
    grid-template-columns: 14rem 1fr;
    gap: var(--space-7);
  }
  .features-tabs {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--panel-line);
  }
  .features-tab {
    min-height: 56px;
    border: 0;
    border-bottom: 1px solid var(--panel-line);
    border-radius: 0;
    padding: 0;
    text-align: left;
    font-size: var(--step-0);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .features-tab::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--signal);
    opacity: 0;
    transition: opacity 0.2s var(--ease);
  }
  .features-tab[aria-selected='true'] {
    background: none;
    color: var(--panel-text);
    font-weight: 600;
  }
  .features-tab[aria-selected='true']::after {
    opacity: 1;
  }
  .features-panel {
    grid-template-columns: 5fr 6fr;
    gap: var(--space-7);
    align-items: start;
  }
  .features .mock {
    min-height: 420px;
    padding: var(--space-6);
  }
}

/* Reading: the Substack list */
.reading {
  padding-block: var(--space-9);
}
.reading-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--ink);
}
.reading-title {
  font-size: var(--step-3);
  letter-spacing: -0.035em;
  margin-top: var(--space-3);
}
.reading-sub {
  margin-top: var(--space-3);
  color: var(--ink-2);
}
.reading-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.reading-sort {
  min-height: 40px;
  padding: 0 1.2em;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--ink-2);
  font-size: var(--step--1);
  font-weight: 600;
  cursor: pointer;
}
.reading-sort[aria-pressed='true'] {
  background: var(--ink);
  color: var(--paper);
}
.reading-list {
  display: grid;
}
.reading-post {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: var(--space-2);
  align-content: start;
}
.reading-meta {
  display: flex;
  gap: var(--space-3);
  font-size: var(--step--1);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.reading-meta span {
  color: var(--accent);
  font-weight: 600;
}
.reading-h {
  font-size: var(--step-1);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.reading-h a {
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s var(--ease);
}
.reading-h a:hover,
.reading-h a:focus-visible {
  background-size: 100% 1px;
}
.reading-dek {
  color: var(--ink-2);
  max-width: 58ch;
}
.reading-chart {
  display: none;
  margin: var(--space-5) 0 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
}
.reading-post:first-child .reading-h {
  font-size: var(--step-2);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.reading-post:first-child .reading-chart {
  display: block;
}
.reading-chart figcaption {
  color: var(--muted);
  margin-bottom: var(--space-4);
}
.reading-chart dl {
  margin: 0;
}
.pair {
  display: grid;
  grid-template-columns: 9ch 1fr;
  gap: var(--space-2) var(--space-4);
  align-items: center;
}
.pair + .pair {
  margin-top: var(--space-4);
}
.pair dt {
  grid-row: span 2;
  font-weight: 600;
}
.pair dd {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 9ch;
  gap: var(--space-3);
  align-items: center;
  color: var(--muted);
}
.pair dd i {
  display: block;
  height: 10px;
  background: var(--bar-base);
  border-radius: 2px;
  transform-origin: left;
  animation: grow 0.8s var(--ease) both;
}
.pair dd.now i {
  background: var(--accent);
}
.pair dd.now {
  color: var(--ink);
  font-weight: 600;
}
.reading-more {
  margin-top: var(--space-6);
}
@media (min-width: 900px) {
  .reading-list {
    grid-template-columns: 7fr 5fr;
    column-gap: var(--space-8);
  }
  .reading-post:first-child {
    grid-row: span 3;
    padding-top: var(--space-6);
    border-bottom: 0;
  }
  .reading-post:first-child .reading-h {
    font-size: var(--step-3);
    letter-spacing: -0.035em;
  }
  .reading-post:first-child .reading-dek {
    font-size: var(--step-1);
    line-height: 1.4;
  }
  .reading-post:first-child .reading-chart {
    max-width: 520px;
    margin-top: var(--space-6);
  }
}

/* Demo: book a walkthrough */
.demo {
  padding-block: var(--space-9);
  border-top: 1px solid var(--line);
}
.demo-grid {
  display: grid;
  gap: var(--space-7);
}
.demo-title {
  font-size: var(--step-3);
  letter-spacing: -0.035em;
  margin-top: var(--space-3);
  max-width: 15ch;
}
.demo-lede {
  margin-top: var(--space-4);
  color: var(--ink-2);
  font-size: var(--step-1);
}
.demo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.demo-note {
  margin-top: var(--space-5);
  font-size: var(--step--1);
  color: var(--muted);
}
.sched {
  background: var(--panel);
  color: var(--panel-text);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  font-size: var(--step--1);
}
.sched-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--panel-line);
}
.sched-head span:last-child,
.sched-month {
  color: var(--panel-muted);
}
.sched-body {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-5);
}
.sched-month {
  margin-bottom: var(--space-3);
}
.cal-week,
.cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  text-align: center;
}
.cal-week {
  color: var(--panel-muted);
  margin-bottom: var(--space-2);
}
.cal-days span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  width: 100%;
  max-width: 40px;
  margin-inline: auto;
  border-radius: 999px;
  color: var(--panel-muted);
  font-family: var(--font-mono);
}
.cal-days .open {
  color: var(--panel-text);
  background: var(--panel-2);
}
.cal-days .on {
  background: var(--signal);
  color: #031020;
  font-weight: 500;
}
.slots ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr));
  gap: var(--space-2);
}
.slots li {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  text-align: center;
  font-family: var(--font-mono);
}
.slots li.on {
  border-color: var(--signal);
  color: var(--signal);
}
@media (min-width: 520px) {
  .sched-body {
    grid-template-columns: 1fr 9rem;
  }
  .slots ul {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 900px) {
  .demo-grid {
    grid-template-columns: 5fr 6fr;
    gap: var(--space-8);
    align-items: center;
  }
}

/* Footer */
.site-foot {
  background: var(--paper-2);
  padding-block: var(--space-8) var(--space-6);
  font-size: var(--step--1);
  border-top: 1px solid var(--line);
}
.foot-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}
.foot-grid > :first-child,
.foot-news {
  grid-column: 1 / -1;
}
.foot-tag {
  color: var(--muted);
  margin-top: var(--space-3);
  max-width: 26ch;
}
.foot-h {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: var(--space-3);
}
.site-foot ul {
  display: grid;
  gap: var(--space-2);
}
.site-foot a {
  text-decoration: none;
  color: var(--ink-2);
}
.site-foot a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.foot-news p {
  color: var(--muted);
  margin-bottom: var(--space-3);
}
.foot-news__row {
  display: flex;
  gap: var(--space-2);
}
.foot-news input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  font: inherit;
  padding: 0 1.1em;
  border: 1px solid var(--muted);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
}
.foot-news input::placeholder {
  color: var(--muted);
}
.foot-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.foot-base ul {
  display: flex;
  gap: var(--space-5);
}
@media (min-width: 900px) {
  .foot-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1fr 2fr;
  }
  .foot-grid > :first-child,
  .foot-news {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}