/*
 * shelf landing page. Dark only; every colour comes from tokens.css.
 * Layout: .wrap centres content at --content-width; sections share one rhythm.
 */

:root {
  --pad: clamp(20px, 4vw, 40px);
  --section: clamp(88px, 11vw, 148px);
  --nav-h: 60px;
  --text-dim: color-mix(in oklab, var(--fg-muted) 72%, var(--fg-subtle));
  --hairline: color-mix(in oklab, var(--border) 70%, transparent);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  background: var(--bg);
  color: var(--fg);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection {
  background: var(--selection);
  color: var(--fg);
}

img,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

p code,
li code,
.lede code {
  padding: 0.1em 0.38em;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  border: 1px solid var(--border-subtle);
  color: var(--fg);
  white-space: nowrap;
}

kbd {
  display: inline-block;
  padding: 0.05em 0.4em;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  font-size: 0.82em;
  line-height: 1.4;
  vertical-align: 0.08em;
}

.pixel {
  image-rendering: pixelated;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--button-bg);
  color: var(--button-fg);
  font-weight: 600;
  transform: translateY(-160%);
}

.skip:focus {
  transform: none;
}

.wrap {
  width: 100%;
  max-width: calc(var(--content-width) + 2 * var(--pad));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.wrap.narrow {
  max-width: calc(680px + 2 * var(--pad));
}

/* ---------- Type ---------- */

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.022em;
  text-wrap: balance;
  font-optical-sizing: auto;
}

h1 {
  font-size: clamp(44px, 6vw, 80px);
  line-height: 0.98;
}

h1 em,
h2 em {
  font-style: italic;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.04;
}

h3 {
  font-size: 19px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.lede {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-pixel);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.eyebrow i {
  width: 8px;
  height: 8px;
  background: var(--c);
  box-shadow: 2px 2px 0 color-mix(in oklab, var(--c) 45%, var(--bg));
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 0.15s,
    border-color 0.15s,
    color 0.15s,
    transform 0.15s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--button-bg);
  color: var(--button-fg);
}

.btn-primary:hover {
  background: color-mix(in oklab, var(--button-bg) 88%, var(--book-amber));
}

.btn-ghost {
  border-color: var(--border-strong);
  color: var(--fg);
  background: color-mix(in oklab, var(--surface) 60%, transparent);
}

.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: color-mix(in oklab, var(--border-strong) 70%, var(--fg-subtle));
}

.btn-sm {
  height: 34px;
  padding: 0 14px;
  font-size: 14px;
  border-radius: var(--radius-sm);
}

.cmd-copy {
  display: inline-flex;
  align-items: stretch;
  height: 44px;
  max-width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--code-bg);
  overflow: hidden;
}

.cmd-copy code {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 4px 0 16px;
  font-size: 14px;
  color: var(--fg);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.copy {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  border: 0;
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.15s;
}

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

.copy svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
}

.copy[data-copied]::after {
  content: "Copied";
  position: absolute;
  bottom: calc(100% + 8px);
  right: 4px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-overlay);
  box-shadow: var(--shadow-popup);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 12px;
  white-space: nowrap;
}

.cmd-copy:has(.copy[data-copied]) {
  overflow: visible;
}

.t-p {
  color: var(--book-violet);
  user-select: none;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.nav[data-scrolled] {
  border-bottom-color: var(--hairline);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: calc(var(--content-width) + 2 * var(--pad));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a:not(.btn) {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition:
    color 0.15s,
    background-color 0.15s;
}

.nav-links a:not(.btn):hover {
  color: var(--fg);
  background: var(--surface-hover);
}

.nav-links .btn {
  margin-left: 8px;
}

.gh {
  fill: currentColor;
}

.nav-toggle {
  display: none;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-right: -8px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
}

.nav-toggle svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}

.nav-toggle .i-close,
.nav[data-open] .nav-toggle .i-open {
  display: none;
}

.nav[data-open] .nav-toggle .i-close {
  display: block;
}

/* ---------- Hero ---------- */

.hero {
  padding-top: clamp(48px, 5.4vw, 76px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero h1 {
  max-width: 920px;
}

.hero-sub {
  max-width: 720px;
  margin-top: 24px;
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.hero-demo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 12px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-dim);
}

.hero-demo a,
.center-link a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}

.hero-demo a:hover,
.center-link a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Stages: dithered scenes that hold product windows ---------- */

.stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    var(--bg) 0%,
    color-mix(in oklab, var(--book-violet) 30%, var(--bg)) 50%,
    color-mix(in oklab, var(--book-coral) 45%, var(--bg)) 75%,
    color-mix(in oklab, var(--wood-back) 80%, var(--bg)) 100%
  );
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--fg) 6%, transparent);
}

.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--fg) 7%, transparent);
  pointer-events: none;
}

.scene {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.scene[data-ready] {
  opacity: 1;
}

.stage-hero {
  margin-top: clamp(40px, 4vw, 52px);
  padding: clamp(14px, 4.4vw, 60px) clamp(14px, 6.4vw, 88px);
}

/* ---------- Windows ---------- */

.window {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-window);
}

.window-bar,
.term-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-raised);
}

.dots {
  display: flex;
  gap: 6px;
  flex: none;
}

.dots i {
  width: 8px;
  height: 8px;
  background: var(--border-strong);
}

.window-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

.media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg);
}

.media video,
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
}

.video-toggle {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--surface-overlay) 88%, transparent);
  color: var(--fg);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
}

.video-toggle svg {
  fill: currentColor;
}

[data-video]:hover .video-toggle,
.video-toggle:focus-visible,
.video-toggle[data-paused] {
  opacity: 1;
}

@media (hover: none) {
  .video-toggle {
    opacity: 0.85;
  }
}

/* The CLI next to the dashboard, like a second window on the desk. */
.term.term-float {
  position: absolute;
  right: clamp(24px, 3.4vw, 44px);
  bottom: clamp(28px, 3.6vw, 48px);
  z-index: 2;
  width: min(390px, 34%);
}

/* ---------- Terminals ---------- */

.term {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--code-bg) 94%, transparent);
  box-shadow: var(--shadow-window);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--fg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.term-bar {
  background: color-mix(in oklab, var(--surface-raised) 92%, transparent);
}

.term-title {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.term-tabs button {
  height: 24px;
  padding: 0 9px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color 0.15s,
    color 0.15s;
}

.term-tabs button:hover {
  color: var(--fg);
}

.term-tabs button[aria-selected="true"] {
  background: var(--surface-hover);
  color: var(--fg);
  box-shadow: inset 0 0 0 1px var(--border);
}

.term-body {
  display: grid;
  padding: 20px 22px 22px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

/* With JS, scenes share one grid cell so the terminal keeps the height of the tallest. */
.term-scene {
  min-width: max-content;
}

.term-scene:focus-visible {
  outline-offset: 6px;
}

.term-scene + .term-scene {
  margin-top: 1.65em;
}

.js .term-scene {
  grid-area: 1 / 1;
}

.js .term-scene + .term-scene {
  margin-top: 0;
}

.js .term-scene:not(.is-active),
.js .term-scene[hidden] {
  display: block;
  visibility: hidden;
}

.l {
  display: block;
  min-height: 1.65em;
  white-space: pre;
}

.l.w,
.l.j {
  white-space: pre-wrap;
  min-width: 0;
  max-width: var(--term-measure, 92ch);
}

.l[data-cmd] {
  white-space: pre-wrap;
  --hang: 2ch;
}

.l.w,
.l[data-cmd] {
  padding-left: var(--hang, 0ch);
  text-indent: calc(var(--indent, 0ch) - var(--hang, 0ch));
}

.l.j {
  overflow-wrap: anywhere;
}

.term-scene:has(.l.w, .l.j, .l[data-cmd]) {
  min-width: 0;
}

.l b {
  font-weight: 600;
  color: var(--fg);
}

.l.c {
  color: var(--text-dim);
}

.l.is-hidden {
  visibility: hidden;
}

.cursor,
.typing::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 1.15em;
  margin-left: 1px;
  vertical-align: -0.2em;
  background: var(--fg);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.t-ok {
  color: var(--book-teal);
}

.t-warn {
  color: var(--book-amber);
}

.t-err {
  color: var(--book-coral);
}

.t-a,
.t-k {
  color: var(--accent);
}

.t-s {
  color: color-mix(in oklab, var(--book-amber) 70%, var(--paper));
}

.t-d,
.t-h {
  color: var(--text-dim);
}

/* ---------- Sections ---------- */

.section {
  padding-top: var(--section);
}

.split-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px 64px;
  align-items: end;
  margin-bottom: 48px;
}

.split-head h2 {
  max-width: 14ch;
}

.split-head .lede {
  max-width: 520px;
  padding-bottom: 6px;
}

.center-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.center-head .lede {
  max-width: 620px;
  margin-top: 20px;
}

.center-link {
  margin-top: 32px;
  text-align: center;
  font-size: 15px;
}

.more {
  display: inline-block;
  color: var(--accent);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.lede .more {
  display: block;
  width: fit-content;
  margin-top: 12px;
}

.center-head .lede .more {
  margin-inline: auto;
}

.more::after {
  content: " →";
}

.more:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.more-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 24px;
}

/* ---------- Why ---------- */

.why h2 {
  max-width: 19ch;
}

.why-body {
  margin-top: 32px;
  display: grid;
  gap: 20px;
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.7;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.signature {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 15px;
  color: var(--fg);
}

.signature a {
  text-decoration: none;
  font-weight: 500;
}

.signature a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Loans ---------- */

.stage-term {
  display: grid;
  place-items: center;
  padding: clamp(14px, 6vw, 80px) clamp(14px, 7vw, 96px);
}

.term-wide {
  width: 100%;
  max-width: 860px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.facts li {
  display: grid;
  align-content: start;
  gap: 6px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.facts b {
  color: var(--fg);
  font-weight: 600;
}

/* ---------- Features (copy beside a stage) ---------- */

.feature {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-lg) + 4px);
  background: var(--surface);
}

.feature + .feature {
  margin-top: 24px;
}

.feature-flip {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(20px, 3.4vw, 48px);
}

.feature-flip .feature-copy {
  order: 2;
}

.feature-copy > p {
  margin-top: 14px;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.feature-copy h2 {
  margin-bottom: 6px;
  font-size: clamp(32px, 3.4vw, 46px);
  max-width: 13ch;
}

.checks {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-muted);
}

.checks li {
  position: relative;
  padding-left: 22px;
}

.checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--fg-subtle);
  box-shadow: 2px 2px 0 var(--border-strong);
}

.checks a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.stage-feature {
  min-height: 440px;
  border-radius: var(--radius-lg);
}

.window-bleed {
  position: absolute;
  top: clamp(36px, 4.4vw, 56px);
  left: clamp(36px, 4.4vw, 56px);
  width: 128%;
  border-radius: var(--radius) 0 0 0;
}

.window-bleed .window-title {
  position: static;
  transform: none;
}

.stage-pad {
  display: grid;
  align-items: center;
  padding: clamp(16px, 3.6vw, 48px);
}

.stage-pad .term {
  width: 100%;
}

.stage-pad .term-body {
  min-height: 260px;
}

.term.term-float .term-body {
  padding: 14px 16px 16px;
}

/* ---------- Bento ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-lg) + 4px);
  background: var(--surface);
}

.card-wide {
  grid-column: span 2;
}

.card-copy {
  padding: 28px 28px 0;
}

.card-copy p {
  margin-top: 8px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.card-shot {
  position: relative;
  height: 280px;
  margin: 28px 0 0 28px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-right: 0;
  border-bottom: 0;
  border-radius: var(--radius) 0 0 0;
  background: var(--bg);
}

/* Shots are cropped to the part that matters: --zoom scales, --shift pans left. */
.card-shot img,
.card-shot video {
  width: var(--zoom, 132%);
  max-width: none;
  height: auto;
  transform: translateX(var(--shift, 0%));
}

.card-phone {
  flex-direction: row;
  align-items: stretch;
}

.card-phone .card-copy {
  flex: 1 1 0;
  padding-bottom: 28px;
}

.phones {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex: none;
  height: 336px;
  padding: 28px 28px 0 0;
  overflow: hidden;
}

.phones img {
  width: 168px;
  height: auto;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  box-shadow: 0 18px 40px color-mix(in oklab, var(--bg) 70%, transparent);
}

.phones img + img {
  margin-top: 36px;
}

/* ---------- Harnesses + local ---------- */

.harnesses {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.harnesses li {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  background: var(--surface);
  transition:
    border-color 0.2s,
    background-color 0.2s;
}

.harnesses li:hover {
  border-color: var(--border-strong);
  background: var(--surface-raised);
}

.harnesses b {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}

.harnesses code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.harnesses .h-else {
  border-style: dashed;
  background: transparent;
}

.local {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px 64px;
  align-items: center;
  margin-top: 64px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-lg) + 4px);
  background:
    radial-gradient(
      120% 140% at 100% 0%,
      color-mix(in oklab, var(--wood-back) 55%, transparent),
      transparent 60%
    ),
    var(--surface);
}

.local-copy p {
  margin-top: 10px;
  max-width: 46ch;
  color: var(--fg-muted);
}

.local-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--fg);
}

.local-list li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.px {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--c);
}

/* ---------- How it works ---------- */

.diagram {
  --flow: 200px;
  --gap: clamp(16px, 3vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--flow) minmax(0, 1fr);
  column-gap: var(--gap);
  max-width: 980px;
  margin: 0 auto;
}

.dg-node {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.dg-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.dg-label {
  font-family: var(--font-pixel);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
}

.dg-head code {
  font-size: 12px;
  color: var(--text-dim);
}

/* A bookcase in the logo's colours: wood frame, dark back, spines, one gap. */
.spines {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 212px;
  padding: 12px 12px 0;
  background: var(--wood-back);
  border: 8px solid var(--wood);
  border-bottom-width: 12px;
  box-shadow:
    inset 0 -4px 0 color-mix(in oklab, var(--wood-back) 60%, var(--bg)),
    0 0 0 1px var(--wood-dark);
}

.spine {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: 0;
  height: var(--h);
  background: var(--c);
  box-shadow:
    inset 0 -6px 0 color-mix(in oklab, var(--c) 72%, var(--bg)),
    inset 0 8px 0 -4px color-mix(in oklab, var(--paper) 80%, var(--c));
}

.spine span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-pixel);
  font-size: 11px;
  line-height: 1;
  color: color-mix(in oklab, var(--bg) 88%, var(--c));
  white-space: nowrap;
  overflow: hidden;
  max-height: calc(100% - 16px);
}

.spine.gap {
  background: transparent;
  outline: 1px dashed color-mix(in oklab, var(--book-amber) 60%, transparent);
  outline-offset: -1px;
}

.spine.gap span {
  color: var(--book-amber);
}

.dg-foot {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.dg-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
}

.dg-cmd {
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  font-size: 12px;
  color: var(--fg);
  white-space: nowrap;
}

.dg-arrow {
  position: relative;
  width: 100%;
  height: 12px;
}

.dg-arrow::before {
  content: "";
  position: absolute;
  left: 0;
  right: 6px;
  top: 5px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--fg-subtle) 0 6px, transparent 6px 10px);
}

.dg-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 1px;
  border: 5px solid transparent;
  border-left: 7px solid var(--fg-subtle);
  border-right: 0;
}

.dg-arrow i {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 12px;
  background: var(--book-amber);
  animation: lend 3.2s var(--ease) infinite;
}

@keyframes lend {
  0% {
    left: 0;
    opacity: 0;
  }
  12%,
  70% {
    opacity: 1;
  }
  85%,
  100% {
    left: calc(100% - 14px);
    opacity: 0;
  }
}

.dg-note {
  font-family: var(--font-pixel);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--book-amber);
}

.tree {
  flex: 1;
  margin: 0;
  padding: 14px 16px;
  list-style: none;
  border-radius: var(--radius);
  background: var(--code-bg);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--fg-muted);
}

.tree .i1 {
  padding-left: 2ch;
}

.tree .i2 {
  padding-left: 4ch;
}

.tree .dir {
  color: var(--fg-muted);
}

.tree .hl {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg);
}

.dg-renew {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--book-teal);
}

.dg-loop {
  position: relative;
  width: 14px;
  height: 14px;
  border: 2px solid var(--book-teal);
  border-right-color: transparent;
  border-radius: 50%;
}

.dg-loop::after {
  content: "";
  position: absolute;
  top: -4px;
  right: -3px;
  border: 4px solid transparent;
  border-top-color: var(--book-teal);
  transform: rotate(20deg);
}

/* The return path: from the project back to the library, under both. */
.dg-return {
  grid-column: 1 / -1;
  position: relative;
  height: 64px;
  /* From the centre of the library column to the centre of the project column. */
  margin: -1px calc((100% - var(--flow) - 2 * var(--gap)) / 4) 0;
  border: 2px dashed color-mix(in oklab, var(--book-coral) 75%, transparent);
  border-top: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dg-return::before {
  content: "";
  position: absolute;
  left: -7px;
  top: -2px;
  border: 6px solid transparent;
  border-bottom: 8px solid var(--book-coral);
  border-top: 0;
}

.dg-return-label {
  position: absolute;
  left: 50%;
  bottom: -11px;
  transform: translateX(-50%);
  padding: 0 12px;
  background: var(--bg);
  font-family: var(--font-pixel);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--book-coral);
  white-space: nowrap;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin: 72px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.steps b {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 600;
}

.steps b::before {
  content: counter(step);
  font-family: var(--font-pixel);
  font-size: 11px;
  font-weight: 400;
  color: var(--fg-muted);
}

.steps p {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-muted);
}

/* ---------- Install ---------- */

.install {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.install-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-lg) + 4px);
  background: var(--surface);
}

.install-card > p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
}

.install-card a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.step-n {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--fg);
}

.cmd-block {
  display: flex;
  width: 100%;
  height: 52px;
}

.cmd-block code {
  flex: 1;
}

.install-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 28px;
  margin-top: 32px;
  font-size: 15px;
}

.install-links a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}

.install-links a::after {
  content: " →";
}

.install-links a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Closing ---------- */

.closing {
  position: relative;
  isolation: isolate;
  margin-top: var(--section);
  padding: clamp(96px, 12vw, 160px) 0 clamp(150px, 18vw, 240px);
  overflow: hidden;
  background: linear-gradient(
    180deg,
    var(--bg) 0%,
    color-mix(in oklab, var(--book-violet) 22%, var(--bg)) 55%,
    color-mix(in oklab, var(--book-coral) 40%, var(--bg)) 85%,
    var(--wood-back) 100%
  );
}

.closing .scene {
  mask-image: linear-gradient(180deg, transparent 0%, #000 34%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 34%);
}

.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.closing-logo {
  margin-bottom: 32px;
  filter: drop-shadow(0 10px 30px color-mix(in oklab, var(--bg) 80%, transparent));
}

.closing h2 {
  font-size: clamp(42px, 6.6vw, 88px);
  line-height: 1;
}

.closing .hero-actions {
  margin-top: 40px;
}

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

.footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  padding-block: 28px;
  font-size: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 600;
}

.footer-brand .t-d {
  font-weight: 400;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
}

.footer-links a,
.footer-made a {
  color: var(--fg-muted);
  text-decoration: none;
}

.footer-links a:hover,
.footer-made a:hover {
  color: var(--fg);
}

.footer-made {
  color: var(--text-dim);
}

/* ---------- Reveal on scroll ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}

.js [data-reveal][data-shown] {
  opacity: 1;
  transform: none;
}

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

@media (max-width: 1100px) {
  .term-float {
    display: none;
  }

  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .harnesses {
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .feature,
  .feature-flip {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-copy {
    padding: 20px 16px 8px;
  }

  .feature-flip .feature-copy {
    order: 0;
  }

  .stage-feature {
    min-height: 0;
    aspect-ratio: 16 / 10.5;
  }

  .stage-pad {
    aspect-ratio: auto;
  }

  .bento {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .card-wide {
    grid-column: 1 / -1;
  }

  .split-head,
  .local {
    grid-template-columns: minmax(0, 1fr);
  }

  .split-head {
    gap: 20px;
  }

  .split-head h2 {
    max-width: 18ch;
  }
}

@media (max-width: 820px) {
  .diagram {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 16px;
    max-width: 480px;
  }

  .dg-flow {
    padding: 8px 0;
  }

  .dg-arrow {
    width: 12px;
    height: 56px;
  }

  .dg-arrow::before {
    left: 5px;
    right: auto;
    top: 0;
    bottom: 6px;
    width: 2px;
    height: auto;
    background: repeating-linear-gradient(180deg, var(--fg-subtle) 0 6px, transparent 6px 10px);
  }

  .dg-arrow::after {
    top: auto;
    bottom: 0;
    right: 1px;
    border: 5px solid transparent;
    border-top: 7px solid var(--fg-subtle);
    border-bottom: 0;
  }

  .dg-arrow i {
    width: 12px;
    height: 6px;
    animation-name: lend-down;
  }

  .dg-return {
    display: none;
  }

  .install {
    grid-template-columns: minmax(0, 1fr);
  }
}

@keyframes lend-down {
  0% {
    top: 0;
    opacity: 0;
  }
  12%,
  70% {
    opacity: 1;
  }
  85%,
  100% {
    top: calc(100% - 14px);
    opacity: 0;
  }
}

@media (max-width: 720px) {
  :root {
    --nav-h: 56px;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px var(--pad) 20px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in oklab, var(--bg) 96%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition:
      opacity 0.18s,
      transform 0.18s var(--ease),
      visibility 0s 0.18s;
  }

  .nav[data-open] .nav-links {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition:
      opacity 0.18s,
      transform 0.18s var(--ease);
  }

  .nav-links a:not(.btn) {
    height: 44px;
    padding: 0 8px;
    font-size: 16px;
  }

  .nav-links .btn {
    margin: 10px 0 0;
    height: 44px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 400px;
  }

  .hero-actions .cmd-copy {
    width: 100%;
  }

  .hero-actions .cmd-copy code {
    flex: 1;
  }

  .hero-demo {
    flex-direction: column;
    align-items: center;
  }

  .stage-hero {
    margin-inline: calc(var(--pad) * -1);
    padding: 20px 14px 24px;
    border-radius: 0;
  }

  .window-hero .media {
    aspect-ratio: 4 / 3;
  }

  .window-hero video {
    width: 150%;
    max-width: none;
    height: auto;
  }

  /* Narrow terminals: shallow hanging indents, so wrapped text keeps its width. */
  .term-body .l.w {
    padding-left: 2ch;
    text-indent: calc(var(--indent, 0ch) - 2ch);
  }

  .window-title {
    display: none;
  }

  .term {
    font-size: 12px;
  }

  .term-bar {
    padding: 0 10px;
    gap: 10px;
  }

  .term-title {
    display: none;
  }

  .term-tabs {
    margin-left: auto;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .term-tabs button {
    padding: 0 7px;
    font-size: 11.5px;
  }

  .term-body {
    padding: 16px 14px 18px;
  }

  .stage-term {
    padding: 14px;
  }

  .bento {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .card-wide {
    grid-column: auto;
  }

  .card-copy {
    padding: 22px 22px 0;
  }

  .card-shot {
    height: 220px;
    margin: 22px 0 0 22px;
  }

  .card-shot img,
  .card-shot video {
    width: calc(var(--zoom, 132%) * 1.4);
  }

  .card-phone {
    flex-direction: column;
  }

  .card-phone .card-copy {
    padding-bottom: 0;
  }

  .phones {
    justify-content: center;
    height: 300px;
    padding: 24px 22px 0;
  }

  .phones img {
    width: min(150px, 42vw);
  }

  .facts,
  .steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .local-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .harnesses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .harnesses li {
    padding: 12px 14px;
  }

  .center-head {
    margin-bottom: 40px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Install cards are padded, so their commands get less room than the hero's. */
@media (max-width: 560px) {
  .install-card {
    padding: 20px 16px;
  }

  /* Wrap rather than hide the end of the command; Copy still copies it whole. */
  .cmd-block {
    height: auto;
    min-height: 48px;
  }

  .cmd-block code {
    flex-wrap: wrap;
    gap: 0 8px;
    padding: 12px 4px 12px 12px;
    font-size: 13px;
    white-space: normal;
  }
}

@media (max-width: 380px) {
  .cmd-copy code {
    padding-left: 12px;
    font-size: 13px;
  }

  .cmd-copy .t-p {
    display: none;
  }

  .harnesses b {
    font-size: 14px;
  }

  .harnesses code {
    font-size: 11px;
  }
}

/* ---------- Reduced motion: posters, no typing, no movement ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    /* biome-ignore lint/complexity/noImportantStyles: reduced motion must win over every animation */
    animation: none !important;
    /* biome-ignore lint/complexity/noImportantStyles: reduced motion must win over every transition */
    transition: none !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .dg-arrow i {
    display: none;
  }
}