/*
 * The romulus homepage. Colors, shadows, radii, fonts and easing come from
 * tokens.css, which is generated from the app's own globals.css: this file
 * holds layout and the marketing type scale only, never a raw color.
 */

/* ---- Fonts: the app's two variable fonts, latin subset ----------------- */
@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("/fonts/inter-latin-opsz-normal.woff2") format("woff2-variations");
}
@font-face {
  font-family: "JetBrains Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2-variations");
}

/* ---- Marketing scale: app tokens are sized for dense UI ---------------- */
:root {
  --container: 72rem;
  --gutter: clamp(1rem, 3.5vw, 2rem);
  --header-height: 3.5rem;

  --text-h1: clamp(2.375rem, 1.45rem + 3.9vw, 4.25rem);
  --text-h2: clamp(1.75rem, 1.3rem + 1.7vw, 2.625rem);
  --text-lead: clamp(1.125rem, 1.06rem + 0.3vw, 1.3125rem);
  --text-body: 1.0625rem;
  --text-small: 0.875rem;
  --text-code: 0.8125rem;

  --section-space: clamp(5rem, 3.5rem + 6vw, 9rem);
}

/* ---- Base --------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  font-family: var(--font-sans);
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
}
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}
body {
  min-height: 100dvh;
  background: var(--background);
  color: var(--foreground);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: clip;
}
::selection {
  background: var(--selection);
}
:focus-visible {
  outline: 0.125rem solid var(--ring);
  outline-offset: 0.1875rem;
  border-radius: var(--radius-sm);
}
img,
svg {
  display: block;
  max-width: 100%;
}
code,
pre,
kbd {
  font-family: var(--font-mono);
  font-feature-settings: normal;
  /* ">=" stays two characters: this is code people will type. */
  font-variant-ligatures: none;
}
h1,
h2,
h3 {
  text-wrap: balance;
}
.lead,
.copy > p,
.section-head > p,
.faq p {
  text-wrap: pretty;
}
a {
  color: inherit;
}
p a,
.faq a {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-decoration-thickness: 0.0625rem;
  text-underline-offset: 0.2em;
  transition: text-decoration-color var(--duration-fast) var(--ease-out);
}
p a:hover,
.faq a:hover {
  text-decoration-color: currentColor;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}
.mark-bg {
  fill: var(--primary);
}
.mark-fg {
  fill: var(--primary-foreground);
}
.mark-fg-stroke {
  stroke: var(--primary-foreground);
}

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: var(--text-small);
  font-weight: 550;
  text-decoration: none;
  transform: translateY(-200%);
}
.skip-link:focus-visible {
  transform: none;
}

/* ---- Buttons: the app's Button, as plain CSS ---------------------------- */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 0.75rem;
  border: 0.0625rem solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  font-weight: 550;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}
.button:focus-visible {
  outline-offset: 0.125rem;
  border-radius: var(--radius-md);
}
.button.large {
  height: 2.75rem;
  padding: 0 1.25rem;
  font-size: 0.9375rem;
}
.button.primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--elevation-control);
}
.button.primary:hover {
  background: var(--primary-hover);
}
.button.secondary {
  border-color: var(--border);
  background: var(--card);
  color: var(--foreground);
  box-shadow: var(--elevation-control);
}
.button.secondary:hover {
  border-color: var(--border-strong);
  background: var(--secondary);
}
.button.ghost {
  color: var(--muted-foreground);
}
.button.ghost:hover {
  background: var(--accent);
  color: var(--accent-foreground);
}
/* Touch: a 44px target around the compact header buttons. */
@media (pointer: coarse) {
  .site-nav a {
    padding-block: 0.75rem;
  }
  .button::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    min-width: 2.75rem;
    min-height: 2.75rem;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
  }
}

/* ---- Header ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 0.0625rem solid transparent;
  background: color-mix(in oklab, var(--background) 84%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(0.75rem);
  backdrop-filter: saturate(1.4) blur(0.75rem);
  transition: border-color var(--duration-base) var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--header-height);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.wordmark .mark {
  width: 1.5rem;
  height: 1.5rem;
}
.site-nav {
  display: none;
  gap: 0.25rem;
}
.site-nav a {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--muted-foreground);
  font-size: var(--text-small);
  font-weight: 500;
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}
.site-nav a:hover {
  background: var(--accent);
  color: var(--foreground);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}
.header-cta {
  display: none;
}
@media (min-width: 30rem) {
  .header-cta {
    display: inline-flex;
  }
}
@media (min-width: 60rem) {
  .site-nav {
    display: flex;
  }
}

/* ---- Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 1.5rem + 5vw, 6rem) calc(var(--section-space) / 2);
  isolation: isolate;
}
/* A dot grid, like the app's graph canvas, fading out around the product. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  height: min(60rem, 100%);
  background:
    radial-gradient(ellipse 70% 55% at 50% 30%, transparent 10%, var(--background) 75%),
    radial-gradient(color-mix(in oklab, var(--border-strong) 70%, transparent) 0.0625rem, transparent 0.0625rem)
      0 0 / 1.375rem 1.375rem;
}
.hero-copy {
  display: grid;
  justify-items: start;
}
.hero h1 {
  max-width: 22ch;
  font-size: var(--text-h1);
  font-weight: 640;
  line-height: 1.02;
  letter-spacing: -0.042em;
}
.lead {
  max-width: 40rem;
  margin-top: 1.5rem;
  color: var(--muted-foreground);
  font-size: var(--text-lead);
  line-height: 1.55;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.fineprint {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1.25rem;
  color: var(--faint-foreground);
  font-size: var(--text-small);
  line-height: 1.45;
}
.fineprint .icon {
  width: 1rem;
  height: 1rem;
  margin-top: 0.0625rem;
}
.hero-visual {
  position: relative;
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
}
/* A warm glow behind the window, from the accent. */
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -10% 10% 20%;
  z-index: -1;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--primary) 12%, transparent), transparent);
}

/* ---- The product window ------------------------------------------------- */
.product {
  container: window / inline-size;
}
/* With JavaScript, the scene waits until it is on screen (app.js). */
.js .product:not(.is-playing) {
  --play: paused;
}
.window {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--elevation-4);
  font-size: var(--text-code);
  line-height: 1.25;
  user-select: none;
}
.window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 2.75rem;
  padding: 0 0.75rem 0 0.875rem;
  border-bottom: 0.0625rem solid var(--border);
}
.crumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  color: var(--muted-foreground);
  font-size: var(--text-code);
  white-space: nowrap;
}
.crumbs .mark {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  margin-right: 0.25rem;
}
.crumbs .crumb {
  color: var(--muted-foreground);
}
.crumbs .sep {
  color: var(--border-strong);
}
.branch {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--foreground);
  font-weight: 550;
}
.branch .icon {
  width: 0.9375rem;
  height: 0.9375rem;
  color: var(--primary);
}
.base {
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  background: var(--muted);
  color: var(--faint-foreground);
  font-size: 0.75rem;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.avatars {
  display: flex;
}
.avatar {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--who);
  margin-left: -0.375rem;
  border-radius: 50%;
  box-shadow: 0 0 0 0.125rem var(--card);
  color: var(--presence-foreground);
  font-size: 0.6875rem;
  font-weight: 600;
}
.avatar:first-child {
  margin-left: 0;
}
.p1,
.c1 {
  --who: var(--presence-1);
}
.p3,
.c3 {
  --who: var(--presence-3);
}
.p4,
.c4 {
  --who: var(--presence-4);
}
.fake-button {
  display: inline-flex;
  align-items: center;
  height: 1.75rem;
  padding: 0 0.625rem;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.75rem;
  font-weight: 550;
}

.panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.pane-sql {
  container: sql / inline-size;
  border-bottom: 0.0625rem solid var(--border);
}
.pane-graph {
  container: graph / inline-size;
  background: var(--muted);
}
.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  height: 2.25rem;
  padding: 0 0.75rem 0 0.5rem;
  border-bottom: 0.0625rem solid var(--border);
  background: var(--card);
}
.tabs {
  display: flex;
  gap: 0.125rem;
}
.tab {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--faint-foreground);
  font-size: 0.75rem;
  font-weight: 500;
}
.tab.active {
  background: var(--accent);
  color: var(--foreground);
}
.graph-meta {
  color: var(--faint-foreground);
  font-size: 0.75rem;
}
.compile {
  display: grid;
  font-size: 0.75rem;
  font-weight: 500;
}
.compile-state {
  display: inline-flex;
  grid-area: 1 / 1;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
}
.compiled {
  color: var(--success);
}
.compiled .icon {
  width: 0.875rem;
  height: 0.875rem;
}
.compiling {
  color: var(--muted-foreground);
  opacity: 0;
}
.pulse {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--warning);
}

/* SQL pane: the font follows the pane, so the longest line always fits. */
.editor {
  position: relative;
  height: 17.5rem;
  overflow: hidden;
  padding: 0.625rem 0;
}
.lines {
  font-variant-ligatures: none;
  --code-size: clamp(0.5625rem, calc((100cqi - 1.75rem) / 33.5), 0.8125rem);
  font-family: var(--font-mono);
  font-size: var(--code-size);
  line-height: 1.6;
  /* On a phone the editor is scrolled to the table being edited. */
  transform: translateY(-11lh);
}
.l {
  display: flex;
  padding-right: 0.75rem;
}
.ln {
  flex: 0 0 4.5ch;
  padding-right: 1.5ch;
  color: var(--faint-foreground);
  text-align: right;
}
/* On a tinted conflict side the faint tone falls under AA. */
.conflict .ln {
  color: var(--muted-foreground);
}
.lc {
  position: relative;
  flex: 1;
  min-width: 0;
  white-space: pre;
}
/* The viewer's code colors (--syntax-*, the same tokens CodeMirror uses). */
.k {
  color: var(--syntax-keyword);
}
.t {
  color: var(--syntax-type);
}
.s {
  color: var(--syntax-string);
}
.n {
  color: var(--syntax-number);
}
.f {
  color: var(--syntax-function);
}
.p {
  color: var(--syntax-punctuation);
}
.i {
  color: var(--foreground);
}
.active-line {
  background: color-mix(in oklab, var(--presence-1) 7%, transparent);
}
.typed {
  display: inline-block;
  width: 47ch;
  vertical-align: top;
}
.caret {
  position: absolute;
  top: 0.15em;
  bottom: 0.15em;
  left: 2ch;
  width: 0.125rem;
  border-radius: 0.0625rem;
  background: var(--who);
  transform: translateX(47ch);
}
.caret.still {
  position: relative;
  display: inline-block;
  left: 0;
  height: 1.3em;
  margin-left: 0.0625rem;
  vertical-align: -0.25em;
  transform: none;
}
.flag {
  position: absolute;
  top: 50%;
  left: 0.3125rem;
  padding: 0.0625rem 0.3125rem;
  border-radius: var(--radius-xs);
  background: var(--who);
  color: var(--presence-foreground);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
  transform: translateY(-50%);
}
.sel {
  border-radius: 0.125rem;
  background: color-mix(in oklab, var(--who) 22%, transparent);
}

/* Graph pane: one unit of the 640×400 board is --u, so nodes, text and
   edges scale together with the pane, like a zoomed canvas. */
.canvas {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  overflow: hidden;
  background-image: radial-gradient(var(--border-strong) 0.0625rem, transparent 0.0625rem);
  background-size: 1.25rem 1.25rem;
}
.board {
  --u: calc(100cqi / 440);
  position: relative;
  width: 100%;
  height: calc(400 * var(--u));
  margin-block: 0.75rem;
}
.edges {
  position: absolute;
  top: 0;
  left: 0;
  width: calc(640 * var(--u));
  height: calc(400 * var(--u));
  max-width: none;
  overflow: visible;
}
.edge {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1.5;
}
.edge.type {
  stroke-dasharray: 4 4;
}
.edge.new {
  stroke: var(--presence-1);
  stroke-width: 1.75;
}
.end {
  fill: var(--card);
  stroke: var(--border-strong);
  stroke-width: 1.5;
}
.new-end {
  stroke: var(--presence-1);
}
.node {
  position: absolute;
  top: calc(var(--y) * var(--u));
  left: calc(var(--x) * var(--u));
  width: calc(160 * var(--u));
  padding-bottom: calc(4 * var(--u));
  border-radius: calc(8 * var(--u));
  background: var(--card);
  box-shadow:
    0 0 0 0.0625rem var(--border),
    0 calc(2 * var(--u)) calc(6 * var(--u)) -0.0625rem rgb(0 0 0 / 0.06);
  font-family: var(--font-mono);
  font-size: calc(10.5 * var(--u));
}
.node-head {
  display: flex;
  align-items: center;
  gap: calc(6 * var(--u));
  height: calc(30 * var(--u));
  margin-bottom: calc(4 * var(--u));
  padding: 0 calc(10 * var(--u));
  border-bottom: 0.0625rem solid var(--border);
  color: var(--foreground);
  font-weight: 650;
}
.node-dot {
  width: calc(7 * var(--u));
  height: calc(7 * var(--u));
  border-radius: calc(2 * var(--u));
  background: var(--primary);
}
.node-enum .node-dot {
  background: var(--presence-2);
}
.node-tag {
  margin-left: auto;
  color: var(--faint-foreground);
  font-family: var(--font-sans);
  font-weight: 500;
}
.node-presence {
  display: grid;
  place-items: center;
  width: calc(16 * var(--u));
  height: calc(16 * var(--u));
  margin-left: auto;
  border-radius: 50%;
  background: var(--who);
  color: var(--presence-foreground);
  font-family: var(--font-sans);
  font-size: calc(9 * var(--u));
}
.row {
  display: flex;
  align-items: center;
  gap: calc(6 * var(--u));
  height: calc(22 * var(--u));
  padding: 0 calc(10 * var(--u));
  color: var(--foreground);
}
.row span {
  flex: 1;
  min-width: 0;
}
.row i {
  color: var(--faint-foreground);
  font-style: normal;
}
.row .enum-type {
  color: var(--syntax-type);
  text-decoration: underline dotted;
  text-underline-offset: 0.15em;
}
.key {
  padding: 0 calc(3 * var(--u));
  border-radius: calc(2 * var(--u));
  font-family: var(--font-sans);
  font-size: calc(8.5 * var(--u));
  font-weight: 600;
  line-height: 1.5;
}
.key.pk {
  background: color-mix(in oklab, var(--primary) 12%, transparent);
  color: var(--primary);
}
.key.fk {
  background: color-mix(in oklab, var(--info) 12%, transparent);
  color: var(--info);
}
.node-invoices::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    0 0 0 0.125rem var(--presence-3),
    0 0 0 calc(5 * var(--u)) color-mix(in oklab, var(--presence-3) 18%, transparent);
  pointer-events: none;
}
.row-new {
  background: color-mix(in oklab, var(--success) 9%, transparent);
}
.pointer {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  transform: translate(calc(384 * var(--u)), calc(168 * var(--u)));
}
.pointer svg {
  width: calc(16 * var(--u));
  min-width: 0.75rem;
  height: auto;
  fill: var(--who);
  stroke: var(--card);
  stroke-width: 1;
  filter: drop-shadow(0 0.0625rem 0.0625rem rgb(0 0 0 / 0.2));
}
.pointer-idle {
  display: flex;
  align-items: flex-start;
}
.pointer .flag {
  position: static;
  margin: calc(12 * var(--u)) 0 0 calc(-3 * var(--u));
  transform: none;
}

@container window (min-width: 50rem) {
  .panes {
    grid-template-columns: minmax(0, 44fr) minmax(0, 56fr);
    height: 30rem;
  }
  .pane-sql {
    border-bottom: 0;
    border-right: 0.0625rem solid var(--border);
  }
  .editor {
    flex: 1;
    height: auto;
  }
  .lines {
    transform: none;
  }
  .board {
    --u: calc(100cqi / 664);
    width: calc(640 * var(--u));
    margin-inline: auto;
  }
}
@container window (max-width: 34rem) {
  .hide-sm {
    display: none;
  }
}
@container window (max-width: 24rem) {
  .hide-xs {
    display: none;
  }
}

/* The scene: Ada types a foreign key, it compiles, the graph grows the column
   and its edge, and Sam's pointer selects it. Base styles are the end state,
   so reduced motion (or no JavaScript) shows the finished picture. The
   animations hold their first frame until the window scrolls into view. */
@media (prefers-reduced-motion: no-preference) {
  .typed {
    animation: type 2.6s steps(47, end) 0.8s both;
    animation-play-state: var(--play, running);
  }
  .caret:not(.still) {
    animation: caret 2.6s steps(47, end) 0.8s both;
    animation-play-state: var(--play, running);
  }
  .compiling {
    animation: blip-in 0.75s linear 3.4s both;
    animation-play-state: var(--play, running);
  }
  .compiled {
    animation: blip-out 0.75s linear 3.4s both;
    animation-play-state: var(--play, running);
  }
  .row-new {
    animation:
      fade-in 0.35s var(--ease-out) 4.15s both,
      settle 1.6s var(--ease-out) 6s both;
    animation-play-state: var(--play, running);
  }
  .rows-after {
    animation: rows-down 0.45s var(--ease-out) 4.15s both;
    animation-play-state: var(--play, running);
  }
  .edge.new {
    stroke-dasharray: 1;
    animation: draw 0.8s var(--ease-out) 4.25s both;
    animation-play-state: var(--play, running);
  }
  .new-end {
    animation: fade-in 0.3s var(--ease-out) 4.6s both;
    animation-play-state: var(--play, running);
  }
  .node-invoices::after {
    animation: fade-in 0.25s var(--ease-out) 5.85s both;
    animation-play-state: var(--play, running);
  }
  .pointer {
    animation: pointer-move 1s var(--ease-in-out) 4.8s both;
    animation-play-state: var(--play, running);
  }
  .pointer svg {
    animation: press 0.3s var(--ease-out) 5.75s both;
    animation-play-state: var(--play, running);
  }
  .pointer-idle {
    animation: idle 5s var(--ease-in-out) 7s infinite alternate both;
    animation-play-state: var(--play, running);
  }

  @keyframes type {
    from {
      clip-path: inset(0 100% 0 0);
    }
    to {
      clip-path: inset(0 0 0 0);
    }
  }
  @keyframes caret {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(47ch);
    }
  }
  @keyframes blip-in {
    0%,
    100% {
      opacity: 0;
    }
    8%,
    92% {
      opacity: 1;
    }
  }
  @keyframes blip-out {
    0%,
    100% {
      opacity: 1;
    }
    8%,
    92% {
      opacity: 0;
    }
  }
  @keyframes fade-in {
    from {
      opacity: 0;
    }
  }
  @keyframes settle {
    from {
      background: color-mix(in oklab, var(--success) 22%, transparent);
    }
  }
  @keyframes rows-down {
    from {
      transform: translateY(calc(-22 * var(--u)));
    }
  }
  @keyframes draw {
    from {
      stroke-dashoffset: 1;
    }
    to {
      stroke-dashoffset: 0;
    }
  }
  @keyframes pointer-move {
    from {
      transform: translate(calc(560 * var(--u)), calc(214 * var(--u)));
    }
  }
  @keyframes press {
    40% {
      transform: scale(0.82);
    }
  }
  @keyframes idle {
    to {
      transform: translate(calc(14 * var(--u)), calc(-6 * var(--u)));
    }
  }
}

/* ---- Sections ----------------------------------------------------------- */
/* Each section owns half the gap above it and half below. */
.section {
  padding-block: calc(var(--section-space) / 2);
}
.section h2,
.closing h2 {
  font-size: var(--text-h2);
  font-weight: 640;
  line-height: 1.1;
  letter-spacing: -0.032em;
}
.copy > p,
.section-head > p {
  max-width: 34rem;
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: var(--text-body);
  line-height: 1.65;
}
.split {
  display: grid;
  gap: 2.75rem;
  align-items: center;
}
@media (min-width: 64rem) {
  .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(3rem, 6vw, 6rem);
  }
  .split.reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .split.reverse .copy {
    order: 2;
  }
}
.points {
  display: grid;
  gap: 1.25rem;
  max-width: 34rem;
  margin-top: 2rem;
  padding: 1.5rem 0 0;
  border-top: 0.0625rem solid var(--border);
  list-style: none;
}
.points li {
  display: grid;
  gap: 0.25rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.points strong {
  color: var(--foreground);
  font-size: var(--text-body);
  font-weight: 600;
}
code {
  font-size: 0.875em;
}
.points code,
.copy p code {
  padding: 0.0625rem 0.3125rem;
  border-radius: var(--radius-sm);
  background: var(--muted);
  color: var(--foreground);
  white-space: nowrap;
}
.card {
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--elevation-3);
}

/* Versions and diff. */
.versions {
  display: grid;
  overflow: hidden;
  font-size: var(--text-code);
}
@media (min-width: 40rem) {
  .versions {
    grid-template-columns: 13.5rem minmax(0, 1fr);
  }
}
.versions-list {
  position: relative;
  padding: 0.875rem 0.625rem;
  border-bottom: 0.0625rem solid var(--border);
  background: var(--background);
}
@media (min-width: 40rem) {
  .versions-list {
    border-right: 0.0625rem solid var(--border);
    border-bottom: 0;
  }
}
.vlist-head {
  padding: 0 0.5rem 0.625rem;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 600;
}
.vrow {
  --tone: var(--primary);
  --tone-text: color-mix(in oklab, var(--tone) 68%, var(--foreground));
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
}
.vrow + .vrow::before {
  content: "";
  position: absolute;
  top: -0.6rem;
  left: 1.25rem;
  height: 0.9rem;
  border-left: 0.0625rem solid var(--border-strong);
}
.vnum {
  justify-self: start;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  background: var(--muted);
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}
.vmeta {
  display: grid;
  min-width: 0;
}
.vtitle {
  overflow: hidden;
  color: var(--foreground);
  font-weight: 550;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vsub {
  color: var(--faint-foreground);
  font-size: 0.75rem;
}
.vrow.is-from,
.vrow.is-to {
  background: var(--card);
  box-shadow: var(--elevation-1);
}
.vrow.is-from .vnum,
.vrow.is-to .vnum {
  background: color-mix(in oklab, var(--primary) 12%, transparent);
  color: var(--tone-text);
}
.vpin {
  color: var(--primary);
  font-size: 0.6875rem;
  font-weight: 600;
}
.diff {
  padding: 0.875rem 1rem 1rem;
}
.diff-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 600;
  gap: 0.5rem 1rem;
  padding-bottom: 0.75rem;
}
.diff-range {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--foreground);
  font-family: var(--font-mono);
}
.diff-range .icon {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--faint-foreground);
}
.diff-counts {
  display: flex;
  gap: 0.75rem;
  font-weight: 500;
}
.count {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  color: var(--tone);
}
.count::before {
  content: "";
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: currentColor;
}
/* --tone-text: a status tone pulled toward the text color, so it keeps AA
   contrast on its own tint in both themes. */
.add,
.change,
.remove {
  --tone-text: color-mix(in oklab, var(--tone) 68%, var(--foreground));
}
.add {
  --tone: var(--success);
}
.change {
  --tone: var(--warning);
}
.remove {
  --tone: var(--destructive);
}
.changes {
  display: grid;
  gap: 0.25rem;
  padding: 0;
  list-style: none;
}
.changes li {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
  padding: 0.4375rem 0.5rem;
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--tone) 6%, transparent);
}
.badge {
  justify-self: start;
  padding: 0.0625rem 0.375rem;
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--tone) 14%, transparent);
  color: var(--tone-text);
  font-size: 0.6875rem;
  font-weight: 600;
}
.obj {
  overflow: hidden;
  color: var(--muted-foreground);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.obj b {
  color: var(--foreground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 550;
}
.obj i {
  margin-left: 0.25rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
}

/* Update draft: an inline conflict, as the editor shows it. */
.merge {
  overflow: hidden;
  font-size: var(--text-code);
}
.merge-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 0.0625rem solid var(--border);
}
.merge-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--foreground);
  font-weight: 600;
}
.merge-title .icon {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
}
.merge-sub {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--muted-foreground);
  font-size: 0.75rem;
}
.conflict-count {
  --tone: var(--warning);
  --tone-text: color-mix(in oklab, var(--tone) 68%, var(--foreground));
  padding: 0.0625rem 0.375rem;
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--tone) 14%, transparent);
  color: var(--tone-text);
  font-weight: 600;
}
.code-block {
  --code-size: 0.8125rem;
  font-variant-ligatures: none;
  padding: 0.75rem 0;
  font-family: var(--font-mono);
  font-size: var(--code-size);
  line-height: 1.7;
  overflow: hidden;
}
@media (max-width: 26rem) {
  .code-block {
    --code-size: 0.75rem;
  }
}
.conflict {
  margin: 0.375rem 0.75rem;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 0.0625rem var(--border-strong);
}
.side {
  padding: 0.375rem 0 0.25rem;
}
.side.mine {
  --tone: var(--info);
  background: color-mix(in oklab, var(--info) 8%, transparent);
}
.side.theirs {
  --tone: var(--presence-2);
  border-top: 0.0625rem dashed var(--border-strong);
  background: color-mix(in oklab, var(--presence-2) 8%, transparent);
}
.side-label {
  padding: 0 0.75rem;
  color: var(--tone);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
}
.side .l {
  padding-left: 0;
}
.conflict .ln {
  flex-basis: 3.75ch;
}
.code-block .ln {
  flex-basis: 4.5ch;
}
.conflict-actions {
  display: flex;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  border-top: 0.0625rem solid var(--border);
  background: var(--card);
  font-family: var(--font-sans);
}
.fake-button.small {
  height: 1.5rem;
  border: 0.0625rem solid var(--border);
  background: var(--card);
  color: var(--foreground);
  box-shadow: var(--elevation-control);
}
.merged {
  align-items: center;
  background: color-mix(in oklab, var(--success) 7%, transparent);
}
.lc.dropped {
  color: var(--muted-foreground);
  font-family: var(--font-sans);
  font-style: italic;
}
.merged-tag {
  --tone: var(--success);
  --tone-text: color-mix(in oklab, var(--tone) 68%, var(--foreground));
  margin-left: auto;
  padding: 0 0.375rem;
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--success) 14%, transparent);
  color: var(--tone-text);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.6;
}
.merge-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-top: 0.0625rem solid var(--border);
  color: var(--muted-foreground);
  font-size: 0.75rem;
}
.dot-warn {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--warning);
}

/* The push snippet: a terminal, dark in both themes (the app's dark tokens). */
.terminal {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--elevation-4);
  color: var(--foreground);
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 2.75rem;
  padding: 0 0.5rem 0 1rem;
  border-bottom: 0.0625rem solid var(--border);
}
.terminal-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 500;
}
.terminal-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.terminal-title .icon {
  width: 1rem;
  height: 1rem;
}
.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 1.875rem;
  padding: 0 0.625rem;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--muted-foreground);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 550;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}
.copy-button:hover {
  background: var(--accent);
  color: var(--foreground);
}
.copy-button .icon {
  width: 0.9375rem;
  height: 0.9375rem;
}
.copy-button[data-copied] {
  color: var(--success);
}
.terminal-body {
  margin: 0;
  padding: 1.125rem 1.25rem;
  font-size: clamp(0.71875rem, 0.66rem + 0.25vw, 0.8125rem);
  line-height: 1.75;
}
.terminal-body code {
  font-size: inherit;
}
/* One block per shell line. On a phone a long line wraps (at spaces, or at
   the URL's slashes) and its continuation hangs two characters deeper than
   any line's own indent, so it never reads as a new line. Nothing is clipped,
   and copying still gives the five lines as written. */
/* A line's last word keeps its "\": a continuation never wraps alone. */
.nw {
  white-space: nowrap;
}
.cl {
  display: block;
  padding-left: 8ch;
  text-indent: -8ch;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.tc {
  color: var(--syntax-comment);
}
.ts {
  color: var(--syntax-string);
}
.terminal-out {
  display: grid;
  gap: 0.375rem;
  padding: 0.875rem 1.25rem 1rem;
  border-top: 0.0625rem solid var(--border);
  font-size: 0.8125rem;
}
.terminal-out div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.625rem;
  color: var(--foreground);
}
.status {
  padding: 0.0625rem 0.375rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}
.status.ok {
  background: color-mix(in oklab, var(--success) 16%, transparent);
  color: var(--success);
}
.status.same {
  background: var(--accent);
  color: var(--muted-foreground);
}
.out-dim {
  color: var(--faint-foreground);
}

/* Postgres features: a ledger of what the model keeps. */
.section-head {
  max-width: 40rem;
}
.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.0625rem;
  margin-top: 3rem;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--border);
  box-shadow: 0 0 0 0.0625rem var(--border);
  list-style: none;
}
@media (min-width: 64rem) {
  .features {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}
.features li {
  display: grid;
  align-content: start;
  gap: 0.625rem;
  padding: 1rem 1rem 1.125rem;
  background: var(--card);
}
@media (min-width: 36rem) {
  .features li {
    padding: 1.25rem 1.25rem 1.375rem;
  }
}
.features code {
  justify-self: start;
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 550;
}
.features span {
  color: var(--muted-foreground);
  font-size: var(--text-small);
  line-height: 1.5;
}
@media (min-width: 36rem) {
  .features span {
    font-size: 0.9375rem;
  }
}
.note {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  max-width: 44rem;
  margin-top: 1.5rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  line-height: 1.55;
}
.note .icon {
  margin-top: 0.1875rem;
  color: var(--success);
}

/* Roles. */
.roles-card {
  overflow-x: auto;
}
.roles {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.roles th,
.roles td {
  padding: 0.875rem 1rem;
  border-bottom: 0.0625rem solid var(--border);
}
.roles tbody tr:last-child th,
.roles tbody tr:last-child td {
  border-bottom: 0;
}
.roles thead th {
  color: var(--muted-foreground);
  font-size: var(--text-small);
  font-weight: 600;
  text-align: center;
}
.roles tbody th {
  color: var(--foreground);
  font-weight: 500;
  text-align: left;
}
.roles td svg {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0 auto;
}
.roles .yes {
  color: var(--success);
}
.roles .no {
  color: var(--faint-foreground);
}
@media (max-width: 30rem) {
  .roles th,
  .roles td {
    padding: 0.75rem 0.5rem;
  }
  .roles tbody th {
    padding-left: 1rem;
    font-size: var(--text-small);
  }
  .roles thead th {
    font-size: 0.75rem;
  }
}

/* FAQ. */
.faq-layout {
  display: grid;
  gap: 2rem;
}
@media (min-width: 64rem) {
  .faq-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(3rem, 6vw, 6rem);
  }
  .faq-head {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    align-self: start;
  }
}
.faq {
  border-top: 0.0625rem solid var(--border);
}
.faq details {
  border-bottom: 0.0625rem solid var(--border);
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  color: var(--foreground);
  font-size: var(--text-body);
  font-weight: 550;
  line-height: 1.4;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary .icon {
  color: var(--muted-foreground);
  transition: transform var(--duration-slow) var(--ease-out);
}
/* The plus turns into a cross when open. */
.faq details[open] summary .icon {
  transform: rotate(45deg);
}
.faq summary:focus-visible {
  outline-offset: 0.25rem;
}
.faq details p {
  max-width: 40rem;
  padding: 0 0 1.5rem;
  color: var(--muted-foreground);
  font-size: var(--text-body);
  line-height: 1.65;
}
@media (prefers-reduced-motion: no-preference) {
  .faq {
    interpolate-size: allow-keywords;
  }
  .faq details::details-content {
    block-size: 0;
    overflow: clip;
    transition:
      block-size var(--duration-slow) var(--ease-out),
      content-visibility var(--duration-slow) allow-discrete;
  }
  .faq details[open]::details-content {
    block-size: auto;
  }
}

/* Closing call to action. */
.closing {
  padding-block: calc(var(--section-space) / 2) var(--section-space);
}
.closing-inner {
  display: grid;
  justify-items: center;
  text-align: center;
}
.closing p {
  max-width: 32rem;
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: var(--text-lead);
  line-height: 1.55;
}
.closing .cta-row {
  justify-content: center;
}

/* ---- Footer ------------------------------------------------------------- */
.site-footer {
  border-top: 0.0625rem solid var(--border);
  padding-block: 2.5rem calc(2.5rem + env(safe-area-inset-bottom));
}
.footer-inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 48rem) {
  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 2.5rem;
  }
}
.footer-brand p {
  margin-top: 0.5rem;
  color: var(--muted-foreground);
  font-size: var(--text-small);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  column-gap: 1.5rem;
  font-size: var(--text-small);
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.footer-links a:hover {
  color: var(--foreground);
}

/* Theme: a three-way segmented control of native radios. */
.theme-switch {
  display: inline-flex;
  justify-self: start;
  gap: 0.125rem;
  padding: 0.1875rem;
  border: 0;
  border-radius: calc(var(--radius-md) + 0.1875rem);
  background: var(--muted);
  box-shadow: inset 0 0 0 0.0625rem var(--border);
}
.theme-switch label {
  position: relative;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 1.75rem;
  border-radius: var(--radius-md);
  color: var(--faint-foreground);
  cursor: pointer;
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}
.theme-switch label:hover {
  color: var(--foreground);
}
.theme-switch input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.theme-switch label:has(input:checked) {
  background: var(--card);
  color: var(--foreground);
  box-shadow: var(--elevation-1);
}
.theme-switch label:has(input:focus-visible) {
  outline: 0.125rem solid var(--ring);
  outline-offset: 0.0625rem;
}
.theme-switch .icon {
  width: 1rem;
  height: 1rem;
}

/* ---- 404 ---------------------------------------------------------------- */
.not-found {
  display: grid;
  place-content: center;
  justify-items: start;
  min-height: calc(100dvh - var(--header-height));
  padding-block: 4rem;
}
.not-found .code {
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 600;
}
.not-found h1 {
  margin-top: 0.75rem;
  font-size: var(--text-h2);
  font-weight: 640;
  line-height: 1.1;
  letter-spacing: -0.032em;
}
.not-found p {
  max-width: 28rem;
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: var(--text-body);
}