/*
 * The site's styles. Every color, radius, space, shadow, duration and font
 * stack is a design-system token from tokens.css (copied from the design
 * repository at design/DESIGN_REF); no color is written here. Light and dark
 * follow the system through the tokens' own media query.
 */

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/inter-latin-400-normal.woff2) format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308,
    U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/inter-latin-600-normal.woff2) format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308,
    U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/inter-latin-ext-400-normal.woff2) format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/inter-latin-ext-600-normal.woff2) format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/inter-cyrillic-400-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/inter-cyrillic-600-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/inter-cyrillic-ext-400-normal.woff2) format("woff2");
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/inter-cyrillic-ext-600-normal.woff2) format("woff2");
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* The site's own type steps beside the design system's display sizes
   (--fs-display, --fs-display-l): four text sizes, two weights. */
:root {
  --fs-micro: 12px;
  --fs-small: 14px;
  --fs-body: 16px;
  --fs-lead: 18px;
  --fs-title: 22px;
  --fs-page: clamp(30px, 4.4vw, var(--fs-display));
  --fs-hero: clamp(30px, 4.4vw, var(--fs-display-l));
  --fs-section: clamp(var(--fs-title), 7vw, var(--fs-display));
  --wrap: 1120px;
  --header-h: 64px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 var(--fs-body) / 1.6 var(--font-ui);
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--sp-3);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}
h1 {
  font-size: var(--fs-page);
  letter-spacing: -0.02em;
}
h2 {
  font-size: var(--fs-title);
}
h3,
h4 {
  font-size: var(--fs-body);
}
p,
ul,
ol,
dl {
  margin: 0 0 var(--sp-4);
}
p,
li,
dd {
  overflow-wrap: break-word;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover {
  color: var(--accent-hover);
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

code,
pre,
.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
code {
  overflow-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
}

.wrap {
  max-width: var(--wrap);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-5);
  padding-right: var(--sp-5);
}

.skip {
  position: absolute;
  left: var(--sp-3);
  top: -100px;
  z-index: 10;
  padding: var(--sp-2) var(--sp-4);
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--accent);
  border-radius: var(--radius-m);
}
.skip:focus {
  top: var(--sp-3);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.muted {
  color: var(--text-3);
}
.small,
.note,
.hint {
  font-size: var(--fs-small);
}
.note,
.hint {
  color: var(--text-2);
}

/* Header: sticky, the page faintly visible through it. The blur sits on a
   layer of its own, so the phone menu's fixed panel is placed against the
   viewport, not the header. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(12px);
  backdrop-filter: saturate(1.5) blur(12px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header::before {
    background: var(--surface);
  }
}
.header-row {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-lead);
  white-space: nowrap;
}
.brand b {
  color: var(--accent);
  font-weight: 600;
}
.brand:hover {
  color: var(--text);
}
.nav-main {
  display: flex;
  gap: var(--sp-1);
  flex: 1;
}
.nav-main a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--sp-3);
  color: var(--text-2);
  text-decoration: none;
  border-radius: var(--radius-m);
  transition:
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}
.nav-main a:hover {
  color: var(--text);
  background: var(--surface-2);
}
.nav-main a[aria-current="page"] {
  color: var(--accent-text);
  background: var(--accent-soft);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--sp-2);
  color: var(--text-2);
  font-size: var(--fs-small);
  text-decoration: none;
}
.lang-switch:hover {
  color: var(--text);
}

/* The phone menu: a full-height panel under the header, its links arriving
   one after another, the three bars turning into a cross. */
.menu {
  display: none;
}
.menu summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-touch);
  height: var(--tap-touch);
  border-radius: var(--radius-m);
  color: var(--text);
  cursor: pointer;
}
.menu summary:hover {
  background: var(--surface-2);
}
.menu summary::-webkit-details-marker {
  display: none;
}
.menu-word {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.menu-icon {
  position: relative;
  width: var(--sp-5);
  height: 14px;
}
.menu-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition:
    transform var(--dur-slow) var(--ease),
    opacity var(--dur-base) var(--ease);
}
.menu-icon span:nth-child(1) {
  top: 0;
}
.menu-icon span:nth-child(2) {
  top: 6px;
}
.menu-icon span:nth-child(3) {
  top: 12px;
}
.menu[open] .menu-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.menu[open] .menu-icon span:nth-child(2) {
  opacity: 0;
}
.menu[open] .menu-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.menu-panel {
  position: fixed;
  top: calc(var(--header-h) + 1px);
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  padding: var(--sp-4) var(--sp-4) var(--sp-8);
  background: var(--bg);
  overflow-y: auto;
}
.menu-panel a {
  display: flex;
  align-items: center;
  min-height: calc(var(--tap-touch) + var(--sp-3));
  padding: 0 var(--sp-2);
  color: var(--text);
  font-size: var(--fs-title);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.menu-panel a[aria-current="page"] {
  /* Accent text on accent-soft takes accent-text, as the design system's
     "Filled controls" says (dark: 6.89:1 here, the accent read 4.60:1). */
  color: var(--accent-text);
  background: var(--accent-soft);
}
.menu-panel .menu-lang {
  margin-top: var(--sp-5);
  border-bottom: 0;
  color: var(--text-2);
  font-size: var(--fs-body);
  font-weight: 400;
}
body:has(.menu[open]) {
  overflow: hidden;
}
@media (prefers-reduced-motion: no-preference) {
  .menu[open] .menu-panel a {
    animation: menu-in var(--dur-reveal) var(--ease-entrance) both;
  }
  .menu[open] .menu-panel a:nth-child(2) {
    animation-delay: 60ms;
  }
  .menu[open] .menu-panel a:nth-child(3) {
    animation-delay: 120ms;
  }
  .menu[open] .menu-panel a:nth-child(4) {
    animation-delay: 180ms;
  }
  .menu[open] .menu-panel a:nth-child(5) {
    animation-delay: 240ms;
  }
  .menu[open] .menu-panel a:nth-child(6) {
    animation-delay: 300ms;
  }
  .menu[open] .menu-panel a:nth-child(n + 7) {
    animation-delay: 360ms;
  }
}
@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(var(--sp-6));
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  /* Room above and below: a label that wraps to two lines (Russian in a
     narrow plan card) keeps clear of the border. */
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-m);
  border: 1px solid transparent;
  font: 600 var(--fs-body) / 1.25 var(--font-ui);
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-on);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-on);
  text-decoration: none;
}
.btn-primary:active {
  background: var(--accent-active);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
}
.btn-small {
  min-height: 36px;
  padding: var(--sp-1) var(--sp-4);
  font-size: var(--fs-small);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* Page heads and sections */
.page-head {
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-4);
}
.page-head .lead {
  max-width: 68ch;
}
.lead {
  font-size: var(--fs-lead);
  color: var(--text-2);
}
.eyebrow {
  margin-bottom: var(--sp-2);
  color: var(--accent);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.section {
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-8);
}
/* A grid's implicit column is sized to its content, so a long line of code
   would widen the page on a phone; every grid starts with one column that
   may shrink, and wider screens set their own columns below. */
.two-col,
.hero-grid,
.scenarios,
.roles,
.topics,
.cards,
.plans,
.calc,
.keys {
  grid-template-columns: minmax(0, 1fr);
}
.two-col {
  display: grid;
  gap: var(--sp-7);
}
@media (min-width: 900px) {
  .two-col {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

figure {
  margin: 0;
}
.shot {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-2);
  background: var(--surface);
}
.checks {
  padding: 0;
  list-style: none;
}
.checks li {
  position: relative;
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-3);
}
.checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.45em;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ------------------------------------------------------------------------
   Home. The sections take the design system's marketing values: --sp-9 to
   --sp-11 for their gaps, --fs-display and --fs-display-l for display type,
   --dur-reveal with --ease-entrance for what rises into view once.
   ------------------------------------------------------------------------ */
.hero {
  padding: var(--sp-9) 0 var(--sp-10);
  background: var(--surface);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  gap: var(--sp-9);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero {
    padding: var(--sp-11) 0;
  }
  .hero-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--sp-10);
  }
}
.hero h1 {
  margin-bottom: var(--sp-5);
  font-size: var(--fs-hero);
  line-height: 1.08;
  letter-spacing: -0.025em;
  overflow-wrap: normal;
}
.h1-line {
  display: block;
  text-wrap: balance;
}
.h1-line + .h1-line {
  color: var(--accent);
}
.hero .lead {
  max-width: 52ch;
  margin: 0;
  text-wrap: pretty;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-6);
  margin-top: var(--sp-7);
}
.btn-large {
  min-height: calc(var(--tap-touch) + var(--sp-2));
  padding: var(--sp-3) var(--sp-6);
}
.btn {
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.btn:active {
  transform: translateY(1px);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: var(--tap-touch);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}
.link-arrow::after {
  content: "→";
  transition: transform var(--dur-base) var(--ease);
}
.link-arrow:hover {
  color: var(--accent-text);
  text-decoration: underline;
}
.link-arrow:hover::after {
  transform: translateX(var(--sp-1));
}
.proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-2);
  font-size: var(--fs-small);
}
.proof li {
  position: relative;
  padding-left: var(--sp-5);
}
.proof li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--success-text);
  border-bottom: 2px solid var(--success-text);
  transform: rotate(-45deg);
}

/* The register's sale screen in HTML (the app's own layout, from the design
   system): a static frame whose contents load in on the first screen. */
.hero-visual {
  min-width: 0;
}
.reg {
  container-type: inline-size;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-3);
  color: var(--text);
  font-size: var(--fs-micro);
  line-height: 1.35;
}
.reg b {
  font-weight: 600;
}
.reg small {
  display: block;
  color: var(--text-3);
  font-size: var(--fs-micro);
}
.reg-top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--border);
}
.reg-app {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  white-space: nowrap;
}
.reg-mark {
  flex: none;
  width: var(--sp-6);
  height: var(--sp-6);
  border-radius: var(--radius-s);
  background: var(--accent);
  box-shadow:
    inset 0 0 0 7px var(--accent),
    inset 0 0 0 9px var(--accent-on);
}
.reg-scan {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
  padding: var(--sp-2) var(--sp-3);
  border: 2px solid var(--accent);
  border-radius: var(--radius-m);
  color: var(--text-3);
  white-space: nowrap;
}
.reg-glass {
  flex: none;
  width: 10px;
  height: 10px;
  border: 2px solid var(--text-3);
  border-radius: 50%;
}
.reg-scan-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.reg-scan .reg-key {
  margin-left: auto;
}
.reg-key {
  display: inline-block;
  padding: 0 var(--sp-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  color: var(--text-2);
  font-size: var(--fs-micro);
  line-height: 1.4;
}
.reg-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 2px var(--sp-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  white-space: nowrap;
}
.reg-chip-ok::before,
.reg-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}
.reg-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: 600;
}
.reg-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
@container (min-width: 520px) {
  .reg-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.52fr);
  }
}
.reg-lines {
  padding: var(--sp-3);
}
.reg-added {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-m);
  background: var(--success-soft);
  color: var(--success-text);
  font-weight: 600;
}
.reg-added::before {
  content: "";
  width: 8px;
  height: 4px;
  margin-top: -2px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}
.reg-row {
  display: grid;
  grid-template-columns: var(--sp-5) minmax(0, 1fr) auto;
  gap: var(--sp-2);
  align-items: center;
  min-height: var(--sp-8);
  padding: 0 var(--sp-2);
  border-bottom: 1px solid var(--border);
}
.reg-row > span:nth-child(3),
.reg-row > span:nth-child(4) {
  display: none;
}
.reg-row > span:nth-child(1) {
  color: var(--text-3);
}
.reg-row > span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.reg-row > span:nth-child(n + 3) {
  text-align: right;
}
@container (min-width: 520px) {
  .reg-row {
    grid-template-columns: var(--sp-5) minmax(0, 1fr) var(--sp-10) var(--sp-9) var(--sp-9);
  }
  .reg-row > span:nth-child(3),
  .reg-row > span:nth-child(4) {
    display: block;
  }
}
.reg-row em {
  margin-left: var(--sp-1);
  padding: 0 var(--sp-1);
  border-radius: var(--radius-s);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-style: normal;
  font-weight: 400;
}
.reg-head {
  min-height: var(--sp-7);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.reg-head > span:nth-child(2) {
  font-weight: 400;
}
.reg-selected {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}
.reg-selected > span:nth-child(1) {
  color: var(--text-2);
}
.reg-side {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-top: 1px solid var(--border);
}
@container (min-width: 520px) {
  .reg-side {
    border-top: 0;
    border-left: 1px solid var(--border);
  }
}
.reg-sum {
  display: flex;
  justify-content: space-between;
  margin: 0;
  color: var(--text-2);
}
.reg-due {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin: var(--sp-1) 0;
  padding: var(--sp-3);
  border-radius: var(--radius-m);
  background: var(--surface-2);
}
.reg-due > span {
  color: var(--text-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.reg-due b {
  font-size: clamp(var(--fs-title), 6cqi, var(--fs-display));
  white-space: nowrap;
  line-height: 1;
  letter-spacing: -0.02em;
}
.reg-due sup {
  font-size: 0.5em;
  vertical-align: 0.6em;
}
.reg-tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2);
}
.reg-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: var(--sp-10);
  padding: var(--sp-6) var(--sp-2) var(--sp-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
}
.reg-tile .reg-key {
  position: absolute;
  top: var(--sp-1);
  right: var(--sp-1);
}
.reg-cash {
  border-color: var(--success-fill);
  background: var(--success-fill);
  color: var(--success-on);
}
.reg-cash small,
.reg-cash .reg-key {
  color: var(--success-on);
  border-color: var(--success-on);
}
.reg-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1) var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
}
.reg-dot {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}
.reg-time {
  margin-left: auto;
}
@container (max-width: 619px) {
  .reg-row em {
    display: none;
  }
}
@container (max-width: 679px) {
  .reg-chip-shift,
  .reg-status > span:nth-child(4) {
    display: none;
  }
}
@container (max-width: 519px) {
  .reg-chip,
  .reg-app small,
  .reg-scan .reg-key,
  .reg-status > span:nth-child(2) {
    display: none;
  }
}

/* The register's contents load in: the frame stays, the header comes down,
   the lines slide in, the totals and tiles resolve, the status bar last. */
@media (prefers-reduced-motion: no-preference) {
  .reg-top > *,
  .reg-head,
  .reg-row,
  .reg-added,
  .reg-sum,
  .reg-due,
  .reg-tile,
  .reg-status > * {
    animation: reg-up var(--dur-reveal) var(--ease-entrance) both;
  }
  .reg-top > * {
    animation-name: reg-down;
  }
  .reg-row {
    animation-name: reg-left;
  }
  .reg-due,
  .reg-tile {
    animation-name: reg-pop;
  }
  .reg-top > :nth-child(1) {
    animation-delay: 100ms;
  }
  .reg-top > :nth-child(2) {
    animation-delay: 160ms;
  }
  .reg-top > :nth-child(3) {
    animation-delay: 220ms;
  }
  .reg-top > :nth-child(4) {
    animation-delay: 260ms;
  }
  .reg-top > :nth-child(5) {
    animation-delay: 300ms;
  }
  .reg-head {
    animation-delay: 360ms;
  }
  .reg-row:nth-of-type(3) {
    animation-delay: 440ms;
  }
  .reg-row:nth-of-type(4) {
    animation-delay: 520ms;
  }
  .reg-row:nth-of-type(5) {
    animation-delay: 600ms;
  }
  .reg-row:nth-of-type(6) {
    animation-delay: 680ms;
  }
  .reg-added {
    animation-delay: 820ms;
  }
  .reg-sum:nth-child(1) {
    animation-delay: 560ms;
  }
  .reg-sum:nth-child(2) {
    animation-delay: 620ms;
  }
  .reg-sum:nth-child(3) {
    animation-delay: 680ms;
  }
  .reg-due {
    animation-delay: 780ms;
  }
  .reg-tile:nth-child(1) {
    animation-delay: 880ms;
  }
  .reg-tile:nth-child(2) {
    animation-delay: 940ms;
  }
  .reg-tile:nth-child(3) {
    animation-delay: 1000ms;
  }
  .reg-tile:nth-child(4) {
    animation-delay: 1060ms;
  }
  .reg-status > * {
    animation-delay: 1140ms;
  }
  .reg-status > :nth-child(n + 3) {
    animation-delay: 1220ms;
  }
}
@keyframes reg-up {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
  }
}
@keyframes reg-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
    filter: blur(4px);
  }
}
@keyframes reg-left {
  from {
    opacity: 0;
    transform: translateX(-10px);
    filter: blur(4px);
  }
}
@keyframes reg-pop {
  from {
    opacity: 0;
    transform: scale(0.88);
    filter: blur(4px);
  }
}

/* The register's story (motion.js toggles the classes on .reg): one more
   item scanned, paid by card, the receipt printed, the next sale back at
   rest. Every value it changes has its second value in place already
   (.reg-swap), and every panel it opens lies over the screen, so no box
   moves. Without the script, or with reduced motion, it stays at rest. */
.reg-swap {
  display: inline-grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 100%;
}
.reg-swap > * {
  grid-area: 1 / 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition:
    opacity var(--dur-slow) var(--ease-entrance),
    transform var(--dur-slow) var(--ease-entrance);
}
.reg-swap > :last-child {
  opacity: 0;
  transform: translateY(0.4em);
}
.reg-scan-text.reg-swap {
  display: grid;
}
.reg.is-scan .reg-swap[data-on="scan"] > :first-child,
.reg.is-added .reg-swap[data-on="added"] > :first-child,
.reg.is-approved .reg-swap[data-on="approved"] > :first-child,
.reg.is-print .reg-swap[data-on="print"] > :first-child {
  opacity: 0;
  transform: translateY(-0.4em);
}
.reg.is-scan .reg-swap[data-on="scan"] > :last-child,
.reg.is-added .reg-swap[data-on="added"] > :last-child,
.reg.is-approved .reg-swap[data-on="approved"] > :last-child,
.reg.is-print .reg-swap[data-on="print"] > :last-child {
  opacity: 1;
  transform: none;
}
.reg-scan {
  transition: box-shadow var(--dur-base) var(--ease);
}
.reg.is-scan .reg-scan {
  box-shadow: 0 0 0 3px var(--accent-soft);
  color: var(--text);
}
.reg-selected {
  position: relative;
}
.reg-selected::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  opacity: 0;
  pointer-events: none;
}
.reg.is-added .reg-selected::after {
  animation: reg-flash var(--dur-reveal) var(--ease-entrance);
}
@keyframes reg-flash {
  30% {
    opacity: 0.18;
  }
}
.reg-card {
  transition:
    transform var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    background-color var(--dur-base) var(--ease);
}
.reg.is-press .reg-card {
  transform: scale(0.96);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.reg-tiles {
  position: relative;
}
.reg-pay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border: 1px solid var(--accent);
  border-radius: var(--radius-m);
  background: var(--surface);
  color: var(--text);
  text-align: center;
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity var(--dur-slow) var(--ease-entrance),
    transform var(--dur-slow) var(--ease-entrance),
    background-color var(--dur-slow) var(--ease),
    border-color var(--dur-slow) var(--ease);
}
.reg-pay > .reg-swap {
  color: var(--text-2);
}
.reg.is-paying .reg-pay {
  opacity: 1;
  transform: none;
}
.reg.is-approved .reg-pay {
  border-color: var(--success-fill);
  /* success-soft is see-through in the dark theme: over the surface, so the
     tiles under the panel stay hidden. */
  background: linear-gradient(var(--success-soft), var(--success-soft)), var(--surface);
}
.reg.is-approved .reg-pay,
.reg.is-approved .reg-pay > .reg-swap {
  color: var(--success-text);
}
/* A card with a ring that keeps reaching out while the terminal waits,
   a check once it approves. */
.reg-pay-icon {
  position: relative;
  width: 28px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: var(--radius-s);
}
.reg-pay-icon::after {
  content: "";
  position: absolute;
  inset: -6px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-m);
  opacity: 0;
}
.reg.is-paying:not(.is-approved) .reg-pay-icon::after {
  animation: reg-ring 1200ms var(--ease-entrance) infinite;
}
@keyframes reg-ring {
  from {
    opacity: 0.8;
    transform: scale(0.8);
  }
  to {
    opacity: 0;
    transform: scale(1.3);
  }
}
.reg.is-approved .reg-pay-icon {
  border-color: transparent;
}
.reg.is-approved .reg-pay-icon::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 12px;
  height: 6px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}
/* The receipt feeds out of the printer at the printer's own even pace. */
.reg-side {
  position: relative;
  overflow: hidden;
}
.reg-slip {
  position: absolute;
  right: var(--sp-3);
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: min(var(--sp-11) + var(--sp-10), 72%);
  padding: var(--sp-3);
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: var(--radius-s) var(--radius-s) 0 0;
  background: var(--surface);
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translateY(102%);
  transition:
    transform 1600ms linear,
    opacity var(--dur-slow) var(--ease);
}
.reg.is-print .reg-slip {
  opacity: 1;
  transform: none;
}
.reg-slip-rule {
  margin: var(--sp-1) 0;
  border-top: 1px dashed var(--border-strong);
}
.reg-slip-total {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}
.reg-slip-code {
  height: var(--sp-5);
  margin: var(--sp-1) 0;
  background: repeating-linear-gradient(
    90deg,
    var(--text) 0 2px,
    transparent 2px 3px,
    var(--text) 3px 4px,
    transparent 4px 7px
  );
}
/* The next customer: the sale fades out together and comes back at rest
   line by line. */
.reg.is-live .reg-row:not(.reg-head),
.reg.is-live .reg-added,
.reg.is-live .reg-sum,
.reg.is-live .reg-due {
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.reg.is-clearing .reg-row:not(.reg-head),
.reg.is-clearing .reg-added,
.reg.is-clearing .reg-sum,
.reg.is-clearing .reg-due,
.reg.is-clearing .reg-pay,
.reg.is-clearing .reg-slip {
  opacity: 0;
}
.reg.is-clearing .reg-row:not(.reg-head),
.reg.is-clearing .reg-added,
.reg.is-clearing .reg-sum,
.reg.is-clearing .reg-due {
  transform: translateY(4px);
}
.reg.is-live:not(.is-clearing) .reg-row:nth-child(4),
.reg.is-live:not(.is-clearing) .reg-sum:nth-child(2) {
  transition-delay: 80ms;
}
.reg.is-live:not(.is-clearing) .reg-row:nth-child(5),
.reg.is-live:not(.is-clearing) .reg-sum:nth-child(3) {
  transition-delay: 160ms;
}
.reg.is-live:not(.is-clearing) .reg-row:nth-child(6),
.reg.is-live:not(.is-clearing) .reg-due {
  transition-delay: 240ms;
}
.reg.is-live:not(.is-clearing) .reg-added {
  transition-delay: 320ms;
}
/* Once the story runs, the load intro is done and lets the story's
   transitions through. */
.reg.is-live .reg-top > *,
.reg.is-live .reg-head,
.reg.is-live .reg-row,
.reg.is-live .reg-added,
.reg.is-live .reg-sum,
.reg.is-live .reg-due,
.reg.is-live .reg-tile,
.reg.is-live .reg-status > * {
  animation: none;
}

/* Facts under the hero. */
.fact-strip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 900px) {
  .facts-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.fact {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin: 0;
  padding: var(--sp-7) var(--sp-4) var(--sp-7) 0;
}
.fact + .fact {
  padding-left: var(--sp-5);
  border-left: 1px solid var(--border);
}
@media (max-width: 899px) {
  .fact:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }
  .fact:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }
}
.fact b {
  color: var(--accent);
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}
.fact span {
  color: var(--text-2);
  font-size: var(--fs-small);
  text-wrap: pretty;
}

/* Sections. */
.section-band,
.section-plain {
  padding: var(--sp-10) 0;
}
.section-plain {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 1024px) {
  .section-band,
  .section-plain {
    padding: var(--sp-11) 0;
  }
}
.section-head {
  max-width: 46rem;
  margin-bottom: var(--sp-9);
}
.section-head h2,
.final h2 {
  margin: 0;
  font-size: var(--fs-section);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* What it does: six cards, each a visual over its words. */
.bento {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 760px) {
  .bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bento-wide,
  .bento-full {
    grid-column: 1 / -1;
  }
}
@media (min-width: 1024px) {
  .bento {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .bento-wide {
    grid-column: span 2;
  }
}
.bento-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-1);
}
.bento-visual {
  position: relative;
  flex: 1;
  display: grid;
  place-items: center;
  min-height: calc(var(--sp-10) * 3.5);
  padding: var(--sp-5);
  overflow: hidden;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: var(--fs-micro);
}
.bento-text {
  padding: var(--sp-6);
}
.bento-text h3 {
  margin-bottom: var(--sp-2);
  font-size: var(--fs-lead);
}
.bento-text p {
  margin: 0;
  color: var(--text-2);
  text-wrap: pretty;
}
@media (min-width: 1024px) {
  .bento-full {
    flex-direction: row;
  }
  .bento-full .bento-visual {
    flex: 1.15;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
  .bento-full .bento-text {
    flex: 1;
    align-self: center;
    padding: var(--sp-8);
  }
}
.bento-source {
  margin: var(--sp-4) 0 0;
  color: var(--text-3);
  font-size: var(--fs-small);
}

/* Visual parts shared by the cards. */
.v-pill,
.v-badge,
.v-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 2px var(--sp-2);
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}

/* Offline: register and server, the link between them, the queue. */
.v-offline {
  display: grid;
  grid-template-columns: auto minmax(var(--sp-9), 1fr) auto;
  gap: var(--sp-4) var(--sp-3);
  align-items: center;
  width: 100%;
  max-width: 30rem;
}
.v-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  min-width: calc(var(--sp-11) + var(--sp-2));
  padding: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  color: var(--text-2);
  font-weight: 600;
  text-align: center;
}
.v-icon {
  width: var(--sp-7);
  height: var(--sp-6);
  border-radius: var(--radius-s);
  border: 2px solid var(--accent);
  background: var(--accent-soft);
}
.v-icon-server {
  height: var(--sp-7);
  width: var(--sp-6);
  box-shadow:
    inset 0 7px 0 var(--accent-soft),
    inset 0 9px 0 var(--accent),
    inset 0 16px 0 var(--accent-soft),
    inset 0 18px 0 var(--accent);
}
.v-link {
  position: relative;
  height: 2px;
  background: var(--border-strong);
  transition: opacity var(--dur-slow) var(--ease);
}
.v-pulse {
  position: absolute;
  top: -3px;
  left: 0;
  width: var(--sp-2);
  height: var(--sp-2);
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
}
.v-cut {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--sp-5);
  height: var(--sp-5);
  margin: calc(var(--sp-5) / -2) 0 0 calc(var(--sp-5) / -2);
  border-radius: 50%;
  background: var(--danger-fill);
  box-shadow: 0 0 0 3px var(--surface-2);
  opacity: 0;
  transform: scale(0.82);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.v-cut::before,
.v-cut::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 25%;
  width: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--danger-on);
  transform: rotate(45deg);
}
.v-cut::after {
  transform: rotate(-45deg);
}
.v-status {
  grid-column: 1 / -1;
  display: grid;
  justify-items: center;
}
.v-status > * {
  grid-area: 1 / 1;
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.v-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.v-pill-on {
  background: var(--success-soft);
  color: var(--success-text);
}
.v-pill-off {
  background: var(--danger-soft);
  color: var(--danger-text);
  opacity: 0;
  transform: translateY(4px);
}
.v-queue {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  color: var(--text-2);
}
.v-queue-label {
  margin-right: var(--sp-1);
}
.v-slot {
  position: relative;
  width: var(--sp-6);
  height: var(--sp-7);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-s);
}
.v-slot::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-s);
  background: var(--surface);
  border: 1px solid var(--accent);
  box-shadow:
    inset 0 8px 0 var(--surface),
    inset 0 10px 0 var(--accent-soft),
    inset 0 15px 0 var(--surface),
    inset 0 17px 0 var(--accent-soft);
  opacity: 0;
  transform: translateY(-10px) scale(0.88);
  filter: blur(4px);
  transition:
    opacity var(--dur-reveal) var(--ease-entrance),
    transform var(--dur-reveal) var(--ease-entrance),
    filter var(--dur-reveal) var(--ease-entrance);
}
.v-queue-count {
  min-width: var(--sp-5);
  color: var(--text);
  font-size: var(--fs-small);
  font-weight: 600;
  text-align: right;
}
.v-offline[data-net="off"] .v-link {
  opacity: 0.4;
}
.v-offline[data-net="off"] .v-cut {
  opacity: 1;
  transform: none;
}
.v-offline[data-net="off"] .v-pill-on {
  opacity: 0;
  transform: translateY(-4px);
}
.v-offline[data-net="off"] .v-pill-off {
  opacity: 1;
  transform: none;
}
.v-offline[data-queue="1"] .v-slot:nth-of-type(2)::after,
.v-offline[data-queue="2"] .v-slot:nth-of-type(-n + 3)::after,
.v-offline[data-queue="3"] .v-slot:nth-of-type(-n + 4)::after {
  opacity: 1;
  transform: none;
  filter: none;
}
.v-offline[data-sending] .v-pulse {
  animation: v-travel 900ms var(--ease-in-out) infinite;
}
.v-offline[data-sending] .v-pulse + .v-pulse {
  animation-delay: 450ms;
}
@keyframes v-travel {
  0% {
    opacity: 0;
    transform: translateX(0);
  }
  15%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(calc(var(--link-w, 80px) - var(--sp-2)));
  }
}

/* Fees: three bars filling like progress, ours a sliver. */
.v-fees {
  display: grid;
  gap: var(--sp-3);
  width: 100%;
  max-width: 22rem;
}
.v-fee {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-1) var(--sp-3);
  align-items: baseline;
}
.v-fee-name {
  font-weight: 600;
  white-space: nowrap;
}
.v-fee-rate {
  grid-row: 1;
  grid-column: 2;
  color: var(--text-2);
  text-align: right;
}
.v-bar {
  grid-row: 2;
  grid-column: 1 / -1;
  height: var(--sp-2);
  border-radius: 999px;
  background: var(--surface-3);
  overflow: hidden;
}
.v-bar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--text-3);
  transform-origin: left center;
  transition: transform 900ms var(--ease-in-out);
}
.v-w70 {
  transform: scaleX(0.7);
}
.v-w100 {
  transform: scaleX(1);
}
.v-w0 {
  transform: scaleX(0.02);
}
.v-fee-ours .v-fee-name,
.v-fee-ours .v-fee-rate {
  color: var(--accent-text);
}
.v-fee-ours .v-bar > span {
  background: var(--accent);
}
.v-fee:nth-child(2) .v-bar > span {
  transition-delay: 160ms;
}
.v-fee:nth-child(3) .v-bar > span {
  transition-delay: 320ms;
}
.v-fees[data-step="reset"] .v-bar > span {
  transform: scaleX(0);
  transition-duration: var(--dur-slow);
  transition-delay: 0ms;
}
.v-share {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: var(--sp-1) 0 0;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-m);
  background: var(--accent-soft);
  color: var(--text);
}
.v-share b {
  color: var(--accent-text);
  font-size: var(--fs-lead);
  transition: transform var(--dur-slow) var(--ease-entrance);
}
.v-fees[data-step="beat"] .v-share b {
  transform: scale(1.2);
}

/* Chain: the hub sends a price change to three stores. */
.v-chain {
  position: relative;
  width: 300px;
  max-width: 100%;
  height: 168px;
}
.v-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.v-lines path {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 2;
  stroke-dasharray: 4 4;
  vector-effect: non-scaling-stroke;
}
.v-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  font-weight: 600;
  white-space: nowrap;
  transform: translate(-50%, -50%);
}
.v-hub {
  top: 42%;
  left: 20%;
  padding: var(--sp-2) var(--sp-3);
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-on);
}
.v-store {
  left: 55%;
  transform: translate(0, -50%);
}
.v-store-1 {
  top: 14%;
}
.v-store-2 {
  top: 50%;
}
.v-store-3 {
  top: 86%;
}
.v-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  transition:
    background var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease-entrance);
}
.v-chain[data-step="send"] .v-dot {
  background: var(--border-strong);
}
.v-chain .v-store.is-lit .v-dot {
  background: var(--success);
  transform: scale(1.6);
}
.v-packet {
  position: absolute;
  top: 42%;
  left: 20%;
  width: var(--sp-2);
  height: var(--sp-2);
  margin: calc(var(--sp-2) / -2) 0 0 calc(var(--sp-2) / -2);
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
}
.v-chain[data-step="send"] .v-packet {
  animation: v-packet-1 1100ms var(--ease-in-out) both;
}
.v-chain[data-step="send"] .v-packet-2 {
  animation-name: v-packet-2;
  animation-delay: 160ms;
}
.v-chain[data-step="send"] .v-packet-3 {
  animation-name: v-packet-3;
  animation-delay: 320ms;
}
@keyframes v-packet-1 {
  10%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(102px, -47px);
  }
}
@keyframes v-packet-2 {
  10%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(102px, 13px);
  }
}
@keyframes v-packet-3 {
  10%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(102px, 74px);
  }
}
.v-chip {
  position: absolute;
  top: 42%;
  left: 0;
  margin-top: var(--sp-8);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-weight: 400;
}
.v-chip-state {
  color: var(--success-text);
  font-weight: 600;
  transition: opacity var(--dur-slow) var(--ease);
}
.v-chain[data-step="send"] .v-chip-state {
  opacity: 0;
}

/* Scale: the reading climbs, settles and turns steady. */
.v-scale {
  display: grid;
  gap: var(--sp-2);
  width: 100%;
  max-width: 17rem;
  padding: var(--sp-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}
.v-scale p {
  margin: 0;
}
.v-scale-item {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}
.v-scale-item span {
  color: var(--text-2);
  font-weight: 400;
}
.v-readout {
  color: var(--text-2);
  font-size: var(--fs-lead);
}
.v-weight {
  color: var(--text);
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.v-scale-foot {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
}
.v-scale-foot .v-badge {
  grid-area: 1 / 1;
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease-entrance);
}
.v-badge-steady {
  background: var(--success-soft);
  color: var(--success-text);
}
.v-badge-weighing {
  background: var(--warning-soft);
  color: var(--warning-text);
  opacity: 0;
  transform: scale(0.88);
}
.v-total {
  justify-self: end;
  font-size: var(--fs-lead);
  transition: opacity var(--dur-slow) var(--ease);
}
.v-scale[data-step="weighing"] .v-badge-steady {
  opacity: 0;
  transform: scale(0.88);
}
.v-scale[data-step="weighing"] .v-badge-weighing {
  opacity: 1;
  transform: none;
}
.v-scale[data-step="weighing"] .v-total {
  opacity: 0.3;
}

/* Restaurant: a floor of six tables changing state. */
.v-floor {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
  width: 100%;
  max-width: 20rem;
}
.v-table {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: var(--sp-10);
  padding: var(--sp-2);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-m);
  transition:
    background var(--dur-slow) var(--ease),
    border-color var(--dur-slow) var(--ease);
}
.v-table b {
  font-weight: 600;
}
.v-state {
  display: none;
  color: var(--text-2);
}
.v-table[data-state="free"] .v-free,
.v-table[data-state="open"] .v-open,
.v-table[data-state="billed"] .v-billed {
  display: block;
}
.v-table[data-state="open"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.v-table[data-state="open"] .v-open {
  color: var(--accent-text);
  font-weight: 600;
}
.v-table[data-state="billed"] {
  border-color: var(--info);
  background: var(--info-soft);
}
.v-table[data-state="billed"] .v-billed {
  color: var(--info-text);
  font-weight: 600;
}
.v-bell {
  position: absolute;
  top: calc(var(--sp-2) * -1);
  right: calc(var(--sp-1) * -1);
  padding: 0 var(--sp-1);
  border-radius: 999px;
  background: var(--warning-soft);
  color: var(--warning-text);
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: scale(0.82);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease-entrance);
}
.v-table[data-bell] .v-bell {
  opacity: 1;
  transform: none;
}

/* Assistant: the prompt is typed, the proposal appears, a person approves. */
.v-assistant {
  display: grid;
  gap: var(--sp-3);
  width: 100%;
  max-width: 28rem;
}
.v-assistant p {
  margin: 0;
}
.v-prompt {
  min-height: calc(var(--sp-9) + var(--sp-1));
  padding: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-m);
  font-size: var(--fs-small);
}
.v-caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 1px;
  vertical-align: -0.15em;
  background: var(--accent);
  opacity: 0;
}
.v-assistant[data-step="typing"] .v-caret {
  opacity: 1;
}
.v-proposal {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  transition:
    opacity var(--dur-reveal) var(--ease-entrance),
    transform var(--dur-reveal) var(--ease-entrance),
    filter var(--dur-reveal) var(--ease-entrance);
}
.v-proposal-head {
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.v-proposal-line {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: var(--fs-small);
}
.v-proposal-line span {
  flex: 1;
  font-weight: 600;
}
.v-proposal-line s {
  color: var(--text-3);
}
.v-proposal-line b {
  color: var(--success-text);
}
.v-proposal-foot {
  display: grid;
  justify-items: end;
}
.v-proposal-foot > * {
  grid-area: 1 / 1;
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease-entrance),
    background var(--dur-fast) var(--ease);
}
.v-approve {
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-s);
  background: var(--accent);
  color: var(--accent-on);
  font-weight: 600;
  opacity: 0;
}
.v-approved {
  padding: 2px var(--sp-2);
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success-text);
  font-weight: 600;
}
.v-assistant[data-step="typing"] .v-proposal {
  opacity: 0;
  transform: translateY(10px);
  filter: blur(4px);
}
.v-assistant[data-step="typing"] .v-approved,
.v-assistant[data-step="propose"] .v-approved,
.v-assistant[data-step="press"] .v-approved {
  opacity: 0;
  transform: scale(0.88);
}
.v-assistant[data-step="propose"] .v-approve,
.v-assistant[data-step="press"] .v-approve {
  opacity: 1;
}
.v-assistant[data-step="press"] .v-approve {
  background: var(--accent-active);
  transform: scale(0.96);
}

/* Who it is for: four cards, a screen over its words. */
.scenarios {
  display: grid;
  gap: var(--sp-5);
}
@media (min-width: 760px) {
  .scenarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.scenario {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.scenario .shot {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: left top;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  box-shadow: none;
}
.scenario-text {
  padding: var(--sp-6);
}
.scenario-text h3 {
  margin-bottom: var(--sp-2);
  font-size: var(--fs-title);
}
.scenario-text p {
  margin: 0 0 var(--sp-3);
  color: var(--text-2);
  text-wrap: pretty;
}
.scenario-text p:last-child {
  margin-bottom: 0;
}

/* The tagline: display type, a word at a time coming to full color. */
.section-tagline {
  padding: var(--sp-11) 0;
}
.tagline {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(var(--fs-title), 8vw, var(--fs-display-l));
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.tagline-line {
  display: block;
  text-wrap: balance;
}
.tw {
  transition: color var(--dur-reveal) var(--ease-entrance);
}
.motion .tw:not(.on) {
  color: var(--text-3);
}

/* How to start: three numbered steps. */
.steps {
  display: grid;
  gap: var(--sp-7);
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.step h3 {
  margin: var(--sp-4) 0 var(--sp-2);
  font-size: var(--fs-lead);
}
.step p {
  margin: 0;
  color: var(--text-2);
  text-wrap: pretty;
}
.step-n {
  display: grid;
  place-items: center;
  width: var(--sp-8);
  height: var(--sp-8);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: var(--fs-lead);
  font-weight: 600;
}
.own-demo {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-10);
}
@media (min-width: 900px) {
  .own-demo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.own,
.demo {
  padding: var(--sp-6);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.own h3,
.demo h3 {
  font-size: var(--fs-title);
}
.own .checks {
  margin: 0;
}
.own .checks li:last-child {
  margin-bottom: 0;
}
.demo p:last-child {
  margin-bottom: 0;
}

/* Questions: the heading beside the list. */
.faq-grid {
  display: grid;
  gap: var(--sp-7);
}
.faq-grid .section-head {
  margin-bottom: 0;
}
@media (min-width: 900px) {
  .faq-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: var(--sp-10);
    align-items: start;
  }
  .faq-grid .section-head {
    position: sticky;
    top: calc(var(--header-h) + var(--sp-6));
  }
}
.faq {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(var(--tap-touch) + var(--sp-4));
  padding: var(--sp-3) var(--sp-8) var(--sp-3) 0;
  font-size: var(--fs-lead);
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::before,
.faq-item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: var(--sp-2);
  width: 14px;
  height: 2px;
  border-radius: 1px;
  background: var(--text-2);
  transition: transform var(--dur-slow) var(--ease);
}
.faq-item summary::after {
  transform: rotate(90deg);
}
.faq-item[open] summary::after {
  transform: rotate(0deg);
}
.faq-item summary:hover {
  color: var(--accent-text);
}
.faq-item p {
  max-width: 65ch;
  margin: 0;
  padding: 0 var(--sp-8) var(--sp-5) 0;
  color: var(--text-2);
  text-wrap: pretty;
}

/* The last call: the same action as the hero's, on the accent. */
.final {
  padding: var(--sp-10) 0;
  background: var(--accent);
  color: var(--accent-on);
}
.final-inner {
  display: grid;
  justify-items: start;
  gap: var(--sp-4);
}
.final p {
  max-width: 52ch;
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-lead);
}
.btn-inverse {
  background: var(--surface);
  color: var(--accent-text);
}
.btn-inverse:hover {
  background: var(--surface-2);
  color: var(--accent-text);
  text-decoration: none;
}
.final + .site-footer {
  border-top: 0;
}

/* Sections rise into view once (motion.js adds .motion to the page and
   .is-in to what reached the reading line). Without the script, and with
   reduced motion, everything simply shows. */
.motion .reveal,
.motion .reveal-card {
  opacity: 0;
  transform: translateY(var(--sp-7));
}
.motion .reveal-card {
  transform: translateY(var(--sp-6)) scale(0.985);
  filter: blur(6px);
}
.motion .reveal.is-in,
.motion .reveal-card.is-in {
  opacity: 1;
  transform: none;
  filter: none;
  transition:
    opacity var(--dur-reveal) var(--ease-entrance),
    transform var(--dur-reveal) var(--ease-entrance),
    filter var(--dur-reveal) var(--ease-entrance);
}
.motion .is-in.no-transition {
  transition: none;
}

pre.code {
  margin: 0 0 var(--sp-4);
  padding: var(--sp-4);
  max-width: 100%;
  overflow-x: auto;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
}
pre.code code {
  overflow-wrap: normal;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}
.chips-label {
  color: var(--text-2);
  font-size: var(--fs-small);
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--sp-3);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-2);
  font-size: var(--fs-small);
  text-decoration: none;
  background: var(--surface);
}
.chip:hover {
  color: var(--text);
  text-decoration: none;
}
.chip[aria-current] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
  font-weight: 600;
}
.chips-dense .chip {
  min-height: 28px;
  font-size: 13px;
}

/* Features */
.roles {
  display: grid;
  gap: var(--sp-7) var(--sp-8);
}
@media (min-width: 900px) {
  .roles {
    grid-template-columns: 1fr 1fr;
  }
}
.role {
  padding-top: var(--sp-5);
  border-top: 2px solid var(--accent);
}
.role-lead {
  color: var(--text-2);
}
.topics {
  display: grid;
  gap: var(--sp-6);
}
@media (min-width: 900px) {
  .topics {
    grid-template-columns: 1fr 1fr;
  }
}
.topic h2 {
  font-size: 18px;
}

/* Cards */
.cards {
  display: grid;
  gap: var(--sp-5);
}
@media (min-width: 760px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1000px) {
  .cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .cards-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}
.card {
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  min-width: 0;
}
.card h2 {
  font-size: 18px;
}
.card .links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-4);
}

/* Pricing */
.plans {
  display: grid;
  gap: var(--sp-5);
}
@media (min-width: 640px) {
  .plans {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1080px) {
  .plans {
    grid-template-columns: repeat(4, 1fr);
  }
}
.plan {
  display: flex;
  flex-direction: column;
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.plan-featured {
  border: 2px solid var(--accent);
}
.plan h2 {
  font-size: 18px;
  margin-bottom: var(--sp-2);
}
.price {
  margin: 0;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.price-unit {
  margin-bottom: var(--sp-1);
  color: var(--text-2);
  font-size: var(--fs-small);
}
.price-alt {
  color: var(--text-3);
  font-size: var(--fs-small);
}
.plan-cta {
  margin: auto 0 0;
  padding-top: var(--sp-3);
}
.yes {
  color: var(--success-text);
  font-weight: 600;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px var(--sp-2);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-estimate,
.badge-warn {
  background: var(--warning-soft);
  color: var(--warning-text);
}
.badge-ok {
  background: var(--success-soft);
  color: var(--success-text);
}
.badge-off {
  background: var(--danger-soft);
  color: var(--danger-text);
}
.notes p {
  color: var(--text-2);
  max-width: 80ch;
}

/* Tables */
.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-bottom: var(--sp-4);
  border-radius: var(--radius-m);
  /* A table wider than the window scrolls, and a shade at an edge says so:
     the two covers scroll with the table and hide the shades at its ends,
     the shades stay with the box. */
  background:
    linear-gradient(to right, var(--surface) 30%, transparent) left / 40px 100% no-repeat
      local,
    linear-gradient(to left, var(--surface) 30%, transparent) right / 40px 100% no-repeat
      local,
    radial-gradient(
        farthest-side at 0 50%,
        color-mix(in srgb, var(--text) 28%, transparent),
        transparent
      )
      left / 14px 100% no-repeat scroll,
    radial-gradient(
        farthest-side at 100% 50%,
        color-mix(in srgb, var(--text) 28%, transparent),
        transparent
      )
      right / 14px 100% no-repeat scroll,
    var(--surface);
}
.table-scroll > .table {
  background: transparent;
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
}
.table th,
.table td {
  padding: var(--sp-3);
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.table thead th {
  background: var(--surface-2);
  color: var(--text-2);
  font-size: var(--fs-small);
  font-weight: 600;
}
.table tbody th {
  font-weight: 600;
}
.table .num {
  text-align: right;
  white-space: nowrap;
}
/* A header wraps between words, so a column's heading never makes the
   table wider than its figures need (Russian at 390 px). */
.table thead th.num {
  white-space: normal;
}
.table-compact th,
.table-compact td {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-small);
}
.table tr.sum th,
.table tr.sum td {
  border-top: 2px solid var(--border-strong);
}
.modules td:nth-child(2) {
  min-width: 260px;
  color: var(--text-2);
}

/* Alerts */
.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  border-left-width: 4px;
  background: var(--surface);
}
.alert-info {
  background: var(--info-soft);
  border-color: var(--info);
}
.alert-warning {
  background: var(--warning-soft);
  border-color: var(--warning);
}
.alert-success {
  background: var(--success-soft);
  border-color: var(--success);
}

/* Forms */
fieldset {
  margin: 0 0 var(--sp-6);
  padding: 0;
  border: 0;
  min-width: 0;
}
legend {
  margin-bottom: var(--sp-3);
  padding: 0;
  font-weight: 600;
  font-size: 18px;
}
.field {
  margin-bottom: var(--sp-4);
}
.field label,
.label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text);
}
.field label.choice {
  display: flex;
  font-weight: 400;
  font-size: var(--fs-body);
}
input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--sp-2) var(--sp-3);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-m);
  font: 400 var(--fs-body) / 1.4 var(--font-ui);
}
textarea {
  font-family: var(--font-mono);
  font-size: 13px;
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}
.field-error input,
.field-error select,
input[aria-invalid="true"] {
  border-color: var(--danger);
}
.field-message {
  margin: 6px 0 0;
  color: var(--danger-text);
  font-size: var(--fs-small);
}
.hint {
  margin: 6px 0 0;
}
.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--sp-5);
}
.choices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.choice {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 44px;
  cursor: pointer;
}
.choice input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
}
.field-row {
  display: grid;
  gap: 0 var(--sp-4);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.field-row-3 {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}
.field-row > .field {
  display: flex;
  flex-direction: column;
}
.field-row > .field label {
  flex: 1;
}

/* Calculator */
.calc {
  display: grid;
  gap: var(--sp-7);
  align-items: start;
}
@media (min-width: 1024px) {
  .calc {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .calc-results {
    position: sticky;
    top: var(--sp-4);
  }
}
.calc-form {
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.results {
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-1);
}
.results-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}
.results-head h2 {
  margin: 0;
}
.results-table tr.ours th,
.results-table tr.ours td {
  background: var(--accent-soft);
}
/* text-3 reads 4.21:1 on accent-soft; a selected row's quiet text is text-2
   (design, "Filled controls"). */
.results-table tr.ours .muted {
  color: var(--text-2);
}
.results-table .total {
  font-weight: 600;
}
.savings {
  padding: 0;
  list-style: none;
}
.savings li {
  margin-bottom: var(--sp-2);
}
.savings .save {
  color: var(--success-text);
}
.savings .more {
  color: var(--text-2);
}
.plain {
  padding-left: var(--sp-5);
}
.plain li {
  margin-bottom: var(--sp-2);
}
.status-list li {
  color: var(--text-2);
}

/* Keys */
.facts {
  display: grid;
  gap: var(--sp-3) var(--sp-6);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.facts dt {
  color: var(--text-2);
  font-size: var(--fs-small);
}
.facts dd {
  margin: 0;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.keys {
  display: grid;
  gap: var(--sp-4);
  margin-bottom: var(--sp-7);
}
/* The organization id the keys are issued for, and its form. */
.org-id-card {
  margin-bottom: var(--sp-7);
}
.key-card {
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}
.key-card header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.key-card h3 {
  margin: 0;
}
.key-card details {
  margin-bottom: var(--sp-3);
}
.key-card summary {
  cursor: pointer;
  min-height: 32px;
  color: var(--accent);
}
.key-text {
  margin-top: var(--sp-2);
  word-break: break-all;
}
.key-forms .card h2 {
  font-size: var(--fs-title);
}

/* Downloads and references */
.hash {
  font-size: 12.5px;
  word-break: break-all;
  color: var(--text-2);
}
.artifacts td:first-child {
  min-width: 240px;
  overflow-wrap: anywhere;
}
.artifacts td:last-child {
  min-width: 280px;
}
.release {
  padding-bottom: var(--sp-5);
  margin-bottom: var(--sp-6);
  border-bottom: 1px solid var(--border);
}
.reference h2 {
  margin-top: var(--sp-7);
}
.tag h3 {
  margin-top: var(--sp-6);
  font-size: 18px;
}
.op {
  border-bottom: 1px solid var(--border);
}
.op summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2);
  padding: var(--sp-3) 0;
  cursor: pointer;
}
.op-summary {
  color: var(--text-2);
  font-size: var(--fs-small);
  flex-basis: 100%;
}
@media (min-width: 900px) {
  .op-summary {
    flex-basis: auto;
  }
}
.op-body {
  padding: 0 0 var(--sp-4) var(--sp-4);
  border-left: 2px solid var(--border);
}
.method {
  display: inline-block;
  min-width: 64px;
  padding: 1px var(--sp-2);
  border-radius: var(--radius-s);
  font: 600 12px/1.6 var(--font-mono);
  text-align: center;
  background: var(--surface-2);
  color: var(--text-2);
}
.method-get {
  background: var(--info-soft);
  color: var(--info-text);
}
.method-post {
  background: var(--success-soft);
  color: var(--success-text);
}
.method-put,
.method-patch {
  background: var(--warning-soft);
  color: var(--warning-text);
}
.method-delete {
  background: var(--danger-soft);
  color: var(--danger-text);
}
.path {
  word-break: break-all;
}
.req {
  color: var(--danger-text);
  font-size: 12px;
}
.schema {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
}
.type a {
  font-weight: 600;
}
.prose {
  max-width: 76ch;
}
.prose h2 {
  margin-top: var(--sp-6);
  font-size: 18px;
}

/* Footer: the brand beside four columns of links, the copyright and the
   language under a rule. */
.site-footer {
  padding: var(--sp-10) 0 var(--sp-7);
  background: var(--surface);
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: var(--fs-small);
}
.footer-top {
  display: grid;
  gap: var(--sp-9);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 900px) {
  .footer-top {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 3fr);
  }
}
.footer-about .brand {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-body);
}
.footer-about p {
  max-width: 34ch;
  margin: 0 0 var(--sp-3);
}
.footer-quiet {
  color: var(--text-3);
}
.footer-nav {
  display: grid;
  gap: var(--sp-7) var(--sp-5);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .footer-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.footer-title {
  margin: 0 0 var(--sp-2);
  color: var(--text);
  font-weight: 600;
}
.footer-col ul {
  display: grid;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-col a,
.footer-langs a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-desktop);
  color: var(--text-2);
  text-decoration: none;
}
.footer-col a:hover,
.footer-langs a:hover {
  color: var(--text);
  text-decoration: underline;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-6);
  margin-top: var(--sp-9);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  margin: 0;
}
.footer-langs {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.footer-langs [aria-current] {
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 600px) {
  .wrap {
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
  }
  .page-head {
    padding-top: var(--sp-6);
  }
  .card,
  .calc-form,
  .results,
  .plan {
    padding: var(--sp-4);
  }
  .actions .btn {
    flex: 1 1 100%;
  }
}

/* On a phone a reference table's row stacks: name and type, then the
   description, instead of columns a word wide. */
@media (max-width: 600px) {
  .reference .table-compact,
  .reference .table-compact tbody,
  .reference .table-compact tr,
  .reference .table-compact td {
    display: block;
  }
  .reference .table-compact thead {
    display: none;
  }
  .reference .table-compact tr {
    padding: var(--sp-2) var(--sp-3);
    border-bottom: 1px solid var(--border);
  }
  .reference .table-compact td {
    padding: 2px 0;
    border: 0;
  }
}

/* On a phone a wide table's row stacks, each value under its column's name,
   so nothing (an artifact's SHA-256, the calculator's total) hides behind a
   sideways scroll. */
@media (max-width: 600px) {
  .table-stack,
  .table-stack tbody,
  .table-stack tr,
  .table-stack th,
  .table-stack td {
    display: block;
  }
  .table-stack thead {
    display: none;
  }
  .table-stack tr {
    padding: var(--sp-3);
    border-bottom: 1px solid var(--border);
  }
  .table-stack th,
  .table-stack td,
  .table-stack td.num,
  .table-stack td:first-child,
  .table-stack td:last-child {
    min-width: 0;
    padding: 2px 0;
    border: 0;
    text-align: left;
  }
  .results-table tr.ours {
    background: var(--accent-soft);
  }
  .table-stack td[data-label]::before {
    content: attr(data-label) ": ";
    color: var(--text-3);
    font-size: var(--fs-small);
  }
}

/* After .btn, so the header's button really hides on a phone. */
@media (max-width: 959px) {
  .nav-main,
  .header-actions .header-cta,
  .header-actions .lang-switch {
    display: none;
  }
  .menu {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}