/* SNC Software landing page.
   Every colour, size, and spacing value comes from tokens.css.
   Mobile first. Breakpoints: 640px, 900px, 1180px. */

/* ---------- Fallback faces ----------
   Local Arial, resized to the web fonts' average character width, so lines
   break in the same places before and after Archivo and Plex Sans load. */

@font-face {
  font-family: "Archivo Fallback";
  src: local("Arial Bold"), local("Arial-BoldMT");
  font-weight: 700;
  size-adjust: 97.44%;
  ascent-override: 90.11%;
  descent-override: 21.55%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "Archivo Fallback";
  src: local("Arial Bold"), local("Arial-BoldMT");
  font-weight: 600;
  size-adjust: 94.14%;
  ascent-override: 93.26%;
  descent-override: 22.31%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "Plex Sans Fallback";
  src: local("Arial"), local("ArialMT");
  font-weight: 400;
  size-adjust: 101.21%;
  ascent-override: 101.28%;
  descent-override: 27.17%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "Plex Sans Fallback";
  src: local("Arial"), local("ArialMT");
  font-weight: 500;
  size-adjust: 103.35%;
  ascent-override: 99.18%;
  descent-override: 26.61%;
  line-gap-override: 0%;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + var(--space-5));
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  caret-color: var(--signal);
  accent-color: var(--signal);
  overflow-wrap: break-word;
}

[hidden] {
  display: none !important;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: var(--leading-snug);
  text-wrap: balance;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}

h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
}

p {
  text-wrap: pretty;
}

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

a {
  color: var(--signal);
  text-decoration-thickness: var(--rule);
  text-underline-offset: var(--space-1);
  transition: color var(--fast) var(--ease);
}

a:hover {
  color: var(--signal-deep);
}

::selection {
  background: var(--signal-tint);
  color: var(--ink);
}

/* Focus: a brass ring, edged in ink on light surfaces so it clears 3:1 against paper. */
:focus-visible,
.mode-options:has(:focus-visible),
.chip input:focus-visible + span {
  outline: var(--outline) solid var(--brass);
  outline-offset: var(--outline);
  box-shadow:
    0 0 0 var(--outline) var(--paper),
    0 0 0 calc(var(--outline) * 3) var(--ink);
}

/* On ink the brass ring has 7.4:1 by itself, so it stands alone. */
.contact-copy :focus-visible,
.site-footer :focus-visible,
.dash :focus-visible {
  box-shadow: none;
}

/* On the grey panel the gap takes the panel colour. */
.contact-card :focus-visible,
.section--band :focus-visible,
.mode-options:has(:focus-visible),
.chip input:focus-visible + span {
  box-shadow:
    0 0 0 var(--outline) var(--panel),
    0 0 0 calc(var(--outline) * 3) var(--ink);
}

.visually-hidden {
  position: absolute;
  width: var(--rule);
  height: var(--rule);
  margin: calc(var(--rule) * -1);
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 30;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-input);
  background: var(--ink);
  color: var(--paper);
  font-weight: 500;
  text-decoration: none;
  transform: translateY(calc(-100% - var(--space-4)));
}

.skip-link:focus-visible {
  color: var(--paper);
  transform: none;
}

.top-sentinel {
  position: absolute;
  top: 0;
  width: var(--rule);
  height: var(--rule);
}

/* ---------- Layout: a full width 12 column grid ---------- */

.wrap {
  width: min(var(--container), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: var(--space-6) var(--space-5);
}

/* One shared rhythm between major sections. */
.section {
  padding-block-start: var(--space-7);
}

/* Heading on the left, its one line of context on the right. */
.section-head {
  display: grid;
  gap: var(--space-3);
  margin-block-end: var(--space-5);
}

.section-head p,
.section-after {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.section-after {
  margin-block-start: var(--space-5);
}

.section-after a {
  font-weight: 500;
}

@media (min-width: 900px) {
  .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .section {
    padding-block-start: var(--space-8);
  }

  .section-head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--space-5);
    align-items: end;
    margin-block-end: var(--space-6);
  }

  .section-head h2 {
    grid-column: 1 / span 6;
  }

  .section-head p {
    grid-column: 8 / span 5;
    padding-block-end: var(--space-1);
  }
}

/* ---------- Buttons and links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-h);
  padding: var(--space-2) var(--space-5);
  border: 0;
  border-radius: var(--radius-input);
  background: var(--signal);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: var(--leading-snug);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--fast) var(--ease);
}

.btn:hover,
.btn:active {
  background: var(--signal-deep);
  color: var(--white);
}

.btn[disabled] {
  background: var(--muted);
  cursor: progress;
}

.btn--sm {
  min-height: var(--control-h-sm);
  padding-inline: var(--space-4);
  font-size: var(--text-sm);
}

.link-quiet {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-h-sm);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: var(--rule);
  text-underline-offset: var(--space-1);
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--signal);
  font: inherit;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: var(--rule);
  text-underline-offset: var(--space-1);
  cursor: pointer;
  transition: color var(--fast) var(--ease);
}

.link-button:hover {
  color: var(--signal-deep);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: var(--rule) solid transparent;
  transition: border-color var(--fast) var(--ease);
}

.site-header[data-scrolled] {
  border-bottom-color: var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-h-sm);
  margin-inline-end: auto;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  flex: none;
}

.site-nav,
.header-cta {
  display: none;
}

.site-nav ul {
  display: flex;
  gap: var(--space-6);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-h-sm);
  color: var(--ink);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current] {
  color: var(--signal);
}

.site-nav a[aria-current] {
  text-decoration: underline;
  text-decoration-thickness: var(--rule-strong);
  text-underline-offset: var(--space-2);
}

.menu-toggle {
  min-height: var(--control-h-sm);
  padding-inline: var(--space-4);
  border: var(--rule) solid var(--muted);
  border-radius: var(--radius-input);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--fast) var(--ease),
    color var(--fast) var(--ease);
}

/* Hover only where there is a real pointer, so the state cannot stick after a tap. */
@media (hover: hover) {
  .menu-toggle:hover {
    border-color: var(--signal);
    color: var(--signal);
  }
}

@media (min-width: 640px) {
  .header-cta {
    display: inline-flex;
  }
}

@media (min-width: 900px) {
  .site-nav {
    display: block;
  }

  .header-row > .menu-toggle {
    display: none;
  }
}

/* Without JavaScript the menu button cannot open anything, so show the links instead. */
@media (scripting: none) {
  .site-header {
    position: static;
    border-bottom-color: var(--line);
  }

  .header-row {
    flex-wrap: wrap;
    padding-block: var(--space-3);
  }

  .site-nav {
    display: block;
    order: 3;
    width: 100%;
  }

  .site-nav ul {
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
  }

  .header-row > .menu-toggle {
    display: none;
  }
}

@media (scripting: none) and (min-width: 900px) {
  .site-nav {
    order: 0;
    width: auto;
  }
}

/* ---------- Mobile menu: a full screen panel ---------- */

.menu {
  inline-size: 100%;
  block-size: 100dvh;
  max-inline-size: none;
  max-block-size: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-overlay);
  overflow-y: auto;
}

.menu[open] {
  display: flex;
  flex-direction: column;
}

.menu::backdrop {
  background: transparent;
}

.menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  flex: none;
}

.menu-links {
  border-top: var(--rule) solid var(--line);
}

.menu-links li {
  border-bottom: var(--rule) solid var(--line);
}

.menu-links a {
  display: block;
  padding-block: var(--space-5);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  text-decoration: none;
}

.menu-links a:hover {
  color: var(--signal);
}

.menu-foot {
  display: grid;
  margin-block-start: auto;
  padding-block: var(--space-6);
}

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

.hero {
  padding-block-start: var(--space-7);
}

.hero-copy {
  display: grid;
  gap: var(--space-5);
  align-content: start;
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}

.lead {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: var(--text-lg);
  line-height: var(--leading-lead);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  padding-block-start: var(--space-2);
}

.hero-artifact {
  min-width: 0;
}

.hero-artifact figcaption {
  max-width: var(--measure);
  margin-block-start: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

@media (min-width: 900px) {
  .hero {
    padding-block-start: var(--space-8);
  }

  .hero-grid {
    align-items: center;
  }

  .hero-copy {
    grid-column: 1 / span 6;
    gap: var(--space-6);
    padding-inline-end: var(--space-5);
  }

  .hero-artifact {
    grid-column: 7 / span 6;
  }
}

/* The demo: a small dashboard that does one real job with sample data. */

.dash {
  border-radius: var(--radius-panel);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.dash ::selection {
  background: var(--signal);
  color: var(--white);
}

.dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: calc(var(--control-h) + var(--space-4));
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--rule) solid var(--ink-line);
}

.dash-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.dash-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
}

/* Brass, so nobody mistakes the panel for a screenshot of a client's system. */
.dash-tag {
  padding-inline: var(--space-2);
  border-radius: var(--radius-input);
  background: var(--brass);
  color: var(--ink);
  font-size: var(--text-xs);
  font-weight: 500;
}

.run-btn {
  position: relative;
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-4);
  border: 0;
  border-radius: var(--radius-input);
  background: var(--signal);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--fast) var(--ease);
}

/* Grow the tap target to 44px without growing the button. */
.run-btn::after {
  content: "";
  position: absolute;
  inset: calc(var(--space-2) * -1);
}

.run-btn:hover {
  background: var(--signal-deep);
}

.run-btn[disabled] {
  background: var(--ink-line);
  color: var(--on-ink-soft);
  cursor: progress;
}

.dash-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: var(--rule) solid var(--ink-line);
}

.dash-stats > div {
  padding: var(--space-3) var(--space-4);
}

.dash-stats > div + div {
  border-inline-start: var(--rule) solid var(--ink-line);
}

.dash-stats dt {
  color: var(--on-ink-soft);
  font-size: var(--text-xs);
}

.dash-stats dd {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: var(--leading-snug);
  font-variant-numeric: tabular-nums;
}

.dash-progress {
  block-size: var(--space-1);
  background: var(--ink-line);
}

.dash-progress span {
  display: block;
  block-size: 100%;
  background: var(--signal-on-ink);
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  transition: transform var(--medium) var(--ease);
}

.dash-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.dash-table th,
.dash-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--rule) solid var(--ink-line);
  text-align: start;
}

.dash-table th {
  color: var(--on-ink-soft);
  font-size: var(--text-xs);
  font-weight: 500;
}

.dash-table .num {
  text-align: end;
}

.dash-table td:last-child,
.dash-table th:last-child {
  inline-size: calc(var(--space-10) - var(--space-4));
}

.dash-table .col-placed {
  display: none;
}

.dash-table tr {
  transition: background-color var(--fast) var(--ease);
}

.dash-table tr[data-state="posting"] {
  background: var(--ink-deep);
}

.pill {
  display: block;
  padding-inline: var(--space-2);
  border: var(--rule) solid var(--ink-line);
  border-radius: var(--radius-input);
  color: var(--on-ink-soft);
  font-size: var(--text-xs);
  text-align: center;
  transition:
    border-color var(--fast) var(--ease),
    color var(--fast) var(--ease);
}

.pill[data-state="posting"] {
  border-color: var(--on-ink-soft);
  color: var(--paper);
}

.pill[data-state="posted"] {
  border-color: var(--signal-on-ink);
  color: var(--signal-on-ink);
}

.dash-foot {
  padding: var(--space-3) var(--space-4);
  color: var(--on-ink-soft);
  font-size: var(--text-xs);
}

@media (min-width: 640px) {
  .dash-head,
  .dash-stats > div,
  .dash-table th,
  .dash-table td,
  .dash-foot {
    padding-inline: var(--space-5);
  }

  .dash-table .col-placed {
    display: table-cell;
  }
}

/* ---------- Four across strips: the constants under the hero, the maintenance plan ---------- */

.constants,
.plan {
  display: grid;
  border-block: var(--rule) solid var(--line);
}

.constants {
  margin-block-start: var(--space-7);
}

.plan {
  border-top-color: var(--ink);
}

.constants li,
.plan li {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  padding-block: var(--space-5);
}

.constants li + li,
.plan li + li {
  border-top: var(--rule) solid var(--line);
}

.constants h3,
.plan h3 {
  font-size: var(--text-base);
}

.constants p,
.plan p {
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

@media (min-width: 640px) and (max-width: 899px) {
  .constants,
  .plan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .constants li,
  .plan li {
    padding-inline: var(--space-5);
  }

  .constants li:nth-child(odd),
  .plan li:nth-child(odd) {
    padding-inline-start: 0;
    border-inline-end: var(--rule) solid var(--line);
  }

  .constants li:nth-child(even),
  .plan li:nth-child(even) {
    padding-inline-end: 0;
  }

  .constants li:nth-child(2),
  .plan li:nth-child(2) {
    border-top: 0;
  }
}

@media (min-width: 900px) {
  .constants,
  .plan {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .constants {
    margin-block-start: var(--space-8);
  }

  .constants li,
  .plan li {
    padding: var(--space-5);
  }

  .constants li:first-child,
  .plan li:first-child {
    padding-inline-start: 0;
  }

  .constants li:last-child,
  .plan li:last-child {
    padding-inline-end: 0;
  }

  .constants li + li,
  .plan li + li {
    border-top: 0;
    border-inline-start: var(--rule) solid var(--line);
  }
}

/* ---------- What changes: today against after, as a ledger ---------- */

.returns {
  border-top: var(--rule) solid var(--ink);
  border-bottom: var(--rule) solid var(--line);
}

.returns-head {
  display: none;
}

.return {
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-top: var(--rule) solid var(--line);
}

.returns-head + .return {
  border-top: 0;
}

.return-cell {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  color: var(--ink-soft);
}

.return-cell p {
  max-width: var(--measure);
}

.return-cell--after {
  color: var(--ink);
}

.return-label {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  font-weight: 500;
}

@media (min-width: 900px) {
  .returns-head,
  .return {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--space-5);
  }

  .returns-head {
    padding-block: var(--space-3);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 500;
  }

  .returns-head span:first-child {
    grid-column: 4 / span 4;
  }

  .returns-head span:last-child {
    grid-column: 8 / span 5;
  }

  .returns-head + .return {
    border-top: var(--rule) solid var(--line);
  }

  /* The column heads say it once; the per cell labels stay for screen readers. */
  .return-label {
    position: absolute;
    width: var(--rule);
    height: var(--rule);
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .return h3 {
    grid-column: 1 / span 3;
    padding-inline-end: var(--space-4);
  }

  .return-cell {
    grid-column: 4 / span 4;
  }

  .return-cell--after {
    grid-column: 8 / span 5;
  }
}

/* ---------- Who we build for: three columns ---------- */

.audience {
  display: grid;
  border-top: var(--rule) solid var(--ink);
  border-bottom: var(--rule) solid var(--line);
}

.audience li {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  padding-block: var(--space-5);
}

.audience li + li {
  border-top: var(--rule) solid var(--line);
}

.audience p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .audience {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .audience li {
    padding: var(--space-5) var(--space-6);
  }

  .audience li:first-child {
    padding-inline-start: 0;
  }

  .audience li:last-child {
    padding-inline-end: 0;
  }

  .audience li + li {
    border-top: 0;
    border-inline-start: var(--rule) solid var(--line);
  }
}

/* ---------- Services: a spec table, not six cards ---------- */

.services {
  border-bottom: var(--rule) solid var(--line);
}

.service {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: var(--rule) solid var(--line);
}

.service:first-child {
  border-top-color: var(--ink);
}

.service > p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.service-examples {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: var(--space-2);
}

.service-examples li {
  padding: var(--space-1) var(--space-3);
  border: var(--rule) solid var(--line);
  border-radius: var(--radius-input);
  color: var(--ink-soft);
  font-size: var(--text-xs);
}

/* The stack, set as one more row of the table so its lines stay a readable length. */
.stack-row {
  display: grid;
  gap: var(--space-2);
  padding-block-start: var(--space-5);
}

.stack-row h3 {
  font-size: var(--text-base);
}

.stack-row p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .service {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--space-5);
  }

  .stack-row {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--space-5);
  }

  .stack-row h3 {
    grid-column: 1 / span 3;
  }

  .stack-row p {
    grid-column: 4 / span 4;
  }

  .stack-row p + p {
    grid-column: 8 / span 5;
  }

  .service h3 {
    grid-column: 1 / span 3;
  }

  .service > p {
    grid-column: 4 / span 4;
  }

  .service-examples {
    grid-column: 8 / span 5;
    padding-block-start: var(--space-1);
  }
}

/* ---------- Process: a timeline on the page's one grey band ---------- */

.section--band {
  margin-block-start: var(--space-7);
  padding-block: var(--space-7);
  background: var(--panel);
}

.steps {
  display: grid;
  margin-inline-start: var(--space-2);
  border-inline-start: var(--rule) solid var(--muted);
}

.steps li {
  position: relative;
  display: grid;
  gap: var(--space-1);
  padding: 0 0 var(--space-6) var(--space-5);
}

.steps li:last-child {
  padding-block-end: 0;
}

/* A square tick on the line for every step. Build gets the brass one. */
.steps li::before {
  content: "";
  position: absolute;
  inset-block-start: var(--space-3);
  inset-inline-start: calc((var(--space-2) + var(--rule)) / -2 - var(--rule) / 2);
  inline-size: calc(var(--space-2) + var(--rule));
  block-size: calc(var(--space-2) + var(--rule));
  background: var(--ink);
}

.steps .step--build::before {
  inset-block-start: calc(var(--space-3) - var(--rule-strong));
  inset-inline-start: calc((var(--space-3) + var(--rule)) / -2 - var(--rule) / 2);
  inline-size: calc(var(--space-3) + var(--rule));
  block-size: calc(var(--space-3) + var(--rule));
  background: var(--brass);
}

.step-num {
  color: var(--muted);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: var(--leading-snug);
  font-variant-numeric: tabular-nums;
}

.step--build .step-num {
  color: var(--ink);
}

.steps h3 {
  font-size: var(--text-base);
}

.steps p {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.step-when {
  padding-block-start: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 900px) {
  .section--band {
    margin-block-start: var(--space-8);
    padding-block: var(--space-8);
  }

  .steps {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-inline-start: 0;
    border-inline-start: 0;
    border-top: var(--rule) solid var(--muted);
  }

  .steps li {
    grid-template-rows: auto auto 1fr auto;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-5) 0 0;
  }

  .steps li::before {
    inset-block-start: calc((var(--space-2) + var(--rule)) / -2 - var(--rule) / 2);
    inset-inline-start: 0;
  }

  .steps .step--build::before {
    inset-block-start: calc((var(--space-3) + var(--rule)) / -2 - var(--rule) / 2);
    inset-inline-start: 0;
  }

  .step-when {
    padding-block-start: var(--space-3);
  }
}

/* ---------- Work: what a preview link looks like ---------- */

.work {
  overflow-x: hidden;
  overflow-x: clip;
}

.work-copy {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.work-copy p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.preview {
  min-width: 0;
}

.preview figcaption {
  max-width: var(--measure);
  margin-block-start: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

@media (min-width: 900px) {
  .work-copy,
  .preview {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1180px) {
  .work-grid {
    align-items: center;
  }

  .work-copy {
    grid-column: 1 / span 4;
  }

  .preview {
    grid-column: 6 / -1;
  }

  /* Wider than its column on purpose: the frame always runs past the right edge and .work clips it. */
  .browser {
    inline-size: max(var(--frame-w), calc(100% + (100vw - var(--container)) / 2 + var(--space-5)));
  }
}

/* The preview illustration. Drawn, not a screenshot, and labelled as such. */

.browser {
  border: var(--rule) solid var(--line);
  border-radius: var(--radius-media);
  background: var(--white);
  overflow: hidden;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--control-h-sm);
  padding-inline: var(--space-4);
  border-bottom: var(--rule) solid var(--line);
  background: var(--panel);
}

.browser-dots {
  display: flex;
  flex: none;
  gap: var(--space-2);
}

.browser-dots i {
  inline-size: calc(var(--space-2) + var(--rule-strong));
  block-size: calc(var(--space-2) + var(--rule-strong));
  border: var(--rule) solid var(--muted);
  border-radius: 50%;
  background: var(--line);
}

.browser-url {
  flex: 0 1 calc(var(--space-10) * 3);
  min-width: 0;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-input);
  background: var(--white);
  color: var(--ink-soft);
  font-size: var(--text-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app {
  display: flex;
  font-size: var(--text-xs);
  line-height: var(--leading-snug);
}

.app-side {
  display: none;
  flex: none;
  flex-direction: column;
  gap: var(--space-1);
  inline-size: calc(var(--space-10) + var(--space-5));
  padding: var(--space-5) var(--space-3);
  border-inline-end: var(--rule) solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.app-side span {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-input);
}

.app-side .is-active {
  background: var(--signal-tint);
  color: var(--ink);
  font-weight: 500;
}

.app-main {
  display: grid;
  flex: 1 1 auto;
  min-width: 0;
  gap: var(--space-4);
  padding: var(--space-4);
}

.app-head {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.app-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
}

.app-sub {
  color: var(--ink-soft);
}

/* Ink, not teal: teal is reserved for things a visitor can actually press. */
.app-btn {
  display: inline-flex;
  align-items: center;
  min-height: var(--space-6);
  padding-inline: var(--space-4);
  border-radius: var(--radius-input);
  background: var(--ink);
  color: var(--paper);
  font-weight: 500;
}

/* Two days on a phone, three on a tablet, five from 900 up. Columns are fluid,
   so the frame never cuts a day in half below 1180. */
.cal {
  --cal-days: 2;
  --cal-gutter: var(--space-7);
  --cal-hour: var(--space-7);
  --cal-head: calc(var(--space-6) + var(--space-1));

  display: grid;
  grid-template-columns: var(--cal-gutter) repeat(var(--cal-days), minmax(0, 1fr));
  grid-template-rows: var(--cal-head) repeat(8, var(--cal-hour));
  background-image:
    linear-gradient(var(--panel) var(--rule), transparent var(--rule)),
    linear-gradient(90deg, var(--panel) var(--rule), transparent var(--rule));
  background-size:
    100% var(--cal-hour),
    calc((100% - var(--cal-gutter)) / var(--cal-days)) 100%;
  background-position:
    0 var(--cal-head),
    var(--cal-gutter) 0;
}

.cal .d3,
.cal .d4,
.cal .d5 {
  display: none;
}

.cal-day {
  grid-row: 1;
  padding: var(--space-2) var(--space-3);
  font-weight: 500;
}

.cal-day.is-today::after {
  content: "";
  display: inline-block;
  inline-size: calc(var(--space-2) - var(--rule));
  block-size: calc(var(--space-2) - var(--rule));
  margin-inline-start: var(--space-2);
  background: var(--ink);
}

.cal-hour {
  grid-column: 1;
  padding: var(--space-1) var(--space-2) 0 0;
  color: var(--ink-soft);
  text-align: end;
  font-variant-numeric: tabular-nums;
}

.d1 { grid-column: 2; }
.d2 { grid-column: 3; }
.d3 { grid-column: 4; }
.d4 { grid-column: 5; }
.d5 { grid-column: 6; }

.h8 { grid-row-start: 2; }
.h9 { grid-row-start: 3; }
.h10 { grid-row-start: 4; }
.h11 { grid-row-start: 5; }
.h12 { grid-row-start: 6; }
.h13 { grid-row-start: 7; }
.h14 { grid-row-start: 8; }
.h15 { grid-row-start: 9; }

.s2 { grid-row-end: span 2; }
.s3 { grid-row-end: span 3; }

.bk {
  margin: var(--space-1);
  padding: var(--space-2);
  border-radius: var(--radius-input);
  background: var(--signal-tint);
  font-weight: 500;
  overflow: hidden;
}

.bk span {
  display: block;
  color: var(--ink-soft);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.bk--off {
  background: var(--panel);
}

@media (min-width: 640px) {
  .app-side {
    display: flex;
  }

  .app-main {
    padding: var(--space-5);
  }

  .cal {
    --cal-days: 3;
    --cal-gutter: var(--space-8);
  }

  .cal .d3 {
    display: block;
  }
}

@media (min-width: 900px) {
  .cal {
    --cal-days: 5;
  }

  .cal .d4,
  .cal .d5 {
    display: block;
  }
}

/* ---------- Engagement models ---------- */

.models {
  display: grid;
  border: var(--rule) solid var(--line);
  border-radius: var(--radius-panel);
}

.model {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}

.model + .model {
  border-top: var(--rule) solid var(--line);
}

.model > p {
  color: var(--ink-soft);
}

.model .model-price {
  margin-block-start: auto;
  padding-block-start: var(--space-4);
  border-top: var(--rule) solid var(--line);
  color: var(--ink);
  font-size: var(--text-sm);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 900px) {
  .models {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .model {
    padding: var(--space-6);
  }

  .model + .model {
    border-top: 0;
    border-inline-start: var(--rule) solid var(--line);
  }
}

/* ---------- FAQ: heading on the left, questions on the right ---------- */

.faq {
  border-bottom: var(--rule) solid var(--line);
}

.faq details {
  border-top: var(--rule) solid var(--line);
}

.faq details:first-child {
  border-top-color: var(--ink);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-heading);
  list-style: none;
  cursor: pointer;
  transition: color var(--fast) var(--ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  color: var(--signal);
}

/* A plus that loses its upright when the row is open. Teal, because it acts. */
.faq summary::after {
  content: "";
  flex: none;
  inline-size: var(--space-4);
  block-size: var(--space-4);
  background:
    linear-gradient(var(--signal), var(--signal)) center / 100% var(--rule-strong) no-repeat,
    linear-gradient(var(--signal), var(--signal)) center / var(--rule-strong) 100% no-repeat;
  transition: background-size var(--fast) var(--ease);
}

.faq details[open] summary::after {
  background-size:
    100% var(--rule-strong),
    var(--rule-strong) 0;
}

.faq-body {
  display: grid;
  gap: var(--space-3);
  padding-block-end: var(--space-5);
}

.faq-body p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .faq-grid > h2 {
    grid-column: 1 / span 4;
  }

  .faq-grid > .faq {
    grid-column: 5 / -1;
  }
}

@supports (interpolate-size: allow-keywords) {
  :root {
    interpolate-size: allow-keywords;
  }

  .faq details::details-content {
    block-size: 0;
    overflow: clip;
    transition:
      block-size var(--medium) var(--ease),
      content-visibility var(--medium) allow-discrete;
  }

  .faq details[open]::details-content {
    block-size: auto;
  }
}

/* ---------- Contact: ink, with the footer directly under it ---------- */

.contact {
  margin-block-start: var(--space-7);
  padding-block: var(--space-7);
  background: var(--ink);
  color: var(--paper);
}

.contact ::selection,
.site-footer ::selection {
  background: var(--signal);
  color: var(--white);
}

.contact-copy {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.contact-copy p {
  max-width: var(--measure);
  color: var(--on-ink-soft);
}

.contact-unsure {
  display: grid;
  gap: var(--space-2);
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-5);
  border-top: var(--rule) solid var(--ink-line);
}

.contact-direct {
  display: grid;
  gap: var(--space-3);
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-5);
  border-top: var(--rule) solid var(--ink-line);
}

.contact-direct > div {
  display: grid;
  grid-template-columns: var(--space-9) minmax(0, 1fr);
  align-items: baseline;
  column-gap: var(--space-4);
}

.contact-direct dt {
  color: var(--on-ink-soft);
  font-size: var(--text-sm);
}

.contact-direct dd {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-snug);
  font-variant-numeric: tabular-nums;
}

/* Never teal on ink: links here are paper with an underline. */
.contact-direct a,
.footer-links a {
  color: var(--paper);
}

.contact-direct a:hover,
.footer-links a:hover {
  color: var(--white);
}

.contact-card {
  padding: var(--space-5);
  border-radius: var(--radius-panel);
  background: var(--panel);
  color: var(--ink);
  view-transition-name: contact-card;
}

.contact-card ::selection {
  background: var(--signal-tint);
  color: var(--ink);
}

@media (min-width: 640px) {
  .contact-card {
    padding: var(--space-6);
  }
}

@media (min-width: 900px) {
  .contact {
    margin-block-start: var(--space-8);
    padding-block: var(--space-8);
  }

  .contact-copy {
    grid-column: 1 / span 5;
    padding-inline-end: var(--space-5);
  }

  .contact-card {
    grid-column: 6 / -1;
  }
}

/* Form */

.form {
  display: grid;
  gap: var(--space-5);
}

.form[data-mode="sure"] .only-unsure,
.form[data-mode="unsure"] .only-sure {
  display: none;
}

.form-row {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.mode,
.checks {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field,
.mode,
.checks {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.field label,
.mode legend,
.checks legend {
  padding: 0;
  font-size: var(--text-sm);
  font-weight: 500;
}

.mode legend,
.checks legend {
  margin-block-end: var(--space-2);
}

.field-optional {
  margin-inline-start: var(--space-1);
  color: var(--ink-soft);
  font-size: var(--text-xs);
  font-weight: 400;
}

/* The two paths through the form, as one switch. */
.mode-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: var(--rule) solid var(--muted);
  border-radius: var(--radius-input);
  background: var(--white);
}

.mode-option,
.chip {
  position: relative;
  display: block;
}

.mode-option input,
.chip input {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.mode-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-h);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-snug);
  text-align: center;
  transition:
    background-color var(--fast) var(--ease),
    color var(--fast) var(--ease);
}

.mode-option + .mode-option span {
  border-inline-start: var(--rule) solid var(--muted);
}

.mode-option input:checked + span {
  background: var(--signal);
  color: var(--white);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip span {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-h-sm);
  padding: var(--space-2) var(--space-4);
  border: var(--rule) solid var(--muted);
  border-radius: var(--radius-input);
  background: var(--white);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  transition:
    background-color var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease);
}

.chip:hover span {
  border-color: var(--ink);
}

.chip input:checked + span {
  border-color: var(--signal);
  background: var(--signal-tint);
  box-shadow: inset 0 0 0 var(--rule) var(--signal);
}

.chip input:checked:focus-visible + span {
  box-shadow:
    inset 0 0 0 var(--rule) var(--signal),
    0 0 0 var(--outline) var(--panel),
    0 0 0 calc(var(--outline) * 3) var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: var(--control-h);
  padding: var(--space-3);
  border: var(--rule) solid var(--muted);
  border-radius: var(--radius-input);
  background-color: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  transition:
    border-color var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease);
}

.field textarea {
  min-height: calc(var(--control-h) * 3);
  line-height: var(--leading-body);
  resize: vertical;
}

/* A drawn caret, so the select matches the inputs on every platform. */
.field select {
  appearance: none;
  padding-inline-end: var(--space-7);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position:
    right calc(var(--space-4) + var(--space-1) + var(--rule)) center,
    right var(--space-4) center;
  background-size: calc(var(--space-1) + var(--rule)) calc(var(--space-1) + var(--rule));
  background-repeat: no-repeat;
  cursor: pointer;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--ink);
}

.field [aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: inset 0 0 0 var(--rule) var(--error);
}

.field [aria-invalid="true"]:focus-visible {
  box-shadow:
    inset 0 0 0 var(--rule) var(--error),
    0 0 0 var(--outline) var(--panel),
    0 0 0 calc(var(--outline) * 3) var(--ink);
}

.field-hint {
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.field-error {
  color: var(--error);
  font-size: var(--text-sm);
  font-weight: 500;
}

.form-summary {
  padding: var(--space-4);
  border: var(--rule) solid var(--error);
  border-radius: var(--radius-input);
  background: var(--white);
  color: var(--error);
  font-size: var(--text-sm);
  font-weight: 500;
}

.form-summary ul {
  display: grid;
  gap: var(--space-1);
  margin-block-start: var(--space-2);
}

.form-summary a {
  color: var(--error);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.form-done {
  display: grid;
  gap: var(--space-4);
  justify-items: start;
  padding-block: var(--space-5);
}

.form-done h3 {
  font-size: var(--text-xl);
}

.form-done h3:focus-visible {
  outline: 0;
  box-shadow: none;
}

.form-done p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.form-done .form-done-note {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-input);
  background: var(--white);
  color: var(--ink);
  font-size: var(--text-sm);
}

.form-noscript {
  display: none;
}

@media (scripting: none) {
  .form {
    display: none;
  }

  .form-noscript {
    display: block;
  }
}

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

.site-footer {
  background: var(--ink);
  color: var(--on-ink-soft);
  font-size: var(--text-sm);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4) var(--space-7);
  padding-block: var(--space-5) var(--space-6);
  border-top: var(--rule) solid var(--ink-line);
}

.footer-id {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-5);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-h-sm);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* ---------- 404 ---------- */

.lost {
  display: grid;
  gap: var(--space-5);
  justify-items: start;
  max-width: var(--span-8);
  padding-block: var(--space-9) var(--space-10);
}

/* ---------- Motion ----------
   One orchestrated moment: on load the hero settles in sequence, about 400ms, once.
   Nothing animates on scroll. Content is visible by default; the keyframes only
   describe where it comes from. */

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(var(--space-3));
  }
}

.settle {
  animation: settle var(--settle) var(--ease) both;
}

.settle-2 {
  animation-delay: var(--settle-step);
}

.settle-3 {
  animation-delay: calc(var(--settle-step) * 2);
}

.settle-4 {
  animation-delay: calc(var(--settle-step) * 4);
}

/* State changes that morph instead of cutting: menu button to panel, form to confirmation. */

.header-row > .menu-toggle {
  view-transition-name: menu-surface;
}

html[data-menu-open] .header-row > .menu-toggle {
  view-transition-name: none;
}

.menu[open] {
  view-transition-name: menu-surface;
}

::view-transition-group(*),
::view-transition-old(*),
::view-transition-new(*) {
  animation-duration: var(--medium);
  animation-timing-function: var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}