:root {
  --color-canvas: #f7f6f3;
  --color-raised: #ffffff;
  --color-ink: #1f1633;
  --color-ink-muted: #5c556e;
  --color-accent: #c2ef4e;
  --color-accent-ink: #150f23;
  --color-cta: #150f23;
  --color-cta-hover: #2a2140;
  --color-cta-text: #ffffff;
  --color-header: #150f23;
  --color-footer: #150f23;
  --color-on-dark: #ffffff;
  --color-border: #e4e0d8;
  --color-error: #b42318;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --text-body: 1.0625rem;
  --text-body-lh: 1.55;
  --text-hero: clamp(2.25rem, 6vw, 3.75rem);
  --text-hero-lh: 1.08;
  --text-hero-tracking: -0.03em;
  --text-hero-weight: 800;
  --text-section: clamp(1.35rem, 2.5vw, 1.75rem);

  --radius: 6px;
  --space: 1rem;
  --measure: 40rem;
  --tap: 2.75rem;
  --header-h: 3.5rem;
  --focus: 0 0 0 3px var(--color-accent);
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: var(--text-body);
  line-height: var(--text-body-lh);
  color: var(--color-ink);
  background: var(--color-canvas);
}

main {
  flex: 1;
}

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

a {
  color: var(--color-ink);
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip-link {
  position: absolute;
  left: var(--space);
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-h);
  background: var(--color-header);
  color: var(--color-on-dark);
}

.site-header__inner,
.site-footer__inner,
.wrap {
  width: min(100% - 2 * var(--space), var(--measure));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
  height: var(--header-h);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-on-dark);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark__mark {
  width: 2.35rem;
  height: 1.32rem;
  flex: none;
  background: currentColor;
  /* Alpha, not luminance: the file is dark ink, which a luminance mask would hide. */
  -webkit-mask: url("../mark.svg") center / contain no-repeat;
  mask: url("../mark.svg") center / contain no-repeat;
  mask-mode: alpha;
}

.wrap--narrow {
  width: min(100% - 2 * var(--space), var(--measure));
}

.hero,
.section {
  padding-block: calc(var(--space) * 2.5);
}

#enquire {
  scroll-margin-top: calc(var(--header-h) + var(--space));
}

.hero h1,
.section h1,
.section h2 {
  line-height: var(--text-hero-lh);
  letter-spacing: var(--text-hero-tracking);
  font-weight: var(--text-hero-weight);
}

.hero h1,
.section h1 {
  font-size: var(--text-hero);
  max-width: var(--measure);
  margin: 0 0 var(--space);
}

.section h2 {
  font-size: var(--text-section);
  margin: 0 0 var(--space);
}

.hero .lead,
.hero p {
  max-width: var(--measure);
}

.hero .lead {
  font-size: 1.125rem;
}

.mark {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 0.18em;
  text-underline-offset: 0.12em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0.6rem 1.15rem;
  border: 0;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  width: 100%;
  max-width: 22rem;
  background: var(--color-cta);
  color: var(--color-cta-text);
}

.btn-primary:hover {
  background: var(--color-cta-hover);
  color: var(--color-cta-text);
}

.btn-header {
  /* Paint 2rem. The box stays --tap so the header link remains a 44px target. */
  position: relative;
  z-index: 0;
  padding: 0 0.75rem;
  background: transparent;
  color: var(--color-accent-ink);
}

.btn-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 50%;
  height: 2rem;
  transform: translateY(-50%);
  border-radius: var(--radius);
  background: var(--color-accent);
}

.btn-header:hover {
  color: var(--color-accent-ink);
}

.btn-header:hover::before {
  filter: brightness(0.97);
}

.btn-header:focus-visible {
  box-shadow: none;
}

.btn-header:focus-visible::before {
  box-shadow: var(--focus);
}

.plain-list,
.steps {
  max-width: var(--measure);
  margin: 0;
  padding-left: 1.25rem;
}

.plain-list li,
.steps li {
  margin-bottom: 0.75rem;
}

.steps {
  padding-left: 1.5rem;
}

.price {
  margin: 0 0 0.5rem;
}

.price__setup,
.price__month {
  color: var(--color-accent-ink);
  background: var(--color-accent);
  font-weight: 800;
  letter-spacing: -0.03em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.price__setup {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

.price__month {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.proof-viewport {
  container-type: inline-size;
  overflow: hidden;
}

.proof-track {
  --slide: calc(50cqw + (var(--space) / 2));
  display: flex;
  align-items: stretch;
  gap: var(--space);
  width: max-content;
  animation: proof-rotate 15s ease-in-out infinite;
}

.proof-viewport:hover .proof-track,
.proof-viewport:focus-within .proof-track {
  animation-play-state: paused;
}

.proof-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 calc((100cqw - var(--space)) / 2);
  width: calc((100cqw - var(--space)) / 2);
  min-width: 0;
  align-items: center;
  background: var(--color-raised);
  border: 1px solid var(--color-border);
  border-radius: 1.25rem;
  padding: var(--space);
  color: inherit;
  text-align: center;
  text-decoration: none;
}

.proof-card__logo {
  display: block;
  height: 5.5rem;
  width: auto;
  max-width: 100%;
  margin: 0 auto 0.85rem;
  object-fit: contain;
  object-position: center;
}

.proof-card h3 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}

.proof-card p {
  margin: 0 0 0.35rem;
  color: var(--color-ink-muted);
  font-size: 0.85rem;
}

.proof-card__domain {
  margin-top: auto;
  font-weight: 700;
  font-size: 0.75rem;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  overflow-wrap: normal;
}

@keyframes proof-rotate {
  0%,
  20% {
    transform: translateX(0);
  }

  28%,
  48% {
    transform: translateX(calc(var(--slide) * -1));
  }

  56%,
  76% {
    transform: translateX(calc(var(--slide) * -2));
  }

  84%,
  100% {
    transform: translateX(calc(var(--slide) * -3));
  }
}

.form-panel {
  position: relative;
  background: var(--color-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1.25);
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}

.field label,
.field legend {
  font-weight: 700;
}

.optional,
.help {
  font-weight: 400;
  color: var(--color-ink-muted);
}

.help {
  font-size: 0.95rem;
}

.field input,
.field textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-raised);
  color: var(--color-ink);
  font: inherit;
  font-size: 1rem;
}

.field textarea {
  min-height: 6rem;
  resize: vertical;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: var(--tap);
  margin: 0 0 0.4rem;
  padding: 0 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-raised);
  font-weight: 400;
}

.choice input {
  width: 1.15rem;
  height: 1.15rem;
  min-height: 0;
  accent-color: var(--color-cta);
}

.form-errors {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
  scroll-margin-top: calc(var(--header-h) + var(--space));
}

.form-errors p,
.form-errors a {
  color: var(--color-error);
  font-weight: 700;
}

.form-errors p {
  margin: 0;
}

.form-errors ul {
  margin: 0.4rem 0 0;
  padding-left: 1.25rem;
}

.field-error {
  color: var(--color-error);
  font-weight: 700;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"],
.field--invalid .choice {
  border-color: var(--color-error);
}

.form-panel .btn-primary {
  width: 100%;
  max-width: none;
}

.site-footer {
  background: var(--color-footer);
  color: var(--color-on-dark);
  padding-block: calc(var(--space) * 1.5);
  margin-top: calc(var(--space) * 2);
}

.site-footer a {
  color: var(--color-on-dark);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
}

.footer-mark {
  display: inline-flex;
  color: var(--color-on-dark);
  line-height: 0;
  text-decoration: none;
}

.site-footer p {
  margin: 0;
}

.legal h2 {
  font-size: 1.15rem;
  letter-spacing: 0;
  margin-top: 1.75rem;
}

.page-simple .hero,
.page-legal .hero {
  display: none;
}

/* The list body has no class on the sign-out form. Once signed in, that form
   is the only direct child whose action is logout, so it can share the
   heading row. Everything else stays full width underneath. */
.wrap--narrow:has(> form > input[name="action"][value="logout"]) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: var(--space);
  align-items: center;
}

.wrap--narrow:has(> form > input[name="action"][value="logout"]) > * {
  grid-column: 1 / -1;
}

.wrap--narrow:has(> form > input[name="action"][value="logout"]) > h1 {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  min-width: 0;
}

.wrap--narrow:has(> form > input[name="action"][value="logout"])
  > form:has(> input[name="action"][value="logout"]) {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  margin: 0;
}

.wrap--narrow:has(> form > input[name="action"][value="logout"])
  > form:has(> input[name="action"][value="logout"])
  .btn {
  white-space: nowrap;
}

@media (min-width: 40rem) {
  .hero,
  .section {
    padding-block: calc(var(--space) * 3.5);
  }

  .btn-primary {
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .proof-viewport {
    overflow: visible;
  }

  .proof-track {
    flex-direction: column;
    width: auto;
    animation: none;
  }

  .proof-card {
    width: auto;
    flex-basis: auto;
  }

  .proof-card[aria-hidden="true"] {
    display: none;
  }
}