/* Marketing pages: header, homepage, directory, and info text. */

header.czx-top {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  min-height: 72px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) max(20px, calc((100% - 1080px) / 2)) 10px;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

header.czx-top .czx-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  text-decoration: none;
}

header.czx-top .czx-brand::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 0 4px var(--soft);
}

header.czx-top .czx-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 18px;
  margin-left: auto;
}

header.czx-top .czx-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

header.czx-top .czx-nav a:hover,
header.czx-top .czx-nav a[aria-current="page"] {
  color: var(--ink);
}

main.czx-wrap {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
  padding-bottom: 24px;
}

.czx-page {
  color: var(--ink);
}

main.czx-page {
  padding-top: 48px;
  padding-bottom: 16px;
}

.czx-prose {
  max-width: 68ch;
}

main.czx-prose {
  padding-top: 56px;
  padding-bottom: 24px;
}

.czx-wrap .czx-hero {
  padding: 56px 0 8px;
  background: radial-gradient(560px 200px at 0% 0%, var(--soft), transparent 72%);
}

.czx-wrap .czx-hero h1 {
  margin: 0 0 14px;
  max-width: 12em;
  color: var(--ink);
  font-size: clamp(2.15rem, 4.8vw, 3.25rem);
  font-weight: 750;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.czx-lead,
.czx-wrap .czx-hero p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.6;
}

.czx-join,
.czx-wrap .czx-hero form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  width: 100%;
  max-width: 440px;
  margin-top: 28px;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}

.czx-join label,
.czx-wrap .czx-hero label {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 650;
}

.czx-input,
.czx-join .czx-input,
.czx-page .czx-input,
.czx-wrap .czx-hero .czx-input {
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.3;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.czx-wrap .czx-hero .czx-input::placeholder,
.czx-join .czx-input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

.czx-wrap .czx-hero .czx-input:focus,
.czx-join .czx-input:focus {
  border-color: var(--blue);
}

.czx-btn,
.czx-wrap .czx-btn,
header.czx-top .czx-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  color: var(--paper);
  font-family: inherit;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 12px;
}

.czx-wrap .czx-hero .czx-btn,
.czx-join .czx-btn {
  width: 100%;
  white-space: normal;
}

header.czx-top .czx-nav a.czx-btn {
  flex: 0 0 auto;
  width: auto;
  min-height: 42px;
  margin-left: 6px;
  padding: 8px 16px;
  color: var(--paper);
}

.czx-btn.secondary,
.czx-wrap .czx-btn.secondary,
header.czx-top .czx-btn.secondary {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--line);
}

.czx-wrap .czx-btn:hover,
header.czx-top .czx-nav a.czx-btn:hover {
  color: var(--paper);
  background: color-mix(in srgb, var(--blue) 84%, var(--ink));
  border-color: color-mix(in srgb, var(--blue) 84%, var(--ink));
}

.czx-btn.secondary:hover,
.czx-wrap .czx-btn.secondary:hover,
header.czx-top .czx-btn.secondary:hover {
  color: var(--ink);
  background: var(--soft);
  border-color: var(--line);
}

.czx-wrap .czx-btn:disabled,
header.czx-top .czx-btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.czx-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 36px;
}

.czx-stats > * {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.czx-stats strong {
  display: block;
  color: var(--ink);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.czx-stats p,
.czx-stats span {
  margin: 4px 0 0;
  color: var(--muted);
}

.czx-section-title,
main.czx-wrap > section > h2,
main.czx-page > h1 {
  margin: 52px 0 16px;
  color: var(--ink);
  font-size: clamp(1.4rem, 2.2vw, 1.7rem);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

main.czx-page > h1,
.czx-prose > h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

main.czx-page:not(.czx-prose) > h1 + p {
  max-width: 40rem;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.6;
}

.czx-prose p {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.75;
}

.czx-prose h2,
.czx-prose h3 {
  margin: 1.8rem 0 0.5rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.czx-prose ul,
.czx-prose ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.czx-prose li + li {
  margin-top: 0.35rem;
}

.czx-prose a {
  color: var(--blue);
}

.czx-steps,
main.czx-wrap:not(.czx-prose) ol {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: czx;
}

.czx-steps > li,
main.czx-wrap:not(.czx-prose) ol > li {
  counter-increment: czx;
  margin: 0;
  padding: 18px 18px 16px;
  color: var(--ink);
  line-height: 1.45;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.czx-steps > li::before,
main.czx-wrap:not(.czx-prose) ol > li::before {
  content: counter(czx);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 700;
  background: var(--soft);
  border-radius: 999px;
}

.czx-wrap .czx-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
}

.czx-wrap .czx-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  height: 100%;
  margin: 0;
  padding: 18px 18px 16px;
  color: var(--ink);
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.czx-wrap a.czx-card:hover {
  background: color-mix(in srgb, var(--soft) 50%, var(--paper));
  border-color: color-mix(in srgb, var(--blue) 28%, var(--line));
}

.czx-wrap .czx-card strong,
.czx-wrap .czx-card [role="heading"] {
  display: block;
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.czx-wrap .czx-card strong {
  font-size: 1.35rem;
}

.czx-wrap .czx-card [role="heading"] {
  font-size: 1.08rem;
}

.czx-wrap .czx-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.czx-wrap .czx-card small {
  margin-top: auto;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}

.czx-wrap .czx-card [data-room-online] {
  color: var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.czx-wrap .czx-card [data-room-online]::after {
  content: none;
}

.czx-wrap .czx-hero + section {
  margin-top: 40px;
}

main.czx-wrap article {
  margin: 0 0 14px;
  padding: 20px 22px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

main.czx-wrap article h2 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

main.czx-wrap article p {
  margin: 0 0 10px;
  color: var(--ink);
  line-height: 1.65;
}

main.czx-wrap article p:last-child {
  margin-bottom: 0;
}

main.czx-wrap article .czx-btn {
  width: auto;
  margin-top: 4px;
}

.czx-wrap .czx-faq {
  margin-top: 8px;
  padding-bottom: 8px;
}

.czx-faq details,
.czx-wrap .czx-faq details {
  margin: 0 0 10px;
  padding: 2px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.czx-wrap .czx-faq summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 28px 12px 0;
  color: var(--ink);
  font-weight: 650;
  list-style: none;
  cursor: pointer;
}

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

.czx-wrap .czx-faq summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 2px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
}

.czx-wrap .czx-faq details[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.czx-wrap .czx-faq details p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
}

footer.czx-foot {
  width: min(1080px, calc(100% - 40px));
  margin: 28px auto 0;
  padding: 28px 0 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

footer.czx-foot p {
  margin: 0 0 14px;
  color: var(--ink);
  font-weight: 650;
}

footer.czx-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 10px;
}

footer.czx-foot a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

footer.czx-foot a:hover {
  color: var(--blue);
}

header.czx-top .czx-nav a,
.czx-wrap a.czx-card,
.czx-wrap .czx-btn,
header.czx-top .czx-btn,
footer.czx-foot a,
.czx-wrap .czx-faq summary::after {
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.czx-wrap ::selection,
.czx-foot ::selection,
.czx-prose ::selection {
  color: var(--ink);
  background: var(--soft);
}

@media (min-width: 700px) {
  .czx-stats,
  .czx-steps,
  main.czx-wrap:not(.czx-prose) ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1000px) {
  .czx-wrap .czx-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .czx-wrap .czx-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    grid-template-rows: auto auto;
    align-items: start;
    column-gap: 48px;
    row-gap: 14px;
    padding-top: 72px;
    padding-bottom: 20px;
  }

  .czx-wrap .czx-hero h1 {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
  }

  .czx-wrap .czx-hero p,
  .czx-wrap .czx-hero .czx-lead {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }

  .czx-join,
  .czx-wrap .czx-hero form {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    max-width: none;
    margin-top: 0;
  }
}

@media (max-width: 699px) {
  header.czx-top {
    padding-inline: 16px;
  }

  .czx-wrap .czx-hero {
    padding-top: 32px;
  }

  .czx-wrap .czx-hero h1,
  .czx-prose > h1,
  main.czx-page > h1 {
    font-size: 2rem;
  }

  .czx-section-title,
  main.czx-wrap > section > h2 {
    margin-top: 36px;
  }
}