/* Compact layouts follow available space, including short landscape viewports. */
[hidden] {
  display: none !important
}

:root {
  --header-height: 68px
}

.public-site .header-inner {
  height: var(--header-height)
}

.mobile-summary,
.responsive-detail,
.story-media,
.mobile-navigation {
  display: none
}

.public-site .menu-button,
.public-site .mobile-nav {
  display: none
}

.public-site h1,
.public-site h2,
.public-site h3 {
  overflow-wrap: anywhere
}

.menu-button {
  list-style: none
}

.menu-button::-webkit-details-marker {
  display: none
}

/* Native details remain available if JavaScript is disabled. */
.detail-fallback>summary {
  cursor: pointer;
  list-style: disclosure-closed
}

.detail-fallback[open]>summary {
  list-style: disclosure-open;
  margin-bottom: 18px
}

.detail-fallback .detail-body {
  padding: 18px 0
}

.responsive-detail.detail-always {
  display: block
}

.detail-trigger {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 10px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: inherit;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer
}

.detail-plus {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid currentColor;
  font-size: 22px;
  font-weight: 400;
  line-height: 1
}

.dark .detail-trigger {
  color: var(--white)
}

.detail-dialog {
  border: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  width: min(720px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  overflow: hidden
}

.detail-dialog::backdrop {
  background: rgba(13, 11, 13, .58)
}

.detail-card {
  position: relative;
  padding: 64px clamp(24px, 5vw, 56px) 36px;
  max-height: calc(100dvh - 32px);
  overflow: auto;
  overscroll-behavior: contain
}

.detail-card>h2 {
  max-width: 16em;
  margin-bottom: 28px
}

.public-site .detail-dialog .eyebrow {
  color: var(--accent-deep)
}

.detail-body {
  display: grid;
  gap: 20px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.48
}

.detail-body p {
  margin: 0
}

.detail-body strong {
  color: var(--ink)
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px
}

.detail-grid h3 {
  margin-bottom: 12px
}

.detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid #1112;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 30px;
  line-height: 1;
  cursor: pointer
}

.image-inspect {
  display: block;
  color: inherit
}

.image-inspect:focus-visible {
  outline-offset: 6px
}

.presence-card>.image-inspect {
  min-height: 0;
  flex: 1
}

.public-site .presence-card>.image-inspect img {
  height: 100%;
  width: 100%;
  object-fit: cover
}

@media(min-width:1201px) {
  .presence-card-sit>.image-inspect {
    height: 72%;
    flex: none
  }
}

.home-intro-actions {
  margin: -34px auto 64px;
  padding-inline: var(--gutter)
}

.join-intro {
  padding-top: 76px;
  padding-bottom: 64px
}

.join-intro h1 {
  max-width: 12em
}

.join-intro .server-box {
  padding: 0;
  margin: 28px auto 0;
  background: none
}

.join-intro .server-address {
  margin-bottom: 0
}

.join-version {
  margin: 20px 0 12px
}

.join-help {
  max-width: 660px;
  margin: 0 auto;
  color: var(--muted)
}

.join-faq {
  padding: 24px 0;
  border-bottom: 1px solid var(--line, #ccc)
}

.join-faq summary {
  cursor: pointer;
  font-size: 25px;
  font-weight: 500;
  min-height: 44px
}

.join-faq p {
  margin: 18px 0 0;
  color: var(--muted)
}

.join-faq a {
  text-decoration: underline
}

ol.steps {
  padding-left: 30px
}

.search-submit {
  margin-top: 14px
}

/* Tablet, split screen and unfolded phones share a calm, readable composition. */
@media(max-width:1200px) {
  :root {
    --gutter: clamp(20px, 4vw, 44px);
    --header-height: 64px;
    --s8: 88px;
    --s7: 64px;
    --s6: 40px
  }

  .public-site {
    font-size: 19px
  }

  .public-site .header-inner {
    grid-template-columns: auto 1fr;
    gap: 16px
  }

  .public-site.menu-open {
    padding-top: calc(var(--header-height) + 1px)
  }

  .public-site.menu-open .site-header {
    position: fixed;
    inset: 0 0 auto
  }

  .public-site .desktop-nav,
  .public-site .search-link {
    display: none
  }

  .public-site .header-actions {
    gap: 20px
  }

  .public-site .access-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 18px
  }

  .public-site .mobile-navigation {
    display: block
  }

  .public-site .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid #1113;
    font-size: 18px;
    line-height: 1
  }

  .public-site .mobile-navigation[open] .menu-button {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink)
  }

  /* The header is opaque, with no transform/filter to trap fixed descendants. */
  .public-site .mobile-navigation[open] .mobile-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    block-size: calc(100vh - var(--header-height));
    block-size: calc(100dvh - var(--header-height));
    z-index: 81;
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 0;
    padding: 24px max(var(--gutter), calc((100vw - 880px)/2)) max(24px, env(safe-area-inset-bottom));
    background: var(--paper);
    overflow-y: auto;
    overscroll-behavior: contain;
    touch-action: pan-y
  }

  .public-site .mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 60px;
    padding: 12px 8px;
    border-bottom: 1px solid #1112;
    font-size: 28px;
    font-weight: 400;
    line-height: 1.15
  }

  .public-site .mobile-nav a[aria-current=page] {
    color: var(--accent-deep);
    font-weight: 500
  }

  .public-site .mobile-nav a:focus-visible {
    outline-offset: -3px;
    background: var(--paper-deep)
  }

  .public-site .intro {
    padding: 64px 0 36px;
    text-align: left
  }

  .public-site .intro h1,
  .public-site .intro .lead {
    margin-left: 0;
    margin-right: 0
  }

  .public-site h1 {
    font-size: clamp(48px, 6.4vw, 72px);
    line-height: 1.02;
    max-width: 20ch;
    margin-bottom: 22px
  }

  .public-site h2 {
    font-size: clamp(36px, 4.6vw, 54px);
    line-height: 1.06
  }

  .public-site h3 {
    font-size: 30px;
    line-height: 1.12
  }

  .public-site .lead {
    font-size: 24px;
    line-height: 1.4;
    max-width: 52ch
  }

  .public-site .copy {
    font-size: 20px;
    line-height: 1.5
  }

  .public-site .hero-media {
    margin-bottom: 64px
  }

  .public-site .hero-media img {
    aspect-ratio: 16/9;
    object-fit: cover
  }

  .public-site .section {
    padding-block: 72px;
    scroll-margin-top: 84px
  }

  .public-site .section-head {
    width: min(880px, calc(100% - 2*var(--gutter)));
    margin: 0 auto 36px;
    text-align: left
  }

  .public-site .section-head h2 {
    max-width: 24ch
  }

  .public-site .section-head .copy {
    margin-left: 0
  }

  .public-site .two-col {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px
  }

  .public-site .two-col>.copy-block {
    min-width: 0;
    max-width: none
  }

  .public-site .copy-block h2 {
    margin-bottom: 20px
  }

  .public-site .feature-overlap .copy-block,
  .public-site .feature-cinematic .copy-block {
    padding: 0
  }

  .public-site .caption {
    font-size: 16px;
    text-align: left
  }

  .public-site .page-nav-wrap {
    display: none
  }

  .public-site .page-nav {
    height: auto;
    min-height: 56px;
    flex-wrap: wrap;
    gap: 4px 24px;
    padding-block: 8px;
    overflow: visible;
    white-space: normal;
    justify-content: flex-start
  }

  .public-site .page-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 17px
  }

  .public-site .home-intro-actions {
    justify-content: flex-start;
    margin: 0 auto 36px
  }

  .public-site .home-hero-note {
    width: min(980px, calc(100% - 2*var(--gutter)));
    display: block;
    margin: 0 auto 64px
  }

  .public-site .home-hero-note>p:not(.note-title) {
    display: none
  }

  .public-site .home-hero-note .note-title {
    font-size: 27px;
    max-width: 44ch;
    margin: 0;
    line-height: 1.3
  }

  .public-site .moment-grid {
    gap: 40px
  }

  .public-site .moment-copy {
    max-width: none
  }

  .public-site .statement {
    padding-block: 80px
  }

  .public-site .statement-inner {
    width: min(980px, calc(100% - 2*var(--gutter)));
    text-align: left
  }

  .public-site .statement h2,
  .public-site .statement .copy {
    margin-left: 0;
    max-width: 28ch
  }

  .public-site .statement .copy {
    max-width: 50ch
  }

  .public-site .home-duo {
    gap: 32px
  }

  .public-site .story-media {
    display: block;
    aspect-ratio: 16/10;
    object-fit: cover;
    margin-bottom: 22px
  }

  .public-site .story-link h3 {
    font-size: 32px;
    max-width: 24ch
  }

  .public-site .presence-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px
  }

  .public-site .presence-card {
    aspect-ratio: 4/5;
    overflow: hidden
  }

  .public-site .presence-band {
    display: none
  }

  .public-site .engineering-more {
    padding-block: 64px
  }

  .public-site .engineering-more-inner {
    display: block
  }

  .public-site .engineering-more h2 {
    margin-bottom: 20px
  }

  .public-site .steps {
    width: min(760px, calc(100% - 2*var(--gutter)));
    padding-left: 0
  }

  .public-site .step {
    padding: 24px 0;
    border-bottom: 1px solid #1112
  }

  .public-site .join-intro {
    padding-block: 48px
  }

  .public-site .join-intro .server-box {
    margin: 28px 0 0;
    padding: 24px;
    background: var(--paper-deep);
    text-align: left;
    max-width: 660px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap
  }

  .public-site .server-address {
    font-size: clamp(32px, 4vw, 44px);
    line-height: 1.15;
    overflow-wrap: anywhere;
    min-width: 0
  }

  .public-site .server-box button {
    margin-top: 0;
    min-height: 44px
  }

  .public-site .join-help {
    margin-left: 0;
    font-size: 19px;
    line-height: 1.45
  }

  .public-site .join-version {
    font-size: 20px
  }

  .public-site .legal a,
  .public-site .legal code {
    overflow-wrap: anywhere
  }

  .public-site .footer-inner {
    gap: 36px
  }

  .public-site .footer-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 18px
  }
}

@media(min-width:600px) and (max-width:1200px) {
  .public-site .mobile-navigation[open] .mobile-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
    padding-top: 32px
  }

  .public-site .mobile-nav a {
    min-height: 76px;
    font-size: 32px
  }
}

/* Avoid compressed text/image columns on portrait tablets and square screens. */
@media(max-width:960px) {
  .public-site .desktop-detail {
    display: none !important
  }

  .public-site .mobile-summary,
  .public-site .responsive-detail {
    display: block
  }

  .mobile-summary {
    font-size: 21px;
    line-height: 1.45;
    color: var(--muted);
    max-width: 52ch;
    margin: 0 0 14px
  }

  .dark .mobile-summary {
    color: #c9c2c6
  }

  .public-site .two-col,
  .public-site .engineering-feature .two-col {
    display: flex;
    flex-direction: column;
    gap: 28px
  }

  .public-site .two-col .media-cell {
    order: 0;
    width: 100%
  }

  .public-site .two-col .copy-block {
    order: 1;
    width: 100%
  }

  .public-site .two-col .media-cell img {
    width: 100%;
    height: auto;
    max-height: none;
    aspect-ratio: auto
  }

  .public-site .moment-grid {
    display: flex;
    flex-direction: column;
    gap: 28px
  }

  .public-site .moment-media {
    order: 0;
    width: 100%
  }

  .public-site .moment-copy {
    order: 1;
    width: 100%;
    margin: 0;
    padding: 0
  }

  .public-site .moment-media img {
    aspect-ratio: 16/9;
    object-fit: cover
  }

  .public-site .article-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 0
  }

  .public-site .article-row h2 {
    font-size: 32px;
    margin-bottom: 8px
  }

  .public-site .article-row p {
    display: block;
    font-size: 19px
  }

  .public-site .footer-inner {
    grid-template-columns: 1fr
  }
}

@media(max-width:600px) {
  :root {
    --header-height: 60px;
    --gutter: clamp(18px, 5vw, 28px);
    --s8: 64px;
    --s7: 48px;
    --s6: 32px
  }

  .public-site .header-actions {
    gap: 12px
  }

  .public-site .brand-mark,
  .public-site .brand-mark img {
    width: 32px;
    height: 32px
  }

  .public-site .intro {
    padding-top: 40px;
    padding-bottom: 28px
  }

  .public-site h1 {
    font-size: clamp(42px, 10vw, 58px);
    max-width: 18ch;
    line-height: 1.03
  }

  .public-site h2 {
    font-size: clamp(34px, 8vw, 44px);
    line-height: 1.08
  }

  .public-site .lead {
    font-size: 22px;
    line-height: 1.4
  }

  .public-site .eyebrow {
    font-size: 14px;
    margin-bottom: 14px
  }

  .public-site .section,
  .public-site .statement {
    padding-block: 56px
  }

  .public-site .hero-media {
    margin-bottom: 40px
  }

  .public-site .hero-media img {
    aspect-ratio: 16/10
  }

  .public-site .home-hero-note {
    margin-bottom: 48px
  }

  .public-site .home-hero-note .note-title {
    font-size: 24px
  }

  .public-site .home-duo {
    grid-template-columns: 1fr;
    gap: 36px
  }

  .public-site .story-link {
    padding: 0 0 28px
  }

  .public-site .story-link p {
    display: block;
    font-size: 19px
  }

  .public-site .command-rail {
    gap: 20px
  }

  .public-site .command-item img {
    aspect-ratio: auto
  }

  .public-site .command-item h3 {
    font-size: 28px;
    margin-top: 18px
  }

  .public-site .command-item p {
    font-size: 18px
  }

  .public-site .join-intro {
    padding-top: 32px;
    padding-bottom: 36px
  }

  .public-site .join-intro .server-box {
    padding: 20px;
    gap: 20px
  }

  .public-site .join-intro .server-box button {
    width: 100%
  }

  .public-site .server-address {
    font-size: clamp(30px, 8vw, 40px)
  }

  .public-site .join-version {
    font-size: 19px
  }

  .public-site .join-faq summary {
    font-size: 23px;
    line-height: 1.25;
    padding-right: 8px
  }

  .public-site .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 20px
  }

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 24px
  }

  .detail-body {
    font-size: 19px
  }
}

@media(max-width:480px) {
  .public-site .command-rail {
    grid-template-columns: 1fr
  }

  .public-site .presence-row {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .public-site .presence-card:first-child {
    grid-column: 1/-1;
    aspect-ratio: 16/10
  }
}

/* A folded phone or split-screen pane can be narrower than a conventional phone. */
@media(max-width:340px) {
  :root {
    --gutter: 16px
  }

  .public-site .header-actions {
    gap: 6px
  }

  .public-site .access-link {
    font-size: 16px
  }

  .public-site h1 {
    font-size: 40px
  }

  .public-site .cta-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px
  }
}

/* Landscape keeps all six menu choices visible instead of one tall scrolling list. */
@media(max-width:1200px) and (max-height:500px) {
  :root {
    --header-height: 56px
  }

  .public-site .intro,
  .public-site .join-intro {
    padding-top: 28px
  }

  .public-site .mobile-navigation[open] .mobile-nav {
    padding-top: 12px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    column-gap: 24px
  }

  .public-site .mobile-nav a {
    min-height: 48px;
    padding: 8px;
    font-size: 24px
  }

  .detail-card {
    padding-top: 56px
  }
}

@media(max-width:1200px) and (max-height:500px) {
  .public-site .mobile-navigation[open] .mobile-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }
}

@media(max-width:419px) and (max-height:500px) {
  .public-site .mobile-navigation[open] .mobile-nav {
    column-gap: 12px
  }

  .public-site .mobile-nav a {
    font-size: 22px;
    gap: 8px;
    padding-inline: 4px
  }
}