:root {
  color-scheme: light;
  --ink: #17221e;
  --muted: #5f6b66;
  --paper: #f5f3ed;
  --surface: #fcfbf7;
  --line: #cfd5d0;
  --green: #356356;
  --green-dark: #22483d;
  --green-wash: #dfeae4;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}
a {
  color: inherit;
}

.site-header {
  width: min(1160px, calc(100% - 40px));
  height: 84px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
}
.brand img {
  width: 32px;
  height: 32px;
  border-radius: 9px;
}
.header-note,
.artifact-status {
  color: var(--muted);
  font-size: 13px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 720;
}
.site-nav a {
  padding: 10px 13px;
  border-radius: 12px;
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--green-wash);
}
.site-nav .nav-download {
  background: var(--ink);
  color: var(--surface);
}

main,
footer {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}
footer a {
  text-decoration: none;
}
footer a:hover,
footer a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.document-page {
  max-width: 1160px;
}
.document-hero {
  padding: 92px 0 68px;
  border-bottom: 1px solid var(--line);
}
.document-hero h1 {
  max-width: 940px;
  font-size: clamp(48px, 6vw, 80px);
}
.document-date {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}
.document-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 720px);
  justify-content: space-between;
  gap: 80px;
  padding: 70px 0 110px;
}
.document-nav {
  align-self: start;
  position: sticky;
  top: 28px;
  display: grid;
  border-top: 1px solid var(--line);
}
.document-nav a {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}
.document-nav a:hover {
  color: var(--green-dark);
}
.document-content {
  min-width: 0;
}
.document-content section {
  padding: 0 0 42px;
  scroll-margin-top: 32px;
}
.document-content h2 {
  margin: 0 0 14px;
  font-size: 25px;
  letter-spacing: -0.025em;
}
.document-content p,
.document-content li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.document-content p {
  margin: 0 0 14px;
}
.document-content ul {
  margin: 18px 0;
  padding-left: 22px;
}
.document-content a,
.support-section a {
  color: var(--green-dark);
  font-weight: 700;
}

.support-hero,
.releases-hero {
  padding-bottom: 76px;
}
.support-section,
.release-list {
  padding: 84px 0;
  border-bottom: 1px solid var(--line);
}
.support-section > h2,
.support-band h2 {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 650;
}
.support-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.support-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
}
.support-grid h3 {
  margin: 0 0 18px;
  font-size: 19px;
}
.support-grid ol {
  margin: 0;
  padding-left: 20px;
}
.support-grid li,
.support-intro {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.support-grid li + li {
  margin-top: 8px;
}
.support-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.support-facts {
  border-top: 1px solid var(--line);
}
.support-facts div {
  padding: 17px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.support-facts span {
  color: var(--muted);
}
.support-intro {
  max-width: 700px;
  margin-top: 26px;
  font-size: 16px;
}
.support-note {
  max-width: 700px;
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--green-wash);
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 650;
}

.release-list {
  max-width: 840px;
  margin-inline: auto;
}
.release-entry {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
}
.release-entry header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.release-entry h2 {
  margin: 8px 0 0;
  font-size: 34px;
  letter-spacing: -0.04em;
}
.release-entry time {
  color: var(--muted);
  font-size: 13px;
}
.release-entry h3 {
  margin: 30px 0 14px;
  font-size: 22px;
}
.release-entry li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.release-entry li + li {
  margin-top: 9px;
}
.release-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero {
  padding: 92px 0 54px;
}
.eyebrow,
.section-label,
.platform {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}
.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #24a879;
  box-shadow: 0 0 0 5px #24a87920;
}
h1 {
  max-width: 880px;
  margin: 24px 0 22px;
  font-size: clamp(52px, 7vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.065em;
  font-weight: 670;
}
h1 em {
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}
.hero-copy {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.download-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 16px;
  margin-top: 52px;
}
.download-card {
  min-height: 225px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
}
.download-card-primary {
  color: #f7fbf8;
  border-color: var(--green-dark);
  background: var(--green-dark);
  box-shadow: 0 24px 70px -45px #13251f;
}
.download-card-primary .platform,
.download-card-primary .artifact-status {
  color: #b9d7ca;
}
.download-card h2 {
  margin: 8px 0 5px;
  font-size: 25px;
  letter-spacing: -0.025em;
}
.download-card p {
  margin: 0;
  color: inherit;
  opacity: 0.74;
  font-size: 14px;
}
.download-button {
  min-height: 50px;
  margin-top: auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 15px;
  background: #fff;
  color: var(--green-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -18px #000;
}
.download-button:focus-visible {
  outline: 3px solid #59d3a5;
  outline-offset: 3px;
}
.download-button-secondary {
  background: var(--green-wash);
  color: var(--green-dark);
}
.download-button.is-disabled {
  cursor: default;
  opacity: 0.68;
  pointer-events: none;
}

.signal {
  margin: 46px 0 110px;
  padding: 24px;
  border: 1px solid #263a33;
  border-radius: 28px;
  background: #111a17;
  color: #f5f8f6;
  box-shadow: 0 34px 90px -60px #111;
}
.signal-header,
.signal-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
}
.signal-header time {
  margin-left: auto;
  color: #c6d0cb;
  font-variant-numeric: tabular-nums;
}
.recording-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff5d62;
  box-shadow: 0 0 0 5px #ff5d6220;
}
.waveform {
  height: 116px;
  margin: 22px 0;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
}
.waveform i {
  flex: 1;
  min-width: 3px;
  height: 18%;
  border-radius: 99px;
  background: #6ee7b7;
  opacity: 0.88;
}
.waveform i:nth-child(3n) {
  height: 68%;
}
.waveform i:nth-child(4n) {
  height: 38%;
}
.waveform i:nth-child(5n) {
  height: 92%;
}
.waveform i:nth-child(7n) {
  height: 54%;
}
.signal-footer {
  justify-content: space-between;
  color: #b7c5bf;
  font-weight: 500;
}

.promise {
  padding: 0 0 110px;
}
.promise-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  margin-top: 18px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.promise h2 {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.05em;
  font-weight: 630;
}
.benefits {
  display: grid;
}
.benefits div {
  padding: 20px 0;
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}
.benefits strong {
  font-size: 15px;
}
.benefits span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.text-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.promise > .text-link {
  margin-top: 32px;
}
.primary-link {
  min-height: 50px;
  padding: 0 20px;
  border-radius: 15px;
  background: var(--green-dark);
  color: #fff;
}

.guide-hero {
  padding: 92px 0 100px;
  border-bottom: 1px solid var(--line);
}
.guide-hero h1 {
  max-width: 1080px;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.steps,
.confidence,
.privacy-grid,
.availability {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}
.steps > h2,
.confidence h2,
.workflow-sections h2,
.privacy-grid h2,
.availability > h2 {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 650;
}
.step-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.step-grid article,
.availability-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
}
.step-grid b {
  color: var(--green);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.step-grid h3,
.privacy-grid h3 {
  margin: 26px 0 9px;
  font-size: 18px;
}
.step-grid p,
.confidence p,
.workflow-sections p,
.privacy-grid p,
.workflow-sections li,
.privacy-grid li,
.availability li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}
.confidence {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
}
.behavior-list {
  border-top: 1px solid var(--line);
}
.behavior-list div {
  padding: 19px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.behavior-list span {
  color: var(--muted);
}
.confidence .support-line {
  grid-column: 1 / -1;
  margin: -22px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--green-wash);
  color: var(--green-dark);
}
.workflow-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.workflow-sections > article {
  min-height: 460px;
  padding: 76px 56px 76px 0;
  border-bottom: 1px solid var(--line);
}
.workflow-sections > article:nth-child(even) {
  padding-right: 0;
  padding-left: 56px;
  border-left: 1px solid var(--line);
}
.workflow-sections ul,
.privacy-grid ul,
.availability-grid ul {
  margin: 24px 0 0;
  padding-left: 20px;
}
.fine-print {
  padding: 16px;
  border-radius: 14px;
  background: var(--green-wash);
}
.note-order {
  margin: 28px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.note-order li {
  padding: 14px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}
.note-order b {
  color: var(--ink);
}
.privacy-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr 1fr;
  gap: 34px;
}
.privacy-grid article {
  padding: 26px;
  border-radius: 22px;
  background: var(--green-dark);
  color: white;
}
.privacy-grid article h3 {
  margin-top: 0;
}
.privacy-grid article li {
  color: #d7e4de;
}
.availability > h2 {
  margin-bottom: 44px;
}
.availability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.status-pill {
  display: inline-flex;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--green-wash);
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.status-pill.testing {
  background: #eee2bf;
  color: #67541d;
}
.status-pill.later {
  background: #e8e5e0;
  color: #5d5a55;
}

footer {
  padding: 26px 0 42px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  .hero {
    padding-top: 68px;
  }
  .download-grid,
  .promise-grid,
  .step-grid,
  .confidence,
  .workflow-sections,
  .privacy-grid,
  .availability-grid {
    grid-template-columns: 1fr;
  }
  .promise-grid {
    gap: 34px;
  }
  .signal {
    margin-bottom: 80px;
  }
  .site-header {
    height: 72px;
  }
  .site-nav a {
    padding: 8px;
  }
  .site-nav .nav-download {
    display: none;
  }
  .guide-hero {
    padding: 68px 0 72px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .steps,
  .confidence,
  .privacy-grid,
  .availability {
    padding: 72px 0;
  }
  .workflow-sections > article,
  .workflow-sections > article:nth-child(even) {
    min-height: auto;
    padding: 58px 0;
    border-left: 0;
  }
  .behavior-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .confidence .support-line {
    grid-column: auto;
    margin: 0;
  }
  footer {
    flex-direction: column;
  }
  footer nav {
    justify-content: flex-start;
  }
  .document-hero {
    padding: 68px 0 52px;
  }
  .document-layout,
  .support-grid,
  .support-band {
    grid-template-columns: 1fr;
  }
  .document-layout {
    gap: 50px;
    padding: 48px 0 80px;
  }
  .document-nav {
    position: static;
  }
  .support-section,
  .release-list {
    padding: 64px 0;
  }
  .release-entry {
    padding: 25px;
  }
  .release-entry header,
  .release-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .download-button {
    transition: none;
  }
}
