@font-face {
  font-family: "Noto Sans Local";
  src: url("/fonts/NotoSans-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans Local";
  src: url("/fonts/NotoSans-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
}

@font-face {
  font-family: "Noto Serif Local";
  src: url("/fonts/NotoSerifDisplay-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --page: #e9e9e4;
  --surface: #fffffb;
  --surface-strong: #e7e7e1;
  --text: #20201d;
  --muted: #55554f;
  --line: #a8a8a0;
  --accent: #164d80;
  --accent-text: #f7f8f5;
  --focus: #2b68a0;
  --shadow: 0 3px 10px rgba(25, 30, 34, .16);
  --max: 1180px;
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #171a1d;
    --surface: #202428;
    --surface-strong: #30363b;
    --text: #f0f0eb;
    --muted: #c0c2be;
    --line: #62676b;
    --accent: #8fc7f0;
    --accent-text: #142636;
    --focus: #a8d7f8;
    --shadow: 0 3px 12px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--page);
  font-family: "Noto Sans Local", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button { color: inherit; font: inherit; }
[hidden] { display: none !important; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--accent-text);
  background: var(--accent);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header,
.site-footer,
.hero,
.section,
.prose-page {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 60px;
  padding-inline: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-inline: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand img,
.footer-brand img {
  filter: grayscale(1) contrast(1.1);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
  white-space: nowrap;
}

.site-header nav a,
.footer-links a,
.footer-links button {
  color: var(--accent);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header nav a:hover,
.footer-links a:hover,
.footer-links button:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .65fr);
  align-items: center;
  gap: clamp(42px, 7vw, 84px);
  padding: 54px 48px;
  border-inline: 1px solid var(--line);
  background: var(--surface);
}

.hero-copy { max-width: 620px; }

h1,
h2,
h3,
p { text-wrap: pretty; }

h1 {
  max-width: 14ch;
  margin: 0;
  font-family: "Noto Serif Local", Georgia, serif;
  font-size: clamp(2.8rem, 5vw, 4.7rem);
  line-height: 1.02;
  letter-spacing: -.025em;
  font-weight: 400;
}

.hero-copy > p {
  max-width: 48ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  line-height: 1.5;
}

.hero-actions,
.install-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(to bottom, var(--surface), var(--surface-strong));
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .48);
}

.button:hover { background: var(--surface-strong); }
.button:active { transform: translateY(1px); }

.button-primary {
  border-color: var(--accent);
  color: var(--accent-text);
  background: var(--accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22);
}

.button-primary:hover { background: var(--accent); filter: brightness(.92); }

.text-link {
  display: inline-block;
  color: var(--accent);
  font-weight: 800;
  text-underline-offset: 4px;
}

.hero-screen { width: min(100%, 315px); margin: 0; justify-self: end; }

.hero-screen img,
.tour-preview > img {
  width: 100%;
  height: auto;
  aspect-ratio: 758 / 1024;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f4f4f1;
  box-shadow: var(--shadow);
}

.hero-screen figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: .78rem;
  text-align: center;
}

.section {
  padding: 54px 48px;
  border-top: 1px solid var(--line);
  border-inline: 1px solid var(--line);
  background: var(--surface);
}

.section-heading { max-width: 680px; margin-bottom: 30px; }

.section-heading h2,
.project h2,
.prose-page h1 {
  margin: 0;
  font-family: "Noto Serif Local", Georgia, serif;
  font-size: clamp(1.85rem, 3.3vw, 2.8rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 400;
}

.section-heading p,
.project p,
.prose-intro {
  max-width: 64ch;
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.capability-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 48px;
}

.capability-list > div { padding: 18px 0; border-top: 1px solid var(--line); }
.capability-list dt { font-size: 1.02rem; font-weight: 800; }
.capability-list dd { max-width: 52ch; margin: 7px 0 0; color: var(--muted); }

.screen-tour {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(300px, .78fr);
  align-items: start;
  gap: 34px;
}

.tour-preview { min-width: 0; margin: 0; }
.tour-preview > img { width: min(100%, 560px); margin-inline: auto; }
.tour-preview figcaption { display: grid; gap: 2px; margin-top: 12px; }
.tour-preview figcaption strong { font-size: 1rem; }
.tour-preview figcaption span { color: var(--muted); font-size: .86rem; }

.tour-index {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.tour-index button {
  min-height: 46px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  background: var(--surface);
  font-weight: 700;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.tour-index button:last-child { border-bottom: 0; }
.tour-index button:hover { background: var(--surface-strong); }
.tour-index button[aria-pressed="true"] { color: var(--accent-text); background: var(--accent); text-decoration: none; }

.source-note {
  max-width: 76ch;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: .78rem;
}

.compatibility-record {
  display: grid;
  grid-template-columns: 1.4fr .7fr 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.compatibility-record > div { padding: 18px; border-right: 1px solid var(--line); }
.compatibility-record > div:last-child { border-right: 0; }
.compatibility-record span { display: block; margin-bottom: 6px; color: var(--muted); font-size: .78rem; }
.compatibility-record strong { font-size: 1.08rem; }
.compatibility > p { max-width: 70ch; margin: 18px 0 0; color: var(--muted); }
.compatibility .text-link { margin-top: 13px; }

.install-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: install;
}

.install-list li {
  counter-increment: install;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.install-list li::before {
  content: counter(install);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: var(--accent-text);
  background: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  grid-row: 1 / span 2;
}

.install-list h3,
.install-list p { grid-column: 2; }
.install-list h3 { margin: 1px 0 5px; font-size: 1.08rem; }
.install-list p { max-width: 72ch; margin: 0; color: var(--muted); }
code { padding: .08em .3em; border-radius: 4px; background: var(--surface-strong); font-size: .9em; }

.project {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 44px;
}

.project > div { max-width: 720px; }

.site-footer {
  min-height: 126px;
  padding: 28px 34px;
  display: grid;
  grid-template-columns: auto minmax(240px, 1fr) auto;
  align-items: center;
  gap: 34px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.site-footer > p { max-width: 74ch; margin: 0; color: var(--muted); font-size: .76rem; }
.footer-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 16px; }
.footer-links button { padding: 0; border: 0; background: none; cursor: pointer; }

.consent {
  position: fixed;
  z-index: 50;
  right: 20px;
  bottom: 20px;
  width: min(560px, calc(100vw - 40px));
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.consent h2 { margin: 0; font-size: 1.1rem; }
.consent p { max-width: 48ch; margin: 6px 0 0; color: var(--muted); font-size: .82rem; }
.consent-actions { display: flex; gap: 8px; }
.consent .button { min-height: 40px; padding-inline: 13px; font-size: .82rem; cursor: pointer; }

.prose-page { min-height: calc(100dvh - 186px); padding: 54px 48px; border-inline: 1px solid var(--line); background: var(--surface); }
.prose-intro { margin-top: 18px; }
.prose-grid { max-width: 880px; margin: 62px 0 50px; display: grid; grid-template-columns: 1fr 1fr; gap: 42px 56px; }
.prose-grid section { padding-top: 22px; border-top: 1px solid var(--line); }
.prose-grid h2 { margin: 0 0 10px; font-size: 1.2rem; }
.prose-grid p { color: var(--muted); }
.inline-button { padding: 0; border: 0; color: var(--accent); background: none; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }

@media (max-width: 820px) {
  .site-header nav a:nth-child(2) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 38px; }
  .hero-copy { max-width: 680px; }
  .hero-screen { width: min(72vw, 360px); justify-self: center; }
  .screen-tour { grid-template-columns: 1fr; }
  .tour-preview > img { width: min(100%, 560px); }
  .compatibility-record { grid-template-columns: 1fr 1fr; }
  .compatibility-record > div:nth-child(2) { border-right: 0; }
  .compatibility-record > div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--line); }
  .site-footer { grid-template-columns: auto 1fr; padding-block: 36px; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
  .footer-links { justify-self: end; }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer,
  .hero,
  .section,
  .prose-page { width: min(calc(100% - 30px), var(--max)); }

  .site-header { min-height: 56px; padding-inline: 14px; }
  .site-header nav { gap: 14px; }
  .site-header nav a { display: none; }
  .site-header nav a:last-child { display: inline; }
  .hero { padding: 38px 20px; }
  h1 { max-width: 14ch; font-size: clamp(2.45rem, 12vw, 3.55rem); }
  .hero-screen { width: min(88vw, 360px); }
  .section { padding: 38px 20px; }
  .section-heading { margin-bottom: 24px; }
  .capability-list { grid-template-columns: 1fr; }
  .screen-tour { gap: 24px; }
  .tour-index { grid-template-columns: 1fr 1fr; }
  .tour-index button {
    min-height: 44px;
    padding-inline: 9px;
    border-right: 1px solid var(--line);
    font-size: .82rem;
  }
  .tour-index button:nth-child(2n) { border-right: 0; }
  .tour-index button:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }
  .compatibility-record { grid-template-columns: 1fr; }
  .compatibility-record > div { border-right: 0; border-top: 1px solid var(--line); }
  .compatibility-record > div:first-child { border-top: 0; }
  .compatibility-record > div:last-child { grid-column: auto; }
  .project { grid-template-columns: 1fr; align-items: start; }
  .site-footer { grid-template-columns: 1fr; padding: 28px 20px; }
  .site-footer > p { grid-column: auto; grid-row: auto; }
  .footer-links { justify-self: start; justify-content: flex-start; }
  .consent { right: 15px; bottom: 15px; width: calc(100vw - 30px); grid-template-columns: 1fr; }
  .consent-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .prose-grid { grid-template-columns: 1fr; margin-top: 48px; gap: 34px; }
}

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