:root {
  color-scheme: light;
  --ink: #202020;
  --paper: #fffdf7;
  --paper-warm: #f4ead8;
  --paper-green: #e7f4dd;
  --paper-blue: #e6f0ff;
  --paper-pink: #f6e7f2;
  --muted: #4b4b4b;
  --accent: #135cff;
  --shadow: rgba(32, 32, 32, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--paper-warm);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: 18px;
  top: 18px;
  transform: translateY(-140%);
  z-index: 3;
  padding: 8px 12px;
  border: 3px solid var(--ink);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
}

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

.home-stack {
  width: min(900px, calc(100% - 64px));
  margin: 0 auto;
  padding: 32px 0 56px;
  display: grid;
  gap: 28px;
}

.sketch-board {
  border: 4px solid var(--ink);
  border-radius: 48px;
  box-shadow: 5px 6px 0 var(--shadow);
}

.landing-board {
  min-height: min(620px, calc(100dvh - 96px));
  display: flex;
  flex-direction: column;
  padding: 30px 34px 44px;
  background: var(--paper);
}

.board-nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.brand-word {
  color: var(--ink);
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  line-height: 1;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  color: var(--ink);
  font-size: clamp(1rem, 1.7vw, 1.32rem);
  font-weight: 700;
  white-space: nowrap;
  margin-left: auto;
  text-align: right;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.landing-center {
  flex: 1;
  min-height: 390px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 22px;
  text-align: center;
}

.hero-mark {
  width: clamp(122px, 12vw, 146px);
  height: auto;
}

.landing-center h1 {
  max-width: 980px;
  margin: 0;
  display: grid;
  gap: 4px;
  font-size: clamp(1.58rem, 2.25vw, 1.95rem);
  line-height: 1.34;
  font-weight: 700;
}

.hero-main,
.hero-support {
  display: block;
}

.hero-support {
  color: var(--muted);
  font-size: 0.82em;
  line-height: 1.42;
}

.beta-button {
  appearance: none;
  min-height: 58px;
  padding: 10px 28px;
  border: 4px solid var(--ink);
  border-radius: 20px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  font-weight: 700;
  cursor: not-allowed;
}

.beta-button:disabled {
  border-color: #77746b;
  background: #ece8dc;
  color: #77746b;
}

.features-board {
  padding: 28px;
  background: var(--paper-green);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  --feature-icon-size: 46px;
  --feature-title-offset: 64px;
  position: relative;
  min-height: 214px;
  padding: 24px 22px;
  border: 3px solid var(--ink);
  border-radius: 36px;
  background: var(--paper);
}

.feature-card h3 {
  min-height: var(--feature-icon-size);
  display: flex;
  align-items: center;
  margin: 0 0 18px var(--feature-title-offset);
  font-size: clamp(1.24rem, 1.55vw, 1.58rem);
  line-height: 1.12;
}

.feature-card p {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1rem, 1.28vw, 1.18rem);
  line-height: 1.35;
}

.feature-icon {
  position: absolute;
  left: 22px;
  top: 22px;
  width: var(--feature-icon-size);
  height: var(--feature-icon-size);
  border: 3px solid var(--ink);
  border-radius: 14px;
  padding: 7px;
  background: var(--paper);
  color: var(--ink);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.feature-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 0.58fr);
  align-items: start;
  gap: 22px;
}

.screenshot-slot {
  min-height: 222px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 3px solid var(--ink);
  border-radius: 34px;
  overflow: hidden;
  background: #050505;
}

.screenshot-slot img {
  width: min(100%, 174px);
  height: auto;
  border-radius: 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-header {
  width: min(900px, calc(100% - 64px));
  margin: 36px auto 0;
}

.site-nav {
  padding: 24px 4px;
}

.text-page {
  background: var(--paper);
}

.faq-page {
  background: var(--paper-blue);
}

.privacy-page {
  background: var(--paper-pink);
}

.text-board {
  scroll-margin-top: 28px;
  padding: clamp(28px, 5vw, 54px);
  background: var(--paper);
}

.faq-board {
  background: var(--paper-blue);
}

.privacy-board {
  background: var(--paper-pink);
}

.text-board > h2,
.sheet-title h2 {
  margin: 0 0 30px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
}

.text-sheet {
  width: min(900px, calc(100% - 64px));
  margin: 28px auto 76px;
  padding: clamp(28px, 5vw, 54px);
  background: var(--paper);
  border: 5px solid var(--ink);
  border-radius: 44px;
  box-shadow: 6px 7px 0 var(--shadow);
}

.sheet-title h1 {
  margin: 0 0 30px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
}

.sheet-title p {
  max-width: 76ch;
  margin: 0 0 12px;
  color: var(--ink);
}

.sheet-title .updated {
  color: var(--muted);
}

.qa-list {
  display: grid;
  gap: 32px;
  max-width: 980px;
}

.qa-item h2,
.qa-item h3,
.qa-item p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.45;
  font-weight: 700;
}

.qa-item p {
  max-width: 82ch;
  font-weight: 500;
}

.qa-item span {
  font-weight: 800;
}

.legal-layout {
  display: grid;
  gap: 28px;
  max-width: 940px;
}

.legal-section {
  padding-top: 24px;
  border-top: 4px solid var(--ink);
}

.legal-section h2,
.legal-section h3 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 1.2;
}

.legal-section p,
.legal-section li {
  margin: 0;
  color: var(--ink);
}

.legal-section p + p {
  margin-top: 12px;
}

.legal-section ul {
  margin: 0;
  padding-left: 1.2rem;
}

.legal-section li + li {
  margin-top: 8px;
}

.site-footer {
  width: min(900px, calc(100% - 64px));
  margin: 0 auto 36px;
  color: var(--ink);
}

.footer-inner {
  display: flex;
  justify-content: flex-start;
  gap: 22px;
  padding: 0 4px;
  font-size: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 900px) {
  body {
    font-size: 16px;
  }

  .home-stack,
  .site-header,
  .text-sheet,
  .site-footer {
    width: min(100% - 24px, 720px);
  }

  .landing-board {
    min-height: auto;
    padding: 24px 22px 36px;
  }

  .board-nav {
    align-items: flex-start;
    flex-direction: row;
    gap: 12px;
  }

  .nav-links {
    width: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    font-size: clamp(0.82rem, 2.6vw, 1rem);
  }

  .landing-center {
    min-height: auto;
    padding: 62px 0 16px;
  }

  .feature-grid,
  .feature-wide {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: auto;
  }

  .feature-card {
    min-height: 230px;
  }

  .screenshot-slot {
    min-height: 180px;
  }
}

@media (max-width: 560px) {
  .home-stack {
    padding-top: 18px;
    gap: 20px;
  }

  .sketch-board,
  .text-sheet {
    border-width: 4px;
    border-radius: 30px;
    box-shadow: 4px 5px 0 var(--shadow);
  }

  .landing-board,
  .features-board,
  .text-board {
    padding: 20px 16px 28px;
  }

  .brand-word {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .nav-links {
    font-size: clamp(0.76rem, 3.1vw, 0.9rem);
    gap: 5px;
  }

  .landing-center h1 {
    font-size: 1.45rem;
  }

  .hero-support {
    font-size: 0.78em;
  }

  .beta-button {
    width: 100%;
    min-height: 62px;
    font-size: 1rem;
  }

  .feature-grid {
    gap: 18px;
  }

  .feature-card {
    --feature-icon-size: 48px;
    --feature-title-offset: 64px;
    padding: 22px 18px;
    border-width: 4px;
    border-radius: 26px;
  }

  .feature-card h3 {
    margin-bottom: 18px;
  }

  .feature-card p {
    font-size: 1.05rem;
  }

  .feature-icon {
    left: 18px;
    top: 18px;
  }

  .footer-inner {
    flex-direction: column;
  }
}