:root {
  color-scheme: light;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f0eee8;
  --ink: #171817;
  --ink-2: #575a55;
  --ink-3: #858980;
  --line: rgba(24, 26, 24, 0.12);
  --accent: #155b82;
  --accent-2: #2f7d65;
  --warn: #9a5b16;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 0 32px;
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--ink-2);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.hero {
  min-height: calc(100svh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 500px);
  gap: 56px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 64px 32px 92px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(46px, 8vw, 84px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 34px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.lede {
  max-width: 640px;
  color: var(--ink-2);
  font-size: 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  color: var(--ink-3);
  font-size: 13px;
}

.hero-visual {
  align-self: stretch;
  display: grid;
  align-items: center;
}

.app-window {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(21, 27, 23, 0.14);
  overflow: hidden;
}

.traffic {
  display: flex;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.traffic span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #ff6057;
}

.traffic span:nth-child(2) {
  background: #ffbd2e;
}

.traffic span:nth-child(3) {
  background: #28c840;
}

.preview-body {
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 360px;
}

.preview-sidebar {
  padding: 24px 16px;
  background: #f3f1eb;
  border-right: 1px solid var(--line);
}

.preview-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-weight: 700;
}

.preview-logo img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.preview-nav {
  display: grid;
  gap: 9px;
}

.preview-nav span {
  height: 30px;
  border-radius: 7px;
  background: rgba(23, 24, 23, 0.08);
}

.preview-nav span:first-child {
  background: rgba(21, 91, 130, 0.16);
}

.preview-main {
  padding: 32px;
}

.rewrite-panel {
  display: grid;
  gap: 16px;
}

.line {
  height: 12px;
  border-radius: 999px;
  background: var(--surface-2);
}

.line.short {
  width: 54%;
}

.rewrite-result {
  margin-top: 10px;
  padding: 18px;
  border-left: 3px solid var(--accent-2);
  background: #f7fbf8;
  border-radius: var(--radius);
  color: var(--ink-2);
}

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 72px 32px;
}

.band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card p,
.page-copy p,
.page-copy li {
  color: var(--ink-2);
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 78px 32px;
}

.page h1 {
  font-size: 52px;
}

.page-copy {
  display: grid;
  gap: 24px;
}

.download-panel {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.download-status {
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 14px;
}

.fine-print {
  color: var(--ink-3);
  font-size: 13px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding: 32px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 820px) {
  .site-header {
    padding: 0 18px;
  }

  .nav {
    gap: 12px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 44px 20px 64px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .preview-body {
    grid-template-columns: 96px 1fr;
  }

  .preview-main {
    padding: 24px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .section,
  .page {
    padding-left: 20px;
    padding-right: 20px;
  }
}