:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #5f6877;
  --line: #e5e7eb;
  --soft: #eef4ff;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --ok: #0f766e;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, "SF Pro Display", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: inherit;
}

.page {
  min-height: 100vh;
}

.site-header,
.hero,
.section,
.footer {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 20px;
  height: 20px;
}

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

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: center;
  padding: 46px 0 34px;
}

.eyebrow {
  color: var(--ok);
  font-weight: 800;
  font-size: 14px;
  margin: 0 0 12px;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.button.secondary {
  background: var(--panel);
}

.mock {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mock-bar {
  display: flex;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-body {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  min-height: 300px;
}

.mock-list {
  border-right: 1px solid var(--line);
  padding: 14px;
  background: #fbfcfe;
}

.mock-item {
  height: 38px;
  border-radius: 9px;
  background: var(--soft);
  margin-bottom: 10px;
}

.mock-editor {
  padding: 20px;
  font-family: "SF Mono", ui-monospace, monospace;
  color: #334155;
  font-size: 14px;
  line-height: 1.8;
}

.section {
  padding: 28px 0;
}

.section h2 {
  margin: 0 0 16px;
  font-size: 28px;
  line-height: 1.2;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card,
.faq {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.card h3,
.faq h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p,
.faq p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.footer {
  padding: 30px 0 46px;
  color: var(--muted);
  font-size: 14px;
}

.landing-page {
  min-height: 100vh;
}

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

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.text-hero {
  display: block;
  padding: 48px 0 22px;
}

.subtitle {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.section-copy {
  display: grid;
  gap: 14px;
  padding: 18px 0 52px;
}

.content-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.content-block h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.3;
}

.content-block p {
  margin: 8px 0 0;
  color: var(--ink);
  line-height: 1.75;
}

.content-block .muted {
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 28px;
  }

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

  .mock-list {
    display: none;
  }
}