:root {
  color-scheme: light;
  --background: #f6f8f5;
  --surface: #ffffff;
  --surface-soft: #eef4eb;
  --text: #172116;
  --muted: #60715b;
  --border: #d7e0d1;
  --primary: #2e7d32;
  --accent: #9b6f23;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
}
a {
  color: inherit;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(246, 248, 245, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

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

.brand small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.brand img {
  width: 34px;
  height: 34px;
}

.topbar nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.topbar nav a {
  text-decoration: none;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 32px;
  align-items: end;
  padding: clamp(40px, 8vw, 88px) clamp(18px, 4vw, 56px) 36px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #ffffff 0%, #edf5ec 58%, #f7f1e6 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
}
h1 {
  max-width: 760px;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
}

.hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 340px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
  padding: 32px clamp(18px, 4vw, 56px) 56px;
}

.hero-panel,
.sidebar,
.doc-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.hero-panel {
  padding: 22px;
  box-shadow: 0 18px 48px rgba(30, 49, 27, 0.08);
}

.hero-panel label {
  display: block;
  margin-bottom: 10px;
  font-weight: 750;
}

.hero-panel input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

.left-column {
  position: sticky;
  top: 84px;
  display: grid;
  gap: 16px;
  min-width: 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
}
.sidebar strong {
  padding: 2px 8px 8px;
}
.sidebar a {
  padding: 10px 12px;
  color: var(--muted);
  line-height: 1.3;
  text-decoration: none;
  border-radius: 6px;
}
.sidebar a:hover {
  color: var(--text);
  background: var(--surface-soft);
}
.sidebar a.is-active {
  color: var(--text);
  background: var(--surface-soft);
  box-shadow: inset 3px 0 0 var(--primary);
}

.content {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.doc-section {
  min-width: 0;
  padding: clamp(22px, 4vw, 34px);
}

.support-card h2 {
  font-size: 1.2rem;
}

.is-hidden {
  display: none;
}
