:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #151b22;
  --panel-2: #202833;
  --text: #f2f4f8;
  --muted: #aab4c0;
  --line: #34404d;
  --accent: #42e8b4;
  --warn: #ffcc66;
  --danger: #ff5c7a;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.15;
}

.brand strong {
  font-size: 16px;
  letter-spacing: 0;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
}

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

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

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

.hero {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 46px;
  align-items: center;
  padding: 46px 0 58px;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 84px);
}

h2 {
  margin: 0 0 18px;
  font-size: 32px;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

p {
  color: var(--muted);
}

.hero-lede {
  margin: 24px 0 30px;
  font-size: 18px;
  max-width: 620px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.button,
button {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 8px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #06100d;
}

.button:hover,
button:hover {
  transform: translateY(-1px);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel);
}

.stat strong {
  display: block;
  font-size: 18px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.band {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 64px 0;
}

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.tool-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--panel);
}

.card p,
.tool-panel p {
  margin-bottom: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.list li {
  border-left: 3px solid var(--accent);
  padding: 10px 0 10px 14px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #0a0e13;
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.result {
  margin-top: 18px;
  border: 1px solid rgba(66, 232, 180, 0.42);
  border-radius: 8px;
  padding: 18px;
  background: rgba(66, 232, 180, 0.08);
}

.checklist {
  display: grid;
  gap: 10px;
  margin: 20px 0;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--panel);
  color: var(--text);
}

.check-item input {
  width: 18px;
  min-height: 18px;
}

.notice {
  border: 1px solid rgba(255, 204, 102, 0.5);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 204, 102, 0.08);
  color: var(--warn);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 30px 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 880px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .grid,
  .form-grid,
  .stat-row {
    grid-template-columns: 1fr;
  }
}