:root {
  color-scheme: light;
  --bg: #f6f6f2;
  --surface: #ffffff;
  --ink: #151515;
  --muted: #5b5b55;
  --line: #d7d7cd;
  --accent: #0f766e;
  --accent-dark: #0b4f49;
  --warn: #9a3412;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

main {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.02;
}

h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

p,
li,
td,
th,
textarea,
button,
a {
  font-size: 16px;
  line-height: 1.55;
}

.lead {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
}

section {
  margin-top: 24px;
}

.tool,
article,
.cta,
.result {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

textarea {
  width: 100%;
  min-height: 150px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  resize: vertical;
  font-family: Menlo, Consolas, monospace;
}

.actions {
  display: flex;
  gap: 10px;
  margin: 12px 0;
}

button,
.cta a {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}

button + button {
  background: #fff;
  color: var(--accent-dark);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.result {
  margin-top: 12px;
}

.result h3 {
  margin: 0 0 8px;
}

.result ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.severity {
  color: var(--warn);
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  background: #ebeee7;
}

.steps {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 18px 18px 38px;
}

.faq-list {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.sources a {
  color: var(--accent-dark);
}

@media (max-width: 720px) {
  main {
    width: min(100% - 24px, 980px);
    padding-top: 28px;
  }

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

  .actions {
    flex-direction: column;
  }
}