:root {
  --bg: #f3efe6;
  --ink: #102a43;
  --muted: #5a7184;
  --panel: #fffdfa;
  --accent: #d6451b;
  --accent-ink: #ffffff;
  --line: #d8d1c4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 10% 15%, #fdf7ec 0%, var(--bg) 40%, #ebe4d8 100%);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.hero {
  background: linear-gradient(130deg, #ffffff 0%, #f9f4ea 70%, #f7e9db 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(16, 42, 67, 0.08);
}

.eyebrow {
  margin: 0 0 8px;
  color: #8a3b22;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  line-height: 1.12;
}

.lead {
  margin: 14px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 700;
}

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

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}

.btn.tip {
  background: #fff;
  border: 1px solid #e7c99f;
  color: #8a3b22;
}

.tiny {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.84rem;
}

.process {
  margin-top: 18px;
  background: #fefbf5;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.paid-proof-case {
  margin-top: 14px;
  border: 1px solid #d9c9aa;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fffdf7 0%, #fdf7e9 100%);
}

.paid-proof-case p {
  margin: 10px 0 0;
  color: #4f3921;
}

.proof-links {
  margin: 12px 0 0;
  padding-left: 18px;
}

.proof-links li + li {
  margin-top: 8px;
}

.proof-links a {
  color: #8a3b22;
  font-weight: 600;
}

.signal {
  margin-top: 14px;
  border: 1px solid #e7c99f;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff8ec 0%, #fff3df 100%);
}

.signal p {
  margin: 10px 0 0;
  color: #51341d;
}

.checklist {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #2f3e4e;
}

.checklist li + li {
  margin-top: 8px;
}

.signal-note {
  margin-top: 12px;
  font-weight: 600;
  color: #8a3b22;
}

.no-install {
  margin-top: 14px;
  border: 1px solid #e7c99f;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff8ec 0%, #fff0dd 100%);
}

.no-install p {
  margin: 10px 0 0;
  color: #51341d;
}

.diag-form {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.diag-form label {
  display: grid;
  gap: 6px;
  color: #2f3e4e;
  font-size: 0.92rem;
  font-weight: 600;
}

.diag-form input,
.diag-form select,
.diag-form textarea {
  border: 1px solid #e2d4bf;
  border-radius: 8px;
  padding: 10px;
  font: inherit;
  color: #102a43;
  background: #fff;
}

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

.diag-inline {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.diag-checkbox {
  align-items: center;
  grid-template-columns: auto 1fr;
  gap: 8px;
}

.diag-checkbox input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.diag-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.diag-error {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid #f3a7a7;
  border-radius: 10px;
  background: #fff1f1;
  color: #8f1f1f;
  font-weight: 600;
}

.diag-summary {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid #f0c087;
  border-radius: 10px;
  background: #fffdf9;
  color: #4b2d16;
  font-weight: 600;
}

.diag-result {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid #e6d5bc;
  border-radius: 10px;
  background: #fffdfa;
  max-height: 360px;
  overflow: auto;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.83rem;
  line-height: 1.45;
  color: #1f2933;
}

.hidden {
  display: none;
}

.tools {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: #fefbf5;
}

.tool-grid {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.tool-card {
  border: 1px solid #e3dbcf;
  border-radius: 12px;
  background: #fff;
  padding: 14px;
}

.tool-card h3 {
  margin: 0;
  font-size: 1rem;
}

.tool-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.tool-card a {
  margin-top: 10px;
  display: inline-block;
  color: #8a3b22;
  font-weight: 700;
  text-decoration: none;
}

.field-note {
  margin-top: 14px;
  border: 1px solid #f0c087;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff7eb 0%, #fff1da 100%);
}

.field-note p {
  margin: 10px 0 0;
  color: #4b2d16;
}

.code-block {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #e9d4b7;
  background: #fffdf9;
  overflow-x: auto;
}

.field-note-tip {
  font-weight: 600;
  color: #7a3217;
}

.mono {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.9rem;
  color: #1f2933;
}

.step-grid {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.step {
  border: 1px solid #e3dbcf;
  border-radius: 12px;
  background: #fff;
  padding: 14px;
}

.step h3 {
  margin: 0;
  font-size: 1rem;
}

.step p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.tip-path {
  margin-top: 14px;
  border: 1px solid #e7c99f;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff9ef 0%, #fff3df 100%);
}

.tip-path p {
  margin: 8px 0 0;
  color: #51341d;
}

.tip-path .btn {
  margin-top: 12px;
}

.paid-intake {
  margin-top: 14px;
  border: 1px solid #d6b58a;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff9ef 0%, #ffeed3 100%);
}

.paid-intake p {
  margin: 10px 0 0;
  color: #4b2d16;
}

.paid-scope {
  margin-top: 14px;
  border: 1px solid #d6b58a;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(180deg, #fff8ec 0%, #ffeacc 100%);
}

.paid-scope p {
  margin: 10px 0 0;
  color: #4b2d16;
}

.card-grid {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #243b53;
}

li + li {
  margin-top: 8px;
}

.examples {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: #fcf8ee;
}

.proof {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: #fefcf7;
}

.proof p {
  margin: 8px 0 0;
  color: var(--muted);
}

@media (max-width: 640px) {
  .hero {
    padding: 22px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .diag-actions .btn {
    width: auto;
  }
}