:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #5f6b64;
  --line: #dbe3dc;
  --paper: #f7f8f4;
  --panel: #ffffff;
  --accent: #1f7a4d;
  --accent-dark: #145c3a;
  --gold: #c48b26;
  --blue: #315d96;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 248, 244, 0.94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 800;
  font-size: 24px;
  text-decoration: none;
  letter-spacing: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.hero {
  min-height: 54vh;
  display: grid;
  align-content: end;
  gap: 36px;
  padding: 72px clamp(18px, 5vw, 72px) 32px;
  background:
    linear-gradient(135deg, rgba(31,122,77,.9), rgba(49,93,150,.82)),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: #fff;
}

.article-hero {
  padding: 72px clamp(18px, 5vw, 72px) 52px;
  background:
    linear-gradient(135deg, rgba(23,32,27,.88), rgba(31,122,77,.78)),
    url("https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: #fff;
}

.article-hero .lede {
  max-width: 760px;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 10px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 88px);
  line-height: .95;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  font-size: clamp(18px, 2.3vw, 24px);
  line-height: 1.45;
  margin: 22px 0 0;
}

.metric-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.metric-strip span {
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(255,255,255,.14);
  padding: 10px 14px;
  border-radius: 8px;
}

.tool-shell {
  display: grid;
  grid-template-columns: minmax(280px, .95fr) minmax(300px, 1.05fr);
  gap: 24px;
  padding: 28px clamp(18px, 5vw, 72px) 56px;
}

.editor,
.preview-panel,
.recommendation {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.editor {
  display: grid;
  gap: 16px;
  padding: 22px;
}

label span,
.label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 7px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #c9d4cc;
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

textarea {
  min-height: 112px;
  resize: vertical;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button,
.text-link {
  border: 0;
  border-radius: 6px;
  padding: 12px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

button.secondary {
  background: #eef4ef;
  color: var(--accent-dark);
}

.preview-panel {
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 18px;
}

.serp-preview {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  min-height: 150px;
}

.serp-url {
  color: #202124;
  font-size: 14px;
  margin-bottom: 5px;
}

.serp-title {
  color: #1a0dab;
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 6px;
}

.serp-desc {
  color: #4d5156;
  line-height: 1.45;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.score-grid div {
  background: #f4f7f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  min-height: 82px;
}

.score-grid strong {
  font-size: 18px;
}

.suggestions {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.content-band {
  padding: 56px clamp(18px, 5vw, 72px);
  background: #fff;
}

.content-band.alt {
  background: #eef2ed;
}

.links-band {
  border-top: 1px solid var(--line);
}

.page-links {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.page-links a {
  display: grid;
  gap: 8px;
  background: #f7f8f4;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  text-decoration: none;
}

.page-links span {
  color: var(--muted);
  line-height: 1.55;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
  gap: 32px;
  max-width: 1160px;
  margin: 0 auto;
}

.answer-box {
  max-width: 1160px;
  margin: 0 auto;
  background: #f7f8f4;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  padding: 22px;
}

.answer-box.compact {
  margin: 0 0 28px;
}

.answer-box h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
}

.answer-box p:last-child {
  margin-bottom: 0;
}

article h2,
.recommendation h2,
.faq-wrap h2 {
  font-size: clamp(26px, 4vw, 42px);
  margin: 0 0 16px;
}

article h3 {
  font-size: 22px;
  margin-top: 28px;
}

article p,
article li,
.recommendation p,
details p,
footer {
  color: var(--muted);
  line-height: 1.7;
}

.recommendation {
  padding: 22px;
  align-self: start;
}

.recommendation .text-link {
  margin-top: 8px;
  background: var(--blue);
}

.recommendation .secondary-link {
  background: var(--accent);
  margin-left: 8px;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 28px;
}

.payment-item,
.wallet-address {
  background: #f7f8f4;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.payment-item strong {
  display: block;
  font-size: 22px;
}

.wallet-address {
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}

.payment-form {
  display: grid;
  gap: 14px;
  margin: 18px 0 28px;
  background: #f7f8f4;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.hidden-field {
  display: none;
}

.directory-toolbar {
  max-width: 1160px;
  margin: 0 auto 22px;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(220px, 320px);
  gap: 14px;
  align-items: end;
}

.tool-directory-grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.tool-card h2 {
  font-size: 24px;
  margin: 0;
}

.tool-card p {
  margin: 0;
}

.tool-card dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.tool-card dl div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.tool-card dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
}

.tool-card dd {
  margin: 3px 0 0;
  color: var(--ink);
}

.tool-card .text-link {
  margin-top: 4px;
  justify-self: start;
}

.muted,
.empty-state {
  color: var(--muted);
}

.empty-state {
  grid-column: 1 / -1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0;
  padding: 18px;
}

.conversion-panel {
  border-left: 5px solid var(--gold);
}

.faq-wrap {
  max-width: 940px;
  margin: 0 auto;
}

.policy-page {
  background: #fff;
}

.policy-article {
  max-width: 860px;
  margin: 0 auto;
}

.policy-article h1 {
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1.05;
  margin-bottom: 18px;
}

.policy-article h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-top: 34px;
}

.policy-article address {
  color: var(--muted);
  font-style: normal;
  line-height: 1.7;
}

details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 12px 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

footer {
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #fff;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-shell,
  .content-grid,
  .directory-toolbar,
  .tool-directory-grid,
  .page-links,
  .payment-grid {
    grid-template-columns: 1fr;
  }

  .score-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    min-height: 58vh;
  }

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

  button {
    width: 100%;
  }
}