/* No-KYC Swap Guide — mobile-first, plain CSS, no frameworks, system fonts only */
:root {
  --bg: #ffffff;
  --ink: #18211a;
  --muted: #57615a;
  --accent: #008a4e;          /* text-safe dark green */
  --accent-bright: #00c26f;   /* brand green (matches ChangeNOW widget primaryColor) */
  --accent-soft: #e9f8f0;
  --line: #dfe5e0;
  --card: #f7faf8;
  --warn-bg: #fff7e6;
  --warn-line: #e8c46a;
  --radius: 10px;
  --maxw: 46rem;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-text-size-adjust: 100%;
}

/* ---- layout ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.1rem; }
main { padding: 1.5rem 0 3rem; }

/* ---- header / nav ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand span { color: var(--accent); }
nav.site-nav { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.95rem; }
nav.site-nav a { color: var(--muted); text-decoration: none; }
nav.site-nav a:hover, nav.site-nav a:focus { color: var(--accent); text-decoration: underline; }

/* ---- hero ---- */
.hero { padding: 2.2rem 0 1.6rem; }
.hero h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.8rem; letter-spacing: -0.01em; }
.hero .lede { font-size: 1.15rem; color: var(--muted); margin: 0 0 1.2rem; max-width: 38rem; }
.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

/* ---- buttons / CTAs ---- */
.btn-row { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1rem 0; }
.btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--accent);
  font-size: 1rem;
}
.btn-primary { background: var(--accent-bright); border-color: var(--accent-bright); color: #06281a; }
.btn-primary:hover, .btn-primary:focus { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover, .btn-ghost:focus { background: var(--accent-soft); }

.aff-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.4rem 0 1.4rem;
}
.aff-note a { color: var(--accent); }

/* ---- widget ---- */
.widget-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  margin: 1.2rem 0 0.4rem;
}
.widget-box iframe { display: block; }

/* ---- tables ---- */
.table-scroll { overflow-x: auto; margin: 1rem -1.1rem; padding: 0 1.1rem; }
table.compare {
  border-collapse: collapse;
  width: 100%;
  min-width: 42rem;
  font-size: 0.95rem;
  margin: 1rem 0;
}
table.compare caption { text-align: left; font-weight: 700; padding-bottom: 0.5rem; }
table.compare th, table.compare td {
  text-align: left;
  padding: 0.65rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.compare thead th {
  background: var(--accent-soft);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
table.compare tbody th { font-weight: 700; }
.pick { color: var(--accent); font-weight: 700; }

/* ---- cards ---- */
.exchange-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
  margin: 1.6rem 0;
  background: #fff;
}
.exchange-card h2 { margin: 0 0 0.3rem; font-size: 1.45rem; }
.exchange-card h2 a { color: var(--ink); text-decoration: none; }
.exchange-card h2 a:hover { text-decoration: underline; }
.fact-list { list-style: none; padding: 0; margin: 0.8rem 0; }
.fact-list li { padding: 0.35rem 0; border-bottom: 1px dotted var(--line); font-size: 0.97rem; }
.fact-list li:last-child { border-bottom: none; }
.fact-list strong { display: inline-block; min-width: 7.5rem; }
.pros-cons { display: grid; gap: 0.8rem; margin: 0.8rem 0; }
.pros-cons h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.pros-cons ul { margin: 0; padding-left: 1.2rem; font-size: 0.97rem; }
.verdict {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent-bright);
  padding: 0.8rem 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1rem 0 0;
  font-size: 0.97rem;
}

/* ---- steps ---- */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 1.2rem 0; }
.steps li {
  counter-increment: step;
  padding: 1rem 1rem 1rem 3.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
  position: relative;
  background: #fff;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 1rem; top: 1rem;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: var(--accent-bright);
  color: #06281a;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.steps h3 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.steps p { margin: 0; font-size: 0.97rem; }

/* ---- FAQ ---- */
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.7rem;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+ "; color: var(--accent); font-weight: 800; }
.faq details[open] summary::before { content: "– "; }
.faq details > div { padding: 0 1.1rem 1rem; font-size: 0.97rem; }
.faq p { margin: 0.4rem 0; }

/* ---- callouts ---- */
.callout {
  border: 1px solid var(--warn-line);
  background: var(--warn-bg);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
  font-size: 0.97rem;
}
.callout strong:first-child { display: block; margin-bottom: 0.2rem; }
.note { font-size: 0.88rem; color: var(--muted); }
.est { font-style: italic; }

/* ---- prose ---- */
h2 { font-size: 1.55rem; margin: 2.2rem 0 0.7rem; line-height: 1.3; }
h3 { font-size: 1.2rem; margin: 1.6rem 0 0.5rem; }
p { margin: 0.7rem 0; }
ul, ol { padding-left: 1.3rem; }
li { margin: 0.3rem 0; }
a { color: var(--accent); }
a:hover { color: #056538; }
hr { border: none; border-top: 1px solid var(--line); margin: 2rem 0; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1.2rem 0; }
.toc p { font-weight: 700; margin: 0 0 0.4rem; }
.toc ul { margin: 0; }
.breadcrumb { font-size: 0.88rem; color: var(--muted); margin-bottom: 0.6rem; }
.breadcrumb a { color: var(--muted); }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 1.6rem 0 2.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer nav { display: flex; gap: 1.1rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.site-footer nav a { color: var(--accent); text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }
.site-footer p { margin: 0.3rem 0; max-width: 40rem; }

/* ---- larger screens ---- */
@media (min-width: 44rem) {
  .hero h1 { font-size: 2.6rem; }
  .pros-cons { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---- support / tip jar ---- */
.donate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.donate-card { border: 1px solid #e2e2e2; border-radius: 10px; padding: 1rem 1.1rem; background: #fbfbfb; }
.donate-card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.donate-card .addr { font-family: ui-monospace, monospace; font-size: 0.78rem; word-break: break-all; background: #fff; border: 1px solid #e8e8e8; border-radius: 6px; padding: 0.5rem 0.6rem; margin: 0.5rem 0; }
.donate-card img.qr { width: 120px; height: 120px; margin: 0.4rem 0; }
.donate-card p.note { font-size: 0.88rem; color: #555; margin: 0.4rem 0 0.6rem; }
.copy-btn { font: inherit; font-size: 0.85rem; padding: 0.35rem 0.8rem; border-radius: 6px; border: 1px solid #00C26F; background: #fff; color: #00C26F; cursor: pointer; }
.copy-btn:hover { background: #00C26F; color: #fff; }