/* ZOPP legal/support site — shared styles
   Served at domain root, so absolute /styles.css path works on any static host. */

:root {
  --green: #18a957;
  --green-dark: #0f7d40;
  --ink: #1a1a1a;
  --muted: #5b6470;
  --line: #e6e8eb;
  --bg: #ffffff;
  --bg-soft: #f6f8f7;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Public Sans",
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

a { color: var(--green-dark); }
a:hover { color: var(--green); }

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--green-dark);
  text-decoration: none;
}
.brand span { color: var(--ink); font-weight: 500; font-size: 14px; }
.nav { margin-left: auto; display: flex; gap: 18px; }
.nav a {
  text-decoration: none;
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover, .nav a.active { color: var(--green-dark); }

/* Content */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 20px 80px;
}
h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
h2 {
  font-size: 21px;
  margin: 38px 0 10px;
  letter-spacing: -0.01em;
}
h3 { font-size: 17px; margin: 22px 0 6px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.lede { font-size: 18px; color: var(--muted); margin: 16px 0 0; }
p, ul, ol { margin: 12px 0; }
li { margin: 6px 0; }

.toc {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 22px;
  margin: 28px 0;
}
.toc strong { display:block; margin-bottom: 6px; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.toc ul { columns: 2; margin: 0; padding-left: 18px; }
@media (max-width: 560px){ .toc ul { columns: 1; } }

/* Support cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
@media (max-width: 560px){ .cards { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  background: var(--bg-soft);
}
.card h3 { margin-top: 0; }
.card .big { font-size: 19px; font-weight: 700; }
.card a { font-weight: 700; text-decoration: none; word-break: break-word; }

.callout {
  border-left: 4px solid var(--green);
  background: var(--bg-soft);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  margin: 18px 0;
}

details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px;
  margin: 10px 0;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
details[open] summary::after { content: "–"; }
details[open] summary { border-bottom: 1px solid var(--line); }

footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
footer .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 20px;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--green-dark); }
footer .spacer { margin-left: auto; }