/* CowNinja tip hub */
:root {
  --ink: #0c1222;
  --muted: #4b5568;
  --line: #e5e7eb;
  --bg: #f6f7fb;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-ink: #134e4a;
  --warm: #c2410c;
  --soft: #ecfdf5;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); }
a:hover { color: var(--accent-ink); }
.wrap { max-width: 920px; margin: 0 auto; padding: 1.25rem 1.1rem 3.5rem; }
header.site {
  display: flex; flex-wrap: wrap; gap: .75rem 1.25rem;
  align-items: center; justify-content: space-between;
  padding: 1rem 0 1.25rem; border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}
.brand { font-weight: 800; letter-spacing: -.02em; font-size: 1.15rem; text-decoration: none; color: var(--ink); }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: .85rem; font-size: .95rem; }
nav a { text-decoration: none; color: var(--muted); font-weight: 600; }
nav a:hover { color: var(--accent); }
.hero {
  background: linear-gradient(145deg, #0f766e 0%, #115e59 45%, #0c4a6e 100%);
  color: #ecfeff; border-radius: 18px; padding: 1.75rem 1.4rem;
  box-shadow: 0 12px 30px rgba(15, 118, 110, .22);
}
.hero h1 { margin: 0 0 .5rem; font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.15; }
.hero p { margin: 0 0 1.1rem; max-width: 38rem; opacity: .95; }
.cta-row { display: flex; flex-wrap: wrap; gap: .65rem; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  border-radius: 999px; padding: .7rem 1.15rem; border: 2px solid transparent;
}
.btn-primary { background: #fff; color: var(--accent-ink); }
.btn-primary:hover { background: #f0fdfa; color: var(--accent-ink); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.grid { display: grid; gap: 1rem; margin: 1.5rem 0; }
@media (min-width: 720px) { .grid.cols-3 { grid-template-columns: repeat(3, 1fr); } .grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.05rem 1.1rem; box-shadow: 0 1px 0 rgba(15,23,42,.03);
}
.card h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.tag {
  display: inline-block; font-size: .68rem; font-weight: 800; letter-spacing: .05em;
  text-transform: uppercase; background: var(--soft); color: var(--accent-ink);
  border-radius: 999px; padding: .2rem .55rem; margin-bottom: .55rem;
}
h2 { font-size: 1.35rem; margin: 2rem 0 .75rem; }
.lead { color: var(--muted); margin: 0 0 1rem; max-width: 40rem; }
.list { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.list li { margin: .35rem 0; }
.price {
  display: flex; flex-wrap: wrap; gap: .75rem; margin: 1rem 0;
}
.price .card { flex: 1 1 240px; }
.price strong { font-size: 1.35rem; color: var(--ink); }
.note { font-size: .85rem; color: var(--muted); }
.tip-body { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem 1.2rem; }
.tip-body h1 { margin-top: 0; font-size: 1.55rem; }
.tip-body ol, .tip-body ul { color: var(--muted); }
.tip-body li { margin: .4rem 0; }
.callout {
  background: #fff7ed; border: 1px solid #fed7aa; border-radius: 12px;
  padding: .9rem 1rem; margin: 1rem 0; color: #9a3412;
}
footer.site {
  margin-top: 2.75rem; padding-top: 1.25rem; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .88rem;
}
.breadcrumb { font-size: .88rem; color: var(--muted); margin-bottom: 1rem; }
.breadcrumb a { text-decoration: none; font-weight: 600; }