/* Marketplace Listing Assistant pages: same look as nikitakostin.com (dark, amber, Inter + Syne). */
:root {
  --bg: #070707; --bg-2: #0d0d0e; --card: #121214; --line: #232326; --ink: #f3f1ea; --muted: #a29f97; --faint: #77746d;
  --amber: #f5b301; --amber-2: #ffcf4d; --amber-soft: rgba(245, 179, 1, 0.12); --good: #6ad48a; --bad: #ff8a80;
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-padding-top: 84px; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font: 17px/1.65 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-2); text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(245, 179, 1, 0.35); color: #fff; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Top bar */
.top { position: sticky; top: 0; z-index: 10; background: rgba(7, 7, 7, 0.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.top nav { margin-left: auto; display: flex; gap: 22px; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--ink); text-decoration: none; }

/* Type */
h1, h2, h3 { font-family: Syne, Inter, sans-serif; letter-spacing: -0.01em; line-height: 1.1; }
h1 { font-size: clamp(36px, 5.5vw, 64px); font-weight: 800; margin: 18px 0 18px; }
h1 em { font-style: normal; color: var(--amber); }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin: 0 0 14px; }
h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; font-family: Inter, sans-serif; letter-spacing: 0; }
p { color: var(--muted); }
p + p { margin-top: 12px; }
strong, b { color: var(--ink); font-weight: 600; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--amber); }
.lead { font-size: 20px; max-width: 640px; }
.small { font-size: 14px; }
.muted { color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 16px; border: 1px solid var(--line); color: var(--ink); background: var(--card); }
.btn:hover { text-decoration: none; color: var(--ink); border-color: #3a3a3e; }
.btn.primary { background: var(--amber); color: #111; border-color: var(--amber); }
.btn.primary:hover { background: var(--amber-2); color: #111; }
.ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* Layout pieces */
section { padding: 72px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; padding-block: 64px 80px; }
.shot { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, .5); background: #fff; }
.shot img { display: block; width: 100%; height: auto; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card p { font-size: 16px; }
.steps { counter-reset: s; display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.steps .card::before { counter-increment: s; content: counter(s); display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--amber-soft); color: var(--amber); font-weight: 700; margin-bottom: 12px; }
.note { border: 1px solid rgba(245, 179, 1, .35); background: var(--amber-soft); border-radius: 14px; padding: 16px 18px; color: var(--ink); }
.note p { color: var(--ink); }
ul.clean, ol.clean { padding-left: 22px; color: var(--muted); }
ul.clean li, ol.clean li { margin: 6px 0; }
kbd { font: 13px ui-monospace, SFMono-Regular, Menlo, monospace; background: #1b1b1e; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; color: var(--ink); }
code { font: 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: #1b1b1e; border-radius: 5px; padding: 1px 5px; color: var(--ink); }

/* Help page: sidebar + article */
.doc { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding-block: 48px 80px; }
.toc { position: sticky; top: 88px; align-self: start; font-size: 15px; }
.toc a { display: block; color: var(--muted); padding: 5px 0; }
.toc a:hover { color: var(--ink); text-decoration: none; }
.toc .label { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); margin: 18px 0 6px; }
.toc .label:first-child { margin-top: 0; }
article h2 { font-size: 30px; margin-top: 56px; padding-top: 8px; }
article h2:first-of-type { margin-top: 8px; }
article h3 { margin-top: 28px; }
article p, article li { font-size: 17px; }
article ol, article ul { margin: 10px 0 0 22px; color: var(--muted); }
article li { margin: 7px 0; }
article li::marker { color: var(--amber); }
article .note { margin: 18px 0; }
article table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
article th, article td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--muted); }
article th { color: var(--ink); font-weight: 600; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--ink); }
details p, details ul, details ol { margin-top: 10px; }
.legal { max-width: 760px; padding-block: 48px 80px; }
.legal h2 { font-size: 22px; margin-top: 32px; font-family: Inter, sans-serif; letter-spacing: 0; }
.legal ul { margin: 8px 0 0 22px; color: var(--muted); }
.legal li { margin: 6px 0; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }

@media (max-width: 880px) {
  .hero, .doc { grid-template-columns: 1fr; }
  .grid, .steps { grid-template-columns: 1fr; }
  .toc { display: none; } /* the guide reads top to bottom on a phone */
  .brand { font-size: 15px; }
  .top nav a.hide-sm { display: none; }
  section { padding: 52px 0; }
}