:root {
  --bg: #080808;
  --bg-panel: #121212;
  --bg-card: #1a1a1a;
  --ink: #f5f0e6;
  --ink-soft: #b8ad98;
  --gold: #d4af37;
  --gold-bright: #f5c842;
  --gold-dim: #9a7b2a;
  --border: #3d3420;
  --link: #e8c547;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  --radius: 4px;
  --max: 1160px;
  --header-h: 68px;
  --font: "Noto Sans SC", sans-serif;
  --font-display: "Oswald", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 56px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.85;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 40% at 50% -5%, rgba(212, 175, 55, 0.14), transparent),
    linear-gradient(180deg, #0d0d0d 0%, var(--bg) 100%);
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--gold-bright); text-decoration: underline; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 500;
  background: rgba(8, 8, 8, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 3px solid var(--gold);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--ink); font-family: var(--font-display);
  font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.brand:hover { color: var(--gold-bright); text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 6px; border: 2px solid var(--gold-dim); }
.brand b, .brand em { color: var(--gold-bright); font-style: normal; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 46px; height: 46px; padding: 10px;
  border: 2px solid var(--gold-dim); border-radius: 4px;
  background: var(--bg-panel); cursor: pointer;
}
.nav-toggle span { height: 3px; background: var(--gold); border-radius: 1px; transition: 0.25s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.site-nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; list-style: none; margin: 0; padding: 0; }
.site-nav a {
  color: var(--ink-soft); font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 0.4rem 0;
  border-bottom: 3px solid transparent;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--gold-bright); border-bottom-color: var(--gold); text-decoration: none;
}

.ads-top-bar {
  padding: 0.6rem 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}
#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  background: transparent;
  margin: 10px 0;
  gap: 0.5rem;
}
#ads > div,
#ads .ads-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
  box-sizing: border-box;
}
#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: linear-gradient(135deg, #fff, #fff);
}
#ads a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
}
#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}
#ads figcaption,
#ads .caption {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}
.applist-title {
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gold-hero {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.gold-hero .eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  padding: 0.35rem 1rem;
  border: 1px solid var(--gold-dim);
}
.gold-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 1.25rem;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.gold-hero h1 span { color: var(--gold-bright); }
.gold-hero .lead {
  max-width: 720px; margin: 0 auto 2rem;
  font-size: 1.05rem; color: var(--ink-soft);
}
.gold-hero img {
  margin: 0 auto;
  border: 3px solid var(--gold-dim);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 560px;
}

.partner-strip {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem 1.25rem;
  padding: 1.25rem 0; margin-bottom: 0.5rem;
}
.partner-strip a {
  font-family: var(--font-display);
  font-weight: 700; font-size: 0.92rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.65rem 1.35rem;
  background: var(--bg-card);
  border: 2px solid var(--gold-dim);
  color: var(--gold-bright);
  transition: background 0.2s, border-color 0.2s;
}
.partner-strip a:hover {
  background: var(--gold-dim);
  border-color: var(--gold-bright);
  color: var(--bg);
  text-decoration: none;
}

.toc-gold {
  background: var(--bg-panel);
  border-left: 5px solid var(--gold);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}
.toc-gold h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.75rem;
}
.toc-gold ol { margin: 0; padding-left: 1.25rem; color: var(--ink-soft); }
.toc-gold li { margin: 0.35rem 0; }

.content-block { padding: 2.5rem 0; }
.content-block.alt { background: var(--bg-panel); border-block: 1px solid var(--border); }
.content-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold-dim);
}
.prose p { margin: 0 0 1.1rem; color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 700; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.4rem; color: var(--ink-soft); }
.prose li { margin: 0.4rem 0; }

.gold-callout {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--gold-dim);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.gold-callout p { margin: 0; color: var(--ink); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}
.feature-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); }
.feature-card img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.feature-card figcaption {
  padding: 0.85rem 1rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-transform: uppercase;
}

.split-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  align-items: center; margin: 2rem 0;
}
.split-row img {
  border: 2px solid var(--gold-dim);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.step-list {
  counter-reset: goldstep;
  list-style: none; padding: 0; margin: 1.5rem 0;
}
.step-list li {
  counter-increment: goldstep;
  position: relative;
  padding: 1rem 1rem 1rem 3.5rem;
  margin-bottom: 0.75rem;
  background: var(--bg-card);
  border-left: 4px solid var(--gold);
  color: var(--ink-soft);
}
.step-list li::before {
  content: counter(goldstep);
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  color: var(--gold-bright);
}

.page-hero { padding: 2.5rem 0; border-bottom: 1px solid var(--border); }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin: 0;
}

.error-page { text-align: center; padding: 5rem 0; }
.error-page h1 {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0 0 1rem;
  letter-spacing: 0.08em;
}
.error-page p { color: var(--ink-soft); }

.site-footer {
  margin-top: 2rem; padding: 2rem 0;
  border-top: 3px solid var(--gold-dim);
  background: var(--bg-panel);
  font-size: 0.88rem; color: var(--ink-soft);
}
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-bottom: 1rem; }
.footer-links a { font-family: var(--font-display); letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.82rem; }

@media (max-width: 900px) {
  .split-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--bg-panel); border-bottom: 3px solid var(--gold-dim);
    padding: 1rem; transform: translateY(-120%); opacity: 0; visibility: hidden;
    transition: 0.3s; box-shadow: var(--shadow);
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; }
  .site-nav a { display: block; padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
  .ads-top-bar .container { width: 100%; padding-inline: 0.75rem; }
  #ads {
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  #ads::-webkit-scrollbar { display: none; }
  #ads > div,
  #ads .ads-item { width: 84px; flex-shrink: 0; scroll-snap-align: center; }
}