:root {
  --bg: #09070f;
  --bg-alt: #110d22;
  --surface: #15111f;
  --surface-border: rgba(255, 255, 255, 0.08);
  --text: #f2f0f7;
  --text-dim: #b3aec2;
  --accent: #8b5cf6;
  --accent-2: #f6821f;
  --radius: 12px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }


body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(ellipse 70% 60% at 100% 0%, rgba(109, 60, 220, 0.16) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 10%, rgba(246, 130, 31, 0.09) 0%, transparent 55%),
    linear-gradient(180deg, #0f0c1e 0%, #09070f 30%, #09070f 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

header.site-header {
  border-bottom: 1px solid var(--surface-border);
  position: sticky;
  top: 0;
  background: rgba(9, 7, 15, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.nav .brand img { height: 22px; width: auto; }

.nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.nav ul a { display: inline-flex; align-items: center; gap: 6px; color: var(--text-dim); }
.nav ul a svg { width: 15px; height: 15px; flex-shrink: 0; }
.nav ul a.active,
.nav ul a:hover { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle svg { width: 18px; height: 18px; }

main { padding: 48px 0 96px; }

@media (max-width: 700px) {
  .nav-toggle { display: flex; }

  .nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    background: var(--bg);
    border-bottom: 1px solid var(--surface-border);
    padding: 8px 24px 16px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.25s ease, opacity 0.2s ease;
  }

  .nav ul.is-open {
    max-height: 320px;
    opacity: 1;
    padding: 12px 24px 20px;
  }

  .nav ul a { padding: 10px 0; }
}

.hero {
  position: relative;
  text-align: center;
  padding: 88px 0 32px;
  animation: hero-in 0.6s ease both;
}

.hero .hero-glow {
  position: absolute;
  top: 32%;
  left: 50%;
  width: 1150px;
  max-width: none;
  transform: translate(-50%, -50%);
  opacity: 0.12;
  filter: blur(1px);
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 75%);
}

.hero > *:not(.hero-glow) { position: relative; z-index: 1; }

@keyframes hero-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 16px;
  background: linear-gradient(135deg, #fff 20%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-title {
  padding: 48px 0 32px;
  animation: hero-in 0.6s ease both;
}

.page-title h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 14px;
  background: linear-gradient(90deg, #fff 0%, var(--accent) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-title p {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0;
}

.hero p.tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 32px;
}

.cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6d3cdc);
  color: #fff;
}
.btn-primary:hover { text-decoration: none; opacity: 0.9; }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--surface-border);
}
.btn-secondary:hover { text-decoration: none; border-color: var(--accent); }

.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.screenshot-gallery figure {
  margin: 0;
  opacity: 0;
  animation: card-in 0.5s ease forwards;
}

.screenshot-gallery figure:nth-child(1) { animation-delay: 0.05s; }
.screenshot-gallery figure:nth-child(2) { animation-delay: 0.12s; }
.screenshot-gallery figure:nth-child(3) { animation-delay: 0.19s; }

.screenshot-gallery img {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.screenshot-gallery a:hover img {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
}

.screenshot-gallery figcaption {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: center;
}

@media (max-width: 780px) {
  .screenshot-gallery { grid-template-columns: 1fr; }
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 4, 12, 0.88);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}

.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--surface-border);
  color: var(--text);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease;
}

.lightbox-close:hover { background: rgba(255, 255, 255, 0.16); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 16px;
  margin: 36px 0 0;
}

.stat-card {
  position: relative;
  background: linear-gradient(180deg, #171226 0%, var(--surface) 100%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: left;
  overflow: hidden;
  opacity: 0;
  animation: card-in 0.5s ease forwards;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, var(--stat-glow, rgba(139, 92, 246, 0.35)) 0%, transparent 60%);
  opacity: 0.5;
  transition: opacity 0.25s ease;
}

.stat-card:nth-child(1) { --stat-glow: rgba(246, 130, 31, 0.35); animation-delay: 0.1s; }
.stat-card:nth-child(2) { --stat-glow: rgba(139, 92, 246, 0.4); animation-delay: 0.16s; }
.stat-card:nth-child(3) { --stat-glow: rgba(63, 185, 80, 0.35); animation-delay: 0.22s; }
.stat-card:nth-child(4) { --stat-glow: rgba(56, 139, 253, 0.4); animation-delay: 0.28s; }

.stat-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.6);
}

.stat-card:hover::before { opacity: 0.9; }

.stat-card .icon {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--stat-glow, var(--accent));
  opacity: 0.5;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.stat-card .icon svg { width: 100%; height: 100%; }
.stat-card:hover .icon { transform: scale(1.08) rotate(-4deg); opacity: 0.7; }

.stat-value {
  position: relative;
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stat-value.is-ready { opacity: 1; transform: translateY(0); }

.stat-card .stat-label {
  position: relative;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

@media (max-width: 700px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

section { margin: 64px 0; }

h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.section-lead { color: var(--text-dim); margin-bottom: 32px; max-width: 680px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.grid .card {
  opacity: 0;
  animation: card-in 0.5s ease forwards;
}

.grid .card:nth-child(1) { animation-delay: 0.05s; }
.grid .card:nth-child(2) { animation-delay: 0.1s; }
.grid .card:nth-child(3) { animation-delay: 0.15s; }
.grid .card:nth-child(4) { animation-delay: 0.2s; }
.grid .card:nth-child(5) { animation-delay: 0.25s; }
.grid .card:nth-child(6) { animation-delay: 0.3s; }

@keyframes card-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero, .grid .card, .stat-card { animation: none; opacity: 1; }
  .card, .card .icon, .stat-card, .stat-card .icon, .stat-value, .back-to-top { transition: none; }
  .stat-value { opacity: 1; transform: none; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  background: #171326;
}

.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(246, 130, 31, 0.14));
  color: var(--accent-2);
  margin-bottom: 14px;
  transition: transform 0.2s ease;
}

.card .icon svg { width: 20px; height: 20px; }

.card:hover .icon { transform: scale(1.08); }

.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

pre {
  position: relative;
  background: #0c0a16;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 18px 90px 18px 20px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.5;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border);
  color: var(--text-dim);
  font-size: 0.75rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.copy-btn svg { width: 13px; height: 13px; flex-shrink: 0; }

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.copy-btn.is-copied {
  background: rgba(63, 185, 80, 0.15);
  color: #3fb950;
  border-color: rgba(63, 185, 80, 0.35);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

pre code { background: none; padding: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 16px 0;
  overflow-x: auto;
  display: block;
}

table thead { display: table-header-group; }
table tbody { display: table-row-group; }
table tr { display: table-row; }
table th, table td { display: table-cell; }

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-border);
  vertical-align: top;
}

th { color: var(--text-dim); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }

.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 84px;
  font-size: 0.88rem;
}

.toc strong { display: block; color: var(--text-dim); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; margin-bottom: 12px; }
.toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.toc a { color: var(--text-dim); }
.toc a:hover { color: var(--text); }

.doc-content section { margin: 0 0 56px; scroll-margin-top: 84px; }
.doc-content section:last-child { margin-bottom: 0; }

.doc-content ul, .doc-content ol { color: var(--text-dim); }
.doc-content li { margin-bottom: 6px; }

.note {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.92rem;
}

.faq-item {
  border-bottom: 1px solid var(--surface-border);
  padding: 24px 0;
}
.faq-item:first-child { padding-top: 0; }
.faq-item h3 { margin: 0 0 10px; font-size: 1.05rem; }
.faq-item p, .faq-item ul { color: var(--text-dim); margin: 0 0 8px; }

footer.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 48px 0 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer.site-footer a { color: var(--text-dim); }
footer.site-footer a:hover { color: var(--text); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-col .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.footer-col .footer-brand img { height: 20px; width: auto; }

.footer-col p { margin: 0; font-size: 0.88rem; max-width: 320px; }
.footer-col p + p { margin-top: 20px; }

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
}

.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.88rem; }

.footer-bottom {
  border-top: 1px solid var(--surface-border);
  padding: 20px 0 32px;
}

.footer-bottom .disclaimer {
  max-width: 900px;
  margin: 0;
  font-size: 0.7rem;
  opacity: 0.6;
  text-align: left;
}

@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  z-index: 20;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { border-color: var(--accent); text-decoration: none; }

@media (max-width: 780px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-layout > * { min-width: 0; }
  .toc { position: static; }
  .nav ul { gap: 14px; font-size: 0.85rem; }
}

@media (max-width: 700px) {
  .hero { padding-top: 40px; }
  .page-title { padding-top: 32px; }
  .nav .brand { padding-left: 8px; }
}