:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-soft: #0c1220;
  --panel: rgba(17, 24, 39, 0.68);
  --panel-strong: rgba(13, 19, 34, 0.92);
  --text: #f5f7ff;
  --muted: #98a4c3;
  --line: rgba(255,255,255,0.1);
  --line-strong: rgba(255,255,255,0.16);
  --pink: #ff4c76;
  --red: #ff5d72;
  --cyan: #37d4ff;
  --violet: #745cff;
  --violet-deep: #1a1634;
  --navy-mid: #111728;
  --berry-dark: #2a1120;
  --shadow: 0 30px 120px rgba(0,0,0,0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Manrope', system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 18%, rgba(116, 92, 255, 0.24), transparent 26%),
    radial-gradient(circle at 80% 14%, rgba(55, 212, 255, 0.16), transparent 20%),
    radial-gradient(circle at 24% 78%, rgba(255, 76, 118, 0.18), transparent 24%),
    linear-gradient(180deg, var(--violet-deep) 0%, var(--navy-mid) 45%, var(--berry-dark) 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding-bottom: 72px; }
.topbar {
  position: sticky;
  top: 14px;
  z-index: 20;
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 14, 27, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 48px rgba(0,0,0,0.25);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 300px; flex: 0 0 300px; font-family: 'Sora', sans-serif; font-weight: 700; letter-spacing: -0.03em; }
.brand img { width: 36px; height: 36px; }
.brand-name { display: inline-block; min-width: 152px; flex: 0 0 auto; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 0.95rem; transition: color .2s ease, transform .2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--text); transform: translateY(-1px); }
.nav a.active { color: var(--text); }
.nav a.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
}
.lang-select-label { color: var(--muted); font-size: 0.95rem; }
.lang-select {
  min-width: 168px;
  height: 36px;
  border: 0;
  outline: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  padding: 0 14px;
  cursor: pointer;
  color-scheme: dark;
}
.lang-select:focus-visible {
  box-shadow: 0 0 0 2px rgba(55, 212, 255, 0.3);
}
.lang-select option {
  background: #0f1526;
  color: var(--text);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: 42px;
  align-items: start;
  padding: 76px 0 54px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(82,229,255,0.18);
  border-radius: 999px;
  color: #d9ebff;
  font-size: 0.84rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: rgba(82,229,255,0.08);
}
.hero h1, .section-head h2 {
  margin: 18px 0 0;
  font-family: 'Sora', sans-serif;
  letter-spacing: -0.05em;
  line-height: 0.95;
}
.hero h1 { font-size: clamp(3rem, 6vw, 5.4rem); max-width: 9.5ch; }
.hero-text {
  margin: 18px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}
.hero-actions, .footer-links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.cta-actions { display:flex; align-items:center; gap:12px; flex-wrap:wrap; justify-content:flex-end; }
.license-pill {
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(55, 212, 255, 0.28);
  background:rgba(55, 212, 255, 0.08);
  color:var(--text);
  font-weight:700;
  letter-spacing:0.02em;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease, background .24s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button.primary {
  background: linear-gradient(135deg, var(--red), var(--pink) 48%, var(--violet));
  color: white;
  box-shadow: 0 18px 40px rgba(255, 76, 118, 0.3);
}
.button.secondary, .button.tertiary {
  border-color: var(--line-strong);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}
.button.tertiary { width: 100%; }
.copy-button {
  width: auto;
  min-height: 42px;
  padding: 0 16px;
}
.hero-meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-meta span, .metrics article {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.hero-meta span {
  padding: 10px 14px;
  border-radius: 999px;
  color: #d4def7;
  font-size: .92rem;
}
.hero-visual { position: relative; width: min(100%, 700px); margin: -90px auto 0; align-self: center; justify-self: center; }
.app-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.app-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), transparent 35%);
  pointer-events: none;
}
.floating-badge {
  position: absolute;
  z-index: 2;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  background: rgba(10, 14, 26, 0.68);
  box-shadow: 0 18px 40px rgba(0,0,0,0.24);
  font-weight: 700;
}
.badge-cyan { top: -8px; right: 42px; color: var(--cyan); }
.badge-pink { bottom: 22px; left: 22px; color: #ffc3d2; }
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}
.metrics article, .feature-card, .step, .download-card, .source-card, .preview-frame, .cta-band, .faq-item {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.metrics article {
  padding: 20px;
  display: grid;
  gap: 8px;
  background: rgba(255,255,255,0.025);
}
.metrics strong { font-family: 'Sora', sans-serif; }
.metrics span { color: var(--muted); line-height: 1.6; }
.section { padding: 78px 0 0; }

html {
  scroll-padding-top: 92px;
}

section[id] {
  scroll-margin-top: 92px;
}

.section-head {
  scroll-margin-top: 92px;
}

.section-head { display: grid; gap: 14px; max-width: 760px; }
.section-head h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
.feature-grid, .download-grid, .opensource-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.feature-grid { grid-template-columns: repeat(4, 1fr); }
.download-grid, .opensource-grid { grid-template-columns: repeat(3, 1fr); }
.feature-card, .download-card, .source-card, .step, .preview-frame, .cta-band, .faq-item {
  padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  backdrop-filter: blur(10px);
}
.feature-card span { font-size: 1.6rem; }
.feature-card h3, .download-card h3, .source-card h3, .step h3 { margin: 14px 0 10px; font-family: 'Sora', sans-serif; }
.feature-card p, .download-card p, .source-card p, .step p, .preview-copy p, .footer p, .faq-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.workflow .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 28px; }
.config-guide .steps { display: grid; gap: 24px; margin-top: 36px; }
.config-guide .step { padding: 30px; }
.step span {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255,107,107,.18), rgba(82,229,255,.18));
  border: 1px solid rgba(255,255,255,0.1);
  font-family: 'Sora', sans-serif;
}
.platform { color: #d5e8ff; font-weight: 700; font-size: .95rem; }
.share-card {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.share-copy h2 {
  margin: 16px 0 12px;
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 0.98;
}
.share-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}
.share-box {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.09);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
    radial-gradient(circle at top right, rgba(55,212,255,0.1), transparent 36%);
}
.share-box-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.share-box-head strong {
  font-family: 'Sora', sans-serif;
  letter-spacing: -0.03em;
}
.share-box textarea {
  width: 100%;
  min-height: 132px;
  resize: vertical;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  background: rgba(7,11,20,0.72);
  color: var(--text);
  padding: 16px;
  font: inherit;
  line-height: 1.6;
}
.copy-feedback {
  min-height: 1.25rem;
  margin: 0;
  color: #c9f6ff;
  font-size: 0.92rem;
}
.preview-block { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: center; }
.preview-frame img { border-radius: 18px; }
.cta-band {
  margin-top: 24px;
}
.setup-band {
  display: grid;
  gap: 24px;
  padding: 28px;
}
.setup-band .share-box,
.setup-band .setup-note {
  box-shadow: none;
}

.setup-band-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
}
.setup-band-grid {
  display: grid;
  grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}
.setup-band-grid > * {
  min-height: 100%;
}
.setup-command-box {
  margin-top: 0;
  padding: 20px;
}
.setup-command-box .share-box-head {
  align-items: center;
}
.setup-command-box textarea {
  min-height: 88px;
  resize: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  font-size: 1rem;
}
.setup-note {
  display: grid;
  gap: 10px;
  align-content: center;
  padding: 22px 24px;
}
.setup-note strong {
  font-family: 'Sora', sans-serif;
  font-size: 1.05rem;
}
.setup-note p {
  margin: 0;
}
.setup-command-box .button.tertiary {
  width: auto;
  min-width: 120px;
}

.faq-list { margin-top: 28px; display: grid; gap: 14px; }
.faq-item summary {
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  font-size: 1.05rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { margin-bottom: 12px; }
.footer {
  margin-top: 88px;
  padding: 28px 0 12px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer strong { display:block; margin-bottom: 10px; color: var(--text); font-family: 'Sora', sans-serif; }
.footer-note { align-self: end; }
.reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp .72s ease forwards;
}
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
.delay-1 { animation-delay: .08s; }
.delay-2 { animation-delay: .16s; }
.delay-3 { animation-delay: .24s; }
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 1100px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow .steps { grid-template-columns: repeat(2, 1fr); }
  .downloads .download-grid, .opensource-grid { grid-template-columns: 1fr; }
  .preview-block, .hero, .share-card { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .site-shell { width: min(calc(100% - 20px), var(--max)); }
  .topbar { border-radius: 24px; align-items: flex-start; }
  .topbar-actions { width: 100%; justify-content: space-between; }
  .nav { gap: 12px 16px; }
  .hero { padding-top: 58px; }
  .hero h1 { max-width: none; }
  .metrics, .feature-grid, .workflow .steps { grid-template-columns: 1fr; }
  .cta-band, .footer { grid-template-columns: 1fr; }
  .setup-band-grid { grid-template-columns: 1fr; }
  .cta-actions { justify-content:flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

.setup-note {
  margin-top: 0;
  padding: 22px 24px;
  min-height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
}
.setup-note strong { display:block; margin-bottom:10px; font-family: 'Sora', sans-serif; font-size: 1.02rem; }
.setup-note p { margin:0; color: var(--muted); line-height:1.8; max-width: 58ch; }

.download-actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:18px; }