:root {
  --bg: #07090e;
  --bg-deep: #030407;
  --metal-1: #ffffff;
  --metal-2: #e2e8f0;
  --metal-3: #94a3b8;
  --metal-4: #475569;
  --metal-dark: #0f172a;
  --card: #0d121c;
  --card-border: #1e293b;
  --silver-glow: rgba(226, 232, 240, 0.35);
  --silver-border: rgba(255, 255, 255, 0.18);
  --chrome-gradient: linear-gradient(135deg, #ffffff 0%, #cbd5e1 25%, #64748b 50%, #94a3b8 75%, #ffffff 100%);
  --liquid-flow: linear-gradient(120deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.25) 30%, rgba(148,163,184,0.1) 60%, rgba(255,255,255,0.03) 100%);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --line: #1e293b;
  --hl: #e2e8f0;
  --radius: 18px;
  --font-future: "Rajdhani", "Syncopate", "Orbitron", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(226, 232, 240, 0.15), transparent 70%),
    radial-gradient(circle at 90% 40%, rgba(148, 163, 184, 0.08), transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(203, 213, 225, 0.06), transparent 50%),
    linear-gradient(180deg, #07090e 0%, #030407 100%);
  color: var(--text);
  font-family: var(--font-future);
  line-height: 1.7;
  overflow-x: hidden;
  letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 8px; z-index: 80; background: #fff; color: #000; padding: 8px 14px; border-radius: 6px; font-weight: 700; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }

.grad-text {
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 30%, #94a3b8 60%, #ffffff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 24px rgba(255, 255, 255, 0.25);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.liquid-bg-layer {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0;
}
.liquid-wave {
  position: absolute; width: 140%; height: 100%; top: -20%; left: -20%;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(226, 232, 240, 0.12), transparent 75%);
  filter: blur(40px);
  animation: liquidFloat 12s ease-in-out infinite alternate;
}
@keyframes liquidFloat {
  0% { transform: translateY(0) scale(1) rotate(0deg); }
  50% { transform: translateY(20px) scale(1.08) rotate(2deg); }
  100% { transform: translateY(-15px) scale(0.96) rotate(-2deg); }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 14px;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
  position: relative; overflow: hidden;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn-primary {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 40%, #94a3b8 70%, #f8fafc 100%);
  color: #030712;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.8);
}
.btn-primary:after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: translateX(-100%);
  animation: chromeShine 4s infinite;
}
@keyframes chromeShine {
  0%, 60% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.btn-ghost {
  border: 1px solid var(--silver-border);
  background: rgba(255, 255, 255, 0.04);
  color: #f1f5f9;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255,255,255,0.4); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 9, 14, 0.82);
  border-bottom: 1px solid var(--silver-border);
  backdrop-filter: blur(18px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: 0.05em; }
.brand img {
  width: 42px; height: 42px; object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.6)) drop-shadow(0 0 20px rgba(148, 163, 184, 0.4));
}
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a { color: var(--muted); font-weight: 600; font-size: 15px; transition: color .2s; }
.site-nav a:hover, .site-nav a.is-on { color: #ffffff; text-shadow: 0 0 10px rgba(255,255,255,0.5); }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--silver-border); }
.nav-toggle span, .nav-toggle span:before, .nav-toggle span:after {
  display: block; width: 20px; height: 2px; background: #ffffff; margin: 0 auto; position: relative;
}
.nav-toggle span:before, .nav-toggle span:after { content: ""; position: absolute; left: 0; }
.nav-toggle span:before { top: -6px; }
.nav-toggle span:after { top: 6px; }

.hero {
  position: relative;
  padding: 68px 0 44px;
  overflow: hidden;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  color: #ffffff; border: 1px solid rgba(255, 255, 255, 0.35);
  background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.03));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}
.hero h1 { font-size: clamp(32px, 4.8vw, 54px); line-height: 1.15; margin: 16px 0 14px; }
.lead { color: var(--muted); font-size: 17px; max-width: 560px; }
.sell { margin: 22px 0; display: grid; gap: 11px; }
.sell li { list-style: none; display: flex; gap: 10px; align-items: center; font-size: 15px; color: #cbd5e1; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 24px 0 16px; }
.os-hint { color: var(--muted); font-size: 13px; display: flex; gap: 8px; align-items: center; }

.visual { position: relative; }
.mock-window {
  background: linear-gradient(160deg, #131926 0%, #090d14 100%);
  border: 1px solid var(--silver-border);
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(255, 255, 255, 0.1), inset 0 1px 0 rgba(255,255,255,0.2);
}
.mock-bar {
  display: flex; gap: 6px; padding: 12px 16px;
  background: linear-gradient(90deg, #1e293b 0%, #0f172a 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; display: block; background: #64748b; }
.mock-bar i:nth-child(1){ background: #e2e8f0; box-shadow: 0 0 8px #fff; }
.mock-bar i:nth-child(2){ background: #94a3b8; }
.mock-bar i:nth-child(3){ background: #475569; }
.mock-body { padding: 18px; display: grid; gap: 12px; }
.status-card, .node-list {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px; padding: 14px;
}
.status-top { display: flex; justify-content: space-between; align-items: center; font-size: 14px; font-weight: 700; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #ffffff; box-shadow: 0 0 10px #ffffff, 0 0 20px #94a3b8; }
.node-list p { display: flex; justify-content: space-between; font-size: 13px; color: #cbd5e1; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.node-list p:last-child { border: 0; }
.float-card {
  position: absolute; background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--silver-border);
  border-radius: 14px; padding: 12px 16px; min-width: 128px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.3);
  backdrop-filter: blur(12px);
}
.float-card strong { display: block; color: #ffffff; font-size: 22px; text-shadow: 0 0 10px rgba(255,255,255,0.5); }
.float-card span { font-size: 12px; color: var(--muted); }
.fc-a { top: 16px; right: -16px; }
.fc-b { bottom: 24px; left: -16px; }

.platform-strip { padding: 26px 0 10px; }
.plat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.plat-card {
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%);
  border: 1px solid var(--silver-border);
  border-radius: var(--radius); padding: 18px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  backdrop-filter: blur(10px);
}
.plat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.5);
  box-shadow: 0 10px 30px rgba(255,255,255,0.12);
}
.plat-card h3 { margin: 10px 0 4px; font-size: 17px; }
.plat-card p { color: var(--muted); font-size: 13px; }
.plat-card svg { width: 28px; height: 28px; color: #cbd5e1; }

.stats-band { padding: 32px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 24px;
  border-radius: 20px; border: 1px solid var(--silver-border);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.8) 100%);
  box-shadow: 0 20px 45px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.15);
}
.stat { text-align: center; }
.stat b { display: block; font-size: 32px; color: #ffffff; text-shadow: 0 0 15px rgba(255,255,255,0.4); }
.stat span { color: var(--muted); font-size: 13px; }

.section { padding: 56px 0; }
.section h2 { font-size: 32px; margin-bottom: 8px; }
.sub { color: var(--muted); margin-bottom: 28px; font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature, .trust, .review {
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.35) 0%, rgba(15, 23, 42, 0.6) 100%);
  border: 1px solid var(--silver-border);
  border-radius: var(--radius); padding: 22px;
  backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}
.feature svg, .trust svg { width: 32px; height: 32px; color: #e2e8f0; margin-bottom: 12px; }
.feature h3, .trust h3, .review h3 { margin-bottom: 8px; font-size: 18px; color: #f8fafc; }
.feature p, .trust p, .review p { color: var(--muted); font-size: 14px; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tech {
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.45) 0%, rgba(15, 23, 42, 0.7) 100%);
  border: 1px solid var(--silver-border); border-radius: 20px; padding: 24px;
}
.tech-visual {
  border-radius: 12px; overflow: hidden; margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #020408;
}
.tech-visual img { width: 100%; height: 180px; object-fit: cover; }
.step { display: grid; grid-template-columns: 46px 1fr; gap: 12px; margin-top: 14px; }
.num { color: #ffffff; font-weight: 800; font-size: 20px; text-shadow: 0 0 10px rgba(255,255,255,0.5); }

.score-bar { display: flex; align-items: center; gap: 12px; color: var(--muted); margin-bottom: 20px; font-size: 14px; }
.stars { color: #f8fafc; letter-spacing: 2px; text-shadow: 0 0 8px rgba(255,255,255,0.7); }
.review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; margin-bottom: 10px; border: 1px solid rgba(255,255,255,0.4);
}
.a1 { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #020617; }
.a2 { background: linear-gradient(135deg, #cbd5e1, #64748b); color: #020617; }
.a3 { background: linear-gradient(135deg, #94a3b8, #475569); color: #ffffff; }
.a4 { background: linear-gradient(135deg, #f1f5f9, #cbd5e1); color: #020617; }
.tag { font-size: 12px; color: #cbd5e1; font-weight: 700; }
.stamp { font-size: 12px; color: #64748b; margin-top: 10px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.news-card {
  background: var(--card); border: 1px solid var(--silver-border);
  border-radius: 18px; overflow: hidden;
}
.news-card img { width: 100%; height: 210px; object-fit: cover; }
.news-card div { padding: 18px; }
.news-card p { color: var(--muted); font-size: 14px; }

.table-wrap { overflow: auto; border: 1px solid var(--silver-border); border-radius: 16px; }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.cmp-table th, .cmp-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: center; font-size: 14px; }
.cmp-table th { background: rgba(30, 41, 59, 0.6); color: #f8fafc; }
.cmp-table td.hl, .cmp-table th.hl {
  background: rgba(255, 255, 255, 0.08); color: #ffffff; font-weight: 700;
  border-left: 1px solid rgba(255,255,255,0.15); border-right: 1px solid rgba(255,255,255,0.15);
}
.note { color: #64748b; font-size: 13px; margin-top: 10px; }

.faq-list { display: grid; gap: 10px; }
.faq-item {
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.3) 0%, rgba(15, 23, 42, 0.5) 100%);
  border: 1px solid var(--silver-border); border-radius: 14px;
}
.faq-item button { width: 100%; text-align: left; padding: 18px 20px; font-weight: 700; display: flex; justify-content: space-between; font-size: 16px; }
.faq-item .ans { display: none; padding: 0 20px 18px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.faq-item.open .ans { display: block; }
.faq-item button span { color: #ffffff; font-weight: 800; }

.cta-band {
  margin: 16px 0 40px; padding: 46px 26px; border-radius: 24px; text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: radial-gradient(ellipse at 50% -20%, rgba(255,255,255,0.2), transparent 70%),
              linear-gradient(160deg, #1e293b 0%, #0b0f17 100%);
  box-shadow: 0 25px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.3);
}
.cta-band h2 { font-size: 34px; margin-bottom: 8px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 20px; }

.site-footer { border-top: 1px solid var(--silver-border); padding: 42px 0 24px; background: #030508; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 24px; }
.foot-grid h3 { margin-bottom: 12px; color: #f1f5f9; font-size: 16px; }
.foot-grid a, .foot-grid p { color: var(--muted); display: block; margin: 6px 0; font-size: 14px; }
.foot-grid a:hover { color: #ffffff; }
.footer-seo { margin-top: 28px; color: #64748b; font-size: 13px; line-height: 1.8; }
.copy { margin-top: 18px; color: #475569; font-size: 12px; }

.dl-hero { padding: 52px 0 24px; }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.dl-shot { border-radius: 18px; overflow: hidden; border: 1px solid var(--silver-border); box-shadow: 0 20px 50px rgba(0,0,0,0.7); }
.dl-shot img { width: 100%; height: 320px; object-fit: cover; }
.steps { display: grid; gap: 14px; }
.step-card {
  display: grid; grid-template-columns: 86px 1fr; gap: 16px;
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.7) 100%);
  border: 1px solid var(--silver-border); border-radius: 14px; padding: 16px;
}
.step-card img { width: 86px; height: 86px; object-fit: cover; border-radius: 10px; }
.anchor { scroll-margin-top: 90px; }

@media (max-width: 980px) {
  .nav-toggle { display: grid; place-items: center; }
  .site-nav {
    display: none; position: absolute; inset: 72px 0 auto; background: #07090e;
    border-bottom: 1px solid var(--silver-border); padding: 18px; flex-direction: column; align-items: flex-start;
  }
  .site-nav.open { display: flex; }
  .hero-grid, .tech-grid, .dl-grid, .news-grid, .foot-grid { grid-template-columns: 1fr; }
  .plat-grid, .stats-grid, .feature-grid, .review-grid, .trust-grid { grid-template-columns: 1fr 1fr; }
  .fc-a, .fc-b { position: static; margin-top: 10px; display: inline-block; }
}
@media (max-width: 640px) {
  .plat-grid, .stats-grid, .feature-grid, .review-grid, .trust-grid { grid-template-columns: 1fr; }
  .step-card { grid-template-columns: 1fr; }
}