/* VeloClient - ec-binance.com */
:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #18181f;
  --border: #2a2a38;
  --accent: #f97316;
  --accent2: #dc2626;
  --accent-muted: rgba(249,115,22,0.15);
  --text: #f0ede8;
  --text2: #b8b5ad;
  --text3: #6b6970;
  --gradient: linear-gradient(135deg, #f97316 0%, #dc2626 100%);
  --gradient-soft: linear-gradient(135deg, rgba(249,115,22,0.12) 0%, rgba(220,38,38,0.08) 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --max-w: 1180px;
  --font: 'Segoe UI', Inter, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- typography ---- */
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 700; }
p { font-size: 1.05rem; color: var(--text2); }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* ---- layout ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- nav ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo img { height: 32px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-size: 0.97rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
  min-height: 44px;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(249,115,22,0.35);
}
.btn-primary:hover { opacity: 0.9; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: #555; background: var(--bg3); }
.btn-ghost {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg2); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 9px 18px; font-size: 0.88rem; min-height: 38px; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: 10px; }

/* ---- hero ---- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220,38,38,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-muted);
  border: 1px solid rgba(249,115,22,0.3);
  border-radius: 100px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero h1 { margin-bottom: 20px; }
.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text2);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero-stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
}
.hero-stat-label { font-size: 0.83rem; color: var(--text3); margin-top: 2px; }

/* hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-mockup {
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg3);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(249,115,22,0.1);
}
.mockup-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.mockup-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #ffbd2e; }
.mockup-dot:nth-child(3) { background: #28c840; }
.mockup-body { padding: 20px; }
.mockup-chart {
  width: 100%;
  height: 180px;
  border-radius: 10px;
  background: var(--bg);
  margin-bottom: 14px;
  overflow: hidden;
  position: relative;
}
.mockup-row { display: flex; gap: 10px; margin-bottom: 10px; }
.mockup-cell {
  flex: 1;
  height: 38px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.8rem;
  color: var(--text2);
  overflow: hidden;
  white-space: nowrap;
}
.mockup-cell.up { color: #22c55e; }
.mockup-cell.dn { color: #ef4444; }
.badge-small {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
}
.badge-green { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-red { background: rgba(239,68,68,0.15); color: #ef4444; }

/* ---- logos bar ---- */
.logos-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  overflow: hidden;
}
.logos-label {
  text-align: center;
  font-size: 0.83rem;
  color: var(--text3);
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.logos-track {
  display: flex;
  gap: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.logo-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text3);
  opacity: 0.7;
}
.logo-chip svg { width: 20px; height: 20px; }

/* ---- sections ---- */
section { padding: 80px 0; }
.section-light { background: var(--bg2); }
.section-bordered {
  border-top: 1px solid var(--border);
}

/* ---- feature row ---- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.feature-eyebrow::before {
  content: '';
  display: block;
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.feature-text h2 { margin-bottom: 16px; }
.feature-text p { margin-bottom: 20px; }
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.97rem;
  color: var(--text2);
}
.check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(34,197,94,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.check-icon svg { width: 11px; height: 11px; }

/* feature visual panels */
.feat-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg3);
  padding: 28px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}
.feat-panel::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249,115,22,0.08), transparent 70%);
  pointer-events: none;
}

/* ---- platform grid ---- */
.platforms-section { }
.platforms-header { text-align: center; margin-bottom: 56px; }
.platforms-header p { max-width: 560px; margin: 16px auto 0; }
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.platform-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.platform-card:hover {
  border-color: rgba(249,115,22,0.4);
  transform: translateY(-4px);
}
.platform-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: var(--radius-lg);
}
.platform-card:hover::before { opacity: 1; }
.platform-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.platform-icon svg { width: 32px; height: 32px; color: #fff; }
.platform-card h3 { font-size: 1.15rem; margin-bottom: 10px; position: relative; }
.platform-card p { font-size: 0.9rem; position: relative; }
.platform-card .btn { margin-top: 20px; width: 100%; position: relative; }

/* ---- stats strip ---- */
.stats-strip {
  background: var(--bg3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-value {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.88rem; color: var(--text3); margin-top: 6px; }

/* ---- security section ---- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.security-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}
.security-card:hover { border-color: rgba(249,115,22,0.35); }
.sec-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.sec-icon svg { width: 24px; height: 24px; color: var(--accent); }
.security-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.security-card p { font-size: 0.9rem; }

/* ---- CTA banner ---- */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1a0f08 0%, #1a0808 100%);
  border: 1px solid rgba(249,115,22,0.3);
  padding: 64px 56px;
  text-align: center;
  margin: 0 0 80px;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); color: #fff; position: relative; z-index: 1; margin-bottom: 14px; }
.cta-banner p { color: var(--text2); max-width: 520px; margin: 0 auto 32px; position: relative; z-index: 1; }
.cta-banner-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---- OS download section ---- */
.download-bar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 40px;
}
.download-options { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- footer ---- */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.9rem; color: var(--text3); margin: 14px 0 20px; max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.9rem; color: var(--text3); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--text2); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.85rem; color: var(--text3); }
.footer-disclaimer {
  font-size: 0.82rem;
  color: var(--text3);
  margin-top: 24px;
  line-height: 1.6;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.footer-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text3);
}
.footer-lang a { color: var(--accent); }

/* ---- tablet / mobile ---- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 72px 0 60px; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .security-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 24px; }
  .download-bar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .platforms-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 20px; }
  .cta-banner-actions { flex-direction: column; width: 100%; }
  .cta-banner-actions .btn { width: 100%; }
  .download-options { flex-direction: column; width: 100%; }
  .download-options .btn { width: 100%; }
}