:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.6);
  --brand: #2de2ff;
  --brand2: #8b5cf6;
  --brand3: #ffb300;
  --brand4: #40ffb9;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 16px;
  --radius2: 22px;
  --max: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 18% 10%, rgba(45,226,255,.10), transparent 58%),
              radial-gradient(1100px 750px at 82% 16%, rgba(139,92,246,.12), transparent 60%),
              radial-gradient(900px 680px at 55% 105%, rgba(255,179,0,.10), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link{
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(0,0,0,.7);
  border: 1px solid rgba(255,255,255,.18);
  transform: translateY(-200%);
  transition: transform .2s ease;
  z-index: 1000;
}
.skip-link:focus{ transform: translateY(0); outline: none; }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11,18,32,.6);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}
.brand-logo{
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  padding: 7px;
  border: 1px solid rgba(255,255,255,.12);
}
.brand-name{
  font-weight: 700;
  letter-spacing: .2px;
  font-size: 14px;
  line-height: 1.2;
}
.brand-tagline{
  font-size: 12px;
  color: var(--muted2);
  line-height: 1.2;
  margin-top: 2px;
}
.site-nav{
  display: flex;
  align-items: center;
  gap: 16px;
}
.site-nav a{
  color: var(--muted);
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.site-nav a:hover{
  color: var(--text);
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
}
.site-nav a.active{
  color: var(--text);
  border-color: rgba(45,226,255,.26);
  background: rgba(45,226,255,.07);
}
.nav-cta{
  color: #071019 !important;
  background: linear-gradient(135deg, var(--brand), var(--brand4)) !important;
  border-color: rgba(255,255,255,.14) !important;
  font-weight: 700;
}
.nav-cta:hover{ filter: brightness(1.02); }

.nav-toggle{
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  padding: 10px 10px;
  color: var(--text);
}
.nav-toggle-bar{
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,.86);
  margin: 3px 0;
  border-radius: 2px;
}

/* Hero */
.hero{
  position: relative;
  overflow: hidden;
  padding: 64px 0 36px;
}
.hero-bg{
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(900px 600px at 18% 22%, rgba(45,226,255,.22), transparent 60%),
    radial-gradient(900px 600px at 78% 28%, rgba(139,92,246,.24), transparent 60%),
    radial-gradient(900px 600px at 55% 80%, rgba(255,179,0,.16), transparent 62%),
    linear-gradient(180deg, rgba(11,18,32,.20), rgba(11,18,32,.92)),
    url("./images/hero-market.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.15) contrast(1.12);
}
.hero-bg.hero-bg-crypto{
  background:
    radial-gradient(900px 600px at 18% 22%, rgba(255,179,0,.20), transparent 62%),
    radial-gradient(900px 600px at 78% 28%, rgba(45,226,255,.18), transparent 62%),
    radial-gradient(900px 600px at 58% 80%, rgba(139,92,246,.18), transparent 62%),
    linear-gradient(180deg, rgba(11,18,32,.20), rgba(11,18,32,.92)),
    url("./images/hero-btc.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.18) contrast(1.12);
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 25% 18%, rgba(45,226,255,.10), transparent 60%),
    radial-gradient(900px 420px at 80% 22%, rgba(139,92,246,.10), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.30));
  mix-blend-mode: screen;
  pointer-events:none;
}
.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 22px;
  align-items: start;
}
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.8);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
}
.eyebrow::before{
  content:"";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand4), var(--brand));
  box-shadow: 0 0 18px rgba(45,226,255,.35);
}
.hero-title{
  margin: 16px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -.3px;
}
.hero-subtitle{
  margin: 0 0 18px;
  color: rgba(255,255,255,.82);
  font-size: 16px;
}
.hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  box-shadow: 0 10px 20px rgba(0,0,0,.22);
}
.btn-primary{
  color: #071019;
  background: linear-gradient(135deg, var(--brand), var(--brand4));
}
.btn-ghost{
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.03);
}
.btn:hover{ transform: translateY(-1px); transition: transform .15s ease, filter .15s ease; }
.btn:active{ transform: translateY(0); }

.hero-metrics{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.metric{
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  padding: 12px 12px;
}
.metric-title{ font-weight: 800; font-size: 13px; }
.metric-desc{ color: var(--muted); font-size: 12.5px; margin-top: 2px; }

.hero-card{
  border-radius: var(--radius2);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.045));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  padding: 18px 18px;
}
.hero-card-title{
  font-weight: 900;
  letter-spacing: .2px;
  margin-bottom: 10px;
}
.checklist{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.82);
}
.checklist li{ margin: 8px 0; }
.hero-card-note{
  margin-top: 14px;
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.78);
  font-size: 12.5px;
}
.pill{
  display: inline-block;
  font-weight: 800;
  font-size: 12px;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(102,224,255,.12);
  border: 1px solid rgba(102,224,255,.26);
  color: rgba(220,255,252,.95);
}

/* Sections */
.section{ padding: 56px 0; }
.section-alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-head{
  margin-bottom: 18px;
}
.section-head h2{
  margin: 0;
  font-size: 26px;
  letter-spacing: -.2px;
}
.section-head p{
  margin: 8px 0 0;
  color: var(--muted);
}

.grid-2{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.grid-3{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card{
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  padding: 18px 18px;
}
.card h3{
  margin: 0 0 8px;
  font-size: 18px;
}
.card p{ margin: 0; }
.card p + p{ margin-top: 10px; }
.card-accent{
  background: radial-gradient(700px 280px at 10% 10%, rgba(102,224,255,.10), transparent 55%),
              radial-gradient(700px 280px at 90% 0%, rgba(139,92,246,.10), transparent 55%),
              rgba(255,255,255,.04);
}
.muted{ color: var(--muted); }
.small{ font-size: 12.5px; }
.text-link{
  display: inline-block;
  margin-top: 12px;
  color: rgba(220,255,252,.92);
  border-bottom: 1px dashed rgba(102,224,255,.35);
}
.text-link:hover{ border-bottom-style: solid; }

.bullets{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.82);
}
.bullets li{ margin: 8px 0; }

.steps{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.step{
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  padding: 16px 16px;
}
.step-title{ font-weight: 900; margin-bottom: 6px; }
.step-desc{ color: var(--muted); font-size: 13px; }

/* Contact */
.section-contact{
  background: radial-gradient(900px 360px at 20% 10%, rgba(102,224,255,.10), transparent 60%),
              radial-gradient(900px 360px at 80% 0%, rgba(139,92,246,.12), transparent 60%);
}
.kv{
  margin: 10px 0 0;
}
.kv-row{
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255,255,255,.10);
}
.kv-row:last-child{ border-bottom: 0; }
dt{ color: var(--muted2); }
dd{ margin: 0; }
.placeholder{
  color: rgba(255,255,255,.75);
  border: 1px dashed rgba(255,255,255,.18);
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(0,0,0,.18);
}

.form .field{
  display: grid;
  gap: 6px;
  margin-top: 12px;
}
.form input, .form textarea{
  width: 100%;
  border-radius: 14px;
  padding: 12px 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.92);
  outline: none;
}
.form input:focus, .form textarea:focus{
  border-color: rgba(102,224,255,.32);
  box-shadow: 0 0 0 4px rgba(102,224,255,.10);
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(11,18,32,.65);
  padding: 18px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-left{
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo{
  width: 34px;
  height: 34px;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}
.footer-name{ font-weight: 800; font-size: 13px; }
.footer-muted{ color: var(--muted2); font-size: 12px; }
.footer-right{ color: var(--muted); font-size: 13px; }
.footer-right a{ color: rgba(255,255,255,.82); }
.footer-right a:hover{ color: rgba(255,255,255,.95); }
.footer-sep{ margin: 0 8px; color: rgba(255,255,255,.35); }

/* Responsive */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .hero{ padding-top: 44px; }
}
@media (max-width: 860px){
  .nav-toggle{ display: inline-flex; align-items: center; justify-content: center; }
  .site-nav{
    position: fixed;
    top: 68px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(11,18,32,.92);
    backdrop-filter: blur(14px);
    box-shadow: 0 18px 40px rgba(0,0,0,.4);
  }
  .site-nav.open{ display: flex; }
  .site-nav a{ width: 100%; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .btn:hover{ transform: none; }
}