:root {
  --brand-900: #0a2540;
  --brand-800: #0e3a66;
  --brand-700: #1454a8;
  --brand-600: #1f6fd1;
  --brand-500: #2f86e6;
  --brand-100: #e6f0fb;
  --brand-50: #f3f8fd;
  --ink-900: #0b1320;
  --ink-700: #1f2a3d;
  --ink-500: #4a5568;
  --ink-400: #6b7280;
  --ink-300: #9aa3b2;
  --line: #e5ecf4;
  --line-strong: #cdd8e6;
  --bg: #ffffff;
  --bg-soft: #f6f9fd;
  --bg-panel: #ffffff;
  --good: #137a51;
  --good-bg: #e6f6ee;
  --bad: #b42424;
  --bad-bg: #fdecec;
  --warn: #8a5a00;
  --warn-bg: #fff5e0;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 35, 70, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 35, 70, 0.08);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--ink-900);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-700); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- TOP BAR ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--brand-900);
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-500));
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff; font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(31,111,209,.25);
}
.nav {
  display: flex;
  gap: 6px;
  margin-left: auto;
  align-items: center;
}
.nav a {
  color: var(--ink-700);
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 6px;
}
.nav a:hover { background: var(--bg-soft); text-decoration: none; }
.nav a.active { color: var(--brand-700); background: var(--brand-50); }
.nav-cta { display: flex; gap: 8px; margin-left: 12px; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand-700); color: #fff; }
.btn-primary:hover { background: var(--brand-800); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--brand-700); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--brand-50); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { background: var(--bg-soft); text-decoration: none; }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn-block { width: 100%; }

/* ---------- HERO ---------- */
.hero {
  background:
    radial-gradient(900px 480px at 88% -20%, rgba(47,134,230,.18), transparent 65%),
    radial-gradient(700px 400px at -10% 0%, rgba(20,84,168,.10), transparent 60%),
    linear-gradient(180deg, #fbfdff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
  padding: 72px 0 48px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-50);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #d6e5f7;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--brand-900);
  margin: 18px 0 14px;
}
.hero p.lede {
  font-size: 17px;
  color: var(--ink-500);
  max-width: 560px;
  margin: 0 0 28px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 28px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-500);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--good); display: inline-block; }

/* ---------- SECTIONS ---------- */
section { padding: 64px 0; }
.section-tight { padding: 48px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 {
  font-size: 30px;
  letter-spacing: -0.015em;
  color: var(--brand-900);
  margin: 0 0 10px;
}
.section-head p { color: var(--ink-500); margin: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- CARDS ---------- */
.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--brand-900); }
.card p { margin: 0; color: var(--ink-500); font-size: 14px; }
.card .icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--brand-50);
  color: var(--brand-700);
  display: grid; place-items: center;
  margin-bottom: 14px;
  font-weight: 700;
}

/* ---------- DASHBOARD PREVIEW ---------- */
.preview-frame {
  background: linear-gradient(180deg, #fff 0%, #f6f9fd 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.preview-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  font-size: 12px;
  color: var(--ink-400);
}
.preview-bar .dots { display: flex; gap: 6px; }
.preview-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; }
.preview-body { padding: 18px; }

.balance-card {
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  color: #fff;
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 14px;
}
.balance-card .label { font-size: 12px; opacity: .8; text-transform: uppercase; letter-spacing: .06em; }
.balance-card .amount { font-size: 28px; font-weight: 700; margin-top: 4px; letter-spacing: -.01em; }
.balance-card .meta { font-size: 12px; opacity: .85; margin-top: 6px; }

.asset-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}
.asset-row:last-child { border-bottom: none; }
.asset-icon { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 11px; }
.btc { background: #f7931a; }
.eth { background: #4a5cd5; }
.usdt { background: #26a17b; }
.asset-name { color: var(--ink-900); font-weight: 600; }
.asset-name small { display: block; color: var(--ink-400); font-weight: 400; font-size: 11px; }
.asset-amt { font-family: var(--mono); font-size: 13px; }
.asset-usd { color: var(--ink-500); font-size: 12px; }

/* ---------- COMPLIANCE BAR ---------- */
.compliance-bar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.compliance-bar .item { font-size: 13px; }
.compliance-bar .item strong { color: var(--brand-900); display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.compliance-bar .item span { color: var(--ink-700); font-family: var(--mono); }

/* ---------- AUTH PAGES ---------- */
.auth-wrap {
  min-height: calc(100vh - 68px - 320px);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-side {
  background: linear-gradient(160deg, var(--brand-900), var(--brand-700));
  color: #fff;
  padding: 60px 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.auth-side h2 { font-size: 28px; line-height: 1.2; margin: 0 0 14px; }
.auth-side p { color: rgba(255,255,255,.8); margin: 0; }
.auth-side ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.auth-side li { font-size: 14px; padding-left: 22px; position: relative; color: rgba(255,255,255,.85); }
.auth-side li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: #7fb6ff; }
.auth-side .reg-line { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 30px; font-family: var(--mono); }

.auth-form-wrap {
  padding: 60px 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-form { width: 100%; max-width: 420px; }
.auth-form h1 { font-size: 26px; margin: 0 0 6px; color: var(--brand-900); }
.auth-form .sub { color: var(--ink-500); margin: 0 0 28px; font-size: 14px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 500; color: var(--ink-700); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 12px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink-900);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(47,134,230,.18);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checkbox {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--ink-500);
  margin: 6px 0 18px;
}
.checkbox input { margin-top: 3px; }
.demo-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--warn-bg);
  color: var(--warn);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 14px;
}
.auth-foot { margin-top: 16px; font-size: 13px; color: var(--ink-500); text-align: center; }
.kyc-note {
  font-size: 12px;
  color: var(--ink-500);
  background: var(--bg-soft);
  padding: 10px 12px;
  border-radius: 6px;
  border-left: 3px solid var(--brand-500);
  margin-top: 14px;
}

/* ---------- DASHBOARD PAGE ---------- */
.dash-wrap {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 68px);
}
.dash-side {
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
}
.dash-side .who {
  padding: 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.dash-side .who .name { font-weight: 600; color: var(--ink-900); font-size: 14px; }
.dash-side .who .tier { font-size: 11px; color: var(--good); background: var(--good-bg); display: inline-block; padding: 2px 6px; border-radius: 4px; margin-top: 4px; }
.dash-side nav { display: flex; flex-direction: column; gap: 2px; }
.dash-side nav a {
  padding: 9px 12px;
  border-radius: 7px;
  color: var(--ink-700);
  font-size: 14px;
}
.dash-side nav a:hover { background: #fff; text-decoration: none; }
.dash-side nav a.active { background: #fff; color: var(--brand-700); font-weight: 600; box-shadow: var(--shadow-sm); }
.dash-main { padding: 32px 36px; }

.dash-banner {
  background: var(--warn-bg);
  border: 1px solid #f1d699;
  color: var(--warn);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 20px;
}

.dash-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}
.metric {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}
.metric .label { font-size: 12px; color: var(--ink-400); text-transform: uppercase; letter-spacing: .06em; }
.metric .value { font-size: 24px; font-weight: 700; color: var(--brand-900); margin-top: 6px; letter-spacing: -.01em; }
.metric .delta { font-size: 12px; color: var(--good); margin-top: 4px; }
.metric.primary { background: linear-gradient(135deg, var(--brand-800), var(--brand-600)); color: #fff; border-color: transparent; }
.metric.primary .label { color: rgba(255,255,255,.75); }
.metric.primary .value { color: #fff; font-size: 30px; }
.metric.primary .delta { color: #d4ecff; }
.metric .actions { margin-top: 14px; display: flex; gap: 8px; }
.metric .btn-secondary { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); }
.metric .btn-secondary:hover { background: rgba(255,255,255,.2); }

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 22px;
}
.panel-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-head h3 { margin: 0; font-size: 15px; color: var(--brand-900); }
.panel-body { padding: 4px 0; }

table.tx {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.tx th, table.tx td {
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.tx th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-400);
  font-weight: 600;
  background: var(--bg-soft);
}
table.tx td.amt { font-family: var(--mono); }
table.tx td.amt.in { color: var(--good); }
table.tx td.amt.out { color: var(--ink-900); }
table.tx tbody tr:last-child td { border-bottom: none; }
.status {
  display: inline-block;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: .03em;
}
.status.ok { background: var(--good-bg); color: var(--good); }
.status.pend { background: var(--warn-bg); color: var(--warn); }
.status.fail { background: var(--bad-bg); color: var(--bad); }

.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 18px;
}
.asset-tile {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}
.asset-tile-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.asset-tile .amt { font-size: 18px; font-weight: 700; color: var(--brand-900); font-family: var(--mono); }
.asset-tile .usd { font-size: 12px; color: var(--ink-400); margin-top: 2px; }
.asset-tile .row { display: flex; justify-content: space-between; align-items: end; }

/* ---------- LEGAL / COMPLIANCE / CONTENT PAGES ---------- */
.page-header {
  background: linear-gradient(180deg, var(--brand-50) 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 32px;
}
.page-header .eyebrow { margin-bottom: 12px; }
.page-header h1 { font-size: 36px; margin: 0 0 10px; color: var(--brand-900); letter-spacing: -.015em; }
.page-header p { color: var(--ink-500); margin: 0; max-width: 720px; }

.content { padding: 48px 0 64px; }
.content-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
}
.content-toc {
  position: sticky;
  top: 84px;
  align-self: start;
  font-size: 13px;
}
.content-toc h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-400); margin: 0 0 10px; }
.content-toc a { display: block; padding: 6px 0; color: var(--ink-700); border-left: 2px solid transparent; padding-left: 10px; margin-left: -12px; }
.content-toc a:hover { color: var(--brand-700); text-decoration: none; }
.prose { max-width: 760px; }
.prose h2 { color: var(--brand-900); font-size: 22px; margin: 32px 0 10px; letter-spacing: -.01em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { color: var(--brand-900); font-size: 16px; margin: 22px 0 8px; }
.prose p, .prose li { color: var(--ink-700); font-size: 15px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose ul li, .prose ol li { margin: 6px 0; }
.prose code { font-family: var(--mono); background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; font-size: 13px; }
.prose .callout {
  background: var(--brand-50);
  border-left: 3px solid var(--brand-500);
  padding: 14px 16px;
  border-radius: 6px;
  margin: 18px 0;
  font-size: 14px;
  color: var(--ink-700);
}
.prose hr { border: none; border-top: 1px solid var(--line); margin: 28px 0; }

.kvp {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  margin: 18px 0;
}
.kvp .k, .kvp .v { padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
.kvp .k { background: var(--bg-soft); color: var(--ink-500); font-size: 13px; font-weight: 500; }
.kvp .v { color: var(--ink-900); font-family: var(--mono); }
.kvp > div:nth-last-child(-n+2) { border-bottom: none; }

/* ---------- HOW IT WORKS ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
  position: relative;
}
.step .num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand-700); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 16px; color: var(--brand-900); }
.step p { margin: 0; font-size: 14px; color: var(--ink-500); }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.contact-info {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
}
.contact-info h3 { margin: 0 0 14px; color: var(--brand-900); font-size: 16px; }
.contact-info dl { margin: 0; display: grid; gap: 14px; }
.contact-info dt { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-400); margin-bottom: 2px; }
.contact-info dd { margin: 0; color: var(--ink-900); font-size: 14px; }
.contact-info dd.mono { font-family: var(--mono); font-size: 13px; }

/* ---------- FOOTER ---------- */
.footer {
  background: #0a1a30;
  color: #c8d3e3;
  padding: 56px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer h5 {
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin: 0 0 14px;
}
.footer .brand { color: #fff; }
.footer .brand-mark { background: rgba(255,255,255,.08); }
.footer .addr { font-size: 13px; color: #9aaac4; line-height: 1.6; margin-top: 14px; max-width: 280px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer ul a { color: #c8d3e3; font-size: 13px; }
.footer ul a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-top: 22px;
  font-size: 12px;
  color: #8093ad;
  flex-wrap: wrap;
}
.footer-bottom p { margin: 0; max-width: 720px; line-height: 1.6; }
.disclaimer-tag { font-size: 11px; color: #ffb46b; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .hero-grid, .grid-3, .grid-2, .grid-4, .steps, .contact-grid, .auth-wrap, .dash-wrap, .dash-top, .asset-grid, .footer-grid, .content-grid, .field-row {
    grid-template-columns: 1fr !important;
  }
  .hero h1 { font-size: 34px; }
  .nav { display: none; }
  .nav-cta { margin-left: auto; }
  .auth-side { padding: 40px 28px; }
  .auth-form-wrap { padding: 40px 28px; }
  .dash-side { border-right: none; border-bottom: 1px solid var(--line); }
  .dash-main { padding: 24px 18px; }
  .content-toc { display: none; }
}

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
  transition: box-shadow .15s ease;
}
.faq details[open] { box-shadow: 0 6px 20px rgba(20,84,168,.06); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand-900);
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--brand-500);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq p {
  margin: 12px 0 2px;
  color: var(--ink-700);
  font-size: 14px;
  line-height: 1.65;
}