:root {
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-glow: rgba(37, 99, 235, 0.35);
  --green: #059669;
  --bg: #07090F;
  --bg2: #0C1120;
  --surface: #141E30;
  --surface2: #1A2540;
  --border: rgba(37, 99, 235, 0.18);
  --border2: rgba(255, 255, 255, 0.07);
  --text: #EDF2FF;
  --text2: #8FA3BF;
  --text3: #64748B;
  --white: #FFFFFF;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: -0.1px;
  overflow-x: hidden;
}

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 2rem; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border2);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a {
  color: var(--text2); text-decoration: none;
  font-size: 0.9rem; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 8px;
  font-size: 0.875rem; font-weight: 600;
  background: var(--blue); color: var(--white);
  text-decoration: none; border: none; cursor: pointer;
  transition: all .2s; white-space: nowrap;
}
.btn-primary:hover { background: #1D4ED8; transform: translateY(-1px); }

/* ── LAYOUT ── */
.docs-layout {
  max-width: 1280px; margin: 0 auto;
  padding: 96px 2rem 5rem;
  display: grid; grid-template-columns: 240px 1fr;
  gap: 3.5rem; align-items: start;
}

.sidebar { position: sticky; top: 96px; }
.sidebar-group { margin-bottom: 1.75rem; }
.sidebar-title {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--text3); margin-bottom: 0.75rem;
}
.sidebar a {
  display: block; padding: 7px 12px; margin-left: -12px;
  color: var(--text2); text-decoration: none;
  font-size: 0.9rem; border-radius: 7px;
  transition: all .18s;
}
.sidebar a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.sidebar a.active {
  color: var(--white); background: rgba(37,99,235,0.14);
  font-weight: 600;
}

/* ── CONTENT ── */
.content { min-width: 0; max-width: 780px; }

.breadcrumb {
  font-size: 0.8rem; color: var(--text3);
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: var(--text3); text-decoration: none; }
.breadcrumb a:hover { color: var(--text2); }

.doc-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 13px; border-radius: 100px;
  background: rgba(5,150,105,0.12); border: 1px solid rgba(5,150,105,0.3);
  font-size: 0.76rem; font-weight: 600; color: #34D399;
  margin-bottom: 1.25rem;
}
.doc-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #34D399;
}

h1 {
  font-size: 2.5rem; font-weight: 800;
  letter-spacing: -1.2px; line-height: 1.15;
  margin-bottom: 0.85rem;
}
.lead {
  font-size: 1.08rem; color: var(--text2);
  margin-bottom: 2.5rem; line-height: 1.7;
}

h2 {
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: -0.5px; margin: 3rem 0 1rem;
  padding-top: 1.5rem; border-top: 1px solid var(--border2);
}
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 2rem; }

h3 {
  font-size: 1.08rem; font-weight: 650;
  margin: 1.75rem 0 0.6rem; color: var(--white);
}

p { color: var(--text2); margin-bottom: 1rem; }
.content ul, .content ol { color: var(--text2); margin: 0 0 1rem 1.25rem; }
.content li { margin-bottom: 0.45rem; }
strong { color: var(--text); font-weight: 600; }
a.inline { color: var(--blue-light); text-decoration: none; }
a.inline:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.86em; background: var(--surface);
  border: 1px solid var(--border2);
  padding: 2px 6px; border-radius: 5px; color: #93C5FD;
}

/* ── STEPS ── */
.steps { counter-reset: step; margin: 1.5rem 0; }
.step {
  position: relative; padding-left: 3rem;
  padding-bottom: 1.5rem; counter-increment: step;
}
.step:not(:last-child) { border-left: 1px solid var(--border2); margin-left: 1rem; padding-left: 2rem; }
.step:last-child { margin-left: 1rem; padding-left: 2rem; }
.step::before {
  content: counter(step);
  position: absolute; left: -16px; top: -2px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; font-weight: 700; color: var(--blue-light);
}
.step h3 { margin-top: 0; }

/* ── CARDS ── */
.card-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1rem; margin: 1.5rem 0;
}
.card {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 12px; padding: 1.35rem;
  transition: all .2s;
}
a.card { text-decoration: none; display: block; }
a.card:hover { border-color: var(--border); transform: translateY(-2px); }
.card-icon { font-size: 1.5rem; margin-bottom: 0.6rem; display: block; }
.card h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.card p { font-size: 0.88rem; margin: 0; color: var(--text3); }

/* ── CALLOUT ── */
.callout {
  background: rgba(37,99,235,0.07);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 10px; padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--blue-light); }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 460px; }
th, td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border2); }
th { color: var(--text); font-weight: 650; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.4px; }
td { color: var(--text2); }

/* ── CTA ── */
.cta-box {
  background: linear-gradient(135deg, rgba(37,99,235,0.14), rgba(5,150,105,0.08));
  border: 1px solid var(--border);
  border-radius: 14px; padding: 2rem;
  margin: 3rem 0 0; text-align: center;
}
.cta-box h3 { margin-top: 0; font-size: 1.25rem; }
.cta-box p { margin-bottom: 1.35rem; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border2);
  padding: 2.5rem 2rem;
  text-align: center; color: var(--text3); font-size: 0.85rem;
}
footer a { color: var(--text2); text-decoration: none; margin: 0 0.6rem; }
footer a:hover { color: var(--text); }
.footer-links { margin-bottom: 0.85rem; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; gap: 2rem; padding: 88px 1.5rem 4rem; }
  .sidebar {
    position: static;
    background: var(--surface); border: 1px solid var(--border2);
    border-radius: 12px; padding: 1.25rem;
  }
  .sidebar-group { margin-bottom: 1.25rem; }
  .sidebar-group:last-child { margin-bottom: 0; }
}

@media (max-width: 768px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none; }
  h1 { font-size: 2rem; letter-spacing: -0.8px; }
  h2 { font-size: 1.3rem; margin: 2.25rem 0 0.85rem; }
  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .docs-layout { padding: 80px 1rem 3rem; }
  h1 { font-size: 1.65rem; }
  .lead { font-size: 1rem; margin-bottom: 2rem; }
  .nav-logo img { height: 30px; }
  .btn-primary { font-size: 0.8rem; padding: 8px 14px; }
  .step, .step:last-child, .step:not(:last-child) { padding-left: 1.75rem; margin-left: 0.9rem; }
  .cta-box { padding: 1.5rem 1.25rem; }
}