:root {
  --bg: #0b1220;
  --bg-2: #131a2b;
  --bg-3: #1a2236;
  --text: #e6edf6;
  --muted: #94a3b8;
  --muted-2: #5a6478;
  --accent: #7dd3fc;
  --accent-dim: #5995b5;
  --accent-glow: rgba(125, 211, 252, 0.18);
  --line: #1d2740;
  --line-2: #2a3550;
  --warn: #fbbf24;

  --base: #2a6df4;
  --solana: #14f195;
  --jpyc: #d94454;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms ease; }
a:hover { border-bottom-color: var(--accent); }
code, .mono { font-family: var(--font-mono); font-size: 0.92em; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* ─── topbar ─── */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  border-bottom: none;
}
.brand:hover { color: var(--accent); border-bottom: none; }
.brand .dim { color: var(--muted); }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); font-size: 14px; border-bottom: none; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) {
  .nav a:not(.nav-cta) { display: none; }
}
.nav-cta {
  border: 1px solid var(--accent-dim);
  color: var(--accent) !important;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 13px;
}
.nav-cta:hover { background: var(--accent-glow); }

/* ─── hero ─── */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(125, 211, 252, 0.1), transparent 60%),
    radial-gradient(600px 300px at 10% 30%, rgba(125, 211, 252, 0.06), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: start; }
@media (max-width: 880px) { .hero .container { grid-template-columns: 1fr; } }
.hero-logo {
  width: 180px; height: 180px; flex-shrink: 0;
  border-radius: 28px;
  position: relative;
  filter: drop-shadow(0 20px 50px rgba(125, 211, 252, 0.18));
}
@media (max-width: 880px) {
  .hero-logo { width: 96px; height: 96px; border-radius: 18px; margin-bottom: 12px; }
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 44px;
  line-height: 1.55;
}

/* ─── rails section ─── */
.rails-section { padding: 20px 0 50px; }

/* ─── flow / "the dance" ─── */
.flow-section { padding: 30px 0 60px; border-top: 1px solid var(--line); }
.flow-blurb { color: var(--muted); font-size: 14px; max-width: 640px; margin-bottom: 24px; }
.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 880px) { .flow-grid { grid-template-columns: 1fr; } }
.flow-step {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  position: relative;
}
.flow-step-h {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--muted);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  text-transform: lowercase;
}
.flow-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  border-radius: 50%;
  font-size: 11px; font-weight: 600;
  font-family: var(--font-mono);
}
.flow-step pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  overflow-x: auto;
  line-height: 1.55;
  white-space: pre;
}
.flow-step .resp-402 { color: var(--warn); font-weight: 600; }
.flow-step .resp-200 { color: var(--accent); font-weight: 600; }

/* ─── rails ─── */
.rails {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 36px;
}
@media (max-width: 640px) { .rails { grid-template-columns: 1fr; } }
.rail {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  transition: transform 200ms ease, border-color 200ms ease;
}
.rail::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--rail-color, var(--accent));
  opacity: 0.7;
}
.rail:hover { transform: translateY(-2px); border-color: var(--line-2); }
.rail-name {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.rail-asset {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
}
.rail-hook {
  font-size: 12px;
  font-family: var(--font-mono);
  background: rgba(217, 68, 84, 0.15);
  color: var(--jpyc);
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
}
.rail-detail {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* ─── cta ─── */
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  border-bottom: none;
  transition: transform 120ms ease, background 120ms ease;
}
.btn:hover { transform: translateY(-1px); border-bottom: none; }
.btn-primary {
  background: var(--accent);
  color: #0b1220 !important;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { background: #a5dffd; }
.btn-ghost {
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { border-color: var(--muted-2); background: var(--bg-2); }

/* ─── currency toggle ─── */
.currency-toggle {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-mono);
}
.currency-toggle .switch {
  display: inline-flex;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 3px;
}
.currency-toggle button {
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: color 120ms ease, background 120ms ease;
}
.currency-toggle button.active {
  background: var(--bg-3);
  color: var(--text);
}

/* ─── services ─── */
.services { padding: 60px 0 80px; }
.section-title {
  font-size: 13px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 8px;
}
.section-h2 {
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.02em;
  font-weight: 600;
  margin-bottom: 48px;
}
.cat { margin-top: 56px; margin-bottom: 4px; }
.cat:first-of-type { margin-top: 0; }
.cat-title {
  display: flex; align-items: baseline; gap: 14px;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.cat-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 3px 10px;
  border-radius: 100px;
}
.cat-blurb {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  color: var(--text);
  border-bottom: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  display: flex; flex-direction: column; gap: 8px;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-dim);
  background: #161e30;
  border-bottom: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.endpoint {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}
.endpoint .method {
  display: inline-block;
  background: var(--bg-3);
  color: var(--muted);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
  font-weight: 500;
}
.card .desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* Currency toggle behavior */
body[data-currency="usd"] .jpy { display: none; }
body[data-currency="jpy"] .usd { display: none; }

/* ─── content section ─── */
.content { padding: 40px 0 100px; }
.content h1 { font-size: clamp(30px, 4vw, 44px); letter-spacing: -0.02em; font-weight: 700; margin: 0 0 22px; color: var(--text); }
.content h2 {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 56px 0 16px;
}
.content h2:first-child { margin-top: 0; }
.content p { color: var(--text); margin-bottom: 14px; max-width: 720px; }
.content ul, .content ol { margin: 0 0 18px 22px; max-width: 720px; }
.content li { margin-bottom: 6px; color: var(--text); }
.content li::marker { color: var(--muted); }
.content strong { color: var(--text); font-weight: 600; }
.content code {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}
.content blockquote {
  border-left: 2px solid var(--accent-dim);
  padding: 4px 0 4px 18px;
  margin: 18px 0;
  color: var(--muted);
}
.content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 14px 0 24px;
}
.content table th, .content table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.content table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
}
.content table tr:hover td { background: var(--accent-glow); }

/* ─── footer ─── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  color: var(--muted);
  font-size: 13px;
}
.site-footer .container {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.site-footer .links { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); border-bottom: none; }
.site-footer a:hover { color: var(--accent); }