/* ============================================================
   AsterPay shared theme — extracted from the /new/ homepage design.
   Single source of truth for fonts + colours + chrome across all
   subpages. Link this on every page and drop the page's bespoke
   <style> palette/fonts. The old indigo + Inter theme is retired.
   ============================================================ */
@import url("https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Hanken+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --ink: #0d130f;
  --paper: #f5f6f2;
  --muted: #525a53;
  --green: #0fb36b;
  --green-deep: #0a9c5c;
  --green-ink: #04190f;
  --green-bright: #2ce28d;
  --line: rgba(13, 19, 15, 0.12);
  --line-2: rgba(13, 19, 15, 0.2);
  --bad: #d24b34;
  --display: "Sora", ui-sans-serif, system-ui, sans-serif;
  --body: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --x: clamp(20px, 6vw, 96px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  font-size: 18px;
  line-height: 1.5;
}
/* soft ambient aura behind light sections */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46% 38% at 12% 4%, rgba(15, 179, 107, 0.13), transparent 62%),
    radial-gradient(40% 34% at 92% 16%, rgba(44, 226, 141, 0.11), transparent 64%),
    radial-gradient(48% 40% at 78% 78%, rgba(59, 130, 246, 0.07), transparent 66%),
    radial-gradient(42% 36% at 4% 70%, rgba(15, 179, 107, 0.06), transparent 64%);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--green-deep); outline-offset: 3px; }

h1, h2, h3, h4, h5, p { margin: 0; }
h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.04em;
}
h1 .g { color: var(--green-deep); }
h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.025em;
}
.lede {
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.4;
  color: var(--muted);
  font-weight: 500;
}
.pkick {
  font-family: var(--display); font-weight: 700; font-size: 13px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-deep);
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--x); }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--x);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  backdrop-filter: blur(12px);
}
.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo img { width: 30px; height: 30px; display: block; }
.logo span { font-family: var(--display); font-weight: 800; font-size: 23px; letter-spacing: -0.03em; }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-signin { font-weight: 700; font-size: 16px; }
.nav-signin:hover { color: var(--green-deep); }
.nav a.cta {
  font-weight: 700; font-size: 16px;
  padding: 11px 20px; border-radius: 100px;
  background: var(--ink); color: var(--paper);
}
.nav a.cta:hover { background: #1b231d; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(16px, 1.5vw, 19px);
  height: clamp(52px, 5.4vw, 64px);
  padding: 0 clamp(22px, 3vw, 34px);
  border: 2px solid transparent; border-radius: 100px;
  cursor: pointer; transition: transform 0.14s ease, background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-green { background: var(--green); color: var(--green-ink); }
.btn-green:hover { background: var(--green-deep); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: #1b231d; }
.btn-outline { background: transparent; border-color: var(--line-2); }
.btn-outline:hover { border-color: var(--ink); }
.arr { font-size: 1.1em; line-height: 0; }

/* page hero (subpage variant — smaller than homepage) */
.page-hero { padding: clamp(48px, 8vw, 104px) 0 clamp(24px, 4vw, 48px); }
.page-hero h1 { font-size: clamp(38px, 6vw, 76px); max-width: 18ch; }
.page-hero .lede { margin-top: clamp(18px, 2.4vw, 28px); max-width: 44ch; }

/* generic section + card */
.section { padding: clamp(40px, 6vw, 80px) 0; }
.card {
  background: #fff; border: 1.5px solid var(--line); border-radius: 24px;
  padding: clamp(24px, 3vw, 38px);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: 0 18px 40px -28px rgba(13, 19, 15, 0.4); }

/* prose — long-form content pages (docs, legal, learn, blog) */
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(26px, 3.4vw, 40px); margin: clamp(40px, 5vw, 60px) 0 16px; }
.prose h3 { font-size: clamp(20px, 2.4vw, 27px); margin: clamp(28px, 3.4vw, 40px) 0 12px; }
.prose p { margin: 0 0 18px; color: var(--ink); }
.prose .lede { margin-bottom: 28px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { margin: 0 0 8px; }
.prose a { color: var(--green-deep); font-weight: 600; border-bottom: 2px solid rgba(15, 179, 107, 0.3); }
.prose a:hover { border-bottom-color: var(--green); }
.prose code {
  font-family: var(--mono); font-size: 0.9em;
  background: rgba(13, 19, 15, 0.06); padding: 2px 7px; border-radius: 6px;
}
.prose pre {
  background: var(--green-ink); color: #d9efe2; border-radius: 16px;
  padding: 18px 20px; overflow: auto; font-family: var(--mono); font-size: 14px; line-height: 1.7;
  margin: 0 0 22px;
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 16px; }
.prose th, .prose td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.prose th { font-family: var(--display); font-weight: 700; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: clamp(32px, 4vw, 48px) 0; }
.prose blockquote {
  margin: 0 0 22px; padding: 4px 0 4px 20px; border-left: 3px solid var(--green);
  color: var(--muted);
}

/* footer (mirrors the /new/ footer) */
.footer { background: var(--ink); color: var(--paper); }
.footer .wrap { padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(40px, 5vw, 56px); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: clamp(28px, 4vw, 48px); }
.footer .logo span { color: var(--paper); }
.footer-brand p { margin-top: 16px; max-width: 30ch; color: rgba(245, 246, 242, 0.6); font-size: 16px; }
.footer h5 {
  font-family: var(--display); font-weight: 700; font-size: 14px;
  letter-spacing: 0.04em; text-transform: uppercase; color: rgba(245, 246, 242, 0.55);
  margin-bottom: 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer ul a { color: rgba(245, 246, 242, 0.85); font-size: 16px; font-weight: 500; }
.footer ul a:hover { color: var(--green-bright); }
.footer-bottom {
  margin-top: clamp(40px, 5vw, 64px); padding-top: 24px;
  border-top: 1px solid rgba(245, 246, 242, 0.14);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 14px; color: rgba(245, 246, 242, 0.55);
}
.footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom-links a:hover { color: var(--paper); }
.footer-disclaimer { margin-top: 16px; font-size: 12.5px; line-height: 1.55; color: rgba(245, 246, 242, 0.4); }

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .nav-signin { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}