:root {
  --bg: #07111f;
  --bg-soft: #0b1729;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(255, 255, 255, 0.09);
  --stroke: rgba(255, 255, 255, 0.11);
  --text: #edf5ff;
  --muted: #a6b7ca;
  --blue: #3b82f6;
  --cyan: #22d3ee;
  --green: #34d399;
  --radius: 20px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  --display: "Sora", "Segoe UI", sans-serif;
  --body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(59, 130, 246, 0.18), transparent 34rem),
    radial-gradient(circle at 90% 15%, rgba(52, 211, 153, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: #7dd3fc; text-underline-offset: 3px; }
a:hover { color: #bae6fd; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  color: #06111e;
  background: #fff;
  border-radius: 10px;
  font-weight: 700;
}
.skip-link:focus { top: 16px; }

.site-header {
  border-bottom: 1px solid var(--stroke);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.shell { width: min(960px, calc(100% - 40px)); margin-inline: auto; }

.topbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
}
.brand img { width: 38px; height: 38px; }
.brand small { display: block; color: var(--muted); font-size: 10px; letter-spacing: 1.2px; }

.page-nav { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.page-nav a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.page-nav a:hover, .page-nav a[aria-current="page"] { color: var(--text); background: var(--surface-strong); }

.hero { padding: 78px 0 44px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: #67e8f9;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.7px;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--green)); }

h1, h2, h3 { font-family: var(--display); line-height: 1.2; }
h1 { max-width: 780px; margin: 0; font-size: clamp(36px, 7vw, 64px); letter-spacing: -1.8px; }
h1 span {
  background: linear-gradient(100deg, #60a5fa, var(--cyan), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { max-width: 720px; margin: 24px 0 0; color: var(--muted); font-size: 18px; }
.updated { display: inline-block; margin-top: 20px; color: #c6d5e6; font-size: 13px; }

.notice {
  margin: 12px 0 32px;
  padding: 18px 20px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 16px;
  background: rgba(34, 211, 238, 0.07);
  color: #d7f7fc;
}

.content { padding-bottom: 84px; }
.content-card, .action-card {
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.content-card { padding: clamp(24px, 5vw, 48px); }
.content-card section + section { margin-top: 42px; padding-top: 38px; border-top: 1px solid var(--stroke); }
.content-card h2 { margin: 0 0 14px; font-size: clamp(23px, 4vw, 30px); }
.content-card h3 { margin: 22px 0 8px; font-size: 18px; }
.content-card p { margin: 0 0 14px; color: #d4dfeb; }
.content-card ul, .content-card ol { margin: 12px 0 0; padding-left: 24px; color: #d4dfeb; }
.content-card li + li { margin-top: 8px; }
.content-card strong { color: #fff; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.action-card { display: flex; flex-direction: column; padding: 26px; }
.action-card .icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.24), rgba(52, 211, 153, 0.2));
  font-size: 22px;
}
.action-card h2 { margin: 0 0 10px; font-size: 23px; }
.action-card p { flex: 1; margin: 0 0 22px; color: var(--muted); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 11px 16px;
  border-radius: 11px;
  background: linear-gradient(100deg, var(--blue), #0891b2, #059669);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.button:hover { color: #fff; filter: brightness(1.1); }

.contact-box {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: 16px;
  background: rgba(52, 211, 153, 0.07);
}
.contact-box p:last-child { margin-bottom: 0; }

.site-footer { padding: 30px 0 42px; border-top: 1px solid var(--stroke); color: var(--muted); font-size: 14px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-row nav { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 960px); }
  .topbar { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .page-nav { justify-content: flex-start; }
  .page-nav a { padding-left: 0; margin-right: 12px; }
  .hero { padding-top: 54px; }
  .grid { grid-template-columns: 1fr; }
  .content-card { border-radius: 16px; }
}

@media print {
  :root { --text: #111827; --muted: #4b5563; }
  body { background: #fff; color: var(--text); }
  .site-header, .site-footer, .button { display: none; }
  .hero { padding: 24px 0; }
  .content-card { padding: 0; border: 0; box-shadow: none; background: none; }
  .content-card p, .content-card ul, .content-card ol { color: #1f2937; }
}