@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap");

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #111827;
  background: radial-gradient(circle at top left, #ffffff 0, #f3f6fb 45%, #e5ecf7 100%);
}

a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.2s ease, box-shadow 0.2s ease;
}

a:hover,
a:focus-visible {
  color: #1d4ed8;
  box-shadow: 0 2px 0 0 rgba(37, 99, 235, 0.5);
}

.wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

.page-inner {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94));
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.28);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.92),
    rgba(255, 255, 255, 0.8),
    transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-title {
  font-weight: 600;
  letter-spacing: 0.03em;
}

.site-nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.page-content {
  padding: 2.5rem 0 3rem;
}

h1,
h2,
h3 {
  color: #0f172a;
  font-weight: 600;
}

h1 {
  font-size: 1.9rem;
  margin-top: 0;
}

h2 {
  margin-top: 2rem;
  font-size: 1.4rem;
}

p {
  line-height: 1.7;
  color: #4b5563;
}

ul {
  color: #4b5563;
}

.hero {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.hero-lead {
  margin-top: 0.75rem;
  max-width: 40rem;
}

.hero-actions {
  margin-top: 1.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
  border: none;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: #ffffff;
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.5);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  padding: 1.2rem 0 2rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-inner {
    padding: 1.25rem;
  }
}