:root {
  --brand: #31EFF2;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;
}

/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #ffffff;
  color: var(--text);
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }

/* Global container spacing */
.container { max-width: 1040px; margin: 0 auto; padding: 0 32px; }
@media (min-width: 1280px) { .container { max-width: 1160px; } }

/* Header */
.header {
  background: var(--brand);
}

.nav {
  display: flex;
  align-items: center;      /* centers logo + links vertically */
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 12px 32px;       /* even vertical + horizontal padding */
  height: 72px;             /* consistent bar height */
}

.brand img {
  height: 42px;             /* good size for balance with text */
  display: block;
}

.navlinks {
  display: flex;
  align-items: center;      /* ensures links align vertically */
}

.navlinks a {
  margin-left: 28px;
  font-size: 16px;          /* slightly larger for balance */
  font-weight: 600;
  color: #ffffff;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.navlinks a:first-child {
  margin-left: 0;
}

.navlinks a:hover {
  text-decoration: underline;
  opacity: .9;
}

/* Cards / sections */
.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  margin: 28px 0;
}
.section { padding: 28px; }

/* Type */
.title {
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: 0.1px;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.subtitle { margin: 0 0 14px; color: var(--muted); }
.prose { line-height: 1.75; font-family: "Manrope", system-ui, sans-serif; }
.prose h1, .prose h2, .prose h3 { margin: 0 0 10px; line-height: 1.25; font-family: "Manrope", system-ui, sans-serif; }
.prose p { margin: 0 0 12px; }

/* Button */
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 10px;
  font-family: "Manrope", system-ui, sans-serif;
}
.btn:hover { filter: brightness(.96); }

/* Footer */
footer {
  margin-top: 40px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px; /* smaller copyright text */
  font-family: "Manrope", system-ui, sans-serif;
}