*, *::before, *::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html, body {
  height: 100%;
}
body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}
input, button, textarea, select {
  font: inherit;
}
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}


body {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  font-size: 1em;
  font-weight: 400;
  line-height: 1.7;
  background: #f1f5f9;
  color: #0f172a;
  position: relative;
  padding-bottom: 6.5em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h1 { font-size: 3em; }
h2 { font-size: 2.1em; margin-bottom: 1.618em; }
h3 { font-size: 1.4em; }
h4 { font-size: 1.1em; }
p  { font-size: 1em; line-height: 1.7; margin-bottom: 1em; }
a  { color: #1e3a8a; }
a:hover { color: #1e40af; }
ul, ol { padding-left: 1.618em; }
strong { font-weight: 700; }
hr { border: none; border-top: 1px solid #e2e8f0; margin: 1.618em 0; }


.u-flex        { display: flex; }
.u-grid        { display: grid; }
.u-column      { flex-direction: column; }
.u-wrap        { flex-wrap: wrap; }
.u-between     { justify-content: space-between; }
.u-middle      { align-items: center; }
.u-center      { text-align: center; }
.u-gap-1       { gap: 0.618em; }
.u-gap-2       { gap: 1em; }
.u-gap-3       { gap: 1.618em; }
.u-gap-4       { gap: 2.618em; }
.u-mt-2        { margin-top: 1em; }
.u-mt-3        { margin-top: 1.618em; }
.u-mt-4        { margin-top: 2.618em; }
.u-mb-2        { margin-bottom: 1em; }
.u-mb-3        { margin-bottom: 1.618em; }
.u-mono        { font-family: 'IBM Plex Mono', 'Consolas', monospace; font-weight: 500; }
.u-upper       { text-transform: uppercase; letter-spacing: 0.16em; }
.u-small       { font-size: 0.82em; }
.u-lead        { font-size: 1.12em; color: #334155; }
.u-muted       { color: #64748b; }
.u-ink         { color: #0f172a; }
.u-accent      { color: #1e3a8a; }
.u-frost       { color: #0ea5e9; }
.u-bold        { font-weight: 700; }
.u-plain       { list-style: none; padding-left: 0; }
.u-full        { width: 100%; }
.u-relative    { position: relative; }
.u-nowrap      { white-space: nowrap; }
.u-strike      { text-decoration: line-through; }
.u-fit         { min-width: 0; }
.u-block       { display: block; }
.u-hair        { border-bottom: 1px solid #e2e8f0; }
.u-clean       { text-decoration: none; }
.u-crisp       { -webkit-font-smoothing: antialiased; }
.u-link-quiet  { text-decoration: none; }
.u-link-quiet:hover { text-decoration: underline; }


.u-secondary { display: block; }
.is-decoration { pointer-events: none; }


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  font-family: 'IBM Plex Mono', 'Consolas', monospace;
  font-weight: 600;
  font-size: 0.94em;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: 0.5em;
  padding: 0.85em 1.6em;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.btn::after {
  content: " \2192";
  display: inline-block;
  transition: transform 0.2s;
}
.btn:hover::after { transform: translateX(0.25em); }

.btn--primary {
  background: #1e3a8a;
  color: #ffffff;
  box-shadow: 0 0.5em 1.4em rgba(30, 58, 138, 0.28);
}
.btn--primary:hover { background: #1e40af; color: #ffffff; }

.btn--frost {
  background: #0ea5e9;
  color: #04222f;
  box-shadow: 0 0.5em 1.4em rgba(14, 165, 233, 0.32);
}
.btn--frost:hover { background: #38bdf8; color: #04222f; }

.btn--ghost {
  background: transparent;
  color: #1e3a8a;
  border: 1px solid #1e3a8a;
  box-shadow: none;
}
.btn--ghost:hover { background: #e2e8f0; color: #1e40af; }


.btn--ghost-frost {
  background: transparent;
  color: #e0f2fe;
  border: 1px solid #7dd3fc;
  box-shadow: none;
}
.btn--ghost-frost:hover { background: rgba(125, 211, 252, 0.16); color: #ffffff; }

.btn--wide { width: 100%; }
.btn--flat::after { content: none; }


@media (max-width: 900px) {
  h1 { font-size: 2.4em; }
  h2 { font-size: 1.8em; }
}
@media (max-width: 768px) {
  body { padding-bottom: 5em; }
  .u-secondary { display: none; }
  .is-decoration { display: none; }
  h1 { font-size: 2em; }
  .btn { width: 100%; }
  .btn--auto { width: auto; }
}