:root {
  --gp-site-header-height: 88px;
  --gp-site-ink: #07131b;
  --gp-site-surface: #0d1a22;
  --gp-site-text: #f2f3ee;
  --gp-site-muted: #a9b3b8;
  --gp-site-line: #ffffff26;
  --gp-site-accent: #cba660;
}

html {
  scroll-padding-top: 0;
}

.gp-site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  inset-inline: 0;
  display: flex;
  width: 100%;
  height: var(--gp-site-header-height);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 clamp(22px, 4.4vw, 72px);
  border-bottom: 1px solid var(--gp-site-line);
  background: var(--gp-site-ink);
  color: var(--gp-site-text);
  font-family: "Instrument Sans", Arial, sans-serif;
}

#site-header > .gp-site-header {
  pointer-events: auto;
}

body.gp-site-inner-shell main {
  padding-top: var(--gp-site-header-height);
}

body.gp-site-inner-shell main > :first-child:is(.page-hero, .article-hero, .gp-hero) {
  margin-top: calc(-1 * var(--gp-site-header-height));
}

.gp-site-wordmark {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 5px;
  color: var(--gp-site-text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}

.gp-site-wordmark span {
  color: var(--gp-site-accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0;
}

.gp-site-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 1.55vw, 25px);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  line-height: 1.3;
  text-transform: uppercase;
}

.gp-site-nav a,
.gp-site-menu-panel a {
  color: var(--gp-site-text);
  text-decoration: none;
  text-underline-offset: 5px;
}

.gp-site-nav a:hover,
.gp-site-menu-panel a:hover {
  color: var(--gp-site-accent);
}

.gp-site-nav .gp-site-contact {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid #ffffff55;
  border-radius: 24px;
}

body .page-hero .button.primary,
body .article-hero .button.primary,
body .cta-band .button.primary,
body .contact-form .button.primary,
body .gp-closing .gp-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 16px 24px;
  border: 1px solid transparent;
  border-radius: 32px;
  background: #f2f3ee;
  color: #10181d;
  font: 600 14px/1.4 "Instrument Sans", Arial, sans-serif;
}

body .contact-form .button.primary {
  background: #102b3d;
  color: #f2f3ee;
}

body .page-hero .button.primary:hover,
body .article-hero .button.primary:hover,
body .cta-band .button.primary:hover,
body .gp-closing .gp-primary-cta:hover {
  background: #dac28f;
  color: #10181d;
}

.gp-site-menu {
  display: none;
  position: relative;
  font-family: "IBM Plex Mono", monospace;
}

.gp-site-menu summary {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid #ffffff55;
  color: var(--gp-site-text);
  cursor: pointer;
  font-size: 11px;
  list-style: none;
  text-transform: uppercase;
}

.gp-site-menu summary::-webkit-details-marker { display: none; }

.gp-site-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 2;
  display: grid;
  width: min(84vw, 340px);
  padding: 8px;
  border: 1px solid var(--gp-site-line);
  background: var(--gp-site-surface);
  box-shadow: 0 12px 28px #0006;
}

.gp-site-menu-panel a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 9px 12px;
  font-size: 11px;
}

.gp-site-header :focus-visible,
.gp-site-skip:focus-visible {
  outline: 2px solid var(--gp-site-accent);
  outline-offset: 4px;
}

.gp-site-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1001;
  padding: 11px 14px;
  transform: translateY(-160%);
  background: var(--gp-site-text);
  color: var(--gp-site-ink);
  font: 12px "IBM Plex Mono", monospace;
}

.gp-site-skip:focus { transform: translateY(0); }

main#main-content,
main [id],
body :target {
  scroll-margin-top: calc(var(--gp-site-header-height) + 14px);
}

.gp-site-footer {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 1.2fr) auto;
  align-items: center;
  gap: 26px;
  min-height: 132px;
  padding: 27px clamp(22px, 4.4vw, 72px);
  border-top: 1px solid var(--gp-site-line);
  background: var(--gp-site-ink);
  color: var(--gp-site-muted);
  font-family: "Instrument Sans", Arial, sans-serif;
}

.gp-site-footer .gp-site-wordmark { color: var(--gp-site-text); }
.gp-site-footer p { max-width: 36ch; margin: 0; color: var(--gp-site-muted); font-size: 13px; }
.gp-site-footer small { color: var(--gp-site-muted); font: 9px/1.7 "IBM Plex Mono", monospace; }
.gp-site-footer small a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }

.gp-site-form-status {
  margin: 12px 0 0;
  color: var(--gp-site-accent);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 1120px) {
  :root { --gp-site-header-height: 76px; }
  .gp-site-header { padding-inline: 22px; }
  .gp-site-nav { display: none; }
  .gp-site-menu { display: block; }
  .gp-site-footer { grid-template-columns: 1fr 1fr; }
  .gp-site-footer small { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .gp-site-header { padding-inline: 18px; }
  .gp-site-wordmark { font-size: 16px; }
  .gp-site-footer { grid-template-columns: 1fr; gap: 17px; padding: 28px 20px; }
  .gp-site-footer small { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}