/* ==========================================================================
   Public-site chrome: header (partials/site_header.html), mobile drawer
   variant, footer (base.html) and the section scaffolding public pages share.
   Loaded on customer pages only.
   ========================================================================== */

/* Public pages get full-size touch targets on every Bootstrap button
   (not .btn-link, which also sits inline inside sentences). */
.btn:not(.btn-link) {
  min-height: var(--gk-control-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gk-space-2);
}
.btn-sm {
  min-height: var(--gk-control-h-sm);
}
.btn-close {
  min-width: 44px;
  min-height: 44px;
}

.gk-link {
  color: var(--gk-link);
  text-decoration: underline;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--gk-z-sticky);
  background: var(--gk-surface);
  border-bottom: var(--gk-border-w) solid var(--gk-border);
}
.site-header .navbar {
  min-height: var(--gk-header-h);
  padding-block: var(--gk-space-2);
  background: transparent;
}
.site-header .gk-container {
  display: flex;
  align-items: center;
  gap: var(--gk-space-3);
  flex-wrap: nowrap;
}
.site-header .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin: 0;
  padding: 0;
  color: var(--gk-ink);
  text-decoration: none;
}
/* The mark is square artwork: fixed square box, never stretched or cropped. */
.site-header .navbar-brand img {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.site-brand-text {
  font-family: var(--gk-font-display);
  font-size: 1.3rem;
  font-weight: var(--gk-weight-bold);
  line-height: 1;
  white-space: nowrap;
}
.site-header__desktop .navbar-nav {
  gap: var(--gk-space-1);
}
.site-header .nav-item {
  margin: 0;
}
.site-header .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--gk-space-3);
  color: var(--gk-text-secondary);
  font-size: 0.9375rem;
  font-weight: var(--gk-weight-medium);
  white-space: nowrap;
  border-radius: var(--gk-radius-sm);
  transition: color var(--gk-duration) var(--gk-ease), background-color var(--gk-duration) var(--gk-ease);
}
.site-header .nav-link:hover {
  color: var(--gk-ink);
  background: var(--gk-surface-muted);
}
.site-header .nav-link.active {
  color: var(--gk-ink);
  font-weight: var(--gk-weight-semibold);
}
/* Current page: a primary bar under the label (not colour alone: weight + bar). */
.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: var(--gk-space-3);
  right: var(--gk-space-3);
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--gk-primary);
}
.nav-cta-group {
  display: flex;
  align-items: center;
  gap: var(--gk-space-2);
  margin-left: var(--gk-space-3);
  padding-left: var(--gk-space-4);
  border-left: var(--gk-border-w) solid var(--gk-border);
}
.site-header .nav-cta {
  --gk-btn-h: 40px;
}
.site-header .navbar-toggler {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: var(--gk-border-w) solid var(--gk-border-strong);
  border-radius: var(--gk-radius-sm);
  background: transparent;
  color: var(--gk-ink);
}
.site-header .navbar-toggler:focus:not(:focus-visible) {
  box-shadow: none;
}
@media (max-width: 1399.98px) {
  .site-header__desktop .nav-link { padding-inline: 10px; }
  .site-header .nav-link.active::after { left: 10px; right: 10px; }
  .nav-cta-group { margin-left: var(--gk-space-2); padding-left: var(--gk-space-3); }
}
/* Staff see nine links + two buttons from 1400px: keep them on one row. */
@media (max-width: 1679.98px) {
  .site-header--staff .site-header__desktop .nav-link { padding-inline: 8px; font-size: var(--gk-text-sm); }
  .site-header--staff .nav-link.active::after { left: 8px; right: 8px; }
  .site-header--staff .nav-cta-group { margin-left: var(--gk-space-1); padding-left: var(--gk-space-2); }
}
@media (max-width: 389.98px) {
  .site-brand-text { font-size: 1.125rem; }
  .site-header .navbar-brand img { width: 36px; height: 36px; }
  .site-header .nav-cta { --gk-btn-px: var(--gk-space-3); }
}
@media (max-width: 339.98px) {
  .site-brand-text { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  flex-shrink: 0;
  margin-top: auto;
  padding: var(--gk-space-8) 0 var(--gk-space-5);
  background: var(--gk-surface);
  border-top: var(--gk-border-w) solid var(--gk-border);
  color: var(--gk-muted);
  font-size: var(--gk-text-sm);
}
.site-footer__grid {
  box-sizing: border-box;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gk-space-5) var(--gk-space-4);
  max-width: calc(var(--gk-container-lg) + 2 * var(--gk-gutter));
  margin: 0 auto;
  padding-inline: var(--gk-gutter);
}
.site-footer__brand {
  grid-column: 1 / -1;
}
@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--gk-space-8);
  }
  .site-footer__brand {
    grid-column: auto;
  }
}
.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--gk-ink);
  font-family: var(--gk-font-display);
  font-size: 1.25rem;
  font-weight: var(--gk-weight-bold);
  text-decoration: none;
}
.site-footer__logo:hover {
  color: var(--gk-ink);
}
.site-footer__logo img {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.site-footer__brand p {
  max-width: 44ch;
  margin: var(--gk-space-2) 0 0;
  color: var(--gk-text-secondary);
  line-height: var(--gk-leading-normal);
}
.site-footer__brand .site-footer__area {
  color: var(--gk-muted);
}
.site-footer__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.site-footer__col h2 {
  margin: 0 0 var(--gk-space-2);
  color: var(--gk-ink);
  font-family: var(--gk-font-sans);
  font-size: var(--gk-text-xs);
  font-weight: var(--gk-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
/* 28px rows: above the 24px WCAG 2.2 target minimum with the row gap. */
.site-footer__col a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--gk-text-secondary);
  text-decoration: none;
}
.site-footer__col a:hover {
  color: var(--gk-link-hover);
  text-decoration: underline;
}

/* ---------- Section scaffolding (home, tutorials, catalog) ---------- */
.section-pad {
  padding-block: var(--gk-section-y);
}
.section-head {
  margin-bottom: var(--gk-space-8);
}
.section-head h2 {
  margin: 0;
  font-size: var(--gk-text-2xl);
}
.section-sub {
  max-width: 42rem;
  margin: var(--gk-space-3) 0 0;
  color: var(--gk-text-secondary);
}

/* ---------- Sign-in modal (partials/login_modal.html; race wizard + builder) ---------- */
#loginModal {
  --bs-modal-bg: var(--gk-surface);
}
#loginModal .modal-content {
  border: 0;
  border-radius: var(--gk-radius-md);
  box-shadow: var(--gk-shadow-lg);
}
#loginModal .modal-header {
  padding: var(--gk-space-5) var(--gk-space-6);
  border-bottom: var(--gk-border-w) solid var(--gk-border);
}
#loginModal .modal-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-text-xl);
  font-weight: var(--gk-weight-bold);
}
#loginModal .modal-body {
  padding: var(--gk-space-6);
}
#loginModal .btn-primary,
#loginModal .btn-outline-secondary {
  min-height: var(--gk-control-h);
}
#loginModal .btn svg {
  margin-right: var(--gk-space-2);
}
#loginModal hr {
  border-color: var(--gk-border);
  opacity: 1;
}
/* Segmented Sign in / Sign up switch. The radios stay focusable (visually
   hidden, not display:none) so the switch works from the keyboard. */
#loginModal .segmented-control {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--gk-radius-sm);
  background: var(--gk-surface-muted);
}
#loginModal .segmented-control input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
#loginModal .segmented-control label {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin: 0;
  border-radius: 6px;
  color: var(--gk-text-secondary);
  font-weight: var(--gk-weight-semibold);
  cursor: pointer;
}
#loginModal .segmented-control input[type="radio"]:checked + label {
  background: var(--gk-surface);
  color: var(--gk-ink);
  box-shadow: var(--gk-shadow-sm);
}
#loginModal .segmented-control input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--gk-focus);
  outline-offset: 2px;
}
#loginModal .tab-panel { display: none; }
#loginModal .tab-panel.active { display: block; }
#modal-signin-tab:checked ~ #modal-signin-panel,
#modal-signup-tab:checked ~ #modal-signup-panel { display: block; }
#modal-signin-tab:not(:checked) ~ #modal-signin-panel,
#modal-signup-tab:not(:checked) ~ #modal-signup-panel { display: none; }