/**
 * Shared components — header, footer, buttons, forms shell
 */

/* ——— Buttons ——— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.btn--primary {
  background: var(--color-amber);
  color: var(--color-navy);
  border-color: var(--color-amber);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-amber-hover);
  border-color: var(--color-amber-hover);
  color: var(--color-navy);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  border-color: var(--color-white);
}

.btn--block {
  width: 100%;
}

.btn--header {
  min-height: 2.4rem;
  padding-inline: 1rem;
  white-space: nowrap;
}

/* Compact header CTA on small screens — still ≥44px tall */
@media (max-width: 1023px) {
  .btn--header {
    min-height: 2.75rem;
    padding: 0.4rem 0.65rem;
    font-size: 0.72rem;
    letter-spacing: 0.01em;
    line-height: 1.2;
  }
}

@media (max-width: 400px) {
  .btn--header {
    padding-inline: 0.5rem;
    font-size: 0.6875rem;
  }

  .site-logo__entity {
    display: none;
  }

  .site-logo__name {
    font-size: 0.95rem;
  }

  .site-header__inner {
    gap: var(--space-2);
    min-height: 3.5rem;
  }

  .site-header__actions {
    gap: 0.4rem;
  }
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  opacity: 0.92;
}

.text-action:hover {
  opacity: 1;
}

.text-action__arrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.link-quiet {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--color-amber);
}

.link-quiet:hover {
  color: var(--color-amber);
}

/* ——— Header ——— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: var(--rule);
  backdrop-filter: blur(8px);
}

.site-header.is-solid {
  background: var(--color-white);
}

.site-header__inner {
  width: min(100% - (var(--page-gutter) * 2), var(--page-max-wide));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-navy);
  flex-shrink: 0;
}

.site-logo__mark {
  width: 0.55rem;
  height: 1.6rem;
  background: var(--color-amber);
  flex-shrink: 0;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.site-logo__entity {
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-slate);
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  color: var(--color-navy);
}

.site-nav__list a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--color-amber);
}

.site-nav__secondary a {
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

/* Base toggle styles BEFORE desktop override (cascade fix) */
.nav-toggle {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .site-nav__list {
    display: flex;
  }

  .site-header__actions {
    margin-left: 0;
  }

  .nav-toggle {
    display: none !important;
  }
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--color-navy);
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile nav panel */
.mobile-nav {
  border-top: var(--rule);
  background: var(--color-white);
  padding: var(--space-4) var(--page-gutter) var(--space-6);
}

.mobile-nav[hidden] {
  display: none !important;
}

.mobile-nav--noscript {
  display: block;
  border-top: var(--rule);
}

@media (min-width: 1024px) {
  .mobile-nav--noscript {
    display: none;
  }
}

.mobile-nav__list {
  display: grid;
  gap: 0;
  margin-bottom: var(--space-5);
}

.mobile-nav__list a {
  display: block;
  padding: var(--space-4) 0;
  border-bottom: var(--rule);
  text-decoration: none;
  font-weight: 500;
  color: var(--color-navy);
  font-size: 1.0625rem;
}

body.nav-open {
  overflow: hidden;
}

/* ——— Footer ——— */

.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.78);
  padding-bottom: var(--space-6);
}

.site-footer__rule {
  height: 2px;
  background: linear-gradient(90deg, var(--color-amber) 0 3rem, rgba(255, 255, 255, 0.12) 3rem);
}

.site-footer__inner {
  width: min(100% - (var(--page-gutter) * 2), var(--page-max-wide));
  margin-inline: auto;
  padding-block: var(--space-8) var(--space-6);
  display: grid;
  gap: var(--space-7);
}

@media (min-width: 900px) {
  .site-footer__inner {
    grid-template-columns: minmax(12rem, 1.2fr) 2fr;
    align-items: start;
  }
}

.site-footer__label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-3);
}

.site-footer__name {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}

.site-footer__axis {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.55);
  max-width: 18rem;
}

.site-footer__cols {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.site-footer__links a {
  display: inline-block;
  padding: 0.3rem 0;
  text-decoration: none;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.78);
}

.site-footer__links a:hover {
  color: var(--color-white);
}

.site-footer__meta {
  display: grid;
  gap: var(--space-3);
  font-size: var(--fs-small);
}

.meta-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.15rem;
}

.meta-val {
  color: rgba(255, 255, 255, 0.72);
  word-break: break-word;
}

.site-footer__base {
  width: min(100% - (var(--page-gutter) * 2), var(--page-max-wide));
  margin-inline: auto;
  padding-top: var(--space-5);
  border-top: var(--rule-navy);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.45);
}

.site-footer__legal a {
  text-decoration: none;
  color: inherit;
}

.site-footer__legal a:hover {
  color: var(--color-white);
}

/* ——— Form shell (enquiry dock — non-submitting in 2A) ——— */

.form-shell {
  display: grid;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-graphite);
}

.field textarea {
  min-height: 6rem;
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--color-navy);
  outline-offset: 0;
}

.form-note {
  font-size: var(--fs-small);
  color: var(--color-muted);
}

.form-note code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}