/* Gindi Innovations — site header, navigation and footer */

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 50;
  height: var(--header-h);
  background-color: transparent;
  border-block-end: 1px solid transparent;
  transition:
    background-color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

/* Without JS the scroll state can't be tracked, so stay solid and legible.
   Pages without the dark hero (is-solid) are solid from the start. */
.no-js .site-header,
.site-header.is-scrolled,
.site-header.is-solid {
  background-color: var(--gindi-navy);
  border-block-end-color: var(--ivory-10);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 100%;
}

.site-header__logo {
  position: relative;
  z-index: 2;
  display: block;
  flex: none;
  padding-block: 0.25rem;
}

.site-header__logo img {
  width: auto;
  height: 2.75rem;
}

.site-header__panel-logo {
  display: none;
}

/* ---------- Language switch ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.25rem 1rem;
  border: 1px solid var(--line);
  font-size: 0.9375rem;
  letter-spacing: 0;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.lang-switch:lang(ar) {
  font-family: "IBM Plex Sans Arabic", var(--font-sans);
}

.lang-switch:hover {
  border-color: var(--accent);
}

.theme-dark .lang-switch:hover {
  color: var(--gindi-yellow);
}

/* ---------- Desktop navigation ---------- */
@media (min-width: 68rem) {
  .site-header__toggle {
    display: none;
  }

  .site-header__panel {
    display: flex;
    align-items: center;
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  .site-nav__list {
    display: flex;
    gap: clamp(1.25rem, 2.2vw, 2.25rem);
  }

  .site-nav__link {
    position: relative;
    display: inline-block;
    padding-block: 0.5rem;
    font-size: 0.875rem;
    font-weight: var(--fw-medium);
    letter-spacing: 0.06em;
    color: var(--muted);
    transition: color var(--dur-fast) var(--ease-out);
  }

  :lang(ar) .site-nav__link {
    font-size: 1rem;
    letter-spacing: 0;
  }

  .site-nav__link::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0.125rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: var(--origin-start, left);
    transition: transform var(--dur-base) var(--ease-out);
  }

  [dir="rtl"] .site-nav__link::after {
    --origin-start: right;
  }

  .site-nav__link:hover,
  .site-nav__link[aria-current="true"],
  .site-nav__link[aria-current="page"] {
    color: var(--fg);
  }

  .site-nav__link:hover::after,
  .site-nav__link[aria-current="true"]::after,
  .site-nav__link[aria-current="page"]::after {
    transform: scaleX(1);
  }

  .site-nav__link[aria-current="true"]::after,
  .site-nav__link[aria-current="page"]::after {
    background: var(--gindi-gold);
  }

  .site-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .site-header__cta {
    min-height: 2.75rem;
    padding: 0.5rem 1.25rem;
  }
}

/* ---------- Mobile navigation ---------- */
@media (max-width: 67.99rem) {
  .site-header__toggle {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    margin-inline-end: -0.75rem;
  }

  .site-header__toggle-lines {
    display: grid;
    gap: 0.4375rem;
    width: 1.625rem;
  }

  .site-header__toggle-lines span {
    display: block;
    height: 1px;
    background: currentColor;
    transition: transform var(--dur-base) var(--ease-out);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:first-child {
    transform: translateY(0.25rem) rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:last-child {
    transform: translateY(-0.25rem) rotate(-45deg);
  }

  .site-header__panel {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: calc(var(--header-h) + var(--space-md)) var(--gutter) var(--space-lg);
    background: var(--gindi-navy);
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transition:
      opacity var(--dur-base) var(--ease-out),
      visibility 0s linear var(--dur-base);
  }

  .site-header__panel.is-open {
    visibility: visible;
    opacity: 1;
    transition:
      opacity var(--dur-base) var(--ease-out),
      visibility 0s;
  }

  .site-header__panel-logo {
    display: block;
    order: 3;
    align-self: flex-start; /* never stretch the logo across the column */
    width: auto;
    height: 6.5rem;
    margin-block-start: auto;
    opacity: 0.9;
  }

  .site-nav__list {
    display: grid;
    gap: 0.25rem;
  }

  .site-nav__link {
    display: block;
    padding-block: 0.375rem;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 1.5rem + 3vw, 3rem);
    font-weight: var(--fw-light);
    line-height: 1.2;
  }

  :lang(ar) .site-nav__link {
    font-weight: var(--fw-regular);
    line-height: 1.5;
  }

  .site-nav__link[aria-current="true"],
  .site-nav__link[aria-current="page"] {
    color: var(--gindi-gold);
  }

  .site-header__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
  }

  /* Staggered entrance for the menu items. */
  .site-header__panel .site-nav__list li,
  .site-header__actions {
    opacity: 0;
    transform: translateY(0.75rem);
    transition:
      opacity var(--dur-base) var(--ease-out),
      transform var(--dur-base) var(--ease-out);
  }

  .site-header__panel.is-open .site-nav__list li,
  .site-header__panel.is-open .site-header__actions {
    opacity: 1;
    transform: none;
  }

  .site-header__panel.is-open .site-nav__list li:nth-child(2) { transition-delay: 40ms; }
  .site-header__panel.is-open .site-nav__list li:nth-child(3) { transition-delay: 80ms; }
  .site-header__panel.is-open .site-nav__list li:nth-child(4) { transition-delay: 120ms; }
  .site-header__panel.is-open .site-nav__list li:nth-child(5) { transition-delay: 160ms; }
  .site-header__panel.is-open .site-nav__list li:nth-child(6) { transition-delay: 200ms; }
  .site-header__panel.is-open .site-header__actions { transition-delay: 240ms; }

  /* Without JS the menu can't open: show the links in the page instead. */
  .no-js .site-header__toggle {
    display: none;
  }

  .no-js .site-header {
    position: absolute;
    height: auto;
  }

  .no-js .site-header__bar {
    flex-wrap: wrap;
    padding-block: 1rem;
  }

  .no-js .site-header__panel {
    position: static;
    visibility: visible;
    opacity: 1;
    padding: 0;
    background: none;
    gap: 1rem;
    width: 100%;
  }

  .no-js .site-header__panel-logo {
    display: none;
  }

  .no-js .site-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
  }

  .no-js .site-nav__link {
    font-family: var(--font-sans);
    font-size: 1rem;
  }

  .no-js .site-nav__list li,
  .no-js .site-header__actions {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Page end: call to action + footer ---------- */
/* Ivory call to action (id="contact"): heading at the start, gold button at
   the end, vertically centred. */
.footer-cta {
  padding-block: clamp(1.75rem, 1.4rem + 1vw, 2.75rem);
}

.footer-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2.5rem;
}

.footer-cta__copy {
  display: grid;
  gap: 0.75rem;
}

.footer-cta__title {
  color: var(--gindi-navy);
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.75rem);
  font-weight: var(--fw-medium);
  line-height: 1.1;
}

:lang(ar) .footer-cta__title {
  line-height: 1.35;
}

.footer-cta__details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  color: var(--muted);
  font-size: var(--fs-small);
}

.footer-cta__details dt {
  color: var(--gindi-gold);
}

/* A linked detail (the business email): underlined, so it reads as a link. */
.footer-cta__link {
  color: var(--gindi-navy);
  text-decoration: underline;
  text-decoration-color: var(--gindi-gold);
  text-underline-offset: 0.3em;
  overflow-wrap: anywhere;
}

.footer-cta__link:hover {
  text-decoration-thickness: 2px;
}

.footer-cta__btn {
  gap: 0.625rem;
  border-color: var(--gindi-gold);
  background: var(--gindi-gold);
  color: var(--gindi-navy);
}

.footer-cta__btn:hover {
  border-color: var(--gindi-navy);
  background: var(--gindi-navy);
  color: var(--gindi-ivory);
}

.footer-arrow {
  flex: none;
  width: 0.875rem;
  height: auto;
  transition: transform var(--dur-fast) var(--ease-out);
}

/* Diagonal arrows point the reading way; "back to top" points up in both. */
[dir="rtl"] .footer-arrow--up {
  transform: scaleX(-1);
}

/* Navy footer: a fine gold rule with the keystone at its centre, then the
   main row (brand, navigation, contact) and a slim utility row. */
.site-footer {
  font-size: var(--fs-small);
}

.site-footer__rule {
  position: relative;
  display: grid;
  place-items: center;
  height: 1px;
  background: color-mix(in srgb, var(--gindi-gold) 70%, transparent);
  pointer-events: none;
}

.site-footer__rule .keystone {
  position: absolute;
  inset-block-start: 0;
  width: 1rem;
  height: 0.8rem;
  background: var(--gindi-gold);
}

.site-footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1.5rem 2.5rem;
  padding-block: 2rem 2.75rem;
}

/* Brand: the official monogram with the name beside it (not mirrored). */
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  justify-self: start;
  color: var(--fg);
}

.footer-brand__mark {
  width: auto;
  max-width: none;
  height: 4rem;
}

.footer-brand__text {
  display: grid;
  line-height: 1.1;
}

.footer-brand__name {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.08em;
}

.footer-brand__sub {
  color: var(--gindi-gold);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: var(--fw-semibold, 600);
  letter-spacing: 0.32em;
}

.footer-brand__tag {
  margin-block-start: 0.5rem;
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 2rem;
}

.site-footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--muted);
  text-underline-offset: 0.4em;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible {
  color: var(--gindi-gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.footer-touch {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.625rem;
  min-height: 2.75rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--gindi-gold);
  color: var(--fg);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.footer-touch .footer-arrow {
  color: var(--gindi-gold);
}

.footer-touch:hover {
  background: var(--gindi-gold);
  color: var(--gindi-navy);
}

.footer-touch:hover .footer-arrow {
  color: inherit;
}

/* Utility row: copyright at the start; language and back to top at the end. */
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.125rem 1.25rem;
  border-block-start: 1px solid var(--ivory-10);
  color: var(--muted);
  font-size: 0.8125rem;
}

.site-footer__utils {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 1rem;
}

/* The business email, beside the language switch (as "Back to top"). */
.site-footer__mail {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--muted);
  overflow-wrap: anywhere;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-footer__mail:hover {
  color: var(--gindi-ivory);
}

/* Phones: the row wraps, so no dividers (one would be left hanging at a line's end). */
@media (max-width: 30rem) {
  .site-footer__utils {
    gap: 0 1.5rem;
  }

  .site-footer__sep {
    display: none;
  }
}

.site-footer .lang-switch {
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  color: var(--muted);
  font-size: inherit;
}

.site-footer__sep {
  width: 1px;
  height: 1rem;
  background: var(--ivory-18);
}

.site-footer__top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  color: var(--muted);
}

.site-footer .lang-switch:hover,
.site-footer__top:hover,
.site-footer .lang-switch:focus-visible,
.site-footer__top:focus-visible {
  color: var(--gindi-gold);
}

.site-footer__top:hover .footer-arrow {
  transform: translateY(-0.125rem);
}

/* Tablet: brand and contact on the first line, navigation below them. */
@media (max-width: 64rem) {
  .site-footer__main {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-footer__nav {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .site-footer__nav ul {
    justify-content: flex-start;
  }
}

/* Phones: everything stacked; the call to action's button full width. */
@media (max-width: 36rem) {
  .site-footer__main {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
  }

  .site-footer__nav {
    grid-row: auto;
  }

  .site-footer__nav ul {
    gap: 0 1.5rem;
  }

  .footer-touch {
    justify-self: start;
  }

  .footer-cta__btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .footer-arrow {
    transition: none;
  }
}