/* ==========================================================================
   ATEX DIGITAL · shell.css
   --------------------------------------------------------------------------
   Phase 2 note: this file and the markup it styles are lifted verbatim into
   the other 29 pages. Nothing here may depend on a homepage node.
   --------------------------------------------------------------------------
   01 · TOP STACK
   02 · ANNOUNCEMENT BAR
   03 · HEADER
   04 · MEGA PANELS
   05 · BURGER + MOBILE DRAWER
   06 · FOOTER
   ========================================================================== */


/* ===== 01 · TOP STACK ================================================= */

.topstack {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  transition: transform var(--d-3) var(--e-out);
}

/* hide-on-scroll-down · below 1080 only; the desktop header always stays */
@media (max-width: 1079px) {
  .topstack.is-hidden { transform: translateY(-100%); }
}


/* ===== 02 · ANNOUNCEMENT BAR ========================================== */

.announce {
  position: relative;
  block-size: var(--announce-h);
  overflow: hidden;
  background: var(--ink-850);
  border-block-end: 1px solid var(--line-signal);
  transition: block-size var(--d-3) var(--e-out);
}

@media (max-width: 559px) { .announce { display: none; } }

.announce__inner {
  block-size: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding-inline: var(--gutter);
}

.announce__txt {
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--bone-2);
  text-align: center;
}

.announce__close {
  position: absolute;
  inset-block-start: 4px;
  inset-inline-end: var(--s-4);
  inline-size: 28px;
  block-size: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--r-xs);
  color: var(--bone-faint);
  transition: color var(--d-2) var(--e-out), background-color var(--d-2) var(--e-out);
}

.announce__close svg { inline-size: 16px; block-size: 16px; }

.announce__close:hover { color: var(--bone); background: var(--ink-700); }


/* ===== 03 · HEADER ==================================================== */

.hdr {
  position: relative;
  block-size: var(--hdr-h);
  transition: block-size var(--d-3) var(--e-out);
}

.hdr.is-stuck { block-size: var(--hdr-h-stuck); }

.hdr__bar {
  block-size: 100%;
  border-block-end: 1px solid transparent;
  transition:
    background-color var(--d-3) var(--e-out),
    border-color var(--d-3) var(--e-out),
    box-shadow var(--d-3) var(--e-out),
    -webkit-backdrop-filter var(--d-3) var(--e-out),
    backdrop-filter var(--d-3) var(--e-out);
}

.hdr.is-stuck .hdr__bar {
  background: rgba(9, 11, 18, .74);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border-block-end-color: var(--line);
  box-shadow: 0 12px 32px -20px rgba(var(--shade), .9);
}

.hdr__inner {
  block-size: 100%;
  display: flex;
  align-items: center;
  gap: var(--s-6);
}

/* --- logo · placeholder wordmark, authored here rather than loaded, so the
       most visible element on the page cannot render as a broken image.
       Swap for assets/images/logo-atex.svg when the client supplies it. --- */
.hdr__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  flex: none;
  margin-inline-end: auto;
}

/* the monogram is 120 x 97, not square */
.hdr__mark {
  inline-size: 35px;
  block-size: 28px;
  flex: none;
}

/* The wordmark carries the brand's own two colours. This is the one place the
   signal orange appears without meaning "live" — a logo sits outside the
   accent system, it does not borrow from it. */
.hdr__word {
  display: flex;
  font-family: var(--f-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.012em;
  line-height: 1;
  white-space: nowrap;
}

.hdr__word-a { color: var(--signal); }
.hdr__word-d { color: var(--azure); }

/* --- nav ------------------------------------------------------------- */
.hdr__nav { position: relative; display: none; }

.hdr__list {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}

.hdr__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-block: var(--s-3);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--bone-2);
  white-space: nowrap;
  transition: color var(--d-2) var(--e-out);
}

.hdr__link:hover,
.hdr__link[aria-expanded="true"] { color: var(--bone); }

.hdr__link svg {
  inline-size: 14px;
  block-size: 14px;
  color: var(--bone-faint);
  transition: transform var(--d-2) var(--e-out);
}

.hdr__link[aria-expanded="true"] svg { transform: rotate(180deg); }

/* one shared, JS-positioned underline for the whole nav */
.hdr__ink {
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  block-size: 2px;
  inline-size: 0;
  background: var(--azure);
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--d-2) var(--e-out),
    width var(--d-2) var(--e-out),
    opacity var(--d-2) var(--e-out);
}

.hdr__ink.is-on { opacity: 1; }

.hdr__actions { display: none; align-items: center; gap: var(--s-3); flex: none; }

@media (min-width: 1080px) {
  .hdr__nav,
  .hdr__actions { display: flex; }
  .hdr__logo { margin-inline-end: 0; }
  .hdr__inner { gap: var(--s-7); }
  .hdr__nav { margin-inline: auto; }
}


/* ===== 04 · MEGA PANELS =============================================== */

.mega {
  position: absolute;
  inset-block-start: 100%;
  inset-inline: 0;
  background: var(--ink-850);
  border-block-end: 1px solid var(--line);
  box-shadow: 0 40px 80px -40px rgba(var(--shade), .95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  clip-path: inset(0 0 100% 0);
  transition:
    opacity var(--d-3) var(--e-in-out),
    transform var(--d-3) var(--e-in-out),
    clip-path var(--d-3) var(--e-in-out),
    visibility 0s linear var(--d-3);
}

.mega.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  clip-path: inset(0 0 0 0);
  transition-delay: 0s;
}

@media (max-width: 1079px) { .mega { display: none; } }

.mega__inner {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(260px, 340px);
  gap: var(--s-8);
  padding-block: var(--s-7);
  align-items: start;
}

.mega__rows { display: flex; flex-direction: column; gap: var(--s-1); }

.mega__row {
  position: relative;
  display: grid;
  grid-template-columns: 24px 1fr 18px;
  gap: var(--s-4);
  align-items: start;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--d-3) var(--e-out) calc(var(--i, 0) * 40ms),
    transform var(--d-3) var(--e-out) calc(var(--i, 0) * 40ms),
    background-color var(--d-2) var(--e-out);
}

.mega.is-open .mega__row { opacity: 1; transform: none; }

.mega__row::before {
  content: "";
  position: absolute;
  inset-block: 6px;
  inset-inline-start: 0;
  inline-size: 2px;
  border-radius: 2px;
  background: var(--azure);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--d-2) var(--e-out);
}

.mega__row:hover,
.mega__row:focus-visible { background: var(--ink-800); }

.mega__row:hover::before,
.mega__row:focus-visible::before { transform: scaleY(1); }

.mega__row-ic {
  inline-size: 24px;
  block-size: 24px;
  color: var(--bone-2);
  margin-block-start: 2px;
  transition: color var(--d-2) var(--e-out);
}

.mega__row:hover .mega__row-ic { color: var(--azure); }

.mega__row-title {
  display: block;
  font-size: var(--t-h4);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.006em;
  color: var(--bone);
}

.mega__row-desc {
  display: block;
  font-size: var(--t-micro);
  color: var(--bone-dim);
  margin-block-start: 2px;
}

.mega__row-ch {
  inline-size: 18px;
  block-size: 18px;
  color: var(--bone-faint);
  margin-block-start: 4px;
  transform: rotate(-90deg);
  transition: transform var(--d-2) var(--e-out);
}

.mega__row:hover .mega__row-ch { transform: rotate(-90deg) translateY(4px); }

/* --- promo tile ------------------------------------------------------- */
.mega__promo {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--d-3) var(--e-out) 200ms,
    transform var(--d-3) var(--e-out) 200ms;
}

.mega.is-open .mega__promo { opacity: 1; transform: none; }

.mega__promo-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-700);
}

.mega__promo-media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform var(--d-3) var(--e-out);
}

.mega__promo:hover .mega__promo-media img { transform: scale(1.045); }

.mega__promo-cap {
  font-size: var(--t-sm);
  color: var(--bone-dim);
}

/* --- Products · compact directory variant ----------------------------- */
.mega--index .mega__inner { grid-template-columns: 1fr 1fr minmax(240px, 300px); }

.mega--index .mega__rows { gap: 0; }

.mega--index .mega__row {
  grid-template-columns: 1fr 18px;
  padding-inline: 0;
  padding-block: var(--s-4);
  border-radius: 0;
  border-block-end: 1px solid var(--line);
}

.mega--index .mega__row::before { inset-inline-start: calc(-1 * var(--s-3)); }

.mega--index .mega__row:hover { background: transparent; }

.mega--index .mega__row:hover .mega__row-title { color: var(--azure-soft); }

.mega--index .mega__row-title { transition: color var(--d-2) var(--e-out); }


/* ===== 05 · BURGER + MOBILE DRAWER ==================================== */

.burger {
  inline-size: 44px;
  block-size: 44px;
  display: grid;
  place-content: center;
  gap: 5px;
  flex: none;
  border-radius: var(--r-xs);
}

@media (min-width: 1080px) { .burger { display: none; } }

.burger__ln {
  inline-size: 18px;
  block-size: 1.5px;
  background: var(--bone);
  border-radius: 2px;
  transition:
    transform var(--d-3) var(--e-out),
    opacity var(--d-1) var(--e-out);
}

.burger.is-open .burger__ln:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.is-open .burger__ln:nth-child(2) { opacity: 0; }
.burger.is-open .burger__ln:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  visibility: hidden;
  transition: visibility 0s linear var(--d-3);
}

.drawer.is-open { visibility: visible; transition-delay: 0s; }

@media (min-width: 1080px) { .drawer { display: none; } }

.drawer__scrim {
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 14, .74);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--d-3) var(--e-out);
}

.drawer.is-open .drawer__scrim { opacity: 1; }

.drawer__panel {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  inline-size: min(88vw, 420px);
  display: flex;
  flex-direction: column;
  background: var(--ink-850);
  border-inline-start: 1px solid var(--line);
  transform: translateX(100%);
  transition: transform var(--d-3) var(--e-out);
}

.drawer.is-open .drawer__panel { transform: none; }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  border-block-end: 1px solid var(--line);
  flex: none;
}

.drawer__close {
  inline-size: 44px;
  block-size: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--r-xs);
  color: var(--bone-2);
}

.drawer__close svg { inline-size: 20px; block-size: 20px; }

.drawer__close:hover { color: var(--bone); background: var(--ink-700); }

.drawer__body {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--s-4) var(--s-5) var(--s-7);
}

.drawer__grp { border-block-end: 1px solid var(--line); }

.drawer__grp-btn {
  inline-size: 100%;
  min-block-size: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-size: var(--t-body);
  font-weight: 500;
  color: var(--bone);
  text-align: start;
}

.drawer__grp-btn svg {
  inline-size: 20px;
  block-size: 20px;
  color: var(--bone-faint);
  transition: transform var(--d-3) var(--e-in-out);
}

.drawer__grp-btn[aria-expanded="true"] svg { transform: rotate(180deg); }

.drawer__grp-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-3) var(--e-in-out);
}

.drawer__grp-panel.is-open { grid-template-rows: 1fr; }

.drawer__grp-inner { overflow: hidden; min-block-size: 0; }

.drawer__links { padding-block-end: var(--s-4); }

.drawer__link {
  display: block;
  min-block-size: 44px;
  padding-block: var(--s-3);
  padding-inline-start: var(--s-4);
  border-inline-start: 1px solid var(--line);
  font-size: var(--t-sm);
  color: var(--bone-dim);
  opacity: 0;
  transform: translateX(8px);
  transition:
    opacity var(--d-3) var(--e-out) calc(var(--i, 0) * 45ms),
    transform var(--d-3) var(--e-out) calc(var(--i, 0) * 45ms),
    color var(--d-2) var(--e-out),
    border-color var(--d-2) var(--e-out);
}

.drawer__grp-panel.is-open .drawer__link { opacity: 1; transform: none; }

.drawer__link:hover { color: var(--bone); border-inline-start-color: var(--azure); }

.drawer__solo {
  display: flex;
  align-items: center;
  min-block-size: 56px;
  font-size: var(--t-body);
  font-weight: 500;
  color: var(--bone);
  border-block-end: 1px solid var(--line);
}

.drawer__foot {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-5);
  border-block-start: 1px solid var(--line);
  background: var(--ink-900);
}


/* ===== 06 · FOOTER ==================================================== */

.ftr {
  position: relative;
  background: var(--ink-900);
  border-block-start: 1px solid var(--line);
  padding-block: var(--s-10) var(--s-7);
}

.ftr__top {
  display: grid;
  gap: var(--s-8);
  padding-block-end: var(--s-9);
}

@media (min-width: 900px) {
  .ftr__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--s-10);
  }
}

.ftr__brand { display: flex; flex-direction: column; gap: var(--s-5); }

.ftr__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  margin-block-start: var(--s-5);
}

.ftr__logo .hdr__mark { inline-size: 52px; block-size: 42px; }
.ftr__logo .hdr__word { font-size: 1.5rem; }

.ftr__tag {
  font-family: var(--f-display);
  font-size: var(--t-h3);
  font-weight: 500;
  letter-spacing: -.016em;
  color: var(--bone-2);
}

.ftr__contact { display: flex; flex-direction: column; gap: var(--s-3); }

.ftr__contact-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: var(--s-3);
  align-items: start;
  font-size: var(--t-sm);
  color: var(--bone-dim);
}

.ftr__contact-row svg {
  inline-size: 18px;
  block-size: 18px;
  color: var(--bone-faint);
  margin-block-start: 5px;
}

.ftr__contact-row a { transition: color var(--d-2) var(--e-out); }
.ftr__contact-row a:hover { color: var(--bone); }

.ftr__news {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  max-inline-size: 440px;
}

.ftr__news-label {
  font-size: var(--t-sm);
  color: var(--bone-2);
}

@media (min-width: 900px) {
  .ftr__news { margin-inline-start: auto; inline-size: 100%; }
}

/* --- link columns ----------------------------------------------------- */
.ftr__cols {
  display: grid;
  gap: 0;
  border-block-start: 1px solid var(--line);
}

.ftr__col { border-block-end: 1px solid var(--line); }

.ftr__col-h {
  inline-size: 100%;
  min-block-size: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-size: var(--t-sm);
  font-weight: 700;
  color: var(--bone);
  text-align: start;
}

.ftr__col-h svg {
  inline-size: 18px;
  block-size: 18px;
  color: var(--bone-faint);
  transition: transform var(--d-3) var(--e-in-out);
}

.ftr__col-h[aria-expanded="true"] svg { transform: rotate(180deg); }

.ftr__col-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-3) var(--e-in-out);
}

.ftr__col-panel.is-open { grid-template-rows: 1fr; }

.ftr__col-inner { overflow: hidden; min-block-size: 0; }

.ftr__links {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  padding-block-end: var(--s-5);
}

.ftr__links a {
  display: block;
  padding-block: var(--s-2);
  font-size: var(--t-sm);
  color: var(--bone-dim);
  transition: color var(--d-2) var(--e-out);
}

.ftr__links a:hover { color: var(--bone); }

@media (min-width: 768px) {
  .ftr__cols {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--gap);
    padding-block-start: var(--s-8);
  }
  .ftr__col { border-block-end: 0; }
  .ftr__col-h {
    min-block-size: 0;
    margin-block-end: var(--s-4);
    cursor: default;
    color: var(--bone-dim);
    font-size: var(--t-micro);
    font-weight: 500;
    letter-spacing: .01em;
  }
  .ftr__col-h svg { display: none; }
  .ftr__col-panel { grid-template-rows: 1fr; }
}

/* --- bottom ----------------------------------------------------------- */
.ftr__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  margin-block-start: var(--s-8);
  padding-block-start: var(--s-6);
  border-block-start: 1px solid var(--line);
}

.ftr__copy { font-size: var(--t-micro); color: var(--bone-dim); }

.ftr__social { display: flex; align-items: center; gap: var(--s-3); }

.ftr__soc {
  inline-size: 38px;
  block-size: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--bone-dim);
  transition:
    color var(--d-2) var(--e-out),
    border-color var(--d-2) var(--e-out),
    transform var(--d-2) var(--e-out);
}

.ftr__soc svg { inline-size: 18px; block-size: 18px; }

.ftr__soc:hover {
  color: var(--azure);
  border-color: var(--azure);
  transform: translateY(-2px);
}


/* ===== 07 · TOUCH TARGETS ============================================= */

@media (pointer: coarse) {

  .hdr__logo,
  .ftr__logo {
    min-block-size: 44px;
  }

  .ftr__links a {
    display: flex;
    align-items: center;
    min-block-size: 44px;
  }

  /* the circle stays 38px by design; only the hit area grows */
  .ftr__soc { position: relative; }

  .ftr__soc::after {
    content: "";
    position: absolute;
    inset: -3px;
  }
}