/* ============================================================
   LAYOUT — Header, Footer, Mobile Nav, Top-btn, Privacy
   Shared across all pages via head.php / tail.php
   ============================================================ */

/* ══════════════════════════════════════════════════════════
   HEADER (Sub-page version — used via head.php)
   ══════════════════════════════════════════════════════════ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition:
    background    var(--trans-med),
    box-shadow    var(--trans-med),
    border-color  var(--trans-med),
    backdrop-filter var(--trans-med);
}
#site-header.scrolled {
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(30,34,72,.08);
  box-shadow: 0 6px 24px rgba(0,0,0,.08);
}

/* ── Header: hide-on-scroll (index.php variant) ── */
#site-header.header-hidden {
  transform: translateY(-110%);
  opacity: 0;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* ── Logo ── */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img,
.logo-mark {
  height: 70px;
  width: auto;
  display: block;
  transition: filter var(--trans-med), opacity var(--trans-med);
}
#site-header.scrolled .logo-mark { filter: brightness(0.18) saturate(0.9); }

/* ── Main Nav (sub-page) ── */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav > .nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 16px;
  font-weight: 700;
  color: rgba(255,255,255,.82);
  transition: color var(--trans-fast);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active              { color: var(--hw-white); }
#site-header.scrolled .nav-link { color: rgba(44,43,41,.72); }
#site-header.scrolled .nav-link:hover,
#site-header.scrolled .nav-link.active { color: var(--hw-navy-deep); }

/* ── Dropdown (sub-page nav) ── */
.main-nav > .nav-item > .nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--hw-white);
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  border-top: 3px solid var(--hw-orange);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--trans-fast), transform var(--trans-fast);
  z-index: 1001;
}
.main-nav > .nav-item:hover > .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.main-nav > .nav-item > .nav-dropdown a {
  display: block;
  padding: 11px 20px;
  font-size: 13px;
  font-weight: 400;
  color: var(--hw-charcoal);
  border-bottom: 1px solid var(--hw-grey-light);
  transition: background var(--trans-fast), color var(--trans-fast);
}
.main-nav > .nav-item > .nav-dropdown a:last-child { border-bottom: none; }
.main-nav > .nav-item > .nav-dropdown a:hover { background: var(--hw-offwhite); color: var(--hw-orange); }
.nav-dropdown-group { padding: 12px 0 4px; }
.nav-dropdown-group-label {
  padding: 4px 20px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--hw-grey);
}

/* ── Header CTA (sub-page) ── */
.nav-dropdown-group--nested {
  padding: 0;
  border-bottom: 1px solid var(--hw-grey-light);
}
.nav-dropdown-group--nested:last-child { border-bottom: none; }
.nav-dropdown-group--single {
  padding: 0;
  border-bottom: 1px solid var(--hw-grey-light);
}
.nav-dropdown-group--single:last-child { border-bottom: none; }
.nav-dropdown-group-title {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 20px !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--hw-charcoal) !important;
  border-bottom: none !important;
  cursor: pointer;
}
.nav-dropdown-group-title::-webkit-details-marker { display: none; }
.nav-dropdown-group-title:hover,
.nav-dropdown-group--nested[open] .nav-dropdown-group-title {
  background: var(--hw-offwhite);
  color: var(--hw-orange) !important;
}
.nav-dropdown-group-arrow {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--trans-fast);
  opacity: .72;
}
.nav-dropdown-group--nested[open] .nav-dropdown-group-arrow {
  transform: rotate(225deg);
}
.nav-dropdown-sub {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--trans-fast), opacity var(--trans-fast);
}
.nav-dropdown-group--nested[open] .nav-dropdown-sub {
  max-height: 260px;
  opacity: 1;
}
.main-nav > .nav-item > .nav-dropdown .nav-dropdown-sub a {
  padding: 10px 20px 10px 28px;
  font-size: 13px;
  color: var(--hw-charcoal);
  background: var(--hw-white);
  border-bottom: 1px solid var(--hw-grey-light);
}
.main-nav > .nav-item > .nav-dropdown .nav-dropdown-sub a:last-child {
  border-bottom: none;
}

.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-careers {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.72);
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,.24);
  transition: all var(--trans-fast);
}
.header-careers:hover { color: var(--hw-white); border-color: rgba(255,255,255,.5); }
#site-header.scrolled .header-careers {
  color: rgba(30,34,72,.78);
  border-color: rgba(30,34,72,.14);
  background: rgba(255,255,255,.28);
}
#site-header.scrolled .header-careers:hover {
  color: var(--hw-navy-deep);
  border-color: rgba(30,34,72,.24);
  background: rgba(255,255,255,.46);
}

.header-contact-btn {
  background: var(--hw-orange);
  color: var(--hw-white);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 20px;
  transition: background var(--trans-fast), box-shadow var(--trans-fast);
}
.header-contact-btn:hover { background: var(--hw-orange-dark); }
#site-header.scrolled .header-contact-btn { box-shadow: 0 6px 18px rgba(243,115,33,.18); }

/* ── GNB (index.php nav variant) ── */
.gnb {
  display: flex;
  align-items: center;
  gap: 0;
}
.gnb-item { position: relative; }
.gnb-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-family: var(--font-d);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--neutral-900);
  text-shadow: none;
  border-radius: 3px;
  transition: var(--tr);
}
.gnb-link:hover,
.gnb-link.active { color: var(--hw-orange); background: rgba(249,109,23,0.06); }

.gnb-arrow {
  width: 10px;
  height: 10px;
  opacity: 0.55;
  transition: transform 0.2s, opacity 0.2s;
}
.gnb-item:hover .gnb-arrow { transform: rotate(180deg); opacity: 0.9; }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: -12px;
  min-width: 220px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(17,24,39,0.08);
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 16px 48px rgba(15,23,32,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--tr);
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.gnb-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 9px 13px;
  font-size: 13px;
  color: var(--neutral-700);
  border-radius: 4px;
  transition: var(--tr);
}
.dropdown a:hover {
  background: rgba(249,109,23,0.06);
  color: var(--hw-orange);
}
.dd-divider {
  height: 1px;
  background: rgba(17,24,39,0.08);
  margin: 5px;
}

/* ── Mega Dropdown (index.php) ── */
.dropdown-mega {
  display: none;
  left: -20px;
  min-width: 620px;
  padding: 16px 8px;
  flex-direction: row;
}
.gnb-mega:hover .dropdown-mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  display: flex;
}
.mega-col {
  flex: 1;
  padding: 4px 14px;
  border-right: 1px solid rgba(17,24,39,0.08);
}
.mega-col:last-child { border-right: none; }
.mega-col .dd-label {
  font-family: var(--font-d);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hw-orange);
  padding: 8px 4px 6px;
}
.mega-col a { padding: 7px 4px; font-size: 13px; }

/* ── Header CTA (index variant) ── */
.header-cta .btn-contact {
  padding: 9px 20px;
  background: var(--hw-orange);
  color: var(--white);
  border-radius: 3px;
  font-family: var(--font-d);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: var(--tr);
  box-shadow: 0 8px 18px rgba(249,109,23,0.18);
}
.header-cta .btn-contact:hover { background: var(--hw-orange-dark); }

/* ── Nav Toggle (hamburger) ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--hw-white);
  border-radius: 2px;
  display: block;
  transition: all var(--trans-fast);
}
#site-header.scrolled .nav-toggle span { background: var(--hw-charcoal); }

/* ══════════════════════════════════════════════════════════
   MOBILE NAV (index.php variant)
   ══════════════════════════════════════════════════════════ */
.mobile-nav {
  display: none;
}
.mobile-nav__inner {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: 18px 24px 34px;
}
.mobile-nav__section,
.mobile-nav__direct {
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.mobile-nav__toggle,
.mobile-nav__direct {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--hw-white);
  font-family: var(--font-d);
  font-size: 18px;
  font-weight: 700;
  text-align: left;
}
.mobile-nav__toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.mobile-nav__chevron {
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--trans-fast);
}
.mobile-nav__section.open .mobile-nav__chevron {
  transform: rotate(225deg);
}
.mobile-nav__panel {
  display: none;
  padding: 0 0 16px 12px;
}
.mobile-nav__section.open .mobile-nav__panel {
  display: flex;
  flex-direction: column;
}
.mobile-nav__panel a {
  padding: 10px 0;
  color: rgba(255,255,255,.72);
  font-size: 15px;
  line-height: 1.35;
}
.mobile-nav__panel a:hover,
.mobile-nav__direct:hover {
  color: var(--hw-orange-light);
}
.mobile-nav__label {
  margin: 14px 0 2px;
  color: var(--hw-orange-light);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mobile-nav__actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: 22px;
}
.mobile-nav__career,
.mobile-nav__contact {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.mobile-nav__career {
  color: var(--hw-white);
  border: 1px solid rgba(255,255,255,.22);
}
.mobile-nav__contact {
  color: var(--hw-white);
  background: var(--hw-orange);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

#mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.98);
  z-index: 998;
  display: none;
  flex-direction: column;
  padding: 88px 32px 40px;
  overflow-y: auto;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
body.mobile-nav-open #site-header {
  background: rgba(255,255,255,0.98);
  border-bottom: 1px solid rgba(17,24,39,0.08);
  box-shadow: none;
}
body.mobile-nav-open #site-header .logo-mark {
  filter: brightness(0.18) saturate(0.9);
}
body.mobile-nav-open #site-header .nav-toggle span {
  background: var(--hw-charcoal);
  box-shadow: none;
}
#mobile-nav.open {
  display: flex;
}
.mnav-item {
  border-bottom: 1px solid rgba(17,24,39,0.08);
  padding: 14px 0;
}
.mnav-item > a {
  font-family: var(--font-d);
  font-size: 20px;
  font-weight: 600;
  color: var(--neutral-900);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mnav-sub {
  padding: 8px 0 4px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mnav-sub a {
  font-size: 14px;
  color: var(--neutral-600);
  padding: 4px 0;
}
.mnav-sub a:hover {
  color: var(--hw-orange);
}
.mnav-group-label {
  display: block;
  font-family: var(--font-d);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hw-orange);
  padding: 8px 0 3px;
  margin-top: 4px;
  border-top: 1px solid rgba(17,24,39,0.08);
}
.mnav-group-label:first-child {
  border-top: none;
  margin-top: 0;
}
.mnav-accordion {
  border-top: 1px solid rgba(17,24,39,0.08);
}
.mnav-accordion:first-child { border-top: none; }
.mnav-accordion summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  font-family: var(--font-d);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--neutral-900);
}
.mnav-accordion summary::-webkit-details-marker { display: none; }
.mnav-accordion summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--trans-fast);
  color: var(--hw-orange);
}
.mnav-accordion[open] summary { color: var(--hw-orange); }
.mnav-accordion[open] summary::after { transform: rotate(225deg); }
.mnav-accordion__links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 0 12px 12px;
}
.mnav-accordion__links a {
  font-size: 14px;
  color: var(--neutral-600);
  padding: 4px 0;
}
.mnav-business-link {
  display: block;
  border-top: 1px solid rgba(17,24,39,0.08);
  padding: 10px 0;
  font-family: var(--font-d);
  font-size: 13px !important;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--neutral-900) !important;
}
.mnav-business-link:hover { color: var(--hw-orange) !important; }

body.page-index #site-header:not(.scrolled) .nav-toggle span {
  background: var(--hw-orange);
  box-shadow: 0 1px 5px rgba(0,0,0,.45);
}

/* ══════════════════════════════════════════════════════════
   FOOTER (sub-page — via tail.php)
   ══════════════════════════════════════════════════════════ */
#site-footer {
  background: var(--hw-black);
  color: rgba(255,255,255,.55);
}
.footer-main {
  padding: 64px var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr 1fr 1fr;
  gap: 48px;
}
.footer-tagline {
  font-size: 13px;
  line-height: 1.6;
  margin-top: 16px;
  color: rgba(255,255,255,.4);
  font-weight: 300;
}
.footer-social { display: flex; gap: 10px; margin-top: 24px; }
.footer-social a {
  width: 34px; height: 34px;
  background: rgba(255,255,255,.07);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans-fast);
}
.footer-social a:hover { background: var(--hw-orange); }
.footer-social svg { width: 16px; color: rgba(255,255,255,.6); }
.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.45); transition: color var(--trans-fast); }
.footer-links a:hover { color: var(--hw-orange-light); }
.footer-bottom { background: rgba(0,0,0,.3); border-top: 1px solid rgba(255,255,255,.06); }
.footer-bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-copy  { font-size: 12px; color: rgba(255,255,255,.3); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 12px; color: rgba(255,255,255,.3); transition: color var(--trans-fast); }
.footer-legal a:hover { color: rgba(255,255,255,.6); }

/* ── Back to top / Top button ── */
.top-btn,
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity    0.28s ease,
    visibility 0.28s ease,
    transform  0.28s ease,
    background 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}
.top-btn {
  background: var(--hw-orange);
  color: var(--hw-white);
  box-shadow: 0 10px 24px rgba(0,0,0,.22);
}
.top-btn:hover { background: var(--hw-orange-dark); }

.back-to-top {
  background: rgba(9,16,26,0.78);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border: 1px solid rgba(255,255,255,0.12);
}
.back-to-top:hover {
  background: rgba(249,109,23,0.92);
  border-color: rgba(249,109,23,0.9);
  box-shadow: 0 14px 32px rgba(249,109,23,0.28);
}

.top-btn.show,
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

.top-btn svg,
.back-to-top svg { width: 20px; height: 20px; }

/* ══════════════════════════════════════════════════════════
   PRIVACY BANNER
   ══════════════════════════════════════════════════════════ */
.privacy-banner {
  position: fixed;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: none;
}
.privacy-banner.show { display: block; }
.privacy-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  background: rgba(8,18,36,0.92);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 18px 50px rgba(0,0,0,0.28);
  backdrop-filter: blur(10px);
}
.privacy-banner__text strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}
.privacy-banner__text p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.76);
  max-width: 760px;
}
.privacy-banner__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.privacy-link { color: rgba(255,255,255,0.82); text-decoration: underline; font-size: 13px; }
.privacy-accept {
  border: 0;
  background: #f37321;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 12px 20px;
  cursor: pointer;
}
.privacy-accept:hover { background: #d45f0a; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Layout
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .header-inner { padding-left: 48px; padding-right: 48px; }
}
@media (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .header-inner { padding-left: 32px; padding-right: 32px; }
  .gnb, .main-nav { display: none; }
  .header-cta { display: flex; }
  .header-careers,
  .header-contact-btn { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 768px) {
  .header-inner { padding: 0 1.25rem; }
  .main-nav     { display: none; }
  .nav-toggle   { display: flex; }
  .header-careers { display: none; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
  .top-btn, .back-to-top { right: 16px; bottom: 16px; width: 48px; height: 48px; }
}
@media (max-width: 620px) {
  .header-inner { padding-left: 20px; padding-right: 20px; }
  .privacy-banner { left: 12px; right: 12px; bottom: 12px; }
  .privacy-banner__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .privacy-banner__actions { width: 100%; justify-content: space-between; }
  .back-to-top { width: 46px; height: 46px; }
  .back-to-top svg { width: 18px; height: 18px; }
}
@media (max-width: 480px) {
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
}