/* e-tax.uk Stage 7.3 global responsive header */
:root{--hdr-bg:#fff;--hdr-text:#101828;--hdr-muted:#475467;--hdr-border:#e4e7ec;--hdr-primary:#175cd3;--hdr-primary-hover:#144ea9;--hdr-soft:#f4f7fb;--hdr-shadow:0 12px 30px rgba(16,24,40,.10);--trial:#48d7ad}
html[data-theme="dark"]{color-scheme:dark;--hdr-bg:#111827;--hdr-text:#f8fafc;--hdr-muted:#cbd5e1;--hdr-border:#2b3648;--hdr-primary:#6b9cff;--hdr-primary-hover:#85adff;--hdr-soft:#172033;--hdr-shadow:0 12px 30px rgba(0,0,0,.30)}
.global-header{position:sticky;top:0;z-index:1000;width:100%;background:var(--hdr-bg);border-bottom:1px solid var(--hdr-border);box-shadow:0 2px 10px rgba(16,24,40,.04)}
.global-header *{box-sizing:border-box}.global-header button,.global-header a{font-family:Arial,Helvetica,sans-serif}
.global-header-inner{width:min(1600px,96%);min-height:78px;margin:0 auto;display:flex;align-items:center;gap:24px}
.global-logo{flex:0 0 auto;font-size:28px;font-weight:900;letter-spacing:-1px;color:var(--hdr-text)!important;text-decoration:none!important;white-space:nowrap}.global-logo:hover{color:var(--hdr-primary)!important}
.global-header-menu{min-width:0;flex:1;display:flex;align-items:center;gap:16px}.global-nav{display:flex;align-items:stretch;gap:2px;min-width:0}.nav-direct,.nav-dropdown-toggle{height:78px;display:flex;align-items:center;padding:0 13px;border:0;background:transparent;color:var(--hdr-text)!important;font-size:15px;font-weight:700;text-decoration:none!important;white-space:nowrap;cursor:pointer}.nav-dropdown-toggle{gap:7px}.nav-direct:hover,.nav-dropdown-toggle:hover,.nav-dropdown.is-open>.nav-dropdown-toggle{background:var(--hdr-soft);color:var(--hdr-primary)!important}.nav-chevron{font-size:12px;transition:transform .2s ease}.nav-dropdown.is-open .nav-chevron{transform:rotate(180deg)}
.nav-dropdown{position:static}.mega-menu{display:none;position:absolute;z-index:1001;left:0;right:0;top:78px;padding:30px max(3vw,32px) 38px;background:var(--hdr-soft);border-top:1px solid var(--hdr-border);border-bottom:1px solid var(--hdr-border);box-shadow:0 18px 28px rgba(16,24,40,.12);grid-template-columns:repeat(2,minmax(240px,1fr));gap:34px 70px}.nav-dropdown.is-open>.mega-menu{display:grid}.mega-three{grid-template-columns:repeat(3,minmax(210px,1fr))}.mega-heading{margin-bottom:14px;color:var(--hdr-muted);font-size:12px;font-weight:900;letter-spacing:.04em}.mega-column{display:flex;flex-direction:column;gap:7px}.mega-column>a{display:flex;flex-direction:column;gap:2px;padding:9px 10px;border-radius:8px;color:var(--hdr-text)!important;font-size:16px;text-decoration:none!important}.mega-column>a:hover{background:var(--hdr-bg);color:var(--hdr-primary)!important}.mega-column>a strong{color:inherit}.mega-column>a span{color:var(--hdr-muted);font-size:14px;font-weight:400;line-height:1.35}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:9px;white-space:nowrap}.header-trial-link,.header-login-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:9px;font-size:14px;font-weight:800;text-decoration:none!important}.header-trial-link{background:var(--trial);color:#071a2f!important}.header-trial-link:hover{background:#63e2bd}.header-login-link{border:1px solid var(--hdr-border);background:var(--hdr-bg);color:var(--hdr-text)!important}.header-login-link:hover{border-color:var(--hdr-primary);color:var(--hdr-primary)!important}
.header-tools,.language-switcher,.theme-switcher{display:flex;align-items:center}.header-tools{gap:7px}.language-switcher,.theme-switcher{gap:7px;padding:4px;border:1px solid var(--hdr-border);border-radius:10px;background:var(--hdr-soft)}.language-button,.theme-button{appearance:none;border:0;border-radius:7px;background:transparent;color:var(--hdr-text);cursor:pointer;font-weight:800;display:flex;align-items:center;justify-content:center}.language-button{height:34px;padding:0 7px;gap:5px;font-size:12px}.theme-button{width:35px;height:34px;font-size:17px}.language-button:hover,.theme-button:hover,.language-button.is-active,.theme-button.is-active{background:var(--hdr-bg);box-shadow:0 1px 5px rgba(16,24,40,.12)}.flag-image{width:26px;height:17px;display:block;object-fit:cover;border-radius:1px;background:transparent!important;filter:none!important}
.mobile-menu-toggle{display:none;width:44px;height:42px;margin-left:auto;border:1px solid var(--hdr-border);border-radius:9px;background:var(--hdr-bg);padding:9px;cursor:pointer}.mobile-menu-toggle span{display:block;width:100%;height:2px;margin:5px 0;border-radius:2px;background:var(--hdr-text);transition:transform .2s ease,opacity .2s ease}.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.global-header,.global-header *{transition:background-color .35s ease,color .35s ease,border-color .35s ease,box-shadow .35s ease}
html[data-theme="dark"] body{background:#0b1220;color:#e5e7eb}
@media(max-width:1250px){.global-header-inner{gap:14px}.nav-direct,.nav-dropdown-toggle{padding:0 9px;font-size:14px}.header-trial-link,.header-login-link{padding:0 12px}.global-header-menu{gap:9px}.header-tools{gap:5px}}
@media(max-width:1050px){
 .global-header-inner{min-height:70px;position:relative;width:94%}.mobile-menu-toggle{display:block}.global-header-menu{display:none;position:absolute;left:-3.2%;right:-3.2%;top:70px;max-height:calc(100vh - 70px);overflow-y:auto;margin:0;padding:12px 5% 24px;flex-direction:column;align-items:stretch;gap:12px;background:var(--hdr-bg);border-top:1px solid var(--hdr-border);border-bottom:1px solid var(--hdr-border);box-shadow:var(--hdr-shadow)}.global-header-menu.is-open{display:flex}
 .global-nav{width:100%;flex-direction:column;align-items:stretch;gap:2px}.nav-direct,.nav-dropdown-toggle{width:100%;height:auto;min-height:48px;padding:12px 8px;justify-content:space-between;border-bottom:1px solid var(--hdr-border);text-align:left}.nav-dropdown{position:relative}.mega-menu,.mega-three{position:static;display:none;grid-template-columns:1fr;gap:16px;padding:12px 8px 16px;background:var(--hdr-soft);border:0;border-bottom:1px solid var(--hdr-border);box-shadow:none}.nav-dropdown.is-open>.mega-menu{display:grid}.mega-heading{margin:5px 0 3px}.mega-column{gap:2px}.mega-column>a{padding:9px 8px}
 .header-actions{width:100%;margin:0;display:grid;grid-template-columns:1fr;gap:8px}.header-trial-link,.header-login-link{width:100%;min-height:46px}.header-tools{width:100%;justify-content:space-between;gap:10px}.language-switcher,.theme-switcher{flex:1;justify-content:center;min-height:46px}
}
@media(max-width:520px){.global-logo{font-size:25px}.global-header-menu{padding-left:4%;padding-right:4%}.header-tools{flex-direction:column}.language-switcher,.theme-switcher{width:100%}}
@media(prefers-reduced-motion:reduce){.global-header,.global-header *{transition:none!important}}

/* Stage 7.3.1 mobile navigation reliability fix */
@media (max-width:1050px){
  .global-header .mobile-menu-toggle{display:block!important;position:relative;z-index:10002;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
  .global-header .global-header-menu{display:none!important;z-index:10001}
  .global-header .global-header-menu.is-open{display:flex!important}
}

/* Stage 7.3.2 Android/Chrome burger: CSS checkbox fallback (works even if tap JS is blocked). */
.mobile-menu-checkbox{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}
@media (max-width:1050px){
  .global-header .mobile-menu-toggle{display:block!important;position:relative!important;z-index:10002!important;pointer-events:auto!important;touch-action:manipulation!important;-webkit-user-select:none;user-select:none}
  .global-header .mobile-menu-checkbox:checked + .mobile-menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .global-header .mobile-menu-checkbox:checked + .mobile-menu-toggle span:nth-child(2){opacity:0}
  .global-header .mobile-menu-checkbox:checked + .mobile-menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .global-header .mobile-menu-checkbox:checked ~ .global-header-menu{display:flex!important}
  body.mobile-nav-open{overflow:hidden}
}


/* Stage 7.3.4: compact responsive tools beside navigation / burger. */
.global-logo{order:0}
.global-header-menu{order:1}
.header-tools{order:2;flex:0 0 auto;margin-left:0}
.mobile-menu-checkbox{order:3}
.mobile-menu-toggle{order:4}

/* Flags and theme icons are standalone controls: no enclosing cards. */
.header-tools{display:flex;align-items:center;gap:4px}
.language-switcher,.theme-switcher{
  display:flex;align-items:center;gap:2px;padding:0;border:0;border-radius:0;background:transparent;
}
.language-button,.theme-button{
  flex:0 0 auto;height:38px;border:0;border-radius:8px;background:transparent!important;
  box-shadow:none!important;color:var(--hdr-text);transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.language-button{min-width:44px;padding:0 5px;gap:4px}
.theme-button{width:38px;padding:0;font-size:18px}
.language-button:hover,.theme-button:hover,.language-button:focus-visible,.theme-button:focus-visible{
  background:var(--hdr-soft)!important;box-shadow:none!important;outline:2px solid transparent;
}
.language-button.is-active,.theme-button.is-active{background:transparent!important;box-shadow:none!important}
.language-button.is-active{color:var(--hdr-primary)}
.flag-image{width:25px;height:16px}

/* At the compact breakpoint, navigation/actions move into burger; tools stay in top bar. */
@media(max-width:1050px){
  .global-header-inner{width:96%;gap:5px!important;min-height:64px}
  .global-logo{margin-right:auto;font-size:clamp(21px,5.8vw,27px)}
  .header-tools{display:flex!important;width:auto!important;flex:0 0 auto!important;flex-direction:row!important;justify-content:flex-end!important;gap:2px!important}
  .language-switcher,.theme-switcher{display:flex!important;width:auto!important;min-height:0!important;flex:0 0 auto!important;gap:1px!important;padding:0!important;border:0!important;background:transparent!important}
  .language-button,.theme-button,.mobile-menu-toggle{
    width:40px!important;min-width:40px!important;height:40px!important;min-height:40px!important;
  }
  .language-button{padding:0!important;gap:0!important}
  .language-button span{display:none!important}
  .flag-image{width:25px!important;height:16px!important}
  .theme-button{padding:0!important;font-size:18px!important}
  .mobile-menu-toggle{margin-left:1px!important;padding:8px!important;flex:0 0 40px!important}
  .global-header-menu{top:64px;max-height:calc(100vh - 64px)}
}

/* Narrow phones: preserve all four tools plus burger without wrapping. */
@media(max-width:430px){
  .global-header-inner{width:97%;gap:2px!important}
  .global-logo{font-size:clamp(19px,5.6vw,23px);letter-spacing:-.7px}
  .header-tools{gap:0!important}
  .language-switcher,.theme-switcher{gap:0!important}
  .language-button,.theme-button,.mobile-menu-toggle{
    width:35px!important;min-width:35px!important;height:38px!important;min-height:38px!important;
  }
  .flag-image{width:22px!important;height:14px!important}
  .theme-button{font-size:16px!important}
  .mobile-menu-toggle{flex-basis:35px!important;padding:7px!important}
}

@media(max-width:360px){
  .global-header-inner{gap:1px!important}
  .global-logo{font-size:19px}
  .language-button,.theme-button,.mobile-menu-toggle{
    width:32px!important;min-width:32px!important;height:36px!important;min-height:36px!important;
  }
  .flag-image{width:20px!important;height:13px!important}
  .theme-button{font-size:15px!important}
  .mobile-menu-toggle{flex-basis:32px!important;padding:6px!important}
}

/* Stage 7.4.3 — eTax wordmark */
.global-logo{display:flex!important;align-items:center;line-height:1;padding:0!important;min-width:108px}
.etax-logo{display:block;width:clamp(108px,8.2vw,142px);height:auto;overflow:visible}
.etax-word{fill:var(--hdr-text);transition:fill .2s ease}
.global-logo:hover .etax-word{fill:var(--hdr-primary)}
.global-logo:hover .etax-mark,.global-logo:hover .etax-swoosh{filter:brightness(1.05)}
@media(max-width:1050px){.global-logo{min-width:92px}.etax-logo{width:clamp(92px,15vw,116px)}}
@media(max-width:520px){.global-logo{min-width:86px}.etax-logo{width:clamp(86px,24vw,108px)}}
@media(max-width:390px){.global-logo{min-width:78px}.etax-logo{width:82px}}


/* Stage 7.4.4 — authenticated desktop header fit fix */
@media (min-width:1051px) and (max-width:1750px){
  .global-header-inner{width:98%;gap:8px}
  .global-logo{min-width:94px}
  .etax-logo{width:104px}
  .global-header-menu{gap:5px;min-width:0}
  .global-nav{gap:0;min-width:0;flex:1 1 auto}
  .nav-direct,.nav-dropdown-toggle{padding-left:7px;padding-right:7px;font-size:13px}
  .nav-dropdown-toggle{gap:4px}
  .header-actions{gap:5px;flex:0 0 auto}
  .header-trial-link,.header-login-link{padding-left:10px;padding-right:10px;font-size:13px;min-height:42px}
  .header-tools{gap:1px;flex:0 0 auto}
  .language-switcher,.theme-switcher{gap:0}
  .language-button{min-width:38px;padding-left:3px;padding-right:3px}
  .theme-button{width:34px}
}

/* Stage 7.4.5 — Accountants & Bookkeepers compact four-column desktop mega menu */
@media (min-width:1051px){
  .accountant-mega.mega-four{
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px 34px;
    padding-top:24px;
    padding-bottom:28px;
    align-items:start;
  }
  .accountant-mega .mega-column{
    min-width:0;
    gap:3px;
  }
  .accountant-mega .mega-heading{
    margin-bottom:8px;
  }
  .accountant-mega .mega-column>a{
    padding:7px 9px;
    font-size:15px;
    line-height:1.2;
  }
}

/* Keep the accountants menu single-column inside the mobile burger. */
@media (max-width:1050px){
  .accountant-mega.mega-four{
    grid-template-columns:1fr;
  }
}