/* demo-home: header — top nav and mobile menu trigger */

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s,padding .3s;padding:18px 0}
.site-header.scrolled{background:rgba(248,249,253,.85);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);padding:10px 0}
.site-header__nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header__links{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.site-header__links > li{list-style:none;position:relative}
.site-header__links a, .site-header__item{display:inline-flex;align-items:center;gap:5px;font-weight:600;font-size:15px;color:var(--ink);padding:9px 14px;border-radius:var(--r-md);cursor:pointer;transition:background .15s,color .15s}
/* dropdown triggers are <button> for keyboard access — strip the UA button chrome */
button.site-header__item{background:none;border:none;font-family:inherit;line-height:inherit;text-align:left}
/* open state mirrors :hover so the mouse path is unchanged; .is-open is driven by click/keyboard */
.site-header__links li:hover > .site-header__item,
.site-header__links li.is-open > .site-header__item{background:var(--blue-soft);color:var(--blue-ink)}
.site-header__item .nav-chevron{width:8px;transition:transform .2s}
.site-header__links li:hover .nav-chevron,
.site-header__links li.is-open .nav-chevron{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease}
.site-header__links li:hover .nav-dropdown,
.site-header__links li.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);font-weight:600;font-size:15px}
.nav-dropdown a:hover{background:var(--bg)}
.nav-dropdown a .nav-dropdown__icon{width:34px;height:34px;border-radius:var(--r-sm);background:var(--blue-soft);display:flex;align-items:center;justify-content:center;flex:none}
.nav-dropdown a small{display:block;font-weight:500;color:var(--ink-3);font-size:12.5px}
.site-header__actions{display:flex;align-items:center;gap:12px}
.site-header__account{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center;color:var(--ink-2);cursor:pointer;transition:.15s}
.site-header__account:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- keyboard focus ---------- */
/* :focus-visible only, so mouse users never see the ring */
.site-header__links a:focus-visible,
.site-header__item:focus-visible,
.nav-dropdown a:focus-visible,
.site-header__account:focus-visible,
.burger:focus-visible,
.mobile-menu__acc-head:focus-visible,
.mobile-menu__link:focus-visible,
.mobile-menu__acc-body a:focus-visible,
.mobile-menu__close:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ===================== MOBILE MENU ===================== */
.burger{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:0}
.burger span{display:block;width:24px;height:2.5px;border-radius:3px;background:var(--ink);margin:0 auto;transition:transform .28s ease,opacity .2s ease}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu-scrim{position:fixed;inset:0;background:rgba(12,15,28,.5);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:140}
.mobile-menu-scrim.open{opacity:1;visibility:visible}
.mobile-menu{position:fixed;top:0;right:0;height:100%;height:100dvh;width:min(86vw,360px);background:#fff;z-index:150;
  transform:translateX(100%);transition:transform .34s cubic-bezier(.4,0,.15,1);display:flex;flex-direction:column;box-shadow:-20px 0 60px -30px rgba(12,15,28,.5);overflow-y:auto}
.mobile-menu.open{transform:none}
.mobile-menu__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.mobile-menu__close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink-2);cursor:pointer}
.mobile-menu__nav{padding:8px 14px;flex:1}
.mobile-menu__link{display:block;padding:15px 12px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:17px;color:var(--ink);border-bottom:1px solid var(--line-2)}
.mobile-menu__acc{border-bottom:1px solid var(--line-2)}
.mobile-menu__acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;padding:15px 12px;background:none;border:none;cursor:pointer;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:17px;color:var(--ink)}
.mobile-menu__acc-head .mobile-menu__chev{transition:transform .25s ease;color:var(--ink-3)}
.mobile-menu__acc.open .mobile-menu__acc-head .mobile-menu__chev{transform:rotate(180deg)}
.mobile-menu__acc.open .mobile-menu__acc-head{color:var(--blue-ink)}
.mobile-menu__acc-body{max-height:0;overflow:hidden;transition:max-height .32s ease}
.mobile-menu__acc-body a{display:block;padding:11px 12px 11px 16px;border-left:2px solid var(--blue-soft);margin:2px 0 2px 6px}
.mobile-menu__acc-body a b{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.mobile-menu__acc-body a small{display:block;font-size:12.5px;color:var(--ink-3);margin-top:1px}
.mobile-menu__acc-body a:active{background:var(--blue-soft)}
.mobile-menu__foot{padding:18px 20px;border-top:1px solid var(--line);position:sticky;bottom:0;background:#fff}
.mobile-menu__foot .btn+.btn{margin-top:10px}
body.menu-open{overflow:hidden}

/* ===================== MOBILE LAYOUT (below lg) ===================== */
@media(max-width:991.98px){
  .burger{display:flex}
  .site-header__links{display:none}
  .site-header__actions .site-header__account{display:none}
  .site-header__actions .btn--blue{display:none}
}