/* Shared, isolated header. Matches approved menu concept 01. */
body > header.isart-sh.isart-sh {
    --sh-ink:#1b2932;--sh-muted:#648599;--sh-yellow:#ffe238;
    position:relative;inset:auto;display:block;width:100%;height:auto;min-height:0;margin:0;padding:0;
    z-index:100;background:#fff;color:var(--sh-ink);border:0;border-bottom:1px solid #e8edef;box-shadow:none;
    font:400 16px/1.4 Aptos,"Segoe UI",Arial,sans-serif;text-align:left;
}
.isart-sh *, .isart-sh *::before, .isart-sh *::after{box-sizing:border-box}
.isart-sh [hidden]{display:none!important}
.isart-sh a{color:inherit;text-decoration:none;background:transparent;box-shadow:none}
.isart-sh button{appearance:none;-webkit-appearance:none;margin:0;cursor:pointer;font:inherit;letter-spacing:normal;text-transform:none;text-align:left;background:none;color:inherit;border:0;box-shadow:none}
.isart-sh svg{display:block;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.isart-sh ul,.isart-sh li,.isart-sh p{margin:0;padding:0;list-style:none}
.isart-sh li::before,.isart-sh li::after{content:none}
.isart-sh .isart-sh__inner{position:relative;width:100%;max-width:1740px;min-height:104px;margin:0 auto;padding:24px 40px;display:flex;align-items:center;gap:32px}
.isart-sh .isart-sh__logo{display:block;width:120px;min-width:120px;line-height:0;margin:0;padding:0}
.isart-sh .isart-sh__logo img{display:block;width:120px;height:50px;max-width:100%;object-fit:contain;border:0;margin:0;filter:brightness(0)}
.isart-sh .isart-sh__nav{display:block;flex:1;min-width:0;margin:0;padding:0}
.isart-sh .isart-sh__list{display:flex;align-items:center;justify-content:center;gap:23px}
.isart-sh .isart-sh__item{position:static;flex:none;border:0;background:none}
.isart-sh .isart-sh__item-head{display:flex;align-items:center;white-space:nowrap;gap:1px}
.isart-sh .isart-sh__link{display:block;padding:13px 0;font-size:16px;font-weight:500;line-height:1.3;white-space:nowrap;border:0;transition:color .15s}
.isart-sh .isart-sh__link:hover,.isart-sh .isart-sh__item--current>.isart-sh__item-head>.isart-sh__link{color:#597d92}
.isart-sh .isart-sh__expand{display:flex;align-items:center;justify-content:center;width:24px;height:44px;padding:0;flex:none}
.isart-sh .isart-sh__expand svg{width:14px;height:14px;transition:transform .15s}
.isart-sh .isart-sh__expand[aria-expanded="true"] svg{transform:rotate(180deg)}
.isart-sh .isart-sh__contacts{display:flex;flex-direction:column;flex:none;padding-left:25px;border-left:1px solid #e8edef;gap:3px;white-space:nowrap}
.isart-sh .isart-sh__phone{display:flex;align-items:center;gap:10px;font-size:17px;line-height:1.4;font-weight:600;padding:0;margin:0}
.isart-sh .isart-sh__phone svg{width:21px;height:21px;color:var(--sh-muted)}
.isart-sh .isart-sh__email{display:block;color:var(--sh-muted);font-size:14px;font-weight:400;line-height:1.4;padding:0 0 0 31px;margin:0}
.isart-sh .isart-sh__cta{display:inline-flex;align-items:center;justify-content:center;flex:none;gap:18px;padding:17px 21px;min-height:54px;border:1px solid var(--sh-yellow);border-radius:8px;background:var(--sh-yellow);color:var(--sh-ink);font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;transition:background .15s,border-color .15s}
.isart-sh .isart-sh__cta svg{width:20px;height:20px}
.isart-sh .isart-sh__cta:hover{background:#f7d719;border-color:#f7d719;color:var(--sh-ink)}
.isart-sh .isart-sh__burger{display:none;position:relative;flex:none;width:44px;height:44px;border:1px solid #dbe4e7;border-radius:8px;padding:11px;background:#fff}
.isart-sh .isart-sh__burger span{display:block;position:absolute;width:20px;height:2px;left:11px;top:14px;background:var(--sh-ink);transition:transform .15s,opacity .15s}
.isart-sh .isart-sh__burger span:nth-child(2){top:20px}.isart-sh .isart-sh__burger span:nth-child(3){top:26px}
.isart-sh .isart-sh__burger[aria-expanded="true"] span:first-child{top:20px;transform:rotate(45deg)}
.isart-sh .isart-sh__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.isart-sh .isart-sh__burger[aria-expanded="true"] span:last-child{top:20px;transform:rotate(-45deg)}
.isart-sh a:focus-visible,.isart-sh button:focus-visible{outline:2px solid #587e95;outline-offset:4px;border-radius:4px}
.isart-sh .isart-sh__panel{position:absolute;top:100%;padding:28px;border:1px solid #dce5e9;border-radius:0 0 14px 14px;background:#fff;box-shadow:0 16px 30px #1b293216;color:var(--sh-ink);text-align:left;max-height:calc(100vh - 130px);overflow:auto;overscroll-behavior:contain}
.isart-sh .isart-sh__panel--sites{left:40px;right:40px;display:grid;grid-template-columns:1fr .8fr 1.3fr;gap:32px}
.isart-sh .isart-sh__panel--apps,.isart-sh .isart-sh__panel--marketing{left:0;right:auto;width:315px;display:block}
.isart-sh .isart-sh__group+.isart-sh__group{border-left:1px solid #e8edef;padding-left:32px}
.isart-sh .isart-sh__group-title{font-size:18px;font-weight:600;line-height:1.35;margin:0 0 12px;padding:0;color:var(--sh-ink)}
.isart-sh .isart-sh__sublist{display:grid;gap:2px}
.isart-sh .isart-sh__sublist li{margin:0;padding:0;list-style:none;background:none;border:0}
.isart-sh .isart-sh__sublist a,.isart-sh .isart-sh__service-button{display:block;width:100%;padding:8px 10px;margin:0 0 0 -10px;font-size:15px;font-weight:400;line-height:1.35;white-space:normal;min-height:35px;text-align:left;border-radius:5px;color:#4c6572;background:none;border:0}
.isart-sh .isart-sh__sublist a:hover,.isart-sh .isart-sh__service-button:hover{background:#f3f6f7;color:#1b2932}
.isart-sh .isart-sh__group:last-child .isart-sh__sublist{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 18px}
@media(max-width:1570px){.isart-sh .isart-sh__inner{padding:22px 28px;gap:23px}.isart-sh .isart-sh__list{gap:16px}.isart-sh .isart-sh__link{font-size:15px}.isart-sh .isart-sh__logo,.isart-sh .isart-sh__logo img{width:108px;min-width:108px;height:45px}.isart-sh .isart-sh__contacts{padding-left:19px}.isart-sh .isart-sh__phone{font-size:15px}.isart-sh .isart-sh__cta{font-size:14px;padding:16px 18px;gap:12px}.isart-sh .isart-sh__panel--sites{left:28px;right:28px}}
@media(max-width:1360px){.isart-sh .isart-sh__inner{gap:17px;padding-left:22px;padding-right:22px}.isart-sh .isart-sh__list{gap:12px}.isart-sh .isart-sh__link{font-size:14px}.isart-sh .isart-sh__phone{font-size:14px}.isart-sh .isart-sh__phone svg{width:18px;height:18px}.isart-sh .isart-sh__email{font-size:13px;padding-left:27px}.isart-sh .isart-sh__cta{padding:16px 15px}.isart-sh .isart-sh__contacts{padding-left:15px}}
@media(max-width:1239px){
    .isart-sh .isart-sh__inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:16px;padding:18px 24px;min-height:90px}
    .isart-sh .isart-sh__logo{grid-column:1;grid-row:1}
    .isart-sh .isart-sh__contacts{grid-column:2;grid-row:1;justify-self:end;border:0;padding:0 14px 0 0}
    .isart-sh .isart-sh__cta{grid-column:3;grid-row:1}
    .isart-sh .isart-sh__burger{display:block;grid-column:4;grid-row:1}
    .isart-sh .isart-sh__nav{grid-column:1/-1;grid-row:2;width:100%;border-top:1px solid #e8edef;padding-top:9px}
    .isart-sh.isart-sh--ready:not(.isart-sh--nav-open) .isart-sh__nav{display:none}
    .isart-sh .isart-sh__list{display:block}
    .isart-sh .isart-sh__item{border-bottom:1px solid #eef2f3}
    .isart-sh .isart-sh__item:last-child{border-bottom:0}
    .isart-sh .isart-sh__item-head{justify-content:space-between}
    .isart-sh .isart-sh__link{font-size:18px;line-height:1.4;padding:13px 2px;flex:1}
    .isart-sh .isart-sh__expand{width:44px}
    .isart-sh .isart-sh__panel{position:static;width:100%;margin:0 0 12px;padding:22px;box-shadow:none;border-radius:10px;background:#f6f8f8;max-height:56vh;overflow:auto}
    .isart-sh .isart-sh__panel--sites{grid-template-columns:1fr 1fr;gap:24px}
    .isart-sh .isart-sh__group+.isart-sh__group{padding:0;border:0}
    .isart-sh .isart-sh__group:last-child{grid-column:1/-1;border-top:1px solid #dfe8eb;padding-top:20px}
    .isart-sh .isart-sh__sublist a,.isart-sh .isart-sh__service-button{font-size:16px;min-height:44px;padding-top:10px;padding-bottom:10px}
}
@media(max-width:600px){
    .isart-sh .isart-sh__inner{grid-template-columns:auto minmax(0,1fr) auto;gap:12px 10px;min-height:0;padding:16px 18px 12px}
    .isart-sh .isart-sh__logo,.isart-sh .isart-sh__logo img{width:96px;min-width:96px;height:40px}
    .isart-sh .isart-sh__cta{grid-column:2;justify-self:end;font-size:13px;padding:12px 14px;gap:10px;min-height:44px;border-radius:7px}
    .isart-sh .isart-sh__cta svg{width:18px;height:18px}
    .isart-sh .isart-sh__burger{grid-column:3}
    .isart-sh .isart-sh__contacts{grid-row:2;grid-column:1/-1;justify-self:stretch;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:10px;padding:0;border:0}
    .isart-sh .isart-sh__phone{font-size:14px;gap:7px}.isart-sh .isart-sh__phone svg{width:17px;height:17px}
    .isart-sh .isart-sh__email{font-size:13px;padding:0}
    .isart-sh .isart-sh__nav{grid-row:3;margin-top:1px}
    .isart-sh .isart-sh__panel{padding:19px;max-height:57vh}
    .isart-sh .isart-sh__panel--sites{grid-template-columns:1fr;gap:22px}
    .isart-sh .isart-sh__group:last-child{grid-column:auto}
    .isart-sh .isart-sh__group:last-child .isart-sh__sublist{grid-template-columns:1fr}
}
@media(max-width:360px){.isart-sh .isart-sh__inner{padding-left:12px;padding-right:12px;gap:12px 8px}.isart-sh .isart-sh__logo,.isart-sh .isart-sh__logo img{width:80px;min-width:80px;height:34px}.isart-sh .isart-sh__cta{padding:12px 11px;font-size:12px;gap:8px}.isart-sh .isart-sh__phone{font-size:12px}.isart-sh .isart-sh__email{font-size:12px}}
@media(prefers-reduced-motion:reduce){.isart-sh *{transition:none!important}}