.site-header{position:sticky;top:0;z-index:50;padding:16px 0;background:rgba(236,235,234,.84);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.04)}.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.logo img{width:154px;height:auto}.nav{display:flex;justify-content:center;gap:22px;align-items:center;font-size:13px;font-weight:650}.nav>a,.nav-item>a{padding:10px 0}.nav-item{position:relative}.dropdown{position:absolute;left:50%;top:calc(100% + 10px);transform:translate(-50%,8px);min-width:230px;padding:10px;background:#fff;border:1px solid #e3e3e3;border-radius:16px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s}.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;pointer-events:auto;transform:translate(-50%,0)}.dropdown a{display:block;padding:9px 11px;border-radius:9px;color:#56565b}.dropdown a:hover{background:#f2f2f1;color:#111}.header-actions{display:flex;align-items:center;gap:10px}.header-phone{font-size:12px;font-weight:700}.menu-toggle{display:none;width:44px;height:44px;border:0;border-radius:50%;background:#111;color:#fff}.mobile-menu{display:none}

/* Premium floating header refinement */
.site-header{position:sticky;top:0;z-index:80;padding:18px 0 8px;background:transparent;border:0;backdrop-filter:none}
.header-frame{width:min(calc(100% - 56px),1420px);margin-inline:auto;padding:8px;background:rgba(247,247,248,.76);border:1px solid rgba(255,255,255,.9);border-radius:999px;box-shadow:0 14px 45px rgba(20,20,24,.08);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px)}
.header-inner{display:grid;grid-template-columns:180px 1fr 180px;align-items:center;gap:20px;min-height:58px;padding:0 4px 0 22px}
.logo img{width:122px;height:auto}.nav{gap:29px;font-size:15px;font-weight:620}.nav>a,.nav-item>a{position:relative;padding:18px 0}.nav>a:after,.nav-item>a:after{content:"";position:absolute;left:0;right:100%;bottom:11px;height:1.5px;background:var(--red);transition:right .25s ease}.nav>a:hover:after,.nav-item>a:hover:after{right:0}
.dropdown{top:calc(100% + 3px);border:1px solid rgba(0,0,0,.06);border-radius:18px;box-shadow:0 20px 55px rgba(16,16,19,.14)}
.header-actions{justify-content:flex-end}.header-demo{min-height:50px;padding-inline:23px;box-shadow:inset 0 -3px 0 rgba(255,255,255,.12),0 8px 0 #060607,0 17px 28px rgba(0,0,0,.18)}.header-demo svg{display:none;width:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.menu-toggle{position:relative}.menu-toggle span{position:absolute;width:18px;height:1.5px;background:#fff;transition:.25s}.menu-toggle span:first-child{transform:translateY(-4px)}.menu-toggle span:last-child{transform:translateY(4px)}.menu-toggle[aria-expanded="true"] span:first-child{transform:rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:rotate(-45deg)}
@media(max-width:1120px){.header-frame{width:calc(100% - 28px)}.header-inner{grid-template-columns:auto 1fr auto}.header-demo svg{display:block}.header-demo span{display:none}.header-demo{width:48px;padding:0}.mobile-menu{top:92px}}
@media(max-width:780px){.site-header{padding-top:10px}.header-frame{width:calc(100% - 20px);padding:6px}.header-inner{min-height:52px;padding-left:14px}.logo img{width:112px}.header-demo{display:none}.mobile-menu{top:78px;left:10px;right:10px;border-radius:24px}}

.nav>a.is-active,.nav-item>a.is-active{color:var(--red)}.nav>a.is-active:after,.nav-item>a.is-active:after{right:0}

/* Final global header QA: centered, compact on scroll, and aligned at every viewport */
.site-header{transition:padding .35s cubic-bezier(.2,.8,.2,1)}
.header-frame{transition:width .35s cubic-bezier(.2,.8,.2,1),background .35s,box-shadow .35s,transform .35s}
.site-header.is-scrolled{padding-top:8px}
.site-header.is-scrolled .header-frame{width:min(calc(100% - 72px),1320px);background:rgba(247,247,248,.94);box-shadow:0 16px 44px rgba(20,20,24,.13)}
.site-header.is-scrolled .header-inner{min-height:52px}
.site-header.is-scrolled .nav>a,.site-header.is-scrolled .nav-item>a{padding-top:15px;padding-bottom:15px}
.header-actions,.header-demo{align-self:center}.header-demo{display:inline-flex;align-items:center;justify-content:center;line-height:1;white-space:nowrap}
.nav a,.dropdown a{color:#151619}.dropdown{max-height:min(68vh,560px);overflow:auto}.dropdown a{line-height:1.25}
@media(max-width:1120px){.site-header.is-scrolled .header-frame{width:calc(100% - 28px)}}
@media(max-width:780px){.site-header.is-scrolled .header-frame{width:calc(100% - 20px)}.header-inner{grid-template-columns:auto 1fr auto}.header-actions{justify-self:end}}


/* Final header alignment and physical-depth correction */
.header-frame{display:flex;align-items:center;min-height:76px}
.header-inner{width:100%;min-height:58px;align-items:center}
.header-actions,.header-demo{align-self:center}
.header-demo{display:inline-flex!important;align-items:center!important;justify-content:center!important;line-height:1;transform:translateY(-3px);box-shadow:inset 0 -3px 0 rgba(255,255,255,.12),0 5px 0 #050506,0 13px 24px rgba(0,0,0,.2)}
.header-demo:hover{transform:translateY(-5px)}
.site-header.is-scrolled .header-demo{transform:translateY(-2px)}
.site-header.is-scrolled .header-frame{width:min(calc(100% - 72px),1320px)}
@media(max-width:780px){.header-frame{min-height:64px}.header-inner{min-height:50px}.site-header.is-scrolled .header-frame{width:calc(100% - 20px)}}

/* Premium mega-menu system */
.mega-nav-item{position:relative}
.mega-dropdown{left:50%;min-width:620px;padding:18px;border-radius:24px;background:rgba(255,255,255,.97);border:1px solid rgba(18,19,22,.07);box-shadow:0 28px 70px rgba(18,19,22,.18);backdrop-filter:blur(24px);overflow:visible;max-height:none}
.mega-dropdown:before{content:"";position:absolute;top:-8px;left:50%;width:16px;height:16px;background:#fff;border-left:1px solid rgba(18,19,22,.07);border-top:1px solid rgba(18,19,22,.07);transform:translateX(-50%) rotate(45deg)}
.mega-dropdown-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mega-menu-link{display:grid!important;grid-template-columns:48px 1fr;gap:14px;align-items:center;padding:15px!important;border-radius:16px!important;color:var(--ink)!important;transition:transform .25s cubic-bezier(.2,.8,.2,1),background .25s ease,box-shadow .25s ease!important}
.mega-menu-link:hover{background:#f4f4f3!important;transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,19,22,.07)}
.mega-menu-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,#17181b,#090a0c);color:#fff;font-size:.72rem;font-weight:800;box-shadow:0 10px 20px rgba(18,19,22,.16)}
.mega-menu-copy{display:grid;gap:3px;min-width:0}
.mega-menu-copy strong{font-size:.95rem;line-height:1.1;color:#151619}
.mega-menu-copy small{font-size:.77rem;line-height:1.35;color:#77787d;font-weight:500}
.resources-mega .mega-dropdown{min-width:650px}
.features-mega .mega-dropdown{min-width:590px}
@media(max-width:1120px){.mega-dropdown{min-width:540px}.mega-menu-link{grid-template-columns:42px 1fr}.mega-menu-icon{width:42px;height:42px}}

/* Full 14-agent mega menu and simplified features navigation */
.agent-mega-dropdown{width:min(760px,calc(100vw - 60px));max-height:min(650px,calc(100vh - 120px));overflow:auto}
.agent-mega-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
.agent-mega-grid .mega-menu-link{min-height:76px}
@media(max-width:1120px){.agent-mega-dropdown{width:min(700px,calc(100vw - 36px))}}


/* Final AI Agents 4-column mega menu and direct Features page */
.agent-mega-dropdown{width:min(1120px,calc(100vw - 64px));left:50%;padding:18px}
.agent-mega-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.agent-mega-grid .mega-menu-link{min-height:96px;padding:14px}
.agent-mega-grid .mega-menu-icon{width:38px;height:38px;flex:0 0 38px}
.agent-mega-grid .mega-menu-copy strong{font-size:.92rem}
.agent-mega-grid .mega-menu-copy small{font-size:.72rem;line-height:1.35}
@media(max-width:1180px){.agent-mega-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.agent-mega-dropdown{width:min(920px,calc(100vw - 38px))}}
@media(max-width:900px){.agent-mega-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Final 4-column AI Agents mega-menu */
.agent-mega-dropdown{width:min(1180px,calc(100vw - 48px))!important;max-height:min(72vh,680px)!important;overflow:auto!important}
.agent-mega-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:8px!important}
.agent-mega-grid .mega-menu-link{min-height:78px!important;padding:11px!important;grid-template-columns:34px 1fr!important;gap:10px!important}
.agent-mega-grid .mega-menu-icon{width:34px!important;height:34px!important;border-radius:10px!important}
.agent-mega-grid .mega-menu-copy strong{font-size:.84rem!important}
.agent-mega-grid .mega-menu-copy small{font-size:.66rem!important;line-height:1.25!important}
@media(max-width:1180px){.agent-mega-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}.agent-mega-dropdown{width:min(920px,calc(100vw - 36px))!important}}
@media(max-width:900px){.agent-mega-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}}