/* Portfolio header: compact wordmark, accessible language disclosure and mobile navigation. */
html{scroll-padding-top:112px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,250,250,.95);border-bottom:1px solid #14171b14;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.site-header-inner{min-height:88px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap;width:fit-content}
.brand-mark{display:grid;place-items:center;width:43px;height:43px;color:#fff;background:#171b22;border-radius:10px}
.brand-mark svg{width:37px;height:37px;display:block}
.brand-wordmark{display:flex;flex-direction:column;gap:6px}
.brand-name{font-size:13px;font-weight:700;line-height:1;letter-spacing:1.5px;text-transform:uppercase}
.brand-caption{font-size:10px;font-weight:400;line-height:1;letter-spacing:1.15px;text-transform:uppercase;color:#646b77}
.site-navigation{display:flex;justify-content:flex-end;align-items:center;gap:34px;min-width:0}
.navigation-links{display:flex;align-items:center;gap:6px}
.site-header .navigation-links a{display:inline-flex;align-items:center;min-height:44px;padding:12px 15px;text-decoration:none;font-size:13px;font-weight:500;line-height:1.35;white-space:nowrap;color:#515864;border-radius:7px;transition:color .18s,background .18s}
.site-header .navigation-links a:hover{background:#e9edf4;color:#171b22}
.site-header .navigation-contact{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:44px;padding:12px 20px;border-radius:8px;background:#171b22;color:#fff;text-decoration:none;font-size:13px;font-weight:600;line-height:1.35;white-space:nowrap;transition:background .18s}
.site-header .navigation-contact:hover{background:#2348e8}
.header-controls{display:flex;align-items:center;gap:10px}
.site-header .language-switch{display:block;position:relative;margin:0;order:initial}
.site-header .language-switch summary{display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 12px;border:1px solid #d9dde5;border-radius:8px;cursor:pointer;list-style:none;font-size:11px;font-weight:700;line-height:1;letter-spacing:.04em;user-select:none;background:#fff}
.language-switch summary::-webkit-details-marker{display:none}
.site-header .language-switch summary:hover,.site-header .language-switch[open] summary{border-color:#a9b2c4;background:#f4f6fa}
.language-chevron{transition:transform .18s}
.language-switch[open] .language-chevron{transform:rotate(180deg)}
.language-panel{position:absolute;right:0;top:calc(100% + 12px);width:206px;padding:8px;background:#fff;border:1px solid #e1e5ec;border-radius:12px;box-shadow:0 16px 44px #1725431c;z-index:2}
.language-heading{display:block;padding:11px 12px 9px;font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:#737d8b;font-weight:600}
.site-header .language-switch a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;min-height:44px;padding:12px;border-radius:6px;color:#414956;background:transparent;font-size:14px;line-height:1.2;font-weight:400;letter-spacing:0;text-decoration:none}
.site-header .language-switch a:hover{background:#f2f4f8;color:#171b22}
.site-header .language-switch a[aria-current=page]{background:#eef2ff;color:#2348e8;font-weight:600}
.language-check{flex-shrink:0}
.site-header a:focus-visible,.site-header button:focus-visible,.site-header summary:focus-visible{outline:2px solid #2348e8;outline-offset:4px}
.nav-toggle{display:none}
@media(max-width:1100px) and (min-width:901px){.site-header-inner{gap:20px}.site-navigation{gap:16px}.site-header .navigation-links a{padding:12px 11px}.site-header .navigation-contact{padding:12px 15px;gap:12px}}
@media(max-width:900px){
 html{scroll-padding-top:94px}
 .site-header-inner{min-height:76px;grid-template-columns:1fr auto;gap:0 16px;position:relative;padding-top:10px;padding-bottom:10px}
 .brand-mark{width:38px;height:38px;border-radius:9px}.brand-mark svg{width:33px;height:33px}
 .brand-name{font-size:12px;letter-spacing:1.2px}.brand-caption{font-size:9px;letter-spacing:.8px}
 .header-controls{grid-column:2;grid-row:1}
 .site-navigation{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:12px 0 2px}
 .navigation-links{flex-wrap:wrap}
 .site-header.nav-ready .nav-toggle{display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #d9dde5;border-radius:8px;background:#fff;color:#171b22;cursor:pointer}
 .menu-icon{display:grid;gap:5px;width:18px}.menu-icon span{display:block;height:1.5px;background:currentColor;transform-origin:center;transition:transform .18s}
 .nav-toggle[aria-expanded=true] .menu-icon span:first-child{transform:translateY(3.25px) rotate(45deg)}
 .nav-toggle[aria-expanded=true] .menu-icon span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
 .site-header.nav-ready .site-navigation{display:none;position:absolute;top:calc(100% + 8px);left:16px;right:16px;max-height:calc(100dvh - 100px);overflow-y:auto;padding:16px;border:1px solid #e1e5ec;border-radius:14px;background:#fff;box-shadow:0 16px 44px #1725431c}
 .site-header.nav-ready[data-menu-open=true] .site-navigation{display:flex;flex-direction:column;align-items:stretch;gap:12px}
 .site-header.nav-ready .navigation-links{display:flex;flex-direction:column;align-items:stretch;gap:3px}
 .site-header.nav-ready .navigation-links a{min-height:48px;padding:14px;font-size:15px;white-space:normal}
 .site-header.nav-ready .navigation-contact{justify-content:space-between;min-height:48px;padding:14px}
 .site-header .language-switch summary{gap:7px;padding:10px;min-width:72px}
}
@media(max-width:380px){.site-header-inner{padding-left:16px;padding-right:16px;gap:10px}.brand{gap:9px}.brand-name{font-size:11px;letter-spacing:1px}.brand-caption{font-size:8px;letter-spacing:.55px}.header-controls{gap:7px}.site-header .language-switch summary{min-width:64px;padding:10px 8px;gap:6px}.language-globe{width:16px;height:16px}.language-chevron{width:10px;height:10px}}
@media(prefers-reduced-motion:reduce){.site-header *{transition:none!important}}
@media print{.site-header{display:none!important}}