.header-wrapper{position:sticky;top:0;left:0;width:100%;z-index:100;display:flex;justify-content:center;padding:0 24px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.header{display:flex;align-items:center;justify-content:space-between;background:transparent;border:0;padding:12px 0;border-radius:0;width:100%;max-width:1280px;min-height:72px;transition:var(--transition);box-shadow:none}
.header.scrolled{background:transparent;box-shadow:none}
.header-wrapper:has(.header.scrolled){box-shadow:0 8px 24px rgba(15,23,42,.06)}
.logo{font-size:1.25rem;display:flex;align-items:center;gap:6px;color:var(--text-main)}
.logo img{width:auto;height:32px}
.logo-icon{background:var(--acid-green);color:#000;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:transform .5s var(--ease-spring,ease)}
.logo:hover .logo-icon{transform:rotate(-18deg) scale(1.08)}
.nav-menu{display:flex;gap:32px;list-style:none}
.nav-menu a,.nav-menu li a{font-size:.95rem;font-weight:500;color:var(--text-muted)}
.nav-menu a:hover{color:var(--text-main)}
.header-contacts{display:flex;align-items:center;gap:20px}
.header-phone{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}
.phone-number{font-weight:600;font-size:.95rem}
.phone-number:hover{opacity:.7}
.online-status{display:inline-flex;align-items:center;gap:6px;margin-top:4px;font-size:.72rem;font-weight:600;color:#3f6212}
.online-status__dot{width:7px;height:7px;border-radius:50%;background:#65a30d;box-shadow:0 0 0 0 rgba(101,163,13,.45);animation:onlinePulse 2s ease-out infinite}
@keyframes onlinePulse{0%{box-shadow:0 0 0 0 rgba(101,163,13,.45)}70%{box-shadow:0 0 0 6px rgba(101,163,13,0)}100%{box-shadow:0 0 0 0 rgba(101,163,13,0)}}
.messengers{display:flex;gap:12px;align-items:center;border-left:1px solid var(--border-color);padding-left:20px}
.messenger-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-main);font-size:1.2rem;transition:var(--transition)}
.messenger-btn:hover{background:var(--acid-green);border-color:var(--acid-green);transform:translateY(-2px)}
.header-audit{height:36px;padding:0 16px;font-size:.84rem;line-height:1;white-space:nowrap}
.header-cta{padding:10px 24px;font-size:.9rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--text-main);transition:var(--transition);border-radius:2px}
.burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);z-index:99;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;opacity:0;visibility:hidden;pointer-events:none;transition:var(--transition)}
.mobile-menu.open{opacity:1;visibility:visible;pointer-events:auto}
.mobile-phone{font-size:1.1rem;font-weight:600}
.mobile-messengers{display:flex;gap:16px}
@media(max-width:1024px){.nav-menu,.header-contacts,.header .header-cta,.header .header-audit{display:none}.burger{display:flex}}
@media(max-width:1180px) and (min-width:1025px){.nav-menu{gap:18px}.messengers{display:none}.header{padding-left:18px;padding-right:18px}.header-audit{padding:0 13px}}
@media(max-width:768px){.header-wrapper{padding:0 12px}.header{padding:8px 0;border-radius:0;min-height:58px}}
/* Mobile drill-down menu */
.mobile-nav{width:100%;max-width:320px;position:relative}
.mob-level{display:none;flex-direction:column;gap:4px;width:100%;animation:mobSlideIn .25s ease}
.mob-level.active{display:flex}
@keyframes mobSlideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.mob-link{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-size:1.1rem;font-weight:600;color:var(--text-main);text-decoration:none;border-radius:var(--radius-sm);transition:background .2s;background:none;border:none;width:100%;cursor:pointer;font-family:var(--font-body);text-align:left}
.mob-link:hover{background:var(--bg-secondary)}
.mob-link i{font-size:.8rem;color:var(--text-muted)}
.mob-link--arrow{padding-right:12px}
.mob-link--muted{color:var(--text-muted);font-weight:500;font-size:1rem;margin-top:8px}
.mob-back{display:flex;align-items:center;gap:8px;padding:12px 16px;font-size:.9rem;font-weight:600;color:var(--text-muted);background:none;border:none;cursor:pointer;font-family:var(--font-body);margin-bottom:8px}
.mob-back:hover{color:var(--text-main)}
.mega-menu__trigger:focus-visible,.mob-link:focus-visible,.mob-back:focus-visible{outline-color:var(--focus-ring)}
.mob-level__title{font-size:1.4rem;font-weight:700;padding:0 16px 12px;border-bottom:1px solid var(--border-color);margin-bottom:8px}
/* Mobile services scroll within category level */
.mob-mega-scroll{overflow-y:auto;max-height:calc(100vh - 240px);padding:0;scrollbar-width:thin}
@media(prefers-reduced-motion:reduce){.online-status__dot{animation:none}}