.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); height: var(--header-h); }
.header__inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }
.header__logo { display: flex; flex-direction: column; text-decoration: none; flex-shrink: 0; }
.header__logo-name { font-size: 1.15rem; font-weight: 900; color: var(--color-primary); line-height: 1.2; }
.header__logo-desc { font-size: 0.7rem; color: var(--color-text-muted); }
.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav__item { position: relative; }
.nav__link { display: block; padding: 8px 14px; font-size: 0.9rem; font-weight: 500; border-radius: var(--radius-sm); transition: background .15s,color .15s; white-space: nowrap; }
.nav__link:hover,.nav__link--active { background: var(--color-primary-light); color: var(--color-primary); }
.nav__link--has-dropdown::after { content: '▾'; margin-left: 4px; font-size: 0.7rem; }
.dropdown { display: none; position: absolute; top: 100%; left: 0; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 8px; min-width: 200px; z-index: 200; margin-top: 8px; }
.dropdown::before { content: ''; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }
.nav__item:hover .dropdown { display: block; }
.nav__item.is-open .dropdown { display: block; }
.dropdown__link { display: block; padding: 10px 14px; font-size: 0.88rem; border-radius: var(--radius-sm); transition: background .15s; }
.dropdown__link:hover { background: var(--color-primary-light); color: var(--color-primary); }
.header__contacts { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-shrink: 0; }
.header__phone { font-weight: 700; font-size: 0.95rem; white-space: nowrap; }
.header__phone:hover { color: var(--color-primary); }
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: .3s; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: #fff; overflow-y: auto; padding: 24px 20px 40px; z-index: 99; transform: translateX(-100%); transition: transform .3s; }
.mobile-nav.open { transform: translateX(0); }
.mobile-nav__section { margin-bottom: 24px; }
.mobile-nav__title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted); margin-bottom: 10px; }
.mobile-nav__link { display: block; padding: 10px 0; font-size: 1rem; border-bottom: 1px solid var(--color-border); }
.mobile-nav__link--child { padding-left: 16px; font-size: .95rem; color: var(--color-text-muted); }
.mobile-nav__phone { margin-top: 16px; }
.btn--full { width: 100%; }
@media(max-width:1024px){.nav{display:none}.burger{display:flex}.mobile-nav{display:block}.header__phone{display:none}}
@media(max-width:480px){.header__contacts .btn{display:none}}