.site-header {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: var(--z-header);
background-color: var(--color-bg-primary);
border-bottom: 1px solid var(--color-border);
transition: background-color var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
background-color: rgba(10, 10, 10, 0.95);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
box-shadow: var(--shadow-lg);
}
.header-main {
height: var(--header-height);
padding: 16px 0;
}
.header-inner {
display: flex;
align-items: center;
justify-content: space-between;
height: 100%;
} .header-logo {
flex-shrink: 0;
}
.logo-link {
display: flex;
align-items: center;
gap: var(--spacing-sm);
text-decoration: none;
}
.logo-link:hover {
color: var(--color-text-primary);
}
.logo-text {
display: flex;
align-items: center;
gap: 10px;
}
.logo-initials {
font-size: var(--font-size-2xl);
font-weight: var(--font-weight-extrabold);
color: var(--color-accent);
letter-spacing: 0.05em;
}
.logo-full {
font-size: var(--font-size-sm);
font-weight: var(--font-weight-semibold);
color: var(--color-text-primary);
text-transform: uppercase;
letter-spacing: 0.1em;
line-height: var(--line-height-tight);
} .header-nav {
flex: 1;
display: flex;
justify-content: center;
}
.nav-menu {
display: flex;
align-items: center;
gap: var(--spacing-sm);
list-style: none;
margin: 0;
padding: 0;
}
.nav-item {
position: relative;
}
.nav-link {
display: inline-flex;
align-items: center;
gap: 4px;
padding: 6px 10px;
font-size: var(--font-size-sm);
font-weight: var(--font-weight-medium);
color: #ffffff;
text-decoration: none;
transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
white-space: nowrap;
}
.nav-link:hover {
color: var(--color-accent);
}
.nav-link--active {
color: var(--color-text-primary);
}
.dropdown-arrow {
transition: transform var(--transition-fast);
margin-left: 2px;
} .nav-item--has-dropdown:hover > .sub-menu {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
.nav-item--has-dropdown:hover .dropdown-arrow {
transform: rotate(180deg);
}
.sub-menu,
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
min-width: 220px;
background-color: var(--color-bg-card);
border: 1px solid var(--color-border);
border-radius: var(--radius-md);
padding: 4px 0;
opacity: 0;
visibility: hidden;
transform: translateY(8px);
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
box-shadow: var(--shadow-xl);
list-style: none;
z-index: var(--z-dropdown);
}
.sub-menu .nav-item,
.dropdown-menu .nav-item {
display: block;
}
.dropdown-link {
display: block;
padding: 8px 16px;
font-size: var(--font-size-sm);
font-weight: var(--font-weight-regular);
color: var(--color-text-secondary);
transition: all var(--transition-fast);
}
.dropdown-link:hover {
color: var(--color-accent);
background-color: rgba(255, 255, 255, 0.03);
} .nav-item--has-megamenu {
position: static;
}
.megamenu {
position: absolute;
top: 100%;
left: 0;
right: 0;
background-color: var(--color-bg-card);
border: 1px solid var(--color-border);
border-top: 2px solid var(--color-accent);
box-shadow: var(--shadow-xl);
opacity: 0;
visibility: hidden;
transform: translateY(8px);
transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
z-index: var(--z-dropdown);
}
.nav-item--has-megamenu:hover > .megamenu {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
.megamenu-inner {
max-width: var(--container-max-width);
margin: 0 auto;
padding: 1.5rem 2rem;
}
.megamenu-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 0;
list-style: none;
margin: 0;
padding: 0;
}
.megamenu-item {
border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.megamenu-link {
display: block;
padding: 0.5rem 0.75rem;
font-size: var(--font-size-sm);
font-weight: var(--font-weight-regular);
color: var(--color-text-secondary);
text-decoration: none;
transition: color 0.15s ease, background-color 0.15s ease;
border-left: 2px solid transparent;
}
.megamenu-link:hover {
color: var(--color-accent);
background-color: rgba(255, 255, 255, 0.03);
border-left-color: var(--color-accent);
}
@media (max-width: 1024px) {
.megamenu {
display: none;
}
}
@media (max-width: 768px) {
.megamenu-grid {
grid-template-columns: 1fr;
}
} .header-cta {
flex-shrink: 0;
}
.header-phone-btn {
padding: 0.5rem 1.5rem;
font-size: var(--font-size-xs);
font-weight: var(--font-weight-semibold);
border-radius: 0;
}
.header-phone-btn .phone-icon {
width: 16px;
height: 16px;
} .mobile-menu-toggle {
display: none;
flex-direction: column;
justify-content: center;
gap: 6px;
width: 44px;
height: 44px;
padding: 10px;
background: none;
border: none;
cursor: pointer;
z-index: calc(var(--z-mobile-menu) + 1);
}
.hamburger-line {
display: block;
width: 100%;
height: 2px;
background-color: var(--color-text-primary);
border-radius: 2px;
transition: all var(--transition-base);
transform-origin: center;
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(2) {
opacity: 0;
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
transform: rotate(-45deg) translate(5px, -5px);
} .mobile-menu {
display: none;
position: fixed;
top: var(--header-height);
left: 0;
right: 0;
bottom: 0;
background-color: var(--color-bg-primary);
z-index: var(--z-mobile-menu);
overflow-y: auto;
transform: translateX(100%);
transition: transform var(--transition-base);
}
.mobile-menu.is-open {
transform: translateX(0);
}
.mobile-menu-inner {
padding: var(--spacing-xl) var(--container-padding);
}
.mobile-nav-menu {
list-style: none;
padding: 0;
margin: 0;
}
.mobile-nav-menu li {
border-bottom: 1px solid var(--color-border);
}
.mobile-nav-menu li a {
display: block;
padding: 16px 0;
font-size: var(--font-size-md);
font-weight: var(--font-weight-medium);
color: var(--color-text-primary);
text-decoration: none;
transition: color var(--transition-fast);
}
.mobile-nav-menu li a:hover {
color: var(--color-accent);
}
.mobile-nav-menu .sub-menu {
position: static;
opacity: 1;
visibility: visible;
transform: none;
background: none;
border: none;
box-shadow: none;
padding: 0 0 0 var(--spacing-lg);
min-width: unset;
}
.mobile-nav-menu .sub-menu li a {
font-size: var(--font-size-sm);
color: var(--color-text-secondary);
padding: 14px 0;
min-height: 44px;
display: flex;
align-items: center;
}
.mobile-menu-cta {
margin-top: var(--spacing-xl);
padding-top: var(--spacing-xl);
border-top: 1px solid var(--color-border);
}
.mobile-phone-btn {
width: 100%;
justify-content: center;
padding: 16px 24px;
font-size: var(--font-size-base);
} body {
padding-top: var(--header-height);
} .header-search-toggle {
display: flex;
align-items: center;
justify-content: center;
width: 40px;
height: 40px;
background: none;
border: none;
cursor: pointer;
color: var(--color-text-muted);
transition: color 0.2s;
padding: 0;
margin-right: 4px;
}
.header-search-toggle:hover,
.header-search-toggle:focus-visible {
color: var(--color-accent);
} .header-search-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1100;
background: rgba(0, 0, 0, 0.95);
padding: 0;
display: flex;
align-items: center;
justify-content: center;
height: 0;
overflow: hidden;
opacity: 0;
transition: height 0.3s ease, opacity 0.3s ease;
}
.header-search-overlay[aria-hidden="false"] {
height: 80px;
opacity: 1;
}
.header-search-inner {
display: flex;
align-items: center;
gap: 16px;
width: 100%;
max-width: 700px;
padding: 0 24px;
}
.header-search-form {
display: flex;
flex: 1;
align-items: center;
background: rgba(255, 255, 255, 0.1);
border: 1px solid rgba(255, 255, 255, 0.2);
border-radius: 0;
overflow: hidden;
}
.header-search-input {
flex: 1;
background: transparent;
border: none;
color: #fff;
font-family: var(--font-body);
font-size: var(--font-size-base);
padding: 12px 16px;
outline: none;
}
.header-search-input::placeholder {
color: rgba(255, 255, 255, 0.4);
}
.header-search-submit {
display: flex;
align-items: center;
justify-content: center;
background: var(--color-accent);
border: none;
color: #fff;
padding: 12px 16px;
cursor: pointer;
transition: background 0.2s;
}
.header-search-submit:hover {
background: var(--color-accent-hover);
}
.header-search-close {
background: none;
border: none;
color: rgba(255, 255, 255, 0.5);
font-size: 28px;
cursor: pointer;
padding: 0;
line-height: 1;
transition: color 0.2s;
}
.header-search-close:hover {
color: #fff;
}
@media (max-width: 1024px) {
.header-search-toggle {
order: -1;
}
}