/* Navigation */

.site-header {
    position: fixed;
    top: 30px;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 22, 40, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 40px;
    height: auto;
}

/* Logo - CSS text logo, customizable from Customizer */
.site-branding {
    flex-shrink: 0;
    margin: 0 48px;
    position: relative;
}

.site-branding::before,
.site-branding::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(160, 206, 78, 0.4));
}

.site-branding::before {
    right: calc(100% + 16px);
    background: linear-gradient(90deg, transparent, rgba(160, 206, 78, 0.4));
}

.site-branding::after {
    left: calc(100% + 16px);
    background: linear-gradient(270deg, transparent, rgba(160, 206, 78, 0.4));
}

.site-branding img {
    max-height: 50px;
    width: auto;
}

.site-logo {
    display: flex;
    align-items: baseline;
    text-decoration: none;
    gap: 6px;
    padding: 8px 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.logo-accent {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-lime);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 20px rgba(160, 206, 78, 0.3);
}

.site-logo:hover .logo-text,
.site-logo:focus .logo-text {
    color: var(--color-accent-lime);
}

.site-logo:hover .logo-accent,
.site-logo:focus .logo-accent {
    color: var(--color-white);
    text-shadow: none;
}

/* Navigation - left and right of logo */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav--left {
    margin-right: auto;
}

.main-nav--right {
    margin-left: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    display: block;
    padding: 10px 18px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: var(--font-weight-regular);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    border-radius: 4px;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--color-accent-lime);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-menu li a:hover::after,
.nav-menu li a:focus::after,
.nav-menu li.current-menu-item a::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu li a:hover,
.nav-menu li a:focus,
.nav-menu li.current-menu-item a {
    color: var(--color-white);
}

.nav-menu li.has-submenu > a::after {
    content: '';
    position: static;
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    vertical-align: middle;
    background: none;
    transform: none;
}

/* Megamenu */
.megamenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(160, 206, 78, 0.1);
    border-top: 2px solid var(--color-accent-lime);
    border-radius: 0 0 8px 8px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.nav-menu li.has-submenu:hover .megamenu,
.nav-menu li.has-submenu:focus-within .megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.megamenu .sub-menu {
    list-style: none;
}

.megamenu .sub-menu li a {
    padding: 10px 24px;
    font-size: 0.8125rem;
    text-transform: none;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.7);
}

.megamenu .sub-menu li a::after {
    display: none;
}

.megamenu .sub-menu li a:hover {
    background: rgba(160, 206, 78, 0.08);
    color: var(--color-accent-lime);
}

/* Header phone button */
.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 24px;
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-lime);
    text-decoration: none;
    letter-spacing: 0.5px;
    border: 1px solid rgba(160, 206, 78, 0.4);
    border-radius: 50px;
    transition: all 0.3s ease;
    background: rgba(160, 206, 78, 0.05);
}

.header-phone:hover {
    background: var(--color-accent-lime);
    color: var(--color-dark-bg);
    border-color: var(--color-accent-lime);
    box-shadow: 0 0 20px rgba(160, 206, 78, 0.3);
}

.header-phone svg {
    width: 16px;
    height: 16px;
}

/* Mobile toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
    transition: all 0.3s ease;
}

.mobile-toggle:hover {
    border-color: var(--color-accent-lime);
    background: rgba(160, 206, 78, 0.05);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-open .mobile-toggle {
    border-color: var(--color-accent-lime);
}

.menu-open .mobile-toggle .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .mobile-toggle .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-open .mobile-toggle .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
}

.menu-open .mobile-menu-overlay {
    display: block;
}

/* Sticky header - scrolled state (snaps to top as always-on bar) */
.header-scrolled {
    top: 0;
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-bottom-color: rgba(160, 206, 78, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.header-scrolled .nav-container {
    padding-top: 10px;
    padding-bottom: 10px;
}

.header-scrolled .logo-text,
.header-scrolled .logo-accent {
    font-size: 1.4rem;
}