/* YXWLED Header — V4 exact match */

.yxw-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: var(--header-bg);
    border-bottom: 1px solid rgba(0, 102, 255, 0.2);
    transition: all var(--transition);
}

.yxw-header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 50px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.header-logo {
    font-size: 26px;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-text {
    color: #ffffff;
}

.logo-accent {
    color: var(--accent);
}

/* Desktop Navigation */
.desktop-nav {
    flex: 1;
    margin: 0 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    margin: 0;
    padding: 0;
    justify-content: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--accent);
    background: rgba(0, 102, 255, 0.1);
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform var(--transition);
    display: inline-block;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--dropdown-bg);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: var(--radius-md);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content {
    display: flex;
    flex-direction: column;
}

.dropdown-item {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 24px;
    font-size: 14px;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    display: block;
}

.dropdown-item:hover {
    color: var(--accent);
    background: rgba(0, 102, 255, 0.1);
    border-left-color: var(--accent);
    padding-left: 28px;
}

/* CTA Button */
.header-cta {
    background: var(--accent);
    color: #ffffff;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.header-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
    color: #ffffff;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 10001;
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background: #ffffff;
    transition: all var(--transition);
    display: block;
}

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

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

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

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0a1628 0%, #1a2744 100%);
    padding: 20px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 9999;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #ffffff;
    text-decoration: none;
    padding: 18px 0;
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submenu-arrow {
    font-size: 12px;
    transition: transform var(--transition);
}

.mobile-item.active .submenu-arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding: 0 0 15px 20px;
    margin: 0;
    display: none;
}

.mobile-item.active .submenu {
    display: block;
}

.submenu li {
    margin: 10px 0;
}

.submenu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.submenu a:hover {
    color: var(--accent);
}

.mobile-cta {
    border-bottom: none;
    padding-top: 20px;
}

.mobile-cta-btn {
    display: block;
    background: var(--accent);
    color: #ffffff;
    text-align: center;
    padding: 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
}

/* Responsive */
@media (max-width: 1200px) {
    .header-container {
        padding: 0 30px;
    }
    .desktop-nav {
        margin: 0 20px;
    }
    .nav-link {
        padding: 10px 12px;
        font-size: 13px;
    }
}

@media (max-width: 1024px) {
    .desktop-nav,
    .header-cta {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .mobile-nav {
        display: block;
    }
    .header-container {
        height: 70px;
    }
    :root {
        --header-height: 70px;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    .header-logo {
        font-size: 22px;
    }
}