/* CIZEXPO Header Styles */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-fast);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    height: 70px;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-white);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-toggle {
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
    cursor: pointer;
    padding: 4px 8px;
    transition: color var(--transition-fast);
}

.lang-toggle:hover,
.lang-toggle.active {
    color: var(--color-accent);
}

.lang-divider {
    color: rgba(255,255,255,0.5);
}

.header-demand-btn {
    background: linear-gradient(135deg, var(--color-accent) 0%, #e67e22 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: none;
}

.header-demand-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    cursor: pointer;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: white;
    position: absolute;
    left: 4px;
    transition: all var(--transition-fast);
}

.hamburger {
    top: 15px;
}

.hamburger::before {
    content: '';
    top: -8px;
}

.hamburger::after {
    content: '';
    top: 8px;
}