/* ============================================
   VAI DE BET - HEADER CSS
   Style: 豪华金色赌场 (Luxury Gold Casino)
   ============================================ */

/* ============================================
   HEADER CONTAINER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    max-width: var(--container-max);
    margin: 0 auto;
}

/* ============================================
   LOGO
   ============================================ */
.header-logo {
    display: flex;
    align-items: center;
}

.header-logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.header-logo img {
    height: 40px;
    width: auto;
    transition: transform var(--transition-normal);
}

.header-logo:hover img {
    transform: scale(1.05);
}

.header-logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.header-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link {
    position: relative;
    padding: 10px 16px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link.active {
    color: var(--color-primary);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-bg-secondary);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    padding: 10px 0;
}

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

.nav-dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
    padding-left: 25px;
}

/* ============================================
   CTA BUTTONS
   ============================================ */
.header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    padding: 10px 20px;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.header-btn-login {
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    background: transparent;
}

.header-btn-login:hover {
    background: rgba(255, 215, 0, 0.1);
    color: var(--color-primary);
}

.header-btn-register {
    background: var(--gradient-gold);
    color: #000000;
    box-shadow: var(--shadow-button);
}

.header-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
    color: #000000;
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    border-color: var(--color-primary);
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    margin: 3px 0;
    transition: all var(--transition-normal);
}

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

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    overflow-y: auto;
    z-index: 999;
}

.mobile-nav.active {
    display: block;
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 30px;
}

.mobile-nav-link {
    display: block;
    padding: 15px 20px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

.mobile-nav-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-nav-cta .header-btn {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .header-nav {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 12px 15px;
    }

    .header-logo img {
        height: 35px;
    }

    .header-logo-text {
        font-size: 1.2rem;
    }
}

/* ============================================
   HEADER SPACING FOR CONTENT
   ============================================ */
body {
    padding-top: 70px;
}

@media (max-width: 480px) {
    body {
        padding-top: 60px;
    }
}