/**
 * Header & Fullscreen Menu Styles
 * 
 * @package Bargtunes
 */

/* Main Header - Fixed & Transparent over Hero */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 30px 50px;
    mix-blend-mode: normal;
    isolation: isolate;
    opacity: 0;
    transform: translateY(-20px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo - BG with Special Style */
.site-logo {
    z-index: 10001;
    position: relative;
}

.logo-link {
    text-decoration: none;
    display: inline-block;
}

.logo-text {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    font-family: 'Poppins', sans-serif;
    color: #ffffff;
    letter-spacing: 0.05em;
    position: relative;
    display: inline-block;
    text-transform: uppercase;
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.8), 
                 0 0 30px rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.2;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.logo-link:hover .logo-text {
    letter-spacing: 0.08em;
    text-shadow: 0 0 80px rgba(255, 255, 255, 1),
                 0 0 40px rgba(255, 255, 255, 0.8);
    transform: translateZ(0) scale(1.03);
}

/* Hamburger Menu Toggle */
.menu-toggle {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10001;
    position: relative;
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.menu-line {
    width: 22px;
    height: 2px;
    background: #ffffff;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3),
                inset 0 2px 0 rgba(255, 255, 255, 0.15);
}

.menu-toggle:hover .menu-line {
    width: 26px;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle.active .menu-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Fullscreen Menu */
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
    overflow: hidden;
}

.fullscreen-menu.active {
    pointer-events: auto;
}

/* Menu Background Panels - 4 Corners Animation */
.menu-bg-panels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.menu-panel {
    position: absolute;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    transform: scale(0);
    transform-origin: center;
}

.menu-panel-1 {
    top: 0;
    left: 0;
    width: 50%;
    height: 50%;
    transform-origin: top left;
}

.menu-panel-2 {
    top: 0;
    right: 0;
    width: 50%;
    height: 50%;
    transform-origin: top right;
}

.menu-panel-3 {
    bottom: 0;
    left: 0;
    width: 50%;
    height: 50%;
    transform-origin: bottom left;
}

.menu-panel-4 {
    bottom: 0;
    right: 0;
    width: 50%;
    height: 50%;
    transform-origin: bottom right;
}

/* Menu Content */
.menu-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 50px;
    opacity: 0;
    z-index: 2;
    padding: 40px 20px;
}

/* Menu Toggle When Open - Show Above Menu */
.fullscreen-menu.active ~ .main-header .menu-toggle {
    position: fixed;
    z-index: 10000;
}

/* Menu Items */
.menu-items {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    opacity: 0;
    transform: translateY(30px);
}

.menu-link {
    position: relative;
    text-decoration: none;
    display: inline-block;
    overflow: visible;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.menu-link:hover {
    background: rgba(255, 255, 255, 0.05);
}

.menu-link-text {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 300;
    font-family: 'Poppins', sans-serif;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: inline-block;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.menu-link-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.menu-link:hover .menu-link-text {
    color: #ffffff;
    letter-spacing: 0.16em;
    transform: translateX(4px);
}

.menu-link:hover .menu-link-text::after {
    width: 100%;
}

/* Menu Social Icons */
.menu-social {
    display: flex;
    gap: 20px;
    margin-top: 0;
    opacity: 0;
    transform: translateY(30px);
    flex-wrap: wrap;
    justify-content: center;
}

/* Fallback visibility when menu is active */
.fullscreen-menu.active .menu-social {
    opacity: 1;
    transform: translateY(0);
}

.menu-social-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.75);
    font-size: 22px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: visible;
    opacity: 1;
}

.menu-social-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.menu-social-icon:hover::before {
    opacity: 1;
}

.menu-social-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: -1;
}

.menu-social-icon:hover::after {
    opacity: 1;
    transform: scale(1.12);
}

.menu-social-icon:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    transform: translateY(-5px) scale(1.05);
}

.menu-social-icon i {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    font-style: normal;
}

.menu-social-icon i::before {
    display: inline-block;
    font-family: 'Phosphor' !important;
    font-style: normal;
    font-weight: 400;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Icon-specific colors for menu */
.menu-social-icon[aria-label="Instagram"]:hover {
    background: linear-gradient(135deg, rgba(225, 48, 108, 0.15) 0%, rgba(193, 53, 132, 0.15) 50%, rgba(131, 58, 180, 0.15) 100%);
    border-color: rgba(225, 48, 108, 0.5);
    color: #E1306C;
}

.menu-social-icon[aria-label="Spotify"]:hover {
    background: rgba(30, 215, 96, 0.15);
    border-color: rgba(30, 215, 96, 0.5);
    color: #1DB954;
}

.menu-social-icon[aria-label="YouTube"]:hover {
    background: rgba(255, 0, 0, 0.15);
    border-color: rgba(255, 0, 0, 0.5);
    color: #FF0000;
}

.menu-social-icon[aria-label="SoundCloud"]:hover {
    background: rgba(255, 85, 0, 0.15);
    border-color: rgba(255, 85, 0, 0.5);
    color: #FF5500;
}

/* ==========================================
   RESPONSIVE DESIGN - ULTRA ADVANCED
   ========================================== */

/* Large Desktop (1920px+) */
@media (min-width: 1920px) {
    .main-header {
        padding: 40px 60px;
    }
    
    .logo-text {
        font-size: clamp(40px, 5vw, 56px);
    }
    
    .menu-toggle {
        width: 55px;
        height: 55px;
    }
    
    .menu-link-text {
        font-size: clamp(2.2rem, 4vw, 3rem);
    }
    
    .menu-social-icon {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }
}

/* Desktop (1440px - 1919px) */
@media (min-width: 1440px) and (max-width: 1919px) {
    .main-header {
        padding: 35px 55px;
    }
    
    .logo-text {
        font-size: clamp(38px, 4.5vw, 52px);
    }
    
    .menu-link-text {
        font-size: clamp(2rem, 3.8vw, 2.8rem);
    }
    
    .menu-social-icon {
        width: 50px;
        height: 50px;
        font-size: 23px;
    }
}

/* Laptop (1024px - 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .main-header {
        padding: 30px 45px;
    }
    
    .logo-text {
        font-size: clamp(36px, 4.2vw, 46px);
    }
    
    .menu-link-text {
        font-size: clamp(1.9rem, 3.5vw, 2.6rem);
    }
    
    .menu-social-icon {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .main-header {
        padding: 25px 40px;
    }
    
    .logo-text {
        font-size: clamp(32px, 5vw, 42px);
    }
    
    .menu-toggle {
        width: 48px;
        height: 48px;
    }
    
    .menu-line {
        width: 20px;
    }
    
    .menu-link-text {
        font-size: clamp(1.7rem, 4vw, 2.4rem);
    }
    
    .menu-items {
        gap: 6px;
    }
    
    .menu-social {
        gap: 18px;
    }
    
    .menu-social-icon {
        width: 46px;
        height: 46px;
        font-size: 21px;
    }
}

/* Tablet Portrait (600px - 767px) */
@media (min-width: 600px) and (max-width: 767px) {
    .main-header {
        padding: 20px 35px;
    }
    
    .logo-text {
        font-size: clamp(28px, 5.5vw, 40px);
    }
    
    .menu-toggle {
        width: 46px;
        height: 46px;
    }
    
    .menu-link-text {
        font-size: clamp(1.6rem, 5vw, 2.2rem);
    }
    
    .menu-items {
        gap: 5px;
    }
    
    .menu-social {
        gap: 16px;
    }
    
    .menu-social-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
}

/* Mobile Landscape (480px - 599px) */
@media (min-width: 480px) and (max-width: 599px) {
    .main-header {
        padding: 18px 30px;
    }
    
    .logo-text {
        font-size: clamp(26px, 6vw, 38px);
    }
    
    .menu-toggle {
        width: 44px;
        height: 44px;
    }
    
    .menu-line {
        width: 19px;
        height: 1.5px;
    }
    
    .menu-link-text {
        font-size: clamp(1.5rem, 6vw, 2.1rem);
        letter-spacing: 0.1em;
    }
    
    .menu-items {
        gap: 4px;
    }
    
    .menu-social {
        gap: 14px;
    }
    
    .menu-social-icon {
        width: 42px;
        height: 42px;
        font-size: 19px;
    }
}

/* Mobile Portrait (max 479px) */
@media (max-width: 479px) {
    .main-header {
        padding: 16px 25px;
    }
    
    .logo-text {
        font-size: clamp(24px, 7vw, 34px);
    }
    
    .menu-toggle {
        width: 42px;
        height: 42px;
        gap: 5px;
    }
    
    .menu-line {
        width: 18px;
        height: 1.5px;
    }
    
    .menu-link {
        padding: 8px 16px;
    }
    
    .menu-link-text {
        font-size: clamp(1.4rem, 7vw, 2rem);
        letter-spacing: 0.1em;
    }
    
    .menu-items {
        gap: 4px;
    }
    
    .menu-social {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .menu-social-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

/* Extra Small Mobile (max 359px) */
@media (max-width: 359px) {
    .main-header {
        padding: 14px 20px;
    }
    
    .logo-text {
        font-size: clamp(22px, 8vw, 30px);
    }
    
    .menu-toggle {
        width: 40px;
        height: 40px;
    }
    
    .menu-line {
        width: 17px;
    }
    
    .menu-link-text {
        font-size: clamp(1.3rem, 8vw, 1.9rem);
    }
    
    .menu-items {
        gap: 3px;
    }
    
    .menu-social {
        gap: 10px;
    }
    
    .menu-social-icon {
        width: 38px;
        height: 38px;
        font-size: 17px;
    }
}

/* Landscape Orientation (all devices) */
@media (orientation: landscape) and (max-height: 650px) {
    .main-header {
        padding: 15px 30px;
    }
    
    .menu-link-text {
        font-size: clamp(1.4rem, 4.5vh, 2.2rem);
    }
    
    .menu-items {
        gap: 3px;
    }
    
    .menu-content {
        gap: 35px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .menu-toggle:active {
        transform: scale(0.92);
    }
    
    .logo-link:active .logo-text {
        transform: scale(0.96);
    }
    
    .menu-link:active .menu-link-text {
        transform: scale(0.96);
    }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    .menu-panel,
    .menu-content,
    .menu-item,
    .menu-social,
    .menu-social-icon {
        animation: none !important;
        transition: opacity 0.2s ease !important;
    }
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}