/* === ANCIENT GATE STYLES === */
.gate-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 10000;
    background: var(--bg-primary);
    opacity: 1;
    visibility: visible;
    contain: strict;
    will-change: opacity;
}

.gate-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.gate-left, .gate-right {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, var(--bg-card), var(--bg-secondary));
    border: 4px solid var(--accent-earth);
    box-shadow: 
        inset 0 0 30px rgba(157, 108, 52, 0.2),
        0 0 50px rgba(157, 108, 52, 0.3);
    transition: transform 1.5s cubic-bezier(0.77, 0, 0.175, 1);
    pointer-events: all;
    will-change: transform, box-shadow;
    transform: translateZ(0);
}

@media (prefers-reduced-motion: reduce) {
    .gate-left, .gate-right {
        animation: none !important;
        transition: opacity 0.3s ease !important;
    }
    
    .gate-pulse,
    .symbol-pulse,
    .symbol-rotate {
        animation: none !important;
    }
}

/* ENHANCEMENT: Pseudo-element untuk efek energi/rune di tepi gerbang */
.gate-left::before, .gate-right::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(76, 201, 240, 0.1) 0%, transparent 70%);
    animation: gateDetailFlow 10s linear infinite;
    z-index: 10001;
    pointer-events: none;
}

.gate-left::before {
    left: 0;
    transform: translateX(0%);
}
.gate-right::after {
    right: 0;
    transform: translateX(0%);
}

.gate-left {
    left: 0;
    border-right: 2px solid var(--accent-fire);
    transform-origin: left center;
}

.gate-right {
    right: 0;
    border-left: 2px solid var(--accent-fire);
    transform-origin: right center;
}

.gate-left.open {
    transform: rotateY(-90deg);
}

.gate-right.open {
    transform: rotateY(90deg);
}

/* Gate Details */
.gate-detail {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 10px;
    background: var(--accent-fire);
    box-shadow: 0 0 10px var(--accent-fire);
}

.gate-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10001;
    text-align: center;
}

.gate-symbol {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-light) 0%, var(--accent-primary) 30%, transparent 70%);
    box-shadow: 0 0 40px var(--accent-primary);
    margin: 0 auto 20px;
    /* ENHANCEMENT: Tambah rotasi halus */
    animation: symbolPulse 3s infinite, symbolRotate 12s linear infinite; 
    transition: opacity 0.5s ease, transform 0.5s ease;
    z-index: 10002; /* Pastikan di atas pseudo-element */
}

/* FIX: Pastikan simbol gate ikut memudar saat overlay fade out */
.gate-overlay.fade-out .gate-symbol {
    opacity: 0;
    transition: opacity 0.5s ease;
}

@keyframes gatePulse {
    0%, 100% { 
        box-shadow: 
            inset 0 0 30px rgba(157, 108, 52, 0.2), 
            0 0 50px rgba(157, 108, 52, 0.3); 
    }
    50% { 
        box-shadow: 
            inset 0 0 40px rgba(157, 108, 52, 0.3), 
            0 0 70px rgba(157, 108, 52, 0.5); 
    }
}

@keyframes symbolPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* ENHANCEMENT: Rotasi Simbol */
@keyframes symbolRotate {
    to {
        transform: rotate(360deg);
    }
}

/* ENHANCEMENT: Efek Aliran Energi */
@keyframes gateDetailFlow {
    0% {
        transform: translateY(0) scaleY(1);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-20px) scaleY(1.1);
        opacity: 0.9;
    }
    100% {
        transform: translateY(0) scaleY(1);
        opacity: 0.8;
    }
}


.embark-btn {
    padding: 1.2rem 3rem;
    font-size: 1.3rem;
    background: linear-gradient(45deg, var(--accent-fire), var(--accent-water));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: none;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    pointer-events: all !important;
    box-shadow: 
        0 0 30px rgba(255, 140, 0, 0.5),
        0 10px 40px rgba(0, 0, 0, 0.4);
}

.embark-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 
        0 0 50px rgba(76, 201, 240, 0.7),
        0 15px 50px rgba(0, 0, 0, 0.5);
    letter-spacing: 3px;
}

.embark-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.7s ease;
}

.embark-btn:hover::before {
    left: 100%;
}

.gate-instruction {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.9rem;
}

/* === ELEMENTAL CONVERGENCE STYLES === */
.elemental-convergence {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 9999;
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    transition: opacity 0.8s ease;
    contain: strict;
    will-change: opacity;
}


.elemental-convergence.active {
    opacity: 1;
    pointer-events: all;
    /* ENHANCEMENT: Container convergence memiliki aura */
    box-shadow: 0 0 100px rgba(76, 201, 240, 0.5);
}

.element-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
}

.element {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.1);
    will-change: transform, opacity;
}

/* ENHANCEMENT: Efek getar/melayang pada elemen */
.element#elementFire {
    top: 0;
    left: 0;
    background: radial-gradient(circle, #ff6600 0%, #ff8c00 50%, transparent 70%);
    box-shadow: 0 0 20px #ff8c00;
    animation: elementHover 1.5s infinite alternate ease-in-out;
}
.element#elementWater {
    top: 0;
    right: 0;
    background: radial-gradient(circle, #00bfff 0%, #4cc9f0 50%, transparent 70%);
    box-shadow: 0 0 20px #4cc9f0;
    animation: elementHover 1.8s infinite alternate-reverse ease-in-out;
}
.element#elementWind {
    bottom: 0;
    left: 0;
    background: radial-gradient(circle, #a2e2ff 0%, #90e0ef 50%, transparent 70%);
    box-shadow: 0 0 20px #90e0ef;
    animation: elementHover 2s infinite alternate ease-in-out 0.2s;
}
.element#elementEarth {
    bottom: 0;
    right: 0;
    background: radial-gradient(circle, #a0522d 0%, #9d6c34 50%, transparent 70%);
    box-shadow: 0 0 20px #9d6c34;
    animation: elementHover 2.2s infinite alternate-reverse ease-in-out;
}

.convergence-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-light);
    opacity: 0;
    /* ENHANCEMENT: Beri glow yang kuat agar terlihat seperti inti energi */
    box-shadow: 0 0 20px 10px var(--accent-light), 0 0 50px 20px var(--accent-primary);
    animation: centerGlow 2s infinite alternate;
}

/* Keyframes untuk Efek Melayang/Bergetar */
@keyframes elementHover {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(3px, 5px) scale(1.03);
    }
}

/* Keyframes untuk Cahaya Inti */
@keyframes centerGlow {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    to {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.9;
    }
}

@keyframes elementPulse {
    0% { transform: scale(1); box-shadow: 0 0 10px currentColor; }
    50% { transform: scale(1.2); box-shadow: 0 0 30px currentColor; }
    100% { transform: scale(1); box-shadow: 0 0 10px currentColor; }
}

.element.pulse {
    animation: elementPulse 1s ease infinite;
}

.convergence-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Cinzel', serif;
    font-size: 3rem;
    color: var(--text-primary);
    opacity: 0;
    text-shadow: 0 0 10px var(--accent-primary);
    text-align: center;
    white-space: nowrap;
    z-index: 10;
}

/* === RESPONSIVE GATE ANIMATIONS === */
@media (max-width: 768px) {
    .gate-left::before,
    .gate-right::after {
        display: none;
    }
    
    .gate-symbol {
        animation: symbolPulse 3s infinite;
    }
    
    @keyframes symbolPulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.05); }
    }
    
    .embark-btn {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
    
    .element {
        width: 70px;
        height: 70px;
    }
    
    .convergence-text {
        font-size: 2rem;
        white-space: normal;
        width: 90%;
    }
}

@media (max-width: 480px) {
    .gate-symbol {
        width: 60px;
        height: 60px;
    }
    
    .embark-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .element {
        width: 50px;
        height: 50px;
    }
    
    .convergence-text {
        font-size: 1.5rem;
    }
}

/* === SKIP BUTTON FOR RETURNING VISITORS === */
.skip-btn {
    position: fixed !important;
    bottom: 2rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    background: rgba(0, 0, 0, 0.7) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--text-muted) !important;
    padding: 0.6rem 1.2rem !important;
    border-radius: var(--border-radius) !important;
    cursor: pointer !important;
    font-size: 0.9rem !important;
    transition: all 0.3s ease !important;
    backdrop-filter: blur(10px) !important;
    z-index: 10002 !important;
    pointer-events: all !important;
    font-family: inherit !important;
}

.skip-btn:hover {
    background: rgba(76, 201, 240, 0.3) !important;
    color: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
    transform: translateX(-50%) translateY(-2px) !important;
}

/* === FIX INITIAL FLASH === */
/* Style ini tetap berguna untuk tampilan awal sebelum JS berjalan */
.gate-overlay {
    visibility: hidden;
    opacity: 0;
}

.gate-overlay.visible {
    visibility: visible;
    opacity: 1;
}

.main-content {
    visibility: hidden;
}

@media (max-width: 768px) {
    .gate-cursor {
        display: none !important;
    }
    
    .skip-btn {
        cursor: pointer !important;
    }
    
    .embark-btn {
        cursor: pointer !important;
    }
}