* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url("bg.jpg") center/cover no-repeat;
    overflow: hidden;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
}

.shadow-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.85) 100%);
    z-index: 1;
}

.hero {
    position: relative;
    height: 100vh;
    padding-top: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}

.title {
    font-size: 100px;
    letter-spacing: 16px;
    font-weight: 700;
    background: linear-gradient(120deg, #555555 30%, #ffffff 45%, #ffffff 55%, #555555 70%);
    background-size: 300% auto;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    animation: fadeIn 2s ease-out forwards, shimmer 12s linear infinite;
    filter: none; 
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 300% center; }
}

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

.subtitle {
    font-size: 23px;
    letter-spacing: 8px;
    margin-top: 5px;
    font-weight: 500;
    text-transform: uppercase;
    color: rgba(255,255,255,0.8);
    text-shadow: 0 0 20px rgba(0,0,0,0.8);
}

.logo img {
    width: 390px;
    margin-top: 40px;
    filter: drop-shadow(0 0 50px rgba(255,255,255,0.2));
    animation: logoFloat 6s ease-in-out infinite;
}

.cards { display: flex; gap: 30px; margin-top: 80px; }

.card {
    width: 240px;
    height: 110px;
    border-radius: 15px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: 0.5s cubic-bezier(0.2, 1, 0.3, 1);
}

.card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.4);
    box-shadow: 0 0 40px rgba(255,255,255,0.1);
    transform: translateY(-5px) scale(1.02);
}

.card-title { font-size: 22px; font-weight: 700; letter-spacing: 4px; }
.card-sub { font-size: 11px; font-weight: 300; opacity: 0.6; margin-top: 8px; letter-spacing: 2px; }

.bottom-panel {
    position: fixed;
    bottom: 25px;
    left: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 30;
    pointer-events: auto;
}

.social-icons {
    display: flex;
    gap: 8px;
}

.social-btn {
    width: 38px; 
    height: 38px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    transition: 0.3s cubic-bezier(0.2, 1, 0.3, 1);
}

.social-btn i,
.social-btn svg {
    font-size: 16px;
    width: 16px;
    height: 16px;
    display: block;
}

.social-btn .fa-facebook-f {
    transform: translateX(2px); 
}

.social-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
}

.music-control {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    padding: 0 12px;
    height: 38px;
    gap: 12px;
    transition: 0.3s cubic-bezier(0.2, 1, 0.3, 1);
}

.music-control:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
}

.play-btn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

.play-btn svg {
    width: 12px;
    height: 12px;
}

.slider-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

#vol {
    appearance: none;
    -webkit-appearance: none;
    width: 60px;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
}

#vol::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: #fff;
    cursor: pointer;
    transition: 0.2s;
}

footer {
    position: fixed;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 11px;
    font-weight: 30;
    letter-spacing: 2px;
    opacity: 0.3;
    z-index: 3;
    pointer-events: none;
}

img {
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.particles-container { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.particle { position: absolute; background: #fff; border-radius: 50%; opacity: 0; animation: sparkle linear infinite; }
@keyframes sparkle { 0% { transform: translateY(0); opacity: 0; } 50% { opacity: 0.8; } 100% { transform: translateY(-100px); opacity: 0; } }
@keyframes logoFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
.fade { opacity: 0; transform: translateY(20px); animation: fadeIn 1.5s ease forwards; }