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

@font-face {
    font-family: 'Instrument Serif';
    src: url('../fonts/InstrumentSerif-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body,
html {
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
    background-color: #000;
}

/* Fullscreen Video Styling */
#bg-video,
#bg-video-mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: cover;
    filter: brightness(0.6);
    /* Makes links easier to read */
}

.mobile-video {
    display: none;
}

/* 3D Canvas Container */
#logo-container {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 150px;
    z-index: 10;
    pointer-events: none;
    /* Allows clicking through to links */
}

/* Centered Links */
.content-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    gap: 40px;
    z-index: 10;
    transition: all 0.4s ease;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .desktop-video {
        display: none;
    }

    .mobile-video {
        display: block;
    }

    .content-overlay {
        flex-direction: column;
        gap: 20px;
        width: 90%;
    }

    .nav-link {
        font-size: 1.5rem;
        padding: 14px 20px;
        letter-spacing: 1px;
    }

    #logo-container {
        height: 100px;
        top: 10px;
    }
}

.nav-link {
    color: white;
    text-decoration: none;
    font-family: 'Instrument Serif', serif;
    font-size: 1.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 16px 48px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden; /* Fixed: Must be hidden for background transitions */
    display: inline-block;
}

.nav-link:hover {
    color: black;
    border-color: white;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Split Shutter Reveal */
.nav-link::before,
.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: calc(50% + 1px); /* Added 1px to prevent sub-pixel gap */
    background: white;
    z-index: -1;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.nav-link::before {
    top: 0;
    left: 0;
    transform: translateX(-100%);
}

.nav-link::after {
    bottom: 0;
    left: 0;
    transform: translateX(100%);
}

.nav-link:hover::before,
.nav-link:hover::after {
    transform: translateX(0);
}