header .bg-header{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



html{
    scroll-behavior: smooth;
}
body {
   
    
    font-family: 'Xolonium', sans-serif;
    background: #000;
    color: white;

    
    
}


.bg-header {
    height: 100vh;
    overflow-x: hidden;
    background-image: url('../images/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    scroll-snap-align: start; 
    
}

header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1.5rem;
}

.top-bar {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.logo img {
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.menu-btn {
    width: 40px;
    height: 40px;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 20px;
}

.menu-btn__burger {
    width: 32px;
    height: 2px;
    background: white;
    position: absolute;
    transition: all 0.3s ease-in-out;
}

.menu-btn__burger::before,
.menu-btn__burger::after {
    content: '';
    position: absolute;
    width: 32px;
    height: 2px;
    background: white;
    transition: all 0.3s ease-in-out;
}

.menu-btn__burger::before {
    transform: translateY(-10px);
}

.menu-btn__burger::after {
    transform: translateY(10px);
}

.menu-btn.open .menu-btn__burger {
    background: transparent;
}

.menu-btn.open .menu-btn__burger::before {
    transform: rotate(45deg);
}

.menu-btn.open .menu-btn__burger::after {
    transform: rotate(-45deg);
}

.nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding-top: 120px;
    transition: right 0.3s ease-in-out;
    z-index: 999;
}

.nav.active {
    right: 0;
}

.nav-list {
    list-style: none;
}

.nav-list li {
    padding: 1.5rem 2rem;
}

.nav-list li a {
    color: white;
    text-decoration: none;
    font-size: 1.4rem;
    transition: color 0.3s ease;
    letter-spacing: 1px;
}

.nav-list li a:hover {
    color: #9370DB;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.main-text {
    font-size: 5rem;
    margin-top: 25vh;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    letter-spacing: 4px;
    position: relative;
    z-index: 2;
}

.mission-section {
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 2;
}

.arrow-down {
    position: absolute;
    bottom: 2vh;
    width: 40px;
    height: 40px;
    animation: bounce 2s infinite;
    filter: invert(1);
    z-index: 3;
}

@keyframes bounce {
    0%, 100% { 
        transform: translateY(0);
        opacity: 0.8;
    }
    50% { 
        transform: translateY(-20px);
        opacity: 1;
    }
}

.arch {
    position: absolute;
    width: 60vw;
    height: auto;
    max-width: 760px;
    max-height: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.auto {
    position: absolute;
    bottom: 18vh;
    font-size: 2.5rem;
    z-index: 2;
    left: 50%;
    transform: translateX(-50%);
}