* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: transparent;
    color: white;
    text-align: center;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('./images/background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

header, nav, main {
    position: relative;
    z-index: 1;
}

header {
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-link {
    display: inline-block;
    margin-bottom: 10px;
}

.header-logo {
    height: 150px;
    width: auto;
    display: block;
}


nav {
    margin: 20px 0;
}

nav ul {
    list-style: none;
    padding: 15px 30px;
    margin: 0;
    display: inline-block;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: 700;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    border-bottom-color: white;
}

main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0 20px;
}

main.content-loading .slider,
main.content-loading .page-description {
    opacity: 0;
}

.slider-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    width: 100%;
    max-width: 1000px;
    min-height: 350px;
    visibility: visible;
    transition: visibility 0.1s;
}

.slider {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease-in-out;
}

.slider img {
    width: 200px;
    height: 290px;
    margin: 0 10px;
    object-fit: cover;
    flex-shrink: 0;
    user-select: none;
    transform: scale(0.8);
    opacity: 1;
    cursor: pointer;
}

.slider img.active {
    cursor: default;
}

.slider img.prev,
.slider img.next {
    transform: scale(0.9);
}

.page-description {
    font-size: 1.2rem;
    margin: 20px 0 0 0;
    max-width: 800px;
    line-height: 1.6;
    min-height: 50px;
    transition: opacity 0.3s ease-in-out;
}

.card-button {
    display: inline-block;
    background-color: #eee;
    color: #1c1c1c;
    padding: 12px 24px;
    margin-top: 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s;
}

.card-button:hover:not(.disabled) {
    transform: scale(1.05);
}

.card-button.disabled {
    background-color: #888;
    color: #ccc;
    cursor: not-allowed;
    pointer-events: none;
}

.card-button.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
}

@media (max-width: 768px) {
    .slider-container {
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .slider-container::-webkit-scrollbar {
        display: none;
    }
    .slider {
        justify-content: flex-start;
        padding: 0 20px;
    }
    .slider img {
        width: 180px;
        height: 260px;
    }
    .page-description {
        font-size: 1.1rem;
        max-width: 600px;
    }
    .header-logo {
        height: 125px;
    }
}

@media (max-width: 480px) {
    nav ul {
        padding: 15px 10px;
    }
    nav ul li {
        display: block;
        margin: 10px 0;
    }
    .slider img {
        width: 200px;
        height: 290px;
    }
    .page-description {
        font-size: 1rem;
    }
    .header-logo {
        height: 100px;
    }
}