/* Base styles */
:root {
    --side-padding: 220px;
}

body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    font-family: 'Ubuntu', sans-serif;
    color: #ffffff;
}

body {
    background-image: url('images/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    min-width: 100vw;
}

a {
    color: #0078D7;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Fullscreen video background */
.fullscreen-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.fullscreen-bg__video {
    width: 105%;
    height: 105%;
    object-fit: cover;
    filter: blur(15px) brightness(0.8);
    position: absolute;
    top: -2.5%;
    left: -2.5%;
}

.fullscreen-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/Noise.png');
    background-size: 50%;
    background-repeat: repeat;
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
}

/* Header styles */
.header-box {
    display: flex;
    justify-content: center;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.87);
    border-bottom: 2px solid rgba(255, 255, 255, 0.543);
    backdrop-filter: blur(30px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 20px 40px;
    box-sizing: border-box;
}

.logo {
    display: flex;
    align-items: center;
    user-select: none;
}

.logo img {
    height: 60px;
    width: auto;
    margin-right: 15px;
}

.site-name {
    font-size: 1.5em;
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    align-items: center;
}

.custom-button {
    text-transform: uppercase;
    font-weight: 500;
    font-size: 1em;
    margin: 0 10px;
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
    color: white;
    outline: none;
    font-family: 'Ubuntu', sans-serif;
    user-select: none;
}

.custom-button:hover, .custom-button.active-button {
    color: #DD4814;
}

/* Dynamic content container */
#dynamicContent {
    width: 100%;
    padding: 100px 0 40px 0;
    box-sizing: border-box;
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
    opacity: 0;
    transform: translateY(20px);
}

#dynamicContent.active {
    opacity: 1;
    transform: translateY(0);
}

/* Content styles */
.content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    position: relative;
    z-index: 10;
    text-align: center;
}

.about-content, .projects-content {
    font-size: 18px;
    text-align: justify;
    padding: 0 20px;
}

h1 {
    font-size: 28px;
    margin-bottom: 20px;
    user-select: none;
}

/* Card styles */
.card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    margin-top: 20px;
}

.card {
    width: 300px;
    transition: all 0.6s cubic-bezier(0, 0.73, 0.25, 1);
    user-select: none;
    position: relative; /* Добавлено для позиционирования частиц */
}

.card:hover {
    transform: scale(1.05) rotate(1deg);
}

.card-content {
    display: inline-block;
}

.card a {
    text-decoration: none;
    color: rgb(255, 255, 255);
    display: block;
    user-select: none;
}

.three-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1; /* Размещаем за карточкой */
}

.fullscreen-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/images/Noise.png');
    background-size: 20%; /* уменьшает изображение до 50% от оригинального размера */
    background-repeat: repeat; /* тайлинг */
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
}

.card a img {
    width: 100%;
    display: block;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.24);
    user-select: none;
}

.title {
    text-align: center;
    padding: 8px 0;
    font-size: 1.1em;
}

/* Контейнер для частиц */
.particle-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    overflow: visible;
    pointer-events: none;
    z-index: 1;
}

/* Стили для частиц */
.particle {
    position: absolute;
    width: 24px; /* Размер частицы */
    height: 24px;
    background-size: contain;
    background-repeat: no-repeat;
    will-change: transform, opacity;
}


/* Анимация падения */
@keyframes fall {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(100px) scale(0.5);
        opacity: 0;
    }
}

/* Styles for "LINKS" page */
.link-card-container {
    display: flex;
    flex-direction: column;
    gap: 1px;
    max-width: 800px;
    margin: 15px auto 0 auto;
}

.link-card {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    transition: transform 0.2s ease, border 0.2s ease;
    cursor: pointer;
}

.link-card:hover {
    transform: scale(1.02);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.link-icon {
    width: 50px;
    height: 50px;
    margin-right: 20px;
    transition: transform 0.3s ease;
}

.link-card:hover .link-icon {
    transform: rotate(15deg);
}

.link-description {
    font-size: 1.1em;
    color: white;
    text-align: left;
    flex-grow: 1;
}

/* Make the entire card clickable */
.link-card a {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

/* Responsive styles */
@media (max-width: 1024px) {
    :root {
        --side-padding: 50px;
    }

    .header-content {
        padding: 15px 30px;
    }

    .logo img {
        height: 50px;
    }

    .site-name {
        font-size: 1.2em;
    }

    .custom-button {
        font-size: 0.9em;
        margin: 0 8px;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 15px 20px;
    }

    .logo img {
        height: 40px;
    }

    .site-name {
        font-size: 1em;
    }

    .custom-button {
        font-size: 0.9em;
        margin: 0 5px;
    }

    .content {
        padding: 0 15px;
    }

    .about-content, .projects-content {
        font-size: 16px;
    }

    h1 {
        font-size: 24px;
    }

    .card {
        width: 80%;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 10px 15px;
    }

    .logo img {
        height: 35px;
    }

    .site-name {
        font-size: 0.9em;
    }

    .custom-button {
        font-size: 0.8em;
        margin: 0 3px;
    }

    .content {
        padding: 0 10px;
    }

    .about-content, .projects-content {
        font-size: 14px;
    }

    h1 {
        font-size: 20px;
    }
}