/* --- СБРОС И БАЗОВЫЕ СТИЛИ --- */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: #000000;
            color: #ffffff;
            font-family: 'Merriweather', Georgia, serif;
            line-height: 1.75;
            overflow-x: hidden;
            font-size: 19px;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 90px 0;
        }

        /* --- НАВИГАЦИЯ --- */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-20px);
            transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
        }
		
		.lang-switcher {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 20px;
            padding: 3px;
            backdrop-filter: blur(8px);
            margin-left: 15px;
        }

        .lang-btn {
            background: transparent;
            border: none;
            color: #ffffff;
            padding: 5px 12px;
            font-size: 13px;
            font-weight: 700;
            font-family: 'Montserrat', sans-serif;
            cursor: pointer;
            border-radius: 15px;
            transition: all 0.3s ease;
            outline: none;
        }

        .lang-btn:hover {
            opacity: 0.8;
        }

        .lang-btn.active {
            background: #ffffff;
            color: #000000;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .navbar.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            padding: 20px 0;
            flex-wrap: wrap;
        }

        .nav-link {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s;
        }

        .nav-link:hover {
            color: #aaaaaa;
        }

        /* --- СЕКЦИЯ 1: ОБО МНЕ --- */
        #about {
            padding-top: 140px;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 80px 1fr 400px;
            gap: 40px;
            align-items: center;
        }

        .vertical-title {
            writing-mode: vertical-rl;
            transform: rotate(180deg);
            font-family: 'Montserrat', sans-serif;
            font-size: 64px;
            font-weight: 900;
            text-transform: uppercase;
            white-space: nowrap;
            letter-spacing: 2px;
        }

        .about-text {
            display: flex;
            flex-direction: column;
            gap: 24px;
            font-size: 20px;
        }

        .about-text strong {
            font-weight: 700;
            color: #ffffff;
        }

        .about-photo-wrapper {
            width: 100%;
            aspect-ratio: 4 / 5;
            background-color: #1a1a1a;
            border: 2px solid #ffffff;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .about-photo-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* --- СЕКЦИЯ 2: ОБРАЗОВАНИЕ & СКИЛЛЫ --- */
        .section-main-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 52px;
            font-weight: 900;
            text-align: center;
            margin-bottom: 60px;
            text-transform: uppercase;
            color: #ffffff;
        }

        .education-subtitle {
            font-family: 'Montserrat', sans-serif;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 40px;
            color: #ffffff;
        }

        .education-timeline {
            position: relative;
            margin-bottom: 60px;
        }

		.edu-line {
			width: 100%;
			height: 2px;
			background-color: #ffffff;
			position: absolute;
			top: 43px; 
			left: 0;
			z-index: 1;
		}

        .edu-nodes {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
        }

		.edu-node {
			display: flex;
			flex-direction: column;
			align-items: center;
			max-width: 360px;
			text-align: center;
			font-size: 19px;
			cursor: default;
		}
		
		.edu-text {
			display: inline-block;
			transition: transform 0.3s ease;
		}
		
		.edu-node:hover .edu-text {
			transform: scale(1.08);
		}

		.edu-year {
			font-family: 'Montserrat', sans-serif;
			font-weight: 700;
			font-size: 20px;
			color: #ffffff;
			margin-bottom: 12px;
			line-height: 1;
		}

        .square-icon {
            width: 24px;
            height: 24px;
            background-color: #ffffff;
            margin-bottom: 20px;
        }

        /* --- BENTO SKILLS GRID --- */
        .bento-container-white {
            background-color: #ffffff;
            padding: 28px;
            font-family: 'Montserrat', sans-serif;
            max-width: 1100px;
            margin: 0 auto;
            box-sizing: border-box;
            color: #000000;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 24px;
        }

        .bento-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .black-card {
            background-color: #000000;
            color: #ffffff;
            box-sizing: border-box;
        }

        .unity-card {
            display: flex;
            align-items: center;
            padding: 28px 36px;
            gap: 48px;
        }

        .unity-brand {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .unity-logo {
            width: 120px;
            height: 80px;
        }

        .unity-text {
            font-size: 28px;
            font-weight: 700;
            margin-top: 6px;
        }

        .white-dot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .white-dot-list li {
            font-size: 20px;
            font-weight: 400;
            color: #ffffff;
            display: flex;
            align-items: center;
        }

        .white-dot-list li::before {
            content: "•";
            font-size: 24px;
            margin-right: 12px;
            line-height: 1;
            color: #ffffff;
        }

        .csharp-row {
            display: grid;
            grid-template-columns: 210px 1fr;
            gap: 28px;
            align-items: center;
        }

        .csharp-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 24px 10px;
            text-align: center;
        }

        .csharp-title {
            font-size: 56px;
            font-weight: 900;
            line-height: 1;
        }

        .csharp-subtitle {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 8px;
        }

        .black-square-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .black-square-list li {
            font-size: 19px;
            font-weight: 400;
            color: #000000;
            display: flex;
            align-items: center;
        }

        .black-square-list li::before {
            content: "";
            display: inline-block;
            width: 13px;
            height: 13px;
            background-color: #000000;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .bottom-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .white-solid-card {
            background-color: #ffffff;
            border: 2px solid #000000;
            color: #000000;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .solid-title {
            font-size: 26px;
            font-weight: 900;
            letter-spacing: 1.5px;
            margin: 0;
            color: #000000;
        }

        .solid-desc {
            font-size: 16px;
            font-weight: 400;
            margin-top: 6px;
            line-height: 1.35;
            color: #000000;
        }

        .personal-qualities-card {
            padding: 40px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .qualities-timeline {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 36px;
            padding-left: 20px;
        }

        .timeline-line {
            position: absolute;
            left: 27px;
            top: -10px;
            bottom: -10px;
            width: 3px;
            background-color: #ffffff;
            z-index: 1;
        }

        .quality-node {
            display: flex;
            align-items: center;
            gap: 20px;
            z-index: 2;
            position: relative;
        }

        .node-square {
            width: 16px;
            height: 16px;
            background-color: #ffffff;
            flex-shrink: 0;
        }

        .quality-text {
            font-size: 22px;
            font-weight: 400;
            color: #ffffff;
        }

        .vertical-header {
            writing-mode: vertical-rl;
            font-size: 38px;
            font-weight: 900;
            color: #ffffff;
            white-space: nowrap;
            user-select: none;
        }

        /* --- СЕКЦИЯ 3: ПРОЕКТЫ (ОБНОВЛЕННЫЙ ФОРМАТ КАРТОЧЕК) --- */
		.projects-timeline {
			position: relative;
			max-width: 1000px;
			margin: 0 auto;
			padding: 40px 0;
		}
		
		.projects-timeline::before {
			content: '';
			position: absolute;
			top: 0;
			bottom: 0;
			left: 50%;
			width: 2px;
			background: linear-gradient(to bottom, 
			rgba(255, 255, 255, 0.2) 0%, 
			rgba(255, 255, 255, 0.2) 80%, 
			transparent 100%);
			transform: translateX(-50%);
			z-index: 1;
		}


        .timeline-year {
            font-family: 'Montserrat', sans-serif;
            font-size: 48px;
            font-weight: 900;
            margin: 40px 0 30px 0;
            text-align: center;
            position: relative;
            z-index: 2;
            background-color: #000000;
            display: inline-block;
            padding: 0 20px;
            left: 50%;
            transform: translateX(-50%);
            color: #ffffff;
        }

		.project-row {
			position: relative;
			display: flex;
			align-items: center;
			margin-bottom: 60px;
			width: 100%;
		}

		.project-row.left {
			justify-content: flex-start;
		}

		.project-row.right {
			justify-content: flex-end;
		}
		
		.project-row.right .timeline-node-point::after {
			content: '';
			position: absolute;
			top: 50%;
			left: 100%;
			width: calc(100% + 8vw); /* Длина луча до карточки */
			height: 2px;
			background: linear-gradient(90deg, #ffffff, rgba(255, 255, 255, 0.1));
			box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
			transform: translateY(-50%);
			pointer-events: none;
		}
		
		.project-row.left .timeline-node-point::before {
			content: '';
			position: absolute;
			top: 50%;
			right: 100%;
			width: calc(100% + 8vw);
			height: 2px;
			background: linear-gradient(-90deg, #ffffff, rgba(255, 255, 255, 0.1));
			box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
			transform: translateY(-50%);
			pointer-events: none;
		}

		.project-card {
			position: relative;
			width: 42%; /* Оставляем отступ до центра для луча */
			z-index: 2;
			transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
			will-change: transform; /* Включает оптимизацию GPU для исключения микрофризов */
		}
		.project-card:hover {
			transform: scale(1.03) translateY(-4px); /* Легкое увеличение и подъем */
			z-index: 10; /* Карточка перекрывает соседние элементы при увеличении */
			box-shadow: 0 12px 30px rgba(255, 255, 255, 0.15); /* Мягкое свечение */
		}

        /* Превью изображения 1920х1080 (Соотношение 16:9) */
        .project-img-wrapper {
            width: 100%;
            aspect-ratio: 16 / 9;
            background-color: #111111;
            border-bottom: 2px solid #ffffff;
            overflow: hidden;
        }

        .project-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .project-body {
            padding: 24px;
        }

        .project-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 26px;
            font-weight: 900;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .project-genre {
            font-family: 'Montserrat', sans-serif;
            font-size: 16px;
            font-weight: 700;
            color: #aaaaaa;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .project-genre span {
            color: #ffffff;
        }

        .project-buttons {
            display: flex;
            gap: 12px;
        }

        .btn {
            font-family: 'Montserrat', sans-serif;
            background-color: #ffffff;
            color: #000000;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 13px;
            text-transform: uppercase;
            border: none;
            cursor: pointer;
            transition: opacity 0.2s, background-color 0.2s, color 0.2s;
        }

        .btn:hover {
            opacity: 0.85;
        }

		.timeline-node-point {
			position: absolute;
			left: 50%;
			top: 50%;
			width: 14px;
			height: 14px;
			background-color: #ffffff;
			border: 2px solid #000;
			box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
			transform: translate(-50%, -50%) rotate(45deg); /* Поворот для формы ромба/квадрата */
			z-index: 3;
		}

		.timeline-end-node {
			position: relative;
			left: 50%;
			transform: translateX(-50%);
			width: 12px;
			height: 12px;
			background: #fff;
			border-radius: 50%;
			margin-top: 20px;
	}
	
		.timeline-end-node::after {
			content: '';
			position: absolute;
			top: -4px;
			left: -4px;
			right: -4px;
			bottom: -4px;
			border: 2px solid rgba(255, 255, 255, 0.8);
			border-radius: 50%;
			animation: radar-pulse 2s infinite ease-out;
	}
	
		@keyframes radar-pulse {
		0% {
			transform: scale(0.8);
			opacity: 1;
		}
		100% {
			transform: scale(2.5);
			opacity: 0;
		}
}

        /* --- СЕКЦИЯ 4: КОНТАКТЫ --- */
        .contacts-wrapper {
            text-align: center;
        }

        .qr-grid {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .qr-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

		.qr-box {
			width: 250px;
			height: 250px;
			background-color: #ffffff;
			padding: 10px;
			display: flex;
			align-items: center;
			justify-content: center;
			border-radius: 8px;
			text-decoration: none;
			/* Плавный скейл и подъем при наведении */
			transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
			will-change: transform;
		}
		
		.qr-box:hover {
			transform: scale(1.03) translateY(-4px);
			box-shadow: 0 12px 25px rgba(255, 255, 255, 0.2);
		}

        .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
		
		.contact-label {
			font-family: 'Montserrat', sans-serif;
			color: #ffffff;
			font-size: 16px;
			font-weight: 600;
			letter-spacing: 0.5px;
		}
		
		/* --- АНИМАЦИЯ ПОЯВЛЕНИЯ И ЗАСТАВКА --- */

/* Запрещаем скролл во время загрузки */
body:not(.loaded) {
    overflow: hidden;
}

/* Экран прелоадера */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #080808;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    /* Эффект ухода заставки вверх с плавным кубическим замедлением */
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.8s ease;
}

/* Состояние после загрузки — уход вверх */
body.loaded #preloader {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* Пульсирующие инициалы */
.loader-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 25px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 6px;
    animation: glowPulse 1.2s ease-in-out infinite alternate;
}

/* Неоновый индикатор загрузки */
.loader-line {
    width: 100px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.loader-line::after {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    box-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff;
    animation: loadingBar 1.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

/* Эффект плавного выплывания элементов сайта снизу */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

body.loaded section {
    opacity: 1;
    transform: translateY(0);
}

/* Ключевые кадры анимаций */
@keyframes glowPulse {
    0% {
        opacity: 0.3;
        transform: scale(0.96);
        text-shadow: 0 0 0px rgba(255, 255, 255, 0);
    }
    100% {
        opacity: 1;
        transform: scale(1.02);
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
    }
}

@keyframes loadingBar {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* --- АДАПТИВНОСТЬ --- */

/* Планшеты и мобильные устройства (до 850px) */
@media (max-width: 850px) {
    /* Базовые отступы и шрифты */
    section {
        padding: 60px 0;
    }

    #about {
        padding-top: 100px;
    }

    .section-main-title {
        font-size: 34px;
        margin-bottom: 40px;
    }

    /* Навигация */
    .nav-container {
        gap: 12px 20px;
        padding: 12px 0;
    }

    .nav-link {
        font-size: 14px;
    }

    .lang-switcher {
        margin-left: 0;
    }

    /* Секция 1: Обо мне */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .vertical-title {
        writing-mode: horizontal-tb;
        transform: none;
        font-size: 38px;
        white-space: normal;
    }

    .about-text {
        font-size: 17px;
        text-align: left;
    }

    .about-photo-wrapper {
        max-width: 320px;
        margin: 0 auto;
    }

    /* Секция 2: Образование */
    .education-subtitle {
        font-size: 26px;
        text-align: center;
    }

    .edu-line {
        display: none;
    }

    .edu-node {
        max-width: 100%;
    }

    /* Bento Grid (Скиллы) */
    .bento-container-white {
        padding: 18px;
        border-radius: 8px;
    }

    .bento-grid, 
    .csharp-row, 
    .bottom-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .unity-card {
        flex-direction: column;
        padding: 24px 16px;
        gap: 20px;
        text-align: center;
    }

    .csharp-title {
        font-size: 44px;
    }

    .white-dot-list li,
    .black-square-list li {
        font-size: 16px;
    }

    .personal-qualities-card {
        flex-direction: column-reverse;
        gap: 30px;
        padding: 24px 16px;
        align-items: center;
    }

    .vertical-header {
        writing-mode: horizontal-tb;
        font-size: 26px;
        text-align: center;
    }

    .qualities-timeline {
        padding-left: 0;
    }

    .timeline-line {
        left: 7px;
    }

    .quality-text {
        font-size: 18px;
    }

    /* Секция 3: Проекты (Временная шкала) */
    .projects-timeline {
        padding: 10px 0;
    }

    /* Главная вертикальная линия слева */
    .projects-timeline::before {
        left: 15px;
        transform: none;
    }

    /* Заголовок года */
    .timeline-year {
        left: 0;
        transform: none;
        font-size: 32px;
        margin: 20px 0;
        display: inline-block;
        padding: 0 10px 0 35px;
    }

    .project-row {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 0;
        padding-left: 40px;
        margin-bottom: 40px;
    }

    .project-row.left,
    .project-row.right {
        justify-content: flex-start;
    }

    .project-card {
        width: 100%;
    }

    /* Точки строго на левой линии */
    .timeline-node-point {
        left: 15px;
        top: 24px;
        transform: translate(-50%, -50%) rotate(45deg);
    }

    /* Отключаем боковые лучи на мобильных, чтобы не ломали верстку */
    .project-row.right .timeline-node-point::after,
    .project-row.left .timeline-node-point::before {
        display: none;
    }

    .timeline-end-node {
        left: 15px;
        transform: translateX(-50%);
    }

    /* Секция 4: Контакты */
    .qr-box {
        width: 200px;
        height: 200px;
    }
}

/* Экран малых смартфонов (до 480px) */
@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .section-main-title {
        font-size: 26px;
    }

    .vertical-title {
        font-size: 30px;
    }

    .about-text {
        font-size: 15px;
    }

    .project-title {
        font-size: 20px;
    }

    .project-body {
        padding: 16px;
    }

    .qr-box {
        width: 160px;
        height: 160px;
    }
}
/* Экраны сверхмалых устройств (320px – 380px) */
@media (max-width: 380px) {
    .container {
        padding: 0 12px;
    }

    /* Навигационная шапка */
    .nav-container {
        gap: 6px 10px;
        padding: 8px 0;
    }

    .nav-link {
        font-size: 11px;
        letter-spacing: 0;
    }

    .lang-switcher {
        padding: 2px;
    }

    .lang-btn {
        padding: 3px 8px;
        font-size: 10px;
    }

    /* Типографика и секции */
    section {
        padding: 40px 0;
    }

    .section-main-title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .vertical-title {
        font-size: 24px;
    }

    .about-text {
        font-size: 14px;
        line-height: 1.5;
        gap: 14px;
    }

    /* Bento карточки и скиллы */
    .bento-container-white {
        padding: 10px;
    }

    .unity-card {
        padding: 16px 10px;
    }

    .unity-logo {
        width: 90px;
        height: 60px;
    }

    .unity-text {
        font-size: 22px;
    }

    .csharp-title {
        font-size: 32px;
    }

    .white-dot-list li, 
    .black-square-list li {
        font-size: 13px;
    }

    .black-square-list li::before {
        width: 9px;
        height: 9px;
        margin-right: 8px;
    }

    .solid-title {
        font-size: 18px;
    }

    .solid-desc {
        font-size: 13px;
    }

    .quality-text {
        font-size: 14px;
    }

    /* Временная шкала и проекты */
    .projects-timeline::before,
    .timeline-node-point,
    .timeline-end-node {
        left: 10px;
    }

    .project-row {
        padding-left: 26px;
        margin-bottom: 30px;
    }

    .timeline-year {
        font-size: 24px;
        padding-left: 20px;
    }

    .project-body {
        padding: 14px 10px;
    }

    .project-title {
        font-size: 18px;
    }

    .project-genre {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 11px;
    }

    /* QR-коды */
    .qr-grid {
        gap: 20px;
    }

    .qr-box {
        width: 130px;
        height: 130px;
    }

    .contact-label {
        font-size: 14px;
    }
}