:root {
    --primary-color: #1a5fe8;
    --secondary-color: #4285f4;
    --accent-color: #2362ed;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

.section__list-item:active {
    transform: translateY(0);
}

.contact-item:active,
.skill-item:active {
    transform: scale(0.98);
}

html {
    scroll-behavior: smooth;
}

.section__list-item:focus-visible,
.contact-item:focus-visible,
.skill-item:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

body {
    background: var(--background-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background: var(--card-background);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius);
    padding: 60px;
}

.header {
    display: grid;
    gap: 24px;
    margin-bottom: 48px;
    position: relative;
}

.full-name {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.contact-item:hover {
    background: var(--primary-color);
    color: white;
}

.contact-item:hover svg {
    fill: white;
}

.position {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    padding-left: 16px;
}

.position::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--accent-color);
    border-radius: 4px;
}

.desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    max-width: 90ch;
}

.section__title {
    position: relative;
    overflow: hidden;
}

.section__title::before {
    content: '';
    position: absolute;
    left: -100%;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.section__title:hover::before {
    left: 0;
}

.section__title::after {
    content: '';
    height: 1px;
    flex: 1;
    background: #e0e0e0;
}

.section__list-item {
    margin-bottom: 36px;
    padding: 24px;
    border-radius: var(--border-radius);
    background: var(--card-background);
    border: 1px solid #e0e0e0;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.section__list-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.section__list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: var(--primary-color);
    transition: height 0.3s ease;
}

.section__list-item:hover::before {
    height: 100%;
}

.company-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.company-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 18px;
}

.company-duration {
    color: var(--text-secondary);
    font-size: 14px;
}

.job-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 16px;
}

.job-description {
    color: var(--text-secondary);
    font-size: 15px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.skill-item {
    background: var(--background-color);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.skill-item:hover {
    background: transparent;
    border-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(23px);
}

@media (max-width: 768px) {
    .container {
        margin: 20px;
        padding: 32px;
        border-radius: var(--border-radius);
    }

    .full-name {
        font-size: 36px;
    }

    .position {
        font-size: 22px;
    }

    .contact-info {
        flex-direction: column;
        gap: 16px;
    }

    .section__list-item {
        padding: 20px;
    }
}

@media (prefers-color-scheme: light) {
    :root {
        --background-color: #1a1a1a;
        --card-background: #242424;
        --text-primary: #ffffff;
        --text-secondary: #a0a0a0;
    }

    .section__list-item {
        background: #2a2a2a;
        border-color: #333;
    }

    .skill-item {
        background: #333;
    }
}