@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=DM+Serif+Display&display=swap');

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

:root {
    --col-bg: #f5f4f0;
    --col-white: #ffffff;
    --col-text: #1a1a1a;
    --col-muted: #666;
    --col-accent: #918f8f;
    --col-accent-light: #e8edf5;
    --col-nav-active: #3a5a8c;
    --col-border: #ddd;
    --col-footer-bg: #918f8f;
    --col-footer-text: #ccc;
    font-size: 62.5%;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--col-bg);
    color: var(--col-text);
    font-family: 'DM Sans', sans-serif;
    font-size: 1.5rem;
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

img {
    display: block;
    max-width: 100%;
}


header.site-header {
    background-color: var(--col-white);
    border-bottom: 1px solid var(--col-border);
    padding: 1.6rem 3.2rem;
}

header.site-header h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 2.6rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--col-text);
}


nav.site-nav {
    background-color: var(--col-white);
    border-bottom: 2px solid var(--col-accent);
}

nav.site-nav ul {
    list-style: none;
    display: flex;
    gap: 0;
    padding: 0 3.2rem;
}

nav.site-nav ul li a {
    display: block;
    padding: 1.1rem 2rem;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--col-muted);
    letter-spacing: 0.03em;
    transition: color 0.2s, background 0.2s;
}

nav.site-nav ul li a:hover {
    color: var(--col-accent);
    background-color: var(--col-accent-light);
}

nav.site-nav ul li a.active {
    color: var(--col-white);
    background-color: var(--col-accent);
}

.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 1rem 3.2rem;
    font-size: 2.4rem;
    color: var(--col-accent);
    align-self: flex-end;
}


main.site-main {
    flex: 1;
    padding: 3.2rem;
    max-width: 120rem;
    width: 100%;
    margin: 0 auto;
}


footer.site-footer {
    background-color: var(--col-footer-bg);
    color: var(--col-footer-text);
    padding: 2rem 3.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 1.3rem;
}

footer.site-footer .footer-social {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

footer.site-footer .footer-social span {
    margin-right: 0.4rem;
}

footer.site-footer .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: #333;
    border-radius: 4px;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    transition: background 0.2s;
}

footer.site-footer .footer-social a:hover {
    background-color: var(--col-accent);
}


.cv-layout {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.cv-left {
    flex: 0 0 22rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.4rem;
}

.cv-avatar {
    width: 14rem;
    height: 14rem;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--col-accent);
    background-color: var(--col-accent-light);
}

.cv-avatar-placeholder {
    width: 14rem;
    height: 14rem;
    border-radius: 50%;
    background-color: var(--col-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--col-accent);
}

.cv-skills {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.cv-skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cv-skill-icon {
    width: 3.2rem;
    height: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--col-accent-light);
    border-radius: 6px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--col-accent);
    flex-shrink: 0;
}

.cv-skill-bar-wrap {
    flex: 1;
    height: 0.8rem;
    background-color: var(--col-border);
    border-radius: 4px;
    overflow: hidden;
}

.cv-skill-bar {
    height: 100%;
    background-color: var(--col-accent);
    border-radius: 4px;
}

.cv-right {
    flex: 1;
}

.cv-right h2 {
    font-family: 'DM Serif Display', serif;
    font-size: 3rem;
    font-weight: 400;
    color: var(--col-text);
    margin-bottom: 0.4rem;
}

.cv-right .cv-subtitle {
    font-size: 1.4rem;
    color: var(--col-muted);
    margin-bottom: 2rem;
}

.cv-right p {
    margin-bottom: 1.4rem;
    color: var(--col-text);
}


.timeline {
    padding: 1rem 0;
}

.timeline h2 {
    font-family: 'DM Serif Display', serif;
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: 2.4rem;
    color: var(--col-text);
}

.timeline-item {
    display: grid;
    grid-template-columns: 14rem 1fr;
    gap: 1.6rem 2.4rem;
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--col-border);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-date {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--col-accent);
    padding-top: 0.2rem;
}

.timeline-desc {
    font-size: 1.5rem;
    color: var(--col-text);
}


.contact-layout {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.contact-form-wrap {
    flex: 0 0 48rem;
}

.contact-form-wrap fieldset {
    border: 1px solid var(--col-border);
    border-radius: 6px;
    padding: 2.4rem;
    background-color: var(--col-white);
}

.contact-form-wrap legend {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--col-muted);
    padding: 0 0.8rem;
}

.contact-form-wrap input,
.contact-form-wrap textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    margin-bottom: 1.2rem;
    border: 1px solid var(--col-border);
    border-radius: 4px;
    font-family: 'DM Sans', sans-serif;
    font-size: 1.4rem;
    color: var(--col-text);
    background-color: var(--col-bg);
    transition: border-color 0.2s;
}

.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus {
    outline: none;
    border-color: var(--col-accent);
}

.contact-form-wrap textarea {
    resize: vertical;
    min-height: 12rem;
}

.contact-form-wrap .btn-submit {
    display: block;
    margin-left: auto;
    padding: 0.9rem 2.4rem;
    background-color: var(--col-accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: 'DM Sans', sans-serif;
    font-size: 1.4rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.contact-form-wrap .btn-submit:hover {
    background-color: #2d4870;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1.2rem;
    color: var(--col-text);
}

.contact-info p {
    font-size: 1.5rem;
    color: var(--col-muted);
    line-height: 1.7;
}


@media (max-width: 768px) {

    header.site-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1.4rem 2rem;
    }

    nav.site-nav {
        display: flex;
        flex-direction: column;
    }

    .burger {
        display: block;
        padding: 0.6rem 2rem;
    }

    nav.site-nav ul {
        display: none;
        flex-direction: column;
        padding: 0;
    }

    nav.site-nav ul.open {
        display: flex;
    }

    nav.site-nav ul li a {
        padding: 1.2rem 2rem;
        border-bottom: 1px solid var(--col-border);
    }

    main.site-main {
        padding: 2rem;
    }

    .cv-layout {
        flex-direction: column;
        gap: 2.4rem;
    }

    .cv-left {
        flex: none;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
    }

    .cv-skills {
        width: 100%;
    }

    .cv-right h2 {
        font-size: 2.4rem;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .contact-layout {
        flex-direction: column;
        gap: 2.4rem;
    }

    .contact-form-wrap {
        flex: none;
        width: 100%;
    }

    footer.site-footer {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.6rem 2rem;
    }
}