* {
    box-sizing: border-box;
}

:root {
    --bg: #1B1D1C;
    --text: #CDCBC3;
    --panel: #2D2D2D;
    --line: #686868;
    --accent: #d7cf9d;
    --hover: #818175;
    --term: #141615;
}

ul {
    list-style: none;
}

html,
body {
    height: 100%;
}

body {
    margin-inline: clamp(10rem, 10vw, 20rem);
    color: var(--text);
    background: var(--bg);
    font-family: "IBM Plex Mono", "Liberation Mono", monospace;
}

body::-webkit-scrollbar {
    width: 4px;
}

body::-webkit-scrollbar-track {
    background-color: var(--panel);
}

body::-webkit-scrollbar-thumb {
    background-color: var(--line);
    border-radius: 4px;
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

h2,
h3,
h4,
h5,
h6 {
    font-weight: 400;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 120ms;
}

.scale-wrap {
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto auto 1fr;
    gap: 6px;
    padding: 6px;
}

header {
    grid-column: 1 / -1;
    grid-row: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--panel);
    font-size: clamp(0.85rem, 1.2vw, 1.2rem);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
}

.main-nav a {
    padding: 0.2rem 0.8em;
}

.main-nav a:hover {
    background-color: var(--hover);
    color: var(--bg);
}

.data-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    margin-right: 0.5rem;
}

.data-nav p {
    margin: 0;
}

.language-nav {
    display: flex;
    gap: 0.3rem;
}

.ru-nav,
.en-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.4em;
}

.ru-nav:hover,
.en-nav:hover {
    background-color: var(--hover);
    color: var(--bg);
}

.ru-nav.active,
.en-nav.active,
.skills.active,
.projects.active,
.education.active,
.experience.active,
.certificates.active,
.contactme.active {
    background-color: var(--hover);
    color: var(--bg);
}

h1 {
    grid-column: 1 / 4;
    grid-row: 2;
    background-color: var(--hover);
    font-size: clamp(0.85rem, 1vw, 2rem);
    padding-left: 1rem;
    margin: 0;
    color: var(--bg);
    display: flex;
    align-items: center;
    max-height: 25px;
}

main {
    grid-column: 1 / 4;
    grid-row: 3;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 0;
    font-size: 0.9rem;
    border: 2px solid var(--hover);
    overflow: hidden;
}

.search-layout {
    grid-column: 1 / 4;
    grid-row: 3;
    display: grid;
    grid-template-columns: minmax(0, 1fr) max-content;
    grid-template-rows: auto auto auto;
    gap: 0;
    border: 2px solid var(--hover);
    overflow: hidden;
    min-width: 0;
}

.search-layout > main {
    grid-column: 1 / -1;
    grid-row: 1 / -1;
    display: grid;
    grid-template-columns: subgrid;
    grid-template-rows: subgrid;
    border: 0;
    overflow: visible;
    min-width: 0;
}

.alittle-main {
    grid-column: 1 / -1;
    grid-row: 2;
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
    padding-left: 0.5rem;
    max-width: 50ch;
}

.skills-main,
.projects-main,
.education-main,
.experience-main,
.certificates-main,
.contactme-main {
    grid-column: 1 / -1;
    grid-row: 1;
    padding-top: 1.2rem;
    font-size: clamp(1.8rem, 4vw, 3rem);
    padding-left: 0.5rem;
    margin: 0;
    font-weight: 500;
}

.search-layout .alittle-main {
    grid-column: 1;
}

.sort-main {
    grid-column: 1;
    grid-row: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
    flex-wrap: wrap;
}

.search-container {
    grid-column: 2;
    grid-row: 2;
    display: grid;
    align-items: center;
    min-width: 0;
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
}

.skills-search-layout > .search-container {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: end;
    margin-bottom: 0.75rem;
}

.skills-search-layout .sort-main {
    grid-column: 1;
    grid-row: 3;
    align-self: start;
    padding-bottom: 0.5rem;
}

.projects-search-layout > .search-container {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: end;
    margin-bottom: 0.75rem;
}

#projects-list {
    grid-column: 1 / -1;
    grid-row: 4;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 6px;
    min-width: 0;
    width: 100%;
}

.project-card {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto auto auto;
    align-content: stretch;
    gap: 0.55rem;
    min-width: 0;
    padding: 6px;
    border: 2px solid var(--line);
    background: var(--bg);
}

.project-card-header {
    padding: 0.45rem 0.75rem;
    background: var(--panel);
    color: var(--text);
    overflow-wrap: anywhere;
}

.project-title {
    margin: 0;
    padding: 0.3rem 0.5rem 0;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.project-description {
    margin: 0;
    padding: 0 0.5rem;
    overflow-wrap: anywhere;
}

.project-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0 0.5rem;
    min-width: 0;
}

.project-skill {
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--line);
    overflow-wrap: anywhere;
}

.project-status {
    justify-self: start;
    margin: 0 0.5rem;
    padding: 0.1rem 0.5rem;
    border: 1px dashed var(--line);
    color: var(--line);
    overflow-wrap: anywhere;
}

.project-status[data-status="enabled"] {
    border-style: solid;
    border-color: var(--accent);
    color: var(--accent);
}

.project-card > a,
.project-card-link-placeholder {
    justify-self: start;
    margin: 0 0.5rem 0.2rem;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.project-card-link-placeholder {
    visibility: hidden;
}

.project-card > a:hover {
    background: var(--hover);
    color: var(--bg);
}

#certificates-list {
    grid-column: 1 / -1;
    grid-row: 4;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 6px;
    min-width: 0;
}

.certificate-card {
    display: grid;
    align-content: start;
    gap: 0.55rem;
    min-width: 0;
    padding: 6px;
    border: 2px solid var(--line);
    background: var(--bg);
}

.certificate-card-header {
    padding: 0.45rem 0.75rem;
    background: var(--panel);
    color: var(--text);
    overflow-wrap: anywhere;
}

.certificate-preview {
    position: relative;
    display: grid;
    place-items: center;
    width: calc(100% - 1rem);
    max-height: 520px;
    margin: 0.15rem 0.5rem 0;
    padding: 0;
    border: 1px solid var(--hover);
    background: var(--term);
    color: var(--accent);
    cursor: pointer;
    overflow: hidden;
}

.certificate-preview[data-orientation="unavailable"] {
    aspect-ratio: 16 / 9;
}

.certificate-preview img {
    display: block;
    width: 100%;
    max-height: 520px;
    object-fit: contain;
}

.certificate-preview-label {
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 0.1rem 0.45rem;
    background: var(--accent);
    color: var(--bg);
    font-size: 0.75rem;
}

.certificate-title {
    margin: 0;
    padding: 0.3rem 0.5rem 0;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.certificate-description {
    margin: 0;
    padding: 0 0.5rem;
    overflow-wrap: anywhere;
}

.certificate-metadata {
    display: grid;
    gap: 0.15rem;
    margin: 0;
    padding: 0 0.5rem;
}

.certificate-metadata-row {
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 0.5rem;
    min-width: 0;
}

.certificate-metadata-row dt {
    color: var(--hover);
}

.certificate-metadata-row dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}

.certificate-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0 0.5rem;
    min-width: 0;
}

.certificate-skill {
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--line);
    overflow-wrap: anywhere;
}

.certificate-preview-dialog {
    max-width: min(92vw, 1200px);
    max-height: 92dvh;
    padding: 0.75rem;
    border: 2px solid var(--hover);
    background: var(--bg);
    color: var(--text);
}

.certificate-preview-dialog::backdrop {
    background: rgb(0 0 0 / 80%);
}

.certificate-preview-dialog form {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.5rem;
}

.certificate-preview-close {
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--line);
    background: var(--panel);
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.certificate-preview-dialog img {
    display: block;
    max-width: 100%;
    max-height: calc(92dvh - 4rem);
    margin: 0 auto;
    object-fit: contain;
}

#education-list {
    grid-column: 1 / -1;
    grid-row: 4;
    align-self: start;
    min-width: 0;
    padding: 6px;
    border: 2px solid var(--line);
}

.education-list-header {
    margin-bottom: 0.4rem;
    padding: 0.45rem 0.75rem;
    background: var(--panel);
}

.education-entry {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) minmax(0, 6fr);
    gap: 1rem;
    padding: 0.9rem 0.75rem;
    border-bottom: 1px dashed var(--line);
}

.education-entry:last-child {
    border-bottom: 0;
}

.education-year {
    color: var(--hover);
    overflow-wrap: anywhere;
}

.education-entry-content {
    display: grid;
    justify-items: start;
    gap: 0.35rem;
    min-width: 0;
}

.education-category {
    margin: 0;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.education-name,
.education-specialization {
    margin: 0;
    overflow-wrap: anywhere;
}

.education-specialization {
    color: var(--hover);
}

.education-status {
    padding: 0.15rem 0.55rem;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.education-status[data-status="in progress"] {
    border-style: dashed;
}

#experience-list {
    grid-column: 1 / -1;
    grid-row: 4;
    align-self: start;
    min-width: 0;
    padding: 6px;
    border: 2px solid var(--line);
}

.experience-list-header {
    margin-bottom: 0.4rem;
    padding: 0.45rem 0.75rem;
    background: var(--panel);
}

.experience-entry {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) minmax(0, 6fr);
    gap: 1rem;
    padding: 0.9rem 0.75rem;
    border-bottom: 1px dashed var(--line);
}

.experience-entry:last-child {
    border-bottom: 0;
}

.experience-year {
    color: var(--hover);
    overflow-wrap: anywhere;
}

.experience-entry-content {
    display: grid;
    justify-items: start;
    gap: 0.35rem;
    min-width: 0;
}

.experience-category {
    margin: 0;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.experience-name,
.experience-organization,
.experience-specialization {
    margin: 0;
    overflow-wrap: anywhere;
}

.experience-organization,
.experience-specialization {
    color: var(--hover);
}

.experience-status {
    padding: 0.15rem 0.55rem;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.experience-status[data-status="in progress"] {
    border-style: dashed;
}

.sort-skills {
    display: flex;
    gap: 1rem;
    padding-left: 0.5rem;
    flex-wrap: wrap;
}

.sort-skills button {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid var(--hover);
    padding: 0 0.5rem;
    color: inherit;
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.sort-skills button:hover,
.sort-skills button[aria-pressed="true"] {
    background-color: var(--hover);
    color: var(--bg);
    transition: 120ms;
}

.sort-skills button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

#skills-list {
    grid-column: 1 / -1;
    grid-row: 4;
    column-count: 3;
    column-gap: 6px;
    counter-reset: skill-category;
    min-width: 0;
    width: 100%;
}

.skill-category {
    display: inline-block;
    width: 100%;
    min-width: 0;
    padding: 6px;
    margin-bottom: 6px;
    border: 2px solid var(--line);
    break-inside: avoid;
    counter-increment: skill-category;
}

.skill-category-header > span:first-child::before {
    content: "[" counter(skill-category) "] ";
}

.skill-category-header {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    padding: 0.35rem 0.6rem;
    background: var(--panel);
    overflow-wrap: anywhere;
}

.skill-category-list {
    display: grid;
    gap: 0;
}

.skill-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    padding: 0.45rem 0.25rem;
    border-bottom: 1px dashed var(--line);
}

.skill-entry:last-child {
    border-bottom: 0;
}

.skill-name {
    min-width: 0;
    color: var(--accent);
    overflow-wrap: anywhere;
}

.skill-level {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--line);
    white-space: nowrap;
    font-size: 0.8em;
}

.skill-level-indicators {
    display: inline-flex;
    gap: 2px;
}

.skill-level-indicators span {
    width: 0.45em;
    height: 0.45em;
    border: 1px solid var(--line);
}

.skill-level-indicators span.active {
    border-color: var(--accent);
    background: var(--accent);
}

.search-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--term);
    border: 1px solid var(--line);
    padding: 0.2rem 0.6rem;
    min-width: min(100%, 260px);
    margin-right: 1rem;
    transition: 120ms;
    font: inherit;
}

.search-main input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
    display: none;
}

.search-main:focus-within {
    border-color: var(--accent);
}

.search-main label {
    color: var(--accent);
    white-space: nowrap;
}

.search-main input {
    flex: 1;
    min-width: 0;
    background: none;
    border: 0;
    outline: none;
    color: inherit;
    font: inherit;
}

.contacts-main {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(20, auto);
    gap: 6px;
}

.contacts-main h2 {
    background-color: var(--panel);
    font-size: clamp(0.8rem, 1vw, 4.5rem);
    padding-left: 1rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: 0.5rem;
    margin-left: 0.3rem;
    margin-right: 0.3rem;
}

.contacts-main p,
.contacts-main a {
    margin: 0;
    color: var(--accent);
    font-size: 1.3rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.email,
.phone,
.telegram,
.github {
    border: 2px solid var(--line);
    min-width: 0;
    overflow-wrap: anywhere;
}

.experience-main ~ .alittle-main,
.contactme-main ~ .alittle-main {
    max-width: 60ch;
}

@media (max-width: 1400px) {
    body {
        margin-left: 4rem;
        margin-right: 4rem;
    }
}

@media (max-width: 1100px) {
    body {
        margin-left: 1.5rem;
        margin-right: 1.5rem;
    }

    .scale-wrap {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto 18px auto 1fr;
    }

    h1 {
        grid-column: 1 / -1;
    }

    main {
        grid-column: 1 / -1;
    }

    .search-layout {
        grid-column: 1 / -1;
    }

    .contacts-main {
        grid-template-columns: repeat(2, 1fr);
    }

    #skills-list {
        column-count: 2;
    }
}

@media (max-width: 700px) {
    body {
        margin: 0;
    }

    .scale-wrap {
        grid-template-columns: 1fr;
        grid-template-rows: auto 18px auto;
        align-content: start;
        height: auto;
        overflow: visible;
        padding: 4px;
        gap: 4px;
    }

    header,
    h1,
    main,
    .contacts-main {
        grid-column: 1;
        grid-row: auto;
    }

    .main-nav {
        flex-direction: column;
        width: 100%;
    }

    .main-nav a {
        padding: 0.6rem 1rem;
    }

    .data-nav {
        width: 100%;
        justify-content: space-between;
        margin: 0.5rem 0 0;
    }

    .sort-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .search-layout {
        display: contents;
    }

    #projects-list {
        grid-column: 1;
        grid-row: auto;
        grid-template-columns: minmax(0, 1fr);
    }

    #skills-list {
        grid-column: 1;
        grid-row: auto;
        column-count: 1;
    }

    #education-list {
        grid-column: 1;
        grid-row: auto;
    }

    #experience-list {
        grid-column: 1;
        grid-row: auto;
    }

    #certificates-list {
        grid-column: 1;
        grid-row: auto;
        grid-template-columns: minmax(0, 1fr);
    }

    .education-entry {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.5rem;
    }

    .experience-entry {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.5rem;
    }

    .search-layout > main {
        display: grid;
        grid-column: 1;
        grid-row: auto;
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto auto auto;
        border: 2px solid var(--hover);
    }

    .search-container {
        grid-column: 1;
        grid-row: auto;
        width: 100%;
    }

    .skills-search-layout > .search-container {
        grid-column: 1;
        grid-row: auto;
        align-self: stretch;
        margin-bottom: 0;
    }

    .projects-search-layout > .search-container {
        grid-column: 1;
        grid-row: auto;
        align-self: stretch;
        margin-bottom: 0;
    }

    .search-main {
        min-width: 100%;
        margin-right: 0;
    }

    .contacts-main {
        grid-template-columns: 1fr;
    }

    .skills-main,
    .projects-main,
    .education-main,
    .experience-main,
    .certificates-main,
    .contactme-main {
        font-size: clamp(1.4rem, 7vw, 2.2rem);
    }
}

@media (max-width: 400px) {
    .scale-wrap {
        padding: 2px;
        gap: 3px;
    }

    .sort-skills {
        gap: 0.25rem;
    }

    .sort-skills button {
        gap: 0.2rem;
        padding-inline: 0.25rem;
        font-size: 0.75rem;
    }

    header {
        font-size: 0.8rem;
    }

    .main-nav a {
        padding: 0.5rem 0.75rem;
    }

    .alittle-main {
        font-size: 0.9rem;
    }

    .contacts-main p,
    .contacts-main a {
        font-size: 1.05rem;
    }

    .contacts-main h2 {
        font-size: 0.85rem;
        padding-left: 0.6rem;
    }
}