:root {
    color-scheme: dark;
    --background: #000000;
    --surface: #0a0a0a;
    --surface-hover: #111111;
    --text: #ffffff;
    --text-secondary: #b5b5b5;
    --text-muted: #858585;
    --border: #292929;
    --border-hover: #686868;
    --content-width: 1120px;
    --header-height: 76px;
    --radius: 5px;
    --transition: 1.2s ease;
}

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

html {
    scroll-behavior: auto;
    scroll-padding-top: calc(var(--header-height) + 24px);
    background: var(--background);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--background);
    color: var(--text);
    font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

::selection {
    background: #ffffff;
    color: #000000;
}

h1,
h2,
h3,
h4 {
    color: var(--text);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.045em;
}

h1 {
    font-size: clamp(3.5rem, 8vw, 6.3rem);
}

h2 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h3 {
    font-size: 1.3rem;
}

p {
    color: var(--text-secondary);
}

.title-period {
    color: #777777;
}

.section-label {
    display: block;
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 0.73rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    line-height: 1.7;
    text-transform: uppercase;
}

.section-description {
    max-width: 680px;
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.9;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    min-height: var(--header-height);
    padding: 14px max(28px, calc((100vw - var(--content-width)) / 2));
    background: rgba(0, 0, 0, 0.88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

.logo-mark {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.08em;
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

.logo-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

.header-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
    animation: none !important;
    transform: none !important;
    transition: color var(--transition) !important;
}

.header-contact:hover {
    color: var(--text);
}

.header-contact span,
.header-contact:hover span {
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

/* Main container */

.main-content {
    width: min(calc(100% - 56px), var(--content-width));
    margin: 0 auto;
    padding: 90px 0 100px;
    background: var(--background);
}

section {
    width: 100%;
}

/* About */

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(250px, 0.65fr);
    align-items: center;
    gap: clamp(45px, 8vw, 110px);
}

.about-content {
    min-width: 0;
}

.about-content h1 {
    margin-bottom: 30px;
    font-size: clamp(3.7rem, 8vw, 6.4rem);
    line-height: 0.98;
    letter-spacing: -0.075em;
    overflow-wrap: break-word;
}

.about-content>p {
    max-width: 650px;
    margin-bottom: 18px;
    font-size: 0.98rem;
    line-height: 1.95;
}

.about-content>.intro-text {
    color: #eeeeee;
    font-size: clamp(1.08rem, 2vw, 1.25rem);
    line-height: 1.8;
}

.about-content strong {
    color: #ffffff;
    font-weight: 500;
}

/* Skill tags */

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 26px;
}

.tags span {
    display: inline-flex;
    align-items: center;
    padding: 6px 11px;
    background: #0b0b0b;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: #d5d5d5;
    font-size: 0.78rem;
    line-height: 1.6;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition);
}

.tags span:hover {
    color: #ffffff;
    background: #151515;
    border-color: var(--border-hover);
}

/* Buttons */

.about-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 48px;
    padding: 12px 19px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
    animation: none !important;
    transform: none !important;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition) !important;
}

.button-primary {
    background: #ffffff;
    border-color: #ffffff;
    color: #000000;
}

.button-primary:hover {
    background: #dcdcdc;
    border-color: #dcdcdc;
    color: #000000;
    transform: none !important;
}

.button span,
.button:hover span {
    animation: none !important;
    transform: none !important;
    transition: none !important;
}

/* Profile picture */

.profile-side {
    width: 100%;
    max-width: 350px;
    justify-self: end;
}

.profile-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    overflow: hidden;
}

.profile-frame img {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    transition: filter var(--transition);
}

.profile-frame:hover img {
    filter: grayscale(15%);
    transform: none !important;
}

.profile-caption {
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.7;
    text-align: center;
}

/* Journey */

.journey {
    margin-top: 100px;
    padding-top: 38px;
    border-top: 1px solid var(--border);
}

.journey h2 {
    max-width: 750px;
    margin-bottom: 24px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    letter-spacing: -0.055em;
}

.journey-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.journey-content p {
    font-size: 0.95rem;
    line-height: 1.95;
}

/* Projects */

.experience {
    margin-top: 125px;
}

.section-heading {
    margin-bottom: 42px;
}

.section-heading h2 {
    max-width: 850px;
    font-size: clamp(2.6rem, 6vw, 4rem);
    letter-spacing: -0.065em;
}

.section-heading .section-description {
    margin-top: 18px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.project-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    padding: 25px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.project-card:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    transform: none !important;
}

.project-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    margin-bottom: 22px;
}

.project-number {
    color: #858585;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.project-tag {
    display: inline-block;
    padding: 5px 8px;
    background: #111111;
    border: 1px solid #333333;
    border-radius: 3px;
    color: #c3c3c3;
    font-size: 0.67rem;
    font-weight: 500;
    letter-spacing: 0.035em;
    line-height: 1.5;
    text-align: right;
}

.project-card h3 {
    margin-bottom: 8px;
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    line-height: 1.4;
    letter-spacing: -0.035em;
}

.project-date {
    margin-bottom: 16px;
    color: var(--text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.025em;
}

.project-card .project-description {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.91rem;
    line-height: 1.85;
}

.project-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 22px;
}

.project-skills span {
    display: inline-block;
    padding: 4px 8px;
    background: #101010;
    border: 1px solid #333333;
    border-radius: 3px;
    color: #c5c5c5;
    font-size: 0.7rem;
    line-height: 1.6;
}

.project-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 280px;
    object-fit: contain;
    margin-top: auto;
    margin-bottom: 21px;
    background: #050505;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: border-color var(--transition);
}

.project-card:hover img {
    border-color: #454545;
}

.project-note {
    margin-top: auto;
    padding-top: 4px;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    margin-top: 2px;
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: #666666;
    text-underline-offset: 5px;
    transition:
        color var(--transition),
        text-decoration-color var(--transition);
}

.project-link:hover {
    color: #c6c6c6;
    text-decoration-color: #ffffff;
}

/* Life outside coding */

.life-outside-code {
    margin-top: 125px;
    padding-top: 38px;
    border-top: 1px solid var(--border);
}

.life-outside-code .section-heading {
    margin-bottom: 34px;
}

.life-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.life-card {
    min-width: 0;
    overflow: visible;
}

.life-card img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center;
    background: var(--surface);
    border: 4px solid #333333;
    border-radius: 0;
    transition:
        transform 0.3s ease,
        opacity 0.3s ease,
        border-color 0.3s ease;
}

.life-card:hover img {
    transform: translateY(-4px);
    opacity: 0.92;
    border-color: #666666;
}

.life-card figcaption {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.life-number {
    margin-top: 16px;
    margin-bottom: 5px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.life-title {
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.life-description {
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.7;
}

@media (hover: none),
(pointer: coarse) {
    .life-card:hover img {
        transform: none;
    }
}

/* Contact section */

.contact-section {
    position: relative;
    margin-top: 135px;
    padding: clamp(32px, 6vw, 70px);
    background: linear-gradient(135deg, #0c0c0c 0%, #050505 55%, #101010 100%);
    border: 1px solid #333333;
    border-radius: 6px;
    overflow: hidden;
}

.contact-section::after {
    content: "";
    position: absolute;
    top: -110px;
    right: -100px;
    width: 250px;
    height: 250px;
    border: 1px solid #222222;
    border-radius: 50%;
    pointer-events: none;
}

.contact-section>* {
    position: relative;
    z-index: 1;
}

.contact-section h2 {
    max-width: 800px;
    margin-bottom: 25px;
    font-size: clamp(2.2rem, 6vw, 4.4rem);
    line-height: 1.12;
    letter-spacing: -0.065em;
}

.contact-description {
    max-width: 680px;
    margin-bottom: 18px;
    color: #c2c2c2;
    font-size: 0.98rem;
    line-height: 1.95;
}

.contact-aside {
    margin-bottom: 28px;
    color: #858585;
    font-size: 0.88rem;
    font-style: italic;
}

.contact-button {
    min-height: 50px;
}

/* Footer */

.site-footer {
    width: 100%;
    padding: 32px 28px 22px;
    background: #000000;
    border-top: 1px solid var(--border);
}

.footer-content,
.footer-bottom {
    width: min(100%, var(--content-width));
    margin: 0 auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.footer-credit {
    max-width: 600px;
    color: #d2d2d2;
    font-size: 0.98rem;
    line-height: 1.8;
}

.footer-credit span {
    display: block;
    margin-top: 3px;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.social-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 24px;
}

.social-links a {
    color: #d0d0d0;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 5px;
    transition:
        color var(--transition),
        text-decoration-color var(--transition);
}

.social-links a:hover {
    color: #ffffff;
    text-decoration-color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 28px;
    padding-top: 17px;
    border-top: 1px solid #1c1c1c;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-bottom a {
    color: var(--text-muted);
    transition: color var(--transition);
}

.footer-bottom a:hover {
    color: #ffffff;
}

/* Back to top */

.back-to-top,
.back-to-top:hover,
.back-to-top a,
.back-to-top a:hover,
#back-to-top,
#back-to-top:hover {
    animation: none !important;
    transform: none !important;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        opacity var(--transition) !important;
}

/* Section reveals */

.reveal {
    opacity: 1;
    transform: none;
}

html.js-motion .reveal {
    opacity: 0;
    transform: translateY(6px);
    transition:
        opacity 1.8s ease,
        transform 1.8s ease !important;
    transition-delay: 0s !important;
}

html.js-motion .reveal.is-visible {
    opacity: 1;
    transform: none;
}

html.js-motion .project-card.reveal,
html.js-motion .project-card.reveal:nth-child(n) {
    transition-delay: 0s !important;
}

/* Pixel cursors */

@media (hover: hover) and (pointer: fine) {

    html,
    body,
    body * {
        cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 16 16' shape-rendering='crispEdges'%3E%3Cpath d='M2 1V14L5 11L7 15L9 14L7 10H13Z' fill='%23ffffff' stroke='%23111111' stroke-width='1' stroke-linejoin='miter'/%3E%3C/svg%3E") 2 1, auto !important;
    }

    a,
    button,
    [role="button"],
    input[type="submit"],
    input[type="button"],
    .button,
    .project-link,
    .back-to-top,
    #back-to-top,
    .header-contact {
        cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 16 16' shape-rendering='crispEdges'%3E%3Cpath fill='%23111111' d='M5 1h2v1h1v5h1V5h2v1h1v2h1v4h-1v2h-2v1H5v-1H4v-2H3v-2H2V8h2v2h1z'/%3E%3Cpath fill='%23ffffff' d='M6 2h1v6h2V6h1v2h1V7h1v5h-1v1H6v-1H5v-2H4V9h1v2h1z'/%3E%3C/svg%3E") 7 1, pointer !important;
    }
}

@media (hover: none),
(pointer: coarse) {

    html,
    body,
    body * {
        cursor: auto !important;
    }
}

/* Tablet layout */

@media (max-width: 900px) {
    :root {
        --header-height: 68px;
    }

    .site-header {
        padding-right: 24px;
        padding-left: 24px;
    }

    .main-content {
        width: calc(100% - 48px);
        padding-top: 70px;
        padding-bottom: 80px;
    }

    .about-layout {
        grid-template-columns: minmax(0, 1fr) minmax(220px, 0.7fr);
        gap: 35px;
    }

    .about-content h1 {
        font-size: clamp(3.4rem, 7vw, 5rem);
    }

    .profile-side {
        max-width: 300px;
    }

    .journey,
    .experience,
    .life-outside-code {
        margin-top: 90px;
    }

    .project-grid {
        gap: 15px;
    }

    .project-card {
        padding: 20px;
    }

    .life-grid {
        gap: 12px;
    }

    .contact-section {
        margin-top: 100px;
    }

    .footer-content {
        align-items: flex-start;
    }

    .social-links {
        gap: 18px;
    }
}

/* Mobile layout */

@media (max-width: 700px) {
    .site-header {
        min-height: 64px;
        padding: 13px 19px;
    }

    .logo {
        gap: 8px;
        font-size: 0.85rem;
    }

    .logo-mark {
        font-size: 1rem;
    }

    .header-contact {
        font-size: 0.82rem;
    }

    .main-content {
        width: calc(100% - 38px);
        padding-top: 48px;
        padding-bottom: 55px;
    }

    .about-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 36px;
    }

    .about-content h1 {
        margin-bottom: 24px;
        font-size: clamp(3.5rem, 14vw, 5rem);
    }

    .about-content>p {
        font-size: 0.94rem;
    }

    .about-content>.intro-text {
        font-size: 1.05rem;
    }

    .tags {
        gap: 7px;
        margin-top: 22px;
    }

    .tags span {
        padding: 5px 9px;
        font-size: 0.74rem;
    }

    .about-actions {
        gap: 16px;
        margin-top: 26px;
    }

    .button {
        min-height: 45px;
        padding: 11px 14px;
        font-size: 0.82rem;
    }

    .profile-side {
        width: min(100%, 320px);
        max-width: none;
        justify-self: center;
    }

    .journey {
        margin-top: 68px;
        padding-top: 28px;
    }

    .journey h2 {
        font-size: 1.9rem;
    }

    .journey-content {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .journey-content p {
        font-size: 0.91rem;
    }

    .experience,
    .life-outside-code {
        margin-top: 78px;
    }

    .section-heading {
        margin-bottom: 28px;
    }

    .section-heading h2 {
        font-size: clamp(2.35rem, 10vw, 3.4rem);
    }

    .section-description {
        font-size: 0.92rem;
    }

    .project-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 15px;
    }

    .project-card {
        padding: 20px;
    }

    .project-card h3 {
        font-size: 1.3rem;
    }

    .project-card .project-description {
        font-size: 0.89rem;
    }

    .project-card img {
        max-height: none;
    }

    .life-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px 12px;
    }

    .life-title {
        font-size: 0.92rem;
    }

    .life-description {
        font-size: 0.76rem;
    }

    .contact-section {
        margin-top: 85px;
        padding: 30px 22px;
    }

    .contact-section h2 {
        font-size: clamp(2.15rem, 9vw, 3.2rem);
    }

    .contact-description {
        font-size: 0.91rem;
    }

    .contact-aside {
        font-size: 0.83rem;
    }

    .site-footer {
        padding: 26px 20px 20px;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .footer-credit {
        font-size: 0.94rem;
    }

    .footer-credit span {
        font-size: 0.84rem;
    }

    .social-links {
        justify-content: flex-start;
        gap: 22px;
    }

    .social-links a {
        font-size: 0.93rem;
    }

    .footer-bottom {
        margin-top: 23px;
        font-size: 0.76rem;
    }

    .site-header,
    .logo,
    .logo-mark,
    .header-contact,
    .button,
    .button span,
    .project-card,
    .life-card img {
        animation: none !important;
    }

    .site-header,
    .logo,
    .logo-mark,
    .header-contact,
    .button,
    .button span,
    .project-card,
    .project-card:hover,
    .life-card img,
    .life-card:hover img {
        transform: none !important;
    }
}

/* Small phones */

@media (max-width: 360px) {
    .site-header {
        padding-right: 13px;
        padding-left: 13px;
    }

    .logo {
        font-size: 0.78rem;
    }

    .main-content {
        width: calc(100% - 30px);
    }

    .about-content h1 {
        font-size: 3.2rem;
    }

    .about-actions {
        align-items: flex-start;
        flex-direction: column;
    }

    .project-card {
        padding: 16px;
    }

    .project-topline {
        align-items: flex-start;
    }

    .life-grid {
        gap: 17px 9px;
    }

    .contact-section {
        padding: 25px 17px;
    }

    .social-links {
        gap: 16px;
    }
}

/* Keyboard accessibility */

a:focus-visible,
button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 5px;
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto !important;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }

    html.js-motion .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}