:root {
    color-scheme: dark;
    --bg: #0b0f0e;
    --bg-soft: #101614;
    --surface: #131a17;
    --surface-hover: #19221d;
    --border: #26332c;
    --text: #e8eee9;
    --muted: #9aa99f;
    --green: #7dff9b;
    --green-soft: #b1ffc1;
    --green-dark: #1c5830;
    --font: "Segoe UI", Arial, sans-serif;
    --mono: "Consolas", "Courier New", monospace;
    --container: 1080px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 4px;
}

::selection {
    background: var(--green);
    color: var(--bg);
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin-inline: auto;
}

.section {
    padding: 100px 0;
}

.section-border {
    border-top: 1px solid var(--border);
}

.accent-text {
    color: var(--green);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgb(38 51 44 / 80%);
    background: rgb(11 15 14 / 92%);
    backdrop-filter: blur(16px);
}

.navbar {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 1.05rem;
    font-weight: 700;
    white-space: nowrap;
}

.brand-mark {
    color: var(--green);
}

.brand-dot {
    color: var(--green);
}

.nav-right,
.nav-links,
.language-switch {
    display: flex;
    align-items: center;
}

.nav-right {
    gap: 24px;
}

.nav-links {
    gap: 23px;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.84rem;
    transition: color 160ms ease;
}

.nav-links a:hover {
    color: var(--green);
}

.language-switch {
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.8rem;
}

.language-switch button {
    padding: 5px 2px;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
    color: var(--green);
    font-weight: 700;
}

.language-switch > span {
    color: #506056;
}

.menu-toggle {
    display: none;
    width: 38px;
    height: 38px;
    padding: 9px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    background: var(--text);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 120px 0 110px;
}

.hero::before {
    position: absolute;
    top: -180px;
    right: -140px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: rgb(62 255 122 / 5%);
    filter: blur(80px);
    content: "";
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 70px;
}

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

.eyebrow {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 22px;
    color: var(--green);
    font-family: var(--mono);
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.11em;
}

.status-dot {
    display: inline-block;
    flex: 0 0 auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 12px rgb(125 255 155 / 35%);
}

.hero h1 {
    margin-bottom: 18px;
    font-size: clamp(2.7rem, 5.4vw, 4.7rem);
    line-height: 1.1;
    letter-spacing: -0.055em;
}

.hero-tagline {
    max-width: 560px;
    margin-bottom: 20px;
    color: #cbd6ce;
    font-size: clamp(1.1rem, 2.3vw, 1.5rem);
    font-weight: 500;
    line-height: 1.5;
}

.hero-description,
.section-description,
.contact-description {
    color: var(--muted);
    line-height: 1.9;
}

.hero-description {
    max-width: 580px;
    font-size: 0.98rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 11px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 650;
    transition:
        transform 160ms ease,
        background 160ms ease,
        border-color 160ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    border-color: var(--green);
    background: var(--green);
    color: #07110a;
}

.button-primary:hover {
    background: var(--green-soft);
}

.button-secondary {
    background: transparent;
    color: var(--text);
}

.button-secondary:hover {
    border-color: var(--green);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 35px;
    color: var(--muted);
    font-size: 0.78rem;
}

.hero-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.meta-symbol {
    color: var(--green);
    font-family: var(--mono);
}

.terminal-card {
    overflow: hidden;
    border: 1px solid #2b3d31;
    border-radius: 12px;
    background: #0d120f;
    box-shadow: 0 24px 80px rgb(0 0 0 / 25%);
}

.terminal-header {
    display: flex;
    min-height: 46px;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    background: #121915;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #526358;
}

.terminal-dots span:first-child {
    background: #e98282;
}

.terminal-dots span:nth-child(2) {
    background: #e7c66d;
}

.terminal-dots span:nth-child(3) {
    background: #7edc92;
}

.terminal-filename,
.terminal-menu {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.72rem;
}

.terminal-body {
    padding: 24px 22px 28px;
    font-family: var(--mono);
    font-size: 0.79rem;
    overflow-wrap: anywhere;
}

.terminal-body > p {
    margin-bottom: 9px;
}

.terminal-prompt {
    color: var(--green);
}

.terminal-output {
    padding-left: 10px;
    color: #d8e6dc;
}

.terminal-list {
    margin: 0 0 18px 26px;
    color: #c3d2c7;
    list-style: square;
}

.terminal-list li::marker {
    color: var(--green);
}

.terminal-cursor {
    display: inline-block;
    width: 7px;
    height: 15px;
    margin-left: 4px;
    background: var(--green);
    vertical-align: -3px;
    animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
    to {
        visibility: hidden;
    }
}

.section-heading {
    max-width: 700px;
    margin-bottom: 42px;
}

.section-heading .eyebrow {
    margin-bottom: 14px;
}

.section-heading .eyebrow > span:first-child {
    color: var(--green);
}

.section-heading h2,
.contact-grid h2 {
    margin-bottom: 16px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.section-description {
    max-width: 610px;
    font-size: 0.94rem;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
    gap: 40px;
}

.about-photo {
    position: relative;
    max-width: 340px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.about-photo img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center;
}

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

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-photo {
        width: min(100%, 280px);
        margin-inline: auto;
    }
}

.about-lead {
    color: #c0ccc3;
    font-size: 1.04rem;
    line-height: 2;
}

.info-card,
.skill-card,
.project-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.info-card {
    padding: 24px;
}

.card-label {
    margin-bottom: 18px;
    color: var(--green);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.check-list {
    display: grid;
    gap: 12px;
    list-style: none;
}

.check-list li {
    display: flex;
    gap: 10px;
    color: #c6d1c9;
    font-size: 0.9rem;
}

.check-list li::before {
    color: var(--green);
    content: "✓";
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 22px;
    max-width: 780px;
}

.timeline-marker {
    position: relative;
    display: flex;
    justify-content: center;
}

.timeline-marker::before {
    position: absolute;
    top: 8px;
    bottom: -50px;
    width: 1px;
    background: var(--border);
    content: "";
}

.timeline-marker::after {
    position: absolute;
    top: 7px;
    width: 11px;
    height: 11px;
    border: 2px solid var(--green);
    border-radius: 50%;
    background: var(--bg);
    content: "";
}

.timeline-content {
    padding-bottom: 10px;
}

.timeline-date {
    margin-bottom: 8px;
    color: var(--green);
    font-family: var(--mono);
    font-size: 0.79rem;
}

.timeline-content h3 {
    margin-bottom: 5px;
    font-size: 1.25rem;
}

.timeline-company {
    margin-bottom: 16px;
    color: #c7d3ca;
    font-size: 0.94rem;
}

.timeline-description {
    max-width: 720px;
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 0.91rem;
    line-height: 1.9;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-list span {
    padding: 5px 10px;
    border: 1px solid #2a3a30;
    border-radius: 6px;
    background: #101813;
    color: #b9c9be;
    font-family: var(--mono);
    font-size: 0.72rem;
}

.project-card {
    max-width: 760px;
    padding: 30px;
    transition:
        transform 180ms ease,
        border-color 180ms ease;
}

.project-card:hover,
.skill-card:hover {
    transform: translateY(-3px);
    border-color: #405747;
}

.project-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.project-icon,
.skill-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #2d5038;
    border-radius: 8px;
    background: #14251a;
    color: var(--green);
    font-family: var(--mono);
    font-weight: 700;
}

.project-icon {
    width: 48px;
    height: 48px;
}

.project-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--green);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
}

.project-status .status-dot {
    width: 6px;
    height: 6px;
}

.project-card h3 {
    margin-bottom: 12px;
    font-size: 1.45rem;
}

.project-description {
    max-width: 650px;
    margin-bottom: 22px;
    color: var(--muted);
    line-height: 1.9;
}

.project-note {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    color: #819187;
    font-size: 0.8rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.skill-card {
    min-width: 0;
    padding: 23px;
    transition:
        transform 180ms ease,
        border-color 180ms ease;
}

.skill-card-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.skill-card h3 {
    margin-bottom: 10px;
    font-size: 1.04rem;
}

.skill-card > p {
    min-height: 90px;
    margin-bottom: 20px;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    align-items: start;
    gap: 70px;
}

.contact-grid h2 {
    margin-bottom: 18px;
}

.contact-description {
    max-width: 480px;
}

.contact-links {
    display: grid;
    gap: 12px;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    transition:
        border-color 160ms ease,
        background 160ms ease;
}

.contact-link:hover {
    border-color: var(--green-dark);
    background: var(--surface-hover);
}

.contact-link-label,
.contact-link-description {
    display: block;
}

.contact-link-label {
    margin-bottom: 4px;
    font-weight: 650;
}

.contact-link-description {
    color: var(--muted);
    font-size: 0.8rem;
}

.contact-link > span:last-child {
    color: var(--green);
    font-size: 1.1rem;
}

.contact-note {
    color: #819187;
    font-size: 0.78rem;
}

.site-footer {
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    min-height: 86px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: var(--muted);
    font-size: 0.79rem;
}

.footer-inner > p {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--green);
    white-space: nowrap;
}

@media (max-width: 900px) {
    .nav-right {
        gap: 18px;
    }

    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 0.78rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .hero-content {
        max-width: 720px;
    }

    .terminal-card {
        max-width: 620px;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .skill-card > p {
        min-height: auto;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(var(--container), calc(100% - 36px));
    }

    .section {
        padding: 72px 0;
    }

    .navbar {
        min-height: 68px;
        gap: 12px;
    }

    .nav-right {
        gap: 14px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        gap: 0;
        padding: 10px 18px 18px;
        border-bottom: 1px solid var(--border);
        background: var(--bg);
    }

    .nav-links.is-open {
        display: flex;
        flex-direction: column;
    }

    .nav-links a {
        padding: 12px 4px;
        border-bottom: 1px solid #1b2720;
        font-size: 0.9rem;
    }

    .nav-links a:last-child {
        border-bottom: 0;
    }

    .hero {
        padding: 82px 0 76px;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 12vw, 3.6rem);
    }

    .hero-meta {
        flex-direction: column;
        gap: 10px;
    }

    .terminal-body {
        padding: 20px 15px 24px;
        font-size: 0.72rem;
    }

    .section-heading {
        margin-bottom: 32px;
    }

    .about-grid {
        gap: 24px;
    }

    .timeline-item {
        gap: 14px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .skill-card {
        padding: 22px;
    }

    .project-card {
        padding: 22px;
    }

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

    .footer-inner {
        min-height: 100px;
        align-items: flex-start;
        justify-content: center;
        flex-direction: column;
        gap: 8px;
        padding-block: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}