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

:root {
    color-scheme: dark;
    --background: #080b12;
    --panel: rgba(12, 18, 30, 0.82);
    --panel-strong: rgba(14, 22, 36, 0.94);
    --border: rgba(0, 232, 255, 0.18);
    --border-bright: rgba(0, 232, 255, 0.48);
    --cyan: #00e8ff;
    --pink: #ff39d0;
    --purple: #8d57ff;
    --text: #f3f7ff;
    --muted: #a0abc0;
    --mono: "JetBrains Mono", Consolas, monospace;
    --sans: Inter, "Segoe UI", sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--background);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.7;
}

::selection {
    color: #071019;
    background: var(--cyan);
}

a {
    color: inherit;
}

.cyber-bg {
    position: fixed;
    z-index: -3;
    inset: 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 75% 18%, rgba(0, 170, 210, 0.09), transparent 44%),
        radial-gradient(ellipse at 18% 80%, rgba(140, 40, 190, 0.1), transparent 48%),
        var(--background);
    pointer-events: none;
}

.cyber-gradient {
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 28% 42%, rgba(0, 232, 255, 0.13), transparent 28%),
        radial-gradient(circle at 70% 54%, rgba(255, 57, 208, 0.1), transparent 25%),
        radial-gradient(circle at 58% 20%, rgba(141, 87, 255, 0.11), transparent 25%);
    filter: blur(45px);
    animation: gradient-drift 30s ease-in-out infinite alternate;
}

.grid-lines {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    background-image:
        linear-gradient(rgba(0, 232, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 232, 255, 0.08) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 75%, transparent);
}

.scanlines {
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(0, 0, 0, 0.32) 4px);
}

.matrix-rain,
.particles {
    position: fixed;
    z-index: -2;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.matrix-column {
    position: absolute;
    top: -120%;
    color: rgba(0, 232, 255, 0.4);
    font: 0.7rem/1.55 var(--mono);
    writing-mode: vertical-rl;
    text-shadow: 0 0 8px rgba(0, 232, 255, 0.65);
    animation: matrix-fall linear infinite;
}

.particle {
    position: absolute;
    bottom: -12px;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px 2px rgba(0, 232, 255, 0.55);
    animation: particle-rise linear infinite;
}

.code-float {
    position: absolute;
    color: rgba(0, 232, 255, 0.42);
    font: 0.7rem var(--mono);
    text-shadow: 0 0 10px rgba(0, 232, 255, 0.5);
    white-space: nowrap;
    animation: code-drift ease-in-out infinite alternate;
}

.sidebar {
    position: fixed;
    z-index: 5;
    inset: 0 auto 0 0;
    display: flex;
    width: min(43vw, 560px);
    min-height: 100vh;
    padding: clamp(2rem, 5vw, 5rem);
    border-right: 1px solid rgba(0, 232, 255, 0.12);
    background: linear-gradient(145deg, rgba(8, 12, 21, 0.94), rgba(8, 11, 18, 0.84));
    backdrop-filter: blur(18px);
}

.sidebar-content {
    display: flex;
    width: 100%;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
}

.sidebar-brand {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 0.8rem;
    color: var(--text);
    font: 700 0.82rem var(--mono);
    letter-spacing: 0.13em;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--border-bright);
    background: rgba(0, 232, 255, 0.06);
    box-shadow: 0 0 20px rgba(0, 232, 255, 0.15), inset 0 0 15px rgba(0, 232, 255, 0.08);
    color: var(--cyan);
}

.brand-cursor {
    color: var(--pink);
    animation: blink 1s steps(2, start) infinite;
}

.sidebar-header {
    max-width: 450px;
    margin: auto 0;
}

.eyebrow,
.section-kicker {
    color: var(--cyan);
    font: 600 0.72rem var(--mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.sidebar-header h1 {
    margin: 0.85rem 0 1rem;
    color: var(--text);
    font-size: clamp(2.7rem, 5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.07em;
    line-height: 1.02;
}

.sidebar-header h1 span {
    color: var(--cyan);
    text-shadow: 0 0 24px rgba(0, 232, 255, 0.35);
}

.sidebar-header > p:last-child {
    max-width: 340px;
    color: var(--muted);
    font-size: 1rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
}

.nav-link {
    display: flex;
    min-height: 38px;
    align-items: center;
    gap: 0.8rem;
    color: var(--muted);
    font: 600 0.72rem var(--mono);
    letter-spacing: 0.12em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-line {
    width: 24px;
    height: 1px;
    background: var(--muted);
    transition: width 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.nav-link:hover .nav-line,
.nav-link.active .nav-line {
    width: 48px;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

.sidebar-bottom {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--muted);
    font-size: 0.84rem;
    text-decoration: none;
    transition: color 180ms ease;
}

.github-link:hover {
    color: var(--cyan);
}

.sidebar-caption {
    color: #67758e;
    font: 0.62rem var(--mono);
    letter-spacing: 0.1em;
}

.main-content {
    width: min(100% - min(43vw, 560px), 1500px);
    margin-left: min(43vw, 560px);
    padding: clamp(2rem, 6vw, 5.5rem) clamp(1.5rem, 6vw, 5rem) 2rem;
}

.section {
    margin-bottom: clamp(4.5rem, 10vw, 8rem);
    scroll-margin-top: 2rem;
}

.section-overline {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1.2rem;
    color: var(--muted);
    font: 600 0.68rem var(--mono);
    letter-spacing: 0.15em;
}

.section-overline span {
    color: var(--pink);
}

.section-panel {
    position: relative;
    padding: clamp(1.35rem, 3vw, 2.4rem);
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(13, 21, 34, 0.88), rgba(9, 14, 24, 0.76));
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.16), inset 0 1px rgba(255, 255, 255, 0.025);
    backdrop-filter: blur(12px);
}

.section-panel::before,
.project-card::before,
.skill-card::before {
    position: absolute;
    top: -1px;
    left: 1.4rem;
    width: 64px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    content: "";
}

.about-panel h2,
.contact-panel h2 {
    margin: 0.55rem 0 1.25rem;
    color: var(--text);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    letter-spacing: -0.045em;
    line-height: 1.2;
}

.about-panel h2 span {
    color: var(--cyan);
    text-shadow: 0 0 20px rgba(0, 232, 255, 0.24);
}

.section-text {
    margin-bottom: 1rem;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.85;
}

.section-text strong {
    color: var(--text);
    font-weight: 600;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.75fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 4.5rem);
}

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

.about-aside {
    display: grid;
    align-content: center;
    gap: 0.45rem;
    min-width: 0;
    padding-left: clamp(1.5rem, 3vw, 2.8rem);
    border-left: 1px solid var(--border-bright);
    box-shadow: -8px 0 22px -22px var(--cyan);
}

.about-aside .section-kicker {
    margin-bottom: 0.6rem;
}

.about-project-link {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.15rem 0.6rem;
    padding: 0.75rem 0.7rem 0.75rem 0;
    color: var(--text);
    text-decoration: none;
    transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.about-project-link:hover {
    transform: translateX(4px);
    background: rgba(0, 232, 255, 0.055);
    color: var(--cyan);
}

.about-project-node {
    position: absolute;
    top: 50%;
    left: calc(-1 * clamp(1.5rem, 3vw, 2.8rem) - 4px);
    width: 7px;
    height: 7px;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    background: var(--background);
    box-shadow: 0 0 10px rgba(0, 232, 255, 0.6);
    transform: translateY(-50%);
}

.about-project-link strong,
.about-project-link small {
    display: block;
}

.about-project-link strong {
    font-size: 0.88rem;
}

.about-project-link small {
    margin-top: 0.1rem;
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.5;
}

.about-project-arrow {
    grid-column: 2;
    grid-row: 1;
    color: var(--cyan);
    font: 0.8rem var(--mono);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.7rem;
}

.action-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--border-bright);
    color: var(--cyan);
    font: 600 0.78rem var(--mono);
    text-decoration: none;
    transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.action-button:hover {
    transform: translateY(-2px);
    background: rgba(0, 232, 255, 0.1);
    box-shadow: 0 0 22px rgba(0, 232, 255, 0.14);
}

.action-primary {
    background: rgba(0, 232, 255, 0.08);
}

.action-secondary {
    border-color: rgba(255, 57, 208, 0.34);
    color: #ff80df;
}

.action-secondary:hover {
    background: rgba(255, 57, 208, 0.08);
    box-shadow: 0 0 22px rgba(255, 57, 208, 0.1);
}

.action-coffee {
    border-color: rgba(255, 190, 90, 0.42);
    color: #ffd18b;
}

.action-coffee:hover {
    background: rgba(255, 190, 90, 0.09);
    box-shadow: 0 0 22px rgba(255, 190, 90, 0.12);
}

.about-status {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 1.8rem;
    color: #8492a9;
    font: 0.68rem var(--mono);
    letter-spacing: 0.04em;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #58f3b0;
    box-shadow: 0 0 12px rgba(88, 243, 176, 0.7);
}

.experience-item {
    transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.experience-item:hover {
    transform: translateY(-3px);
    border-color: var(--border-bright);
    box-shadow: 0 14px 40px rgba(0, 232, 255, 0.07);
}

.experience-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.experience-header h2 {
    margin-top: 0.35rem;
    color: var(--text);
    font-size: 1.22rem;
}

.experience-date {
    padding: 0.35rem 0.6rem;
    border: 1px solid rgba(255, 57, 208, 0.25);
    color: #ff80df;
    font: 0.68rem var(--mono);
    white-space: nowrap;
}

.experience-desc,
.project-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.75;
}

.experience-tags,
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1.1rem;
}

.tag {
    display: inline-flex;
    padding: 0.24rem 0.58rem;
    border: 1px solid rgba(0, 232, 255, 0.16);
    background: rgba(0, 232, 255, 0.045);
    color: #8beefa;
    font: 0.66rem var(--mono);
}

.projects-list {
    display: grid;
    gap: 1rem;
}

.project-card {
    position: relative;
    display: block;
    overflow: hidden;
    padding: clamp(1.2rem, 3vw, 1.8rem);
    border: 1px solid rgba(0, 232, 255, 0.15);
    background: linear-gradient(135deg, rgba(13, 21, 34, 0.85), rgba(9, 14, 24, 0.75));
    color: inherit;
    text-decoration: none;
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.project-card:hover,
.project-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--border-bright);
    background: linear-gradient(135deg, rgba(13, 28, 42, 0.96), rgba(12, 16, 30, 0.88));
    box-shadow: 0 18px 44px rgba(0, 232, 255, 0.09);
    outline: none;
}

.project-inner {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-index {
    color: var(--pink);
    font: 0.64rem var(--mono);
    letter-spacing: 0.12em;
}

.project-header svg {
    color: var(--cyan);
    transition: transform 180ms ease;
}

.project-card:hover .project-header svg {
    transform: translate(3px, -3px);
}

.project-header h4,
.project-card h2 {
    color: var(--text);
    font-size: 1.12rem;
    line-height: 1.4;
}

.project-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.3rem;
    color: var(--cyan);
    font: 600 0.7rem var(--mono);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.skill-card {
    position: relative;
    min-width: 0;
    padding: 1rem;
    border: 1px solid rgba(0, 232, 255, 0.14);
    background: rgba(12, 18, 30, 0.78);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.skill-card::before {
    left: 0.8rem;
    width: 38px;
}

.skill-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-bright);
    box-shadow: 0 12px 28px rgba(0, 232, 255, 0.07);
}

.skill-icon {
    display: grid;
    width: 35px;
    height: 35px;
    margin-bottom: 0.8rem;
    place-items: center;
    border: 1px solid rgba(0, 232, 255, 0.24);
    background: rgba(0, 232, 255, 0.06);
    color: var(--cyan);
    font: 600 0.66rem var(--mono);
}

.skill-card h2 {
    color: var(--text);
    font-size: 0.94rem;
}

.skill-card p {
    margin-top: 0.25rem;
    color: var(--muted);
    font-size: 0.75rem;
    line-height: 1.55;
}

.stats-section {
    padding: 1rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.stat-card {
    display: flex;
    min-height: 105px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    border: 1px solid rgba(0, 232, 255, 0.14);
    background: rgba(12, 18, 30, 0.7);
    text-align: center;
}

.stat-number {
    color: var(--cyan);
    font: 700 clamp(1.4rem, 4vw, 2rem) var(--mono);
    text-shadow: 0 0 18px rgba(0, 232, 255, 0.28);
}

.stat-label {
    color: var(--muted);
    font-size: 0.68rem;
}

.contact-panel h2 {
    margin-bottom: 0.7rem;
}

.contact-panel .action-button {
    margin-top: 0.4rem;
}

.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 0 0.5rem;
    border-top: 1px solid rgba(0, 232, 255, 0.14);
    color: #758198;
    font-size: 0.7rem;
}

.footer p span:first-of-type {
    color: var(--pink);
}

.footer a {
    color: var(--cyan);
    font: 0.68rem var(--mono);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem 1rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes gradient-drift {
    from { transform: translate3d(-2%, -1%, 0) rotate(0deg) scale(1); }
    to { transform: translate3d(2%, 1%, 0) rotate(8deg) scale(1.08); }
}

@keyframes matrix-fall {
    to { transform: translateY(240vh); }
}

@keyframes particle-rise {
    to { transform: translateY(-110vh); opacity: 0; }
}

@keyframes code-drift {
    0% {
        opacity: 0.05;
        transform: translate3d(0, 0, 0) rotate(-8deg);
    }
    18% {
        opacity: 0.65;
    }
    82% {
        opacity: 0.45;
    }
    100% {
        opacity: 0.08;
        transform: translate3d(var(--drift-x), var(--drift-y), 0) rotate(8deg);
    }
}

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

@media (max-width: 1250px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .about-aside {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 1.35rem 0 0;
        border-top: 1px solid var(--border-bright);
        border-left: 0;
        box-shadow: 0 -8px 22px -22px var(--cyan);
    }

    .about-aside .section-kicker {
        grid-column: 1 / -1;
    }

    .about-project-link {
        padding-left: 1rem;
    }

    .about-project-node {
        top: 50%;
        left: 0;
    }
}

@media (max-width: 980px) {
    .sidebar {
        position: relative;
        width: 100%;
        min-height: auto;
        padding: 1.25rem clamp(1.25rem, 5vw, 3rem);
        border-right: 0;
        border-bottom: 1px solid rgba(0, 232, 255, 0.16);
    }

    .sidebar-content {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: 1.2rem;
    }

    .sidebar-header {
        grid-column: 1 / -1;
        margin: 0.6rem 0 0.25rem;
    }

    .sidebar-header h1 {
        margin: 0.35rem 0;
        font-size: clamp(2.3rem, 8vw, 3.5rem);
    }

    .sidebar-header > p:last-child {
        max-width: 520px;
    }

    .sidebar-nav {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.3rem 1.1rem;
    }

    .nav-link {
        min-height: 32px;
        font-size: 0.62rem;
    }

    .nav-line {
        width: 12px;
    }

    .nav-link:hover .nav-line,
    .nav-link.active .nav-line {
        width: 20px;
    }

    .sidebar-bottom {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .main-content {
        width: min(100%, 880px);
        margin: 0 auto;
        padding: 2.5rem clamp(1.25rem, 5vw, 3rem) 1.5rem;
    }
}

@media (max-width: 560px) {
    .sidebar {
        padding: 1rem 1.1rem;
    }

    .sidebar-content {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .sidebar-header {
        grid-column: auto;
        margin-top: 0.3rem;
    }

    .sidebar-header h1 {
        font-size: 2.5rem;
    }

    .sidebar-nav {
        grid-column: auto;
        gap: 0.15rem 0.85rem;
    }

    .nav-link {
        gap: 0.45rem;
        font-size: 0.58rem;
        letter-spacing: 0.07em;
    }

    .nav-line {
        width: 8px;
    }

    .nav-link:hover .nav-line,
    .nav-link.active .nav-line {
        width: 14px;
    }

    .sidebar-bottom {
        grid-column: auto;
    }

    .sidebar-caption {
        font-size: 0.53rem;
    }

    .main-content {
        padding: 2rem 1rem 1rem;
    }

    .section {
        margin-bottom: 4.5rem;
    }

    .experience-header {
        flex-direction: column;
    }

    .about-aside {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        gap: 0.55rem;
    }

    .skill-card {
        padding: 0.8rem;
    }

    .stats-grid {
        gap: 0.45rem;
    }

    .stat-card {
        min-height: 88px;
        padding: 0.5rem 0.25rem;
    }

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

    .footer-links {
        justify-content: flex-start;
    }
}

@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;
    }
}