:root {
    --bg: #0a0a0a;
    --surface: #141313;
    --surface-alt: #1c1b1b;
    --border: #ffffff;
    --border-dim: rgba(255, 255, 255, 0.12);
    --text: #e5e2e1;
    --text-dim: rgba(229, 226, 225, 0.55);
    --accent: #3c78d6;

    --font-mono: 'Roboto Mono', monospace;
    --font-body: 'Cutive Mono', 'Roboto Mono', monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    overflow-x: hidden;
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

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

::selection {
    background: var(--accent);
    color: #ffffff;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: #333;
}

.hero-name-bg {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.hero-name-bg span {
    font-family: var(--font-mono);
    font-weight: 900;
    font-size: 15vw;
    line-height: 1.05;
    text-align: center;
    letter-spacing: 0;
    color: rgba(255, 255, 255, 0.05);
    text-transform: uppercase;
    white-space: nowrap;
}

@media (max-width: 720px) {
    .hero-name-bg span { font-size: 22vw; }
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-dim);
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    transition: color 0.3s;
}

.logo:hover {
    color: var(--accent);
}

.topbar-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.icon-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s, border-color 0.3s;
}

.icon-btn:hover {
    color: var(--accent);
    border-color: var(--border-dim);
}

.menu-icon {
    flex-direction: column;
    gap: 4px;
    width: 38px;
    height: 38px;
}

.menu-icon span {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: transform 0.3s, opacity 0.3s;
}

.menu-icon.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.menu-icon.open span:nth-child(2) {
    opacity: 0;
}
.menu-icon.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.menu {
    position: fixed;
    top: 4.25rem;
    right: 1.5rem;
    z-index: 49;
    display: grid;
    gap: 0.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    min-width: 180px;
    transform-origin: top right;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.menu-hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95) translateY(-6px);
}

.menu a {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    padding: 0.5rem 0.25rem;
    transition: color 0.2s, padding-left 0.2s;
}

.menu a:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}

main {
    position: relative;
    z-index: 10;
    padding-top: 5rem;
    min-height: 100vh;
}

.page {
    display: none;
    padding: 4rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    animation: pageIn 0.4s ease;
}

.page.active {
    display: block;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

#home.page {
    min-height: 85vh;
    display: none;
    align-items: center;
}

#home.page.active {
    display: flex;
}

.hero {
    max-width: 760px;
}

.hero-text {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(1.75rem, 4vw, 3rem);
    line-height: 1.2;
    text-transform: uppercase;
    margin: 0 0 2rem;
}

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

.cta {
    font-family: var(--font-mono);
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 1rem 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: background 0.3s, color 0.3s, transform 0.3s;
}

.cta:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-4px);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 3rem;
}

.section-head h2 {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin: 0;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    opacity: 0.4;
    text-transform: uppercase;
    white-space: nowrap;
}

.experience-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--border-dim);
}

.experience-entry {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-dim);
    transition: padding-left 0.3s;
}

.experience-entry:hover {
    padding-left: 0.75rem;
}

.exp-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.5;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exp-type {
    color: var(--accent);
    opacity: 1;
}

.experience-entry h3 {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 0 0 0.5rem;
}

.exp-desc {
    font-family: var(--font-body);
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.exp-footnote {
    margin-top: 2rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    opacity: 0.3;
    letter-spacing: 0.02em;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-dim);
    border: 1px solid var(--border-dim);
}

@media (max-width: 1024px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .projects-grid { grid-template-columns: 1fr; }
}

#exists {
    cursor: pointer;
}

.project-card {
    background: var(--bg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.project-card:hover {
    background: var(--surface);
    transform: translateY(-4px);
}

.card-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    opacity: 0.5;
    border-bottom: 1px solid var(--border-dim);
    padding-bottom: 0.75rem;
}

.project-card h3 {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 0;
}

.project-description {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-dim);
    margin: 0;
    flex-grow: 1;
}

.tag-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
}

.tag-list li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    border: 1px solid var(--border-dim);
    padding: 0.4rem 0.75rem;
    transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.project-card .tag-list li:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.tag-list--big li {
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    cursor: default;
}

.tag-list--big li:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.contact-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--border-dim);
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    text-transform: uppercase;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-dim);
    transition: color 0.3s, padding-left 0.3s;
}

.contact-row:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}

.idx {
    font-size: 0.9rem;
    opacity: 0.35;
}

.arrow {
    margin-left: auto;
    opacity: 0.4;
    transition: opacity 0.3s, transform 0.3s;
}

.contact-row:hover .arrow {
    opacity: 1;
    transform: translate(3px, -3px);
}

footer {
    position: relative;
    z-index: 10;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    opacity: 0.4;
    padding: 2rem 1rem 3rem;
    text-transform: uppercase;
}

/*
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┃█████ Z █████┃
┃█████ M █████┃
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┃      ○      ┃
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*/