:root {
    --yellow: #FFD600;
    --black: #0a0a0a;
    --white: #F5F0E8;
    --gray: #141414;
    --border: 1px solid rgba(255, 214, 0, 0.25);
}

body {
    background: var(--black);
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    overflow-x: hidden;
    cursor: crosshair;
}

header {
    padding: 3rem 4rem 2.5rem;
    border-bottom: var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.tape {
    background: repeating-linear-gradient(-45deg,
            var(--yellow) 0px, var(--yellow) 14px,
            var(--black) 14px, var(--black) 28px);
    height: 10px;
    width: 100%;
}

.tape-top {
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-label {
    font-size: 0.6rem;
    color: var(--yellow);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 0.3rem;
}

.brand-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.9;
    color: var(--white);
}

.brand-name span {
    color: var(--yellow);
}

.status-text {
    font-size: 0.55rem;
    color: var(--yellow);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-align: right;
    line-height: 2;
    opacity: 0.6;
}

.bio-section {
    padding: 3rem 4rem;
    border-bottom: var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.section-label {
    font-size: 0.55rem;
    color: var(--yellow);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    opacity: 0.7;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--yellow);
    opacity: 0.2;
}

.bio-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: 1rem;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 0.85em;
    background: var(--yellow);
    margin-left: 3px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.bio-body {
    font-size: 0.72rem;
    line-height: 2;
    color: rgba(245, 240, 232, 0.5);
    max-width: 42ch;
}

.bio-body strong {
    color: var(--yellow);
    font-weight: 700;
}

.projects-section {
    padding: 3rem 4rem;
}

.projects-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.projects-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1;
}

.projects-count {
    font-size: 0.58rem;
    color: var(--yellow);
    letter-spacing: 0.15em;
    opacity: 0.5;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1px;
    border: var(--border);
}

.project-card {
    background: var(--gray);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    position: relative;
    overflow: hidden;
    transition: background 0.2s;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
    background: #1a1a1a;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-num {
    font-size: 0.55rem;
    color: var(--yellow);
    letter-spacing: 0.2em;
    opacity: 0.4;
}

.project-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.7rem;
    letter-spacing: 0.03em;
    line-height: 1;
}

.project-desc {
    font-size: 0.68rem;
    line-height: 1.9;
    color: rgba(245, 240, 232, 0.45);
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.tag {
    font-size: 0.52rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 214, 0, 0.25);
    color: var(--yellow);
    padding: 0.15rem 0.5rem;
}

.project-links {
    display: flex;
    gap: 0.6rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 214, 0, 0.08);
}

.link-btn {
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid rgba(245, 240, 232, 0.15);
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.link-btn:hover {
    color: var(--black);
    background: var(--yellow);
    border-color: var(--yellow);
}

.link-btn.primary {
    color: var(--black);
    background: var(--yellow);
    border-color: var(--yellow);
}

.link-btn.primary:hover {
    background: var(--white);
    border-color: var(--white);
}

.wip-card {
    background: repeating-linear-gradient(-45deg,
            rgba(255, 214, 0, 0.02) 0px, rgba(255, 214, 0, 0.02) 14px,
            transparent 14px, transparent 28px);
    border: 1px dashed rgba(255, 214, 0, 0.15);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.4rem;
    min-height: 180px;
}

.wip-label {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    color: rgba(255, 214, 0, 0.2);
    letter-spacing: 0.1em;
}

.wip-sub {
    font-size: 0.5rem;
    color: rgba(255, 214, 0, 0.15);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

footer {
    border-top: var(--border);
}

.footer-inner {
    padding: 1.75rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.08em;
    color: rgba(245, 240, 232, 0.2);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.3);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--yellow);
}

.footer-copy {
    font-size: 0.5rem;
    color: rgba(245, 240, 232, 0.15);
    letter-spacing: 0.1em;
}

/* ── Hackathons ─────────────────────────────── */

.hackathons-section {
    padding: 3rem 4rem;
    border-top: var(--border);
}

.hackathon-block {
    grid-column: 1 / -1;
    background: var(--gray);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 214, 0, 0.35);
    border-bottom: 1px solid rgba(255, 214, 0, 0.35);
}

.hackathon-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--yellow);
}

.hackathon-block::after {
    content: 'HACKATHON';
    position: absolute;
    bottom: -2rem;
    right: -0.5rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 8rem;
    color: rgba(255, 214, 0, 0.03);
    letter-spacing: 0.05em;
    pointer-events: none;
    line-height: 1;
    user-select: none;
}

.hackathon-meta {
    padding: 1.5rem 2rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hackathon-badge {
    font-size: 0.52rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    padding: 0.2rem 0.65rem;
    font-weight: 700;
}

.hackathon-date {
    font-size: 0.52rem;
    color: rgba(255, 214, 0, 0.45);
    letter-spacing: 0.15em;
}

.hackathon-header {
    padding: 1.25rem 2rem 1.75rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: start;
}

.hackathon-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1;
    margin-bottom: 0.85rem;
    letter-spacing: 0.02em;
}

.hackathon-desc {
    font-size: 0.7rem;
    line-height: 2;
    color: rgba(245, 240, 232, 0.45);
    max-width: 55ch;
    margin-bottom: 1.25rem;
}

.hackathon-links {
    display: flex;
    gap: 0.6rem;
}

.hackathon-stats {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 0.25rem;
    min-width: 90px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: right;
}

.stat-val {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--yellow);
}

.stat-key {
    font-size: 0.48rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.3);
}

.hackathon-divider {
    margin: 0 2rem;
    border-top: 1px solid rgba(255, 214, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
}

.hackathon-divider-label {
    font-size: 0.52rem;
    color: rgba(255, 214, 0, 0.3);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    white-space: nowrap;
}

.hackathon-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 214, 0, 0.06);
}

.hackathon-projects {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255, 214, 0, 0.08);
    border-top: 1px solid rgba(255, 214, 0, 0.08);
    margin-top: 0.25rem;
}

.hproject-card {
    background: #111111;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    transition: background 0.2s;
}

.hproject-card:hover {
    background: #181818;
}

.hproject-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: var(--yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hproject-card:hover::before {
    transform: scaleX(1);
}

.hproject-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.4rem;
    letter-spacing: 0.03em;
    line-height: 1;
}

/* ── end Hackathons ─────────────────────────── */

/* ── Bio Photo ──────────────────────────────── */

.bio-photo-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    justify-self: end;
    align-self: center;
}

.bio-photo-box {
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 214, 0, 0.35);
    position: relative;
    overflow: hidden;
    background: var(--gray);
}

.bio-photo-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--yellow);
}

.bio-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
    filter: grayscale(20%);
}

.bio-photo-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    z-index: 0;
}

.bio-photo-icon {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    color: rgba(255, 214, 0, 0.25);
    letter-spacing: 0.1em;
}

.bio-photo-hint {
    font-size: 0.45rem;
    color: rgba(255, 214, 0, 0.2);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.bio-photo-label {
    font-size: 0.48rem;
    color: rgba(255, 214, 0, 0.3);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ── Hackathon Photo ────────────────────────── */

.hackathon-photo-row {
    padding: 0 2rem 1rem;
}

.hackathon-photo-box {
    width: 100%;
    max-width: 480px;
    height: 220px;
    border: 1px solid rgba(255, 214, 0, 0.15);
    position: relative;
    overflow: hidden;
    background: #0f0f0f;
}

.hackathon-photo-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: rgba(255, 214, 0, 0.4);
}

.hackathon-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
    filter: grayscale(15%);
}

/* ── end Photos ─────────────────────────────── */

/* ── Featured Project ───────────────────────── */

.featured-section {
    padding: 3rem 4rem;
    border-top: var(--border);
}

.featured-card {
    background: var(--gray);
    border: 1px solid rgba(255, 214, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--yellow);
}

.featured-card::after {
    content: 'FEATURED';
    position: absolute;
    bottom: -2rem;
    right: -0.5rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 9rem;
    color: rgba(255, 214, 0, 0.03);
    letter-spacing: 0.08em;
    pointer-events: none;
    line-height: 1;
    user-select: none;
}

.featured-tag-row {
    padding: 1.25rem 2rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.featured-badge {
    font-size: 0.52rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    padding: 0.2rem 0.65rem;
    font-weight: 700;
}

.featured-status {
    font-size: 0.52rem;
    color: rgba(255, 214, 0, 0.45);
    letter-spacing: 0.15em;
}

.featured-body {
    padding: 1.5rem 2rem 2rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: start;
}

.featured-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 7vw, 5rem);
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.featured-desc {
    font-size: 0.72rem;
    line-height: 2;
    color: rgba(245, 240, 232, 0.5);
    max-width: 60ch;
    margin-bottom: 1.25rem;
}

.featured-stat-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 0.5rem;
    min-width: 100px;
}

.featured-stat {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: right;
}

/* ── end Featured Project ───────────────────── */

/* ── Filter Bar ─────────────────────────────── */

.filter-bar {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.52rem;
    color: rgba(255, 214, 0, 0.4);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    white-space: nowrap;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.filter-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.52rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.45);
    background: transparent;
    border: 1px solid rgba(255, 214, 0, 0.15);
    padding: 0.35rem 0.75rem;
    cursor: crosshair;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.filter-btn:hover {
    color: var(--yellow);
    border-color: rgba(255, 214, 0, 0.45);
}

.filter-btn.active {
    color: var(--black);
    background: var(--yellow);
    border-color: var(--yellow);
}

/* ── end Filter Bar ─────────────────────────── */

/* ── Competition Block ──────────────────────── */

.competition-block {
    grid-column: 1 / -1;
    background: var(--gray);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 214, 0, 0.35);
    border-bottom: 1px solid rgba(255, 214, 0, 0.35);
}

.competition-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow), rgba(255,214,0,0.3));
}

.competition-block::after {
    content: 'MATH';
    position: absolute;
    bottom: -2rem;
    right: -0.5rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 8rem;
    color: rgba(255, 214, 0, 0.03);
    letter-spacing: 0.05em;
    pointer-events: none;
    line-height: 1;
    user-select: none;
}

.competition-badge {
    font-size: 0.52rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--yellow);
    color: var(--yellow);
    padding: 0.2rem 0.65rem;
    font-weight: 700;
}

.competition-result {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(255, 214, 0, 0.08);
    margin-top: auto;
}

.result-label {
    font-size: 0.45rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 214, 0, 0.3);
}

.result-val {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.1rem;
    color: var(--yellow);
    letter-spacing: 0.06em;
    line-height: 1;
}

/* ── end Competition Block ──────────────────── */

@media (max-width: 768px) {
    header {
        padding: 2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .bio-section {
        padding: 2rem;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .projects-section {
        padding: 2rem;
    }

    .footer-inner {
        padding: 1.5rem 2rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .hackathons-section {
        padding: 2rem;
    }

    .featured-section {
        padding: 2rem;
    }

    .featured-body {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .featured-stat-block {
        flex-direction: row;
        min-width: unset;
    }

    .featured-stat {
        text-align: left;
    }

    .bio-photo-wrap {
        justify-self: start;
    }

    .hackathon-photo-box {
        max-width: 100%;
        height: 160px;
    }

    .hackathon-header {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hackathon-stats {
        flex-direction: row;
        min-width: unset;
    }

    .stat {
        text-align: left;
    }

    .hackathon-projects {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .filter-buttons {
        gap: 0.35rem;
    }
}