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

:root {
    --bg: #07090f;
    --surface: #0d1117;
    --border: rgba(255, 255, 255, 0.07);
    --text: #c9d1d9;
    --muted: rgba(201, 209, 217, 0.45);
    --accent: #58a6ff;
    --accent2: #3fb950;
    --accent3: #f78166;
    --white: #e6edf3;
    --font: 'Inter', system-ui, sans-serif;
    --display: 'Syne', sans-serif;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-weight: 300;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
    opacity: 0.6;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s;
}

nav.scrolled {
    background: rgba(7, 9, 15, 0.88);
    backdrop-filter: blur(16px);
    border-color: var(--border);
}

.logo {
    font-family: var(--display);
    font-size: 1rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 200;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul a {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

nav ul a:hover {
    color: var(--white);
}

#home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3rem;
    position: relative;
    text-align: center;
    overflow: hidden;
}

#home::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(88, 166, 255, 0.06) 0%, rgba(63, 185, 80, 0.03) 40%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    max-width: 860px;
    display: flex;
    flex-direction: column;
    align-items: center;
}



.hero-name-hover {
    display: inline-block;
    position: relative;
    cursor: default;
}

.hero-name-hover .name-char {
    display: inline-block;
}

.hero-name-hover::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent2), var(--accent), var(--accent2));
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(.23, 1, .32, 1);
    border-radius: 2px;
}

.hero-name-hover:hover::after {
    transform: scaleX(1);
}

@keyframes charWave {

    0%,
    100% {
        transform: translateY(0) scale(1);
        color: inherit;
    }

    50% {
        transform: translateY(-4px) scale(1.02);
        color: var(--accent);
        text-shadow: 0 4px 12px rgba(88, 166, 255, 0.4);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--accent2);
    letter-spacing: 0.04em;
    margin-bottom: 2rem;
    visibility: hidden;
    opacity: 0;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent2);
    border-radius: 50%;
}

h1 {
    font-family: var(--display);
    font-size: clamp(2.4rem, 6vw, 6.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--white);
    margin-bottom: 1.5rem;
    visibility: hidden;
    opacity: 0;
}

h1 .accent {
    color: var(--accent);
}

.hero-sub {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--muted);
    max-width: 520px;
    margin-bottom: 2.5rem;
    visibility: hidden;
    opacity: 0;
}

.hero-sub strong {
    color: var(--text);
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.25rem;
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #0d1117;
}

.btn-primary:hover {
    background: #79c0ff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.25);
}



.scroll-ind {
    position: absolute;
    bottom: 2rem;
    left: 3rem;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    visibility: hidden;
    opacity: 0;
}

.scroll-ind::after {
    content: '';
    width: 40px;
    height: 1px;
    background: linear-gradient(to right, var(--border), transparent);
}

section {
    position: relative;
}

.sec {
    padding: 6rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sec-eyebrow {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

h2 {
    font-family: var(--display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 3rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: start;
}

.about-body p {
    font-size: 0.9rem;
    line-height: 1.85;
    color: var(--muted);
    margin-bottom: 1rem;
}

.about-body p strong {
    color: var(--text);
    font-weight: 400;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 2.5rem;
}

.stat {
    background: var(--surface);
    padding: 1.25rem 1.5rem;
}

.stat-n {
    font-family: var(--display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-n span {
    color: var(--accent);
}

.stat-l {
    font-size: 0.68rem;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.tech-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.25rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding: 0.9rem 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    cursor: default;
}

.tech-item:hover {
    border-color: rgba(88, 166, 255, 0.3);
    background: rgba(88, 166, 255, 0.05);
    transform: translateY(-3px);
}

.tech-item img {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.tech-name {
    font-size: 0.55rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

#projects {
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.projects-outer {
    padding: 0;
    width: 100%;
}

.projects-header {
    padding: 0 3rem;
    max-width: 1100px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.drag-hint {
    font-size: 0.72rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.drag-hint svg {
    opacity: 0.5;
}

.track-wrap {
    overflow: hidden;
    width: 100%;
}

.track {
    display: flex;
    gap: 1.25rem;
    padding: 1rem 3rem 3rem;
    width: max-content;
    will-change: transform;
}

.track::after {
    content: '';
    display: block;
    width: 3rem;
    flex-shrink: 0;
}

.pcard {
    width: 360px;
    flex-shrink: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.25s;
    transform-style: preserve-3d;
    cursor: default;
}

.pcard.wide {
    width: 480px;
}

.pcard:hover {
    border-color: rgba(88, 166, 255, 0.3);
}

.pcard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(88, 166, 255, 0.6), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.pcard:hover::before {
    opacity: 1;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-tag {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.22rem 0.6rem;
    border-radius: 4px;
}

.tag-ai {
    color: var(--accent2);
    background: rgba(63, 185, 80, 0.1);
}

.tag-sec {
    color: var(--accent3);
    background: rgba(247, 129, 102, 0.1);
}

.tag-hw {
    color: #d2a8ff;
    background: rgba(210, 168, 255, 0.1);
}

.tag-med {
    color: #ffa657;
    background: rgba(255, 166, 87, 0.1);
}

.tag-net {
    color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

.card-stars {
    font-size: 0.68rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-stars svg {
    color: #e3b341;
}

.card-title {
    font-family: var(--display);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
    transition: color 0.2s;
}

.pcard:hover .card-title {
    color: var(--accent);
}

.card-desc {
    font-size: 0.8rem;
    line-height: 1.75;
    color: var(--muted);
    margin-bottom: 1.25rem;
}

.card-term {
    background: #010409;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem 0.9rem;
    font-size: 0.72rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.card-term .p {
    color: var(--accent2);
}

.card-term .c {
    color: var(--white);
}

.card-term .o {
    color: rgba(88, 166, 255, 0.7);
}

.card-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.pill {
    font-size: 0.62rem;
    font-weight: 400;
    padding: 0.18rem 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: gap 0.2s, opacity 0.2s;
}

.card-link:hover {
    gap: 0.6rem;
    opacity: 0.8;
}

.card-link svg {
    width: 12px;
    height: 12px;
}

.exp-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.exp-row {
    display: grid;
    grid-template-columns: 9rem 1fr;
    gap: 2rem;
    padding: 2rem 0.5rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
    border-radius: 4px;
    margin: 0 -0.5rem;
}

.exp-row:first-child {
    border-top: 1px solid var(--border);
}

.exp-row:hover {
    background: rgba(88, 166, 255, 0.03);
}

.exp-date {
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    padding-top: 0.2rem;
    font-weight: 400;
}

.exp-role {
    font-family: var(--display);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 0.2rem;
}

.exp-co {
    font-size: 0.72rem;
    color: var(--accent2);
    letter-spacing: 0.06em;
    margin-bottom: 0.6rem;
    font-weight: 400;
}

.exp-desc {
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--muted);
}

.exp-intel-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(0, 113, 197, 0.08);
    border: 1px solid rgba(0, 113, 197, 0.25);
    border-radius: 6px;
    padding: 0.3rem 0.65rem;
    margin-bottom: 0.6rem;
}

.exp-intel-badge svg {
    width: 38px;
    height: 14px;
}

.exp-intel-badge span {
    font-size: 0.62rem;
    color: rgba(0, 113, 197, 0.9);
    letter-spacing: 0.08em;
    font-weight: 500;
}

footer {
    border-top: 1px solid var(--border);
    padding: 5rem 3rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
}

.foot-cta h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    line-height: 1.05;
}

.foot-cta h2 .accent {
    color: var(--accent);
}

.foot-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    padding-top: 0.5rem;
}

.foot-links a {
    font-size: 0.72rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.06em;
    transition: color 0.2s;
}

.foot-links a:hover {
    color: var(--white);
}

.copy {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 3rem 2.5rem;
    font-size: 0.65rem;
    color: rgba(201, 209, 217, 0.2);
    letter-spacing: 0.04em;
    border-top: 1px solid var(--border);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.2rem;
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-icon:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-icon.github-btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-icon.email-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-icon.linkedin-btn:hover {
    border-color: rgba(10, 102, 194, 0.6);
    color: #0a66c2;
    background: rgba(10, 102, 194, 0.08);
}

.reveal,
.slide-left,
.slide-right,
.scale-in {
    opacity: 0;
    visibility: hidden;
}

@media (max-width: 900px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 260px;
        background: rgba(7, 9, 15, 0.97);
        backdrop-filter: blur(20px);
        border-left: 1px solid var(--border);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 3rem 2rem;
        gap: 1.75rem;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(.23, 1, .32, 1);
        z-index: 150;
    }

    nav ul.open {
        transform: translateX(0);
    }

    nav ul a {
        font-size: 1.1rem;
        color: var(--text);
    }

    #home {
        padding: 5rem 1.5rem 3rem;
        min-height: 100svh;
    }

    h1 {
        font-size: clamp(2rem, 8vw, 3.5rem);
        line-height: 1.1;
    }

    .hero-sub {
        font-size: 0.9rem;
    }

    .scroll-ind {
        display: none;
    }

    .sec {
        padding: 4rem 1.5rem;
    }

    h2 {
        margin-bottom: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .projects-outer {
        padding: 0;
    }

    .projects-header {
        padding: 0 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        margin-bottom: 2rem;
    }

    .drag-hint {
        margin-top: 0.25rem;
    }

    .track-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .track-wrap::-webkit-scrollbar {
        height: 3px;
    }

    .track-wrap::-webkit-scrollbar-thumb {
        background: rgba(88, 166, 255, 0.35);
        border-radius: 2px;
    }

    .track {
        padding: 0.5rem 1.5rem 2rem;
        gap: 1rem;
    }

    .track::after {
        width: 3rem;
    }

    .pcard {
        width: 290px;
    }

    .pcard.wide {
        width: 310px;
    }

    .exp-row {
        grid-template-columns: 1fr;
        gap: 0.35rem;
        padding: 1.5rem 0.5rem;
    }

    .exp-date {
        padding-top: 0;
        color: var(--accent);
    }

    footer {
        flex-direction: column;
        padding: 3rem 1.5rem 2rem;
        gap: 2rem;
    }

    .foot-links {
        align-items: flex-start;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.6rem 1.25rem;
    }

    .copy {
        padding: 1.25rem 1.5rem 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: clamp(1.9rem, 9vw, 2.6rem);
    }

    .hero-badge {
        font-size: 0.65rem;
        text-align: center;
    }

    .hero-sub {
        font-size: 0.85rem;
    }

    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }

    .tech-item {
        padding: 0.7rem 0.3rem;
    }

    .pcard {
        width: 270px;
        padding: 1.25rem;
    }

    .pcard.wide {
        width: 290px;
    }

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

    .btn-icon {
        padding: 0.6rem 0.9rem;
        font-size: 0.72rem;
    }
}

.contrib-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem 1.75rem 1.25rem;
}

.contrib-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.contrib-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.contrib-count {
    font-size: 0.7rem;
    color: var(--accent2);
    letter-spacing: 0.04em;
}

.contrib-canvas-wrap {
    position: relative;
    width: 100%;
}

#contribCanvas {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.contrib-tooltip {
    position: absolute;
    background: rgba(13, 17, 23, 0.95);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.7rem;
    font-size: 0.68rem;
    color: var(--text);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    white-space: nowrap;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.contrib-legend {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 0.75rem;
    justify-content: flex-end;
}

.leg-cell {
    width: 11px;
    height: 11px;
    border-radius: 3px;
    display: inline-block;
}

@media (max-width: 600px) {
    .contrib-wrap {
        padding: 1rem;
    }
}

.copy-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    pointer-events: none;
}

.copy-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.copy-toast svg {
    color: var(--accent2);
}