:root {
    color-scheme: dark;
    --bg: #050914;
    --bg-soft: #0b1221;
    --bg-elevated: rgba(255, 255, 255, 0.04);
    --text: #f8fafc;
    --muted: #98a2b3;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #ff8c37;
    --accent-soft: rgba(255, 140, 55, 0.12);
    --accent-2: #9da6ff;
    --card-radius: 1.6rem;
    --shell-width: min(1200px, 90vw);
    --shadow: 0 15px 60px rgba(0, 0, 0, 0.45);
    --font-sans: "Space Grotesk", "General Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    background:
        radial-gradient(circle at 16% 22%, rgba(255, 140, 55, 0.08), transparent 45%),
        radial-gradient(circle at 74% 18%, rgba(157, 166, 255, 0.05), transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(255, 140, 55, 0.04), transparent 55%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

img {
    max-width: 100%;
    display: block;
    border-radius: 1.2rem;
}

a {
    color: inherit;
}

p {
    margin: 0 0 1rem;
}

h1,
h2,
h3,
h4 {
    margin: 0 0 0.6rem;
    line-height: 1.2;
}

.page-shell {
    width: var(--shell-width);
    margin: 0 auto;
    padding: 4rem 0 6rem;
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    color: var(--accent-2);
    margin-bottom: 0.75rem;
}

.lede {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 60ch;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
    background: linear-gradient(145deg, var(--accent), #ffad5b);
    color: #0b1221;
}

.btn.ghost {
    border-color: var(--border);
    color: var(--text);
    background: transparent;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.inline-link {
    color: var(--accent-2);
    text-decoration: none;
    font-weight: 600;
}

.inline-link:hover {
    text-decoration: underline;
}

.section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    flex-wrap: wrap;
}

.stack {
    display: flex;
    flex-direction: column;
}

.stack.gap-lg {
    gap: 2.5rem;
}

.stack.gap-md {
    gap: 1.5rem;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-grid.compact {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.stat-card {
    padding: 1.8rem;
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(12px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--muted);
}

.stat-hint {
    color: var(--muted);
    margin: 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.6rem;
}

.project-card {
    background: var(--bg-soft);
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 100%;
}

.project-card-media {
    position: relative;
    overflow: hidden;
}

.project-card-media img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 0;
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(5, 9, 20, 0.7);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.15rem 0.8rem;
    font-size: 0.75rem;
}

.project-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.tags span {
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.3rem 0.75rem;
    font-size: 0.85rem;
}

.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chip {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: transparent;
    color: var(--text);
    padding: 0.5rem 1.2rem;
    cursor: pointer;
    font-weight: 500;
}

.chip.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.chip.tiny {
    padding: 0.25rem 0.7rem;
    font-size: 0.75rem;
}

.now-card {
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(255, 140, 55, 0.08), rgba(157, 166, 255, 0.08));
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.now-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.now-label {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
}

.timeline-list.full {
    grid-template-columns: 1fr;
}

.timeline-card {
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    min-height: 200px;
}

.timeline-year {
    color: var(--accent-2);
    font-weight: 600;
}

.cta-card {
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(5, 9, 20, 0.85);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
    z-index: 20;
}

.nav-shell {
    width: var(--shell-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.brand {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    font-weight: 600;
}

.brand-sub {
    font-size: 0.8rem;
    color: var(--muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
}

.nav-links .pill {
    background: var(--accent);
    color: #0b1221;
    font-weight: 600;
}

.ghost-link {
    border: 1px dashed transparent;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
}

.site-footer {
    margin-top: auto;
    padding: 4rem 0;
    background: #04060f;
    border-top: 1px solid var(--border);
}

.footer-grid {
    width: var(--shell-width);
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--muted);
}

.footer-meta {
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
}

.project-hero {
    margin-top: 1rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    color: var(--muted);
}

.project-meta span {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.25rem 0.9rem;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.project-hero-media img {
    width: 100%;
    height: auto;
}

.project-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-section {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.8rem;
    background: rgba(255, 255, 255, 0.02);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.project-media {
    display: grid;
    gap: 1rem;
}

.project-media figure {
    margin: 0;
    border-radius: 1.2rem;
    overflow: hidden;
    max-height: 360px;
}

.project-media figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-video-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.project-video-grid video {
    width: 100%;
    max-height: 360px;
    border-radius: 1rem;
    object-fit: cover;
    background: #000;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.contact-hero {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(157, 166, 255, 0.08), rgba(255, 140, 55, 0.05));
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.contact-card {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.contact-card a {
    text-decoration: none;
    font-weight: 600;
}

.contact-label {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    color: var(--muted);
}

.about-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
}

.about-card {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    background: var(--bg-soft);
    text-align: center;
}

.about-card img {
    width: 100%;
    border-radius: var(--card-radius);
    margin-bottom: 0.5rem;
}

.caption {
    color: var(--muted);
    font-size: 0.85rem;
}

.skills-grid {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
}

.skills-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.skills-columns ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    color: var(--muted);
}

.cv-hero {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cv-hero img {
    width: 180px;
    border-radius: var(--card-radius);
}

.cv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.cv-grid article {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
}

.cv-grid ul {
    padding-left: 1.2rem;
    color: var(--muted);
}

.tree-wrapper {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    position: relative;
    background: #000;
    padding: 1rem;
}

#treeCanvas {
    width: 100%;
    height: 520px;
    display: block;
    border-radius: calc(var(--card-radius) - 1rem);
    background: #000;
}

.tree-tooltip {
    position: fixed;
    background: rgba(5, 9, 20, 0.9);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.8rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.tree-tooltip.visible {
    opacity: 1;
}

.now-page {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
}

.contact-card button {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    cursor: pointer;
}

.not-found {
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 3rem;
}

@media (max-width: 1024px) {
    .page-shell {
        padding: 3.2rem 0 4.5rem;
    }

    .project-card-media img {
        height: 200px;
    }

    .project-section {
        gap: 1.2rem;
    }

    .cta-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
    }

    .cv-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        text-align: center;
        align-items: center;
    }

    .hero-actions {
        width: 100%;
        justify-content: center;
    }

    .stat-grid,
    .project-grid,
    .timeline-list,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .project-section {
        grid-template-columns: 1fr;
    }

    .project-card-media img {
        height: 190px;
    }

    .about-hero,
    .cv-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cv-hero img {
        width: 140px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        align-items: center;
    }

    .cta-card {
        text-align: center;
        align-items: center;
    }
}

@media (max-width: 540px) {
    .page-shell {
        padding: 2.5rem 0 4rem;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .stat-card,
    .project-card,
    .timeline-card,
    .contact-card,
    .cv-grid article {
        padding: 1.2rem;
    }

    .project-card-media img {
        height: 170px;
    }

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

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        right: 5vw;
        background: rgba(5, 9, 20, 0.95);
        border: 1px solid var(--border);
        border-radius: 1rem;
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        min-width: 220px;
        transform-origin: top right;
        transform: scale(0.95);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .nav-links[data-open="true"] {
        opacity: 1;
        transform: scale(1);
        pointer-events: auto;
    }

    .nav-shell {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .page-shell {
        padding: 3rem 0 5rem;
    }

    .contact-card a {
        word-break: break-all;
    }
}