:root {
    --bg: #07111f;
    --surface: #0b1829;
    --surface-soft: #0e1e33;
    --text: #f4f8ff;
    --muted: #9eb0c8;
    --line: rgba(158, 176, 200, 0.18);
    --accent: #51e6b3;
    --accent-strong: #26c996;
    --blue: #6ca8ff;
    --max-width: 1160px;
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;
}

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

.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 17, 31, 0.82);
    backdrop-filter: blur(18px);
}

.nav {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.brand span,
.hero h1 span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-links a,
.quick-links a,
.text-link {
    transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.quick-links a:hover,
.quick-links a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
    color: var(--accent);
}

.nav-cta {
    padding: 9px 15px;
    border: 1px solid rgba(81, 230, 179, 0.42);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

.hero {
    position: relative;
    min-height: calc(100vh - 76px);
    display: grid;
    align-items: center;
    overflow: hidden;
    padding: 100px 0;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
    align-items: center;
    gap: 76px;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.24;
    pointer-events: none;
}

.hero-glow-one {
    width: 460px;
    height: 460px;
    top: -180px;
    right: -120px;
    background: radial-gradient(circle, rgba(81, 230, 179, 0.65), transparent 68%);
}

.hero-glow-two {
    width: 380px;
    height: 380px;
    bottom: -200px;
    left: -150px;
    background: radial-gradient(circle, rgba(108, 168, 255, 0.55), transparent 68%);
}

.eyebrow,
.section-label,
.project-type {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 22px;
    letter-spacing: 0.08em;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(81, 230, 179, 0.12);
}

h1,
h2,
h3 {
    margin-top: 0;
    font-family: "Space Grotesk", sans-serif;
    line-height: 1.12;
    letter-spacing: -0.04em;
}

h1 {
    max-width: 820px;
    margin-bottom: 28px;
    font-size: clamp(3rem, 6.4vw, 5.8rem);
}

h2 {
    max-width: 710px;
    margin-bottom: 24px;
    font-size: clamp(2.2rem, 4vw, 3.7rem);
}

h3 {
    margin-bottom: 14px;
    font-size: 1.55rem;
}

.hero-intro,
.section-support,
.about-copy,
.project-card p,
.credential p,
.contact-card > p {
    color: var(--muted);
}

.hero-intro {
    max-width: 730px;
    margin: 0 0 34px;
    font-size: 1.08rem;
}

.hero-intro strong {
    color: var(--text);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    background: var(--accent);
    color: var(--bg);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: #71f0c4;
}

.button-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.02);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: rgba(81, 230, 179, 0.5);
}

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
    color: var(--muted);
    font-size: 0.82rem;
}

.hero-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(14, 30, 51, 0.95), rgba(8, 20, 35, 0.95));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 15px 18px;
    border-bottom: 1px solid var(--line);
}

.terminal-bar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #ff6b6b;
}

.terminal-bar span:nth-child(2) { background: #ffd166; }
.terminal-bar span:nth-child(3) { background: var(--accent); }

.terminal-bar p {
    margin: 0 0 0 8px;
    color: var(--muted);
    font-family: "Space Grotesk", monospace;
    font-size: 0.75rem;
}

.terminal-content {
    padding: 28px;
    font-family: "Space Grotesk", monospace;
    font-size: 0.87rem;
    line-height: 1.9;
}

.terminal-content p { margin: 0; }
.code-comment { color: #667c96; }
.code-key { color: var(--blue); }
.code-value { color: #d5b5ff; }
.code-indent { padding-left: 22px; }

.section {
    padding: 120px 0;
    border-top: 1px solid var(--line);
}

.section-tinted {
    background: var(--surface);
}

.section-label {
    margin: 0 0 20px;
}

.about-grid,
.skills-grid,
.credentials-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 90px;
}

.about-copy > p:first-child {
    margin-top: 0;
}

.principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 42px;
    border-top: 1px solid var(--line);
}

.principles div {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 16px 0 0;
}

.principles strong {
    color: var(--accent);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.78rem;
}

.principles span {
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 54px;
}

.section-heading h2 { margin-bottom: 0; }

.text-link {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.project-card {
    display: flex;
    min-height: 370px;
    flex-direction: column;
    justify-content: space-between;
    gap: 38px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-soft);
    transition: transform 200ms ease, border-color 200ms ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(81, 230, 179, 0.38);
}

.project-featured {
    background: linear-gradient(145deg, rgba(31, 83, 80, 0.58), var(--surface-soft) 60%);
}

.project-number {
    color: #59708c;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.82rem;
}

.project-type {
    margin: 0 0 10px !important;
    font-size: 0.7rem !important;
}

.project-card > a {
    color: var(--text);
    font-size: 0.86rem;
    font-weight: 700;
}

.project-card > a:hover,
.project-card > a:focus-visible {
    color: var(--accent);
}

.tags,
.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags span,
.skill-list span {
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #c4d1e1;
    font-size: 0.72rem;
}

.section-support {
    max-width: 580px;
}

.skill-groups {
    display: grid;
    gap: 34px;
}

.skill-group {
    padding-bottom: 30px;
    border-bottom: 1px solid var(--line);
}

.skill-group > p {
    margin: 0 0 18px;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
}

.skill-list span {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.02);
}

.credential-list {
    display: grid;
    gap: 14px;
}

.credential {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.025);
}

.credential span {
    display: block;
    margin-bottom: 8px;
    color: var(--accent);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.credential strong {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.05rem;
}

.credential p {
    margin: 6px 0 0;
    font-size: 0.84rem;
}

.credentials-grid .text-link {
    margin-top: 18px;
}

.contact-section {
    padding: 100px 0;
    border-top: 1px solid var(--line);
}

.contact-card {
    position: relative;
    overflow: hidden;
    padding: 74px;
    border: 1px solid rgba(81, 230, 179, 0.32);
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(33, 99, 88, 0.55), rgba(10, 27, 47, 0.95) 65%);
}

.contact-card::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    right: -120px;
    bottom: -170px;
    border-radius: 50%;
    background: rgba(81, 230, 179, 0.12);
}

.contact-card h2 {
    margin-bottom: 16px;
}

.contact-card > p {
    max-width: 660px;
    margin-bottom: 30px;
}

footer {
    padding: 32px 0;
    border-top: 1px solid var(--line);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #6f829a;
    font-size: 0.78rem;
}

.footer-content p { margin: 0; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

@media (max-width: 900px) {
    .nav-links { display: none; }
    .hero { min-height: auto; }
    .hero-grid,
    .about-grid,
    .skills-grid,
    .credentials-grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }
    .hero-card { max-width: 620px; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-card { min-height: 330px; }
}

@media (max-width: 620px) {
    .container { width: min(calc(100% - 28px), var(--max-width)); }
    .site-header { position: static; }
    .nav { min-height: 68px; }
    .nav-cta { padding: 8px 12px; font-size: 0.76rem; }
    .hero { padding: 76px 0 84px; }
    h1 { font-size: clamp(2.65rem, 14vw, 4rem); }
    .hero-intro { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .section { padding: 84px 0; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .principles { grid-template-columns: 1fr; }
    .principles div { flex-direction: row; align-items: center; }
    .project-card { min-height: 0; padding: 26px; }
    .contact-section { padding: 70px 0; }
    .contact-card { padding: 42px 26px; }
    .footer-content { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}

/* Interactive dashboard additions */

[hidden] {
    display: none !important;
}

body.menu-open {
    overflow: hidden;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
}

.menu-toggle span {
    width: 19px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -9px;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 180ms ease;
}

.nav-links a.active {
    color: var(--text);
}

.nav-links a.active::after {
    transform: scaleX(1);
}

.rotating-focus {
    display: inline-block;
    min-width: 230px;
    transition: opacity 180ms ease, transform 180ms ease;
}

.rotating-focus.changing {
    opacity: 0;
    transform: translateY(4px);
}

.build-status {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-family: "Inter", sans-serif;
    font-size: 0.72rem;
}

.build-status span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 5px rgba(81, 230, 179, 0.1);
    animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
    50% { box-shadow: 0 0 0 9px rgba(81, 230, 179, 0); }
}

.metrics {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 70px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(10, 25, 43, 0.74);
    backdrop-filter: blur(16px);
}

.metric {
    display: flex;
    min-height: 112px;
    flex-direction: column;
    justify-content: center;
    padding: 22px 28px;
    border-right: 1px solid var(--line);
}

.metric:last-child {
    border-right: 0;
}

.metric strong {
    color: var(--text);
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.8rem;
    line-height: 1.15;
}

.metric span {
    margin-top: 7px;
    color: var(--muted);
    font-size: 0.76rem;
}

.project-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 28px;
}

.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-button {
    padding: 9px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--muted);
    font: inherit;
    font-size: 0.76rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.filter-button:hover,
.filter-button:focus-visible {
    border-color: rgba(81, 230, 179, 0.55);
    color: var(--text);
}

.filter-button.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
}

.project-result {
    margin: 0;
    color: var(--muted);
    font-size: 0.76rem;
    white-space: nowrap;
}

.project-result strong {
    color: var(--accent);
}

.project-card:not([hidden]) {
    animation: card-in 260ms ease both;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.project-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.project-status {
    padding: 5px 9px;
    border: 1px solid rgba(81, 230, 179, 0.28);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.noscript-note {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--muted);
}

.noscript-note a {
    color: var(--accent);
}

.journey-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 90px;
}

.timeline {
    position: relative;
    display: grid;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 26px;
    left: 67px;
    width: 1px;
    background: var(--line);
}

.timeline article {
    position: relative;
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 20px;
    padding-bottom: 38px;
}

.timeline article::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 62px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--surface);
    border-radius: 50%;
    background: #58708d;
    box-shadow: 0 0 0 3px rgba(88, 112, 141, 0.18);
}

.timeline article > span {
    padding-top: 2px;
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.timeline h3 {
    margin-bottom: 8px;
    font-size: 1.12rem;
}

.timeline p {
    margin: 0;
    color: var(--muted);
    font-size: 0.86rem;
}

.timeline .timeline-current::before {
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(81, 230, 179, 0.12);
}

.timeline-current > span {
    color: var(--accent) !important;
}

.back-to-top {
    position: fixed;
    z-index: 15;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(81, 230, 179, 0.35);
    border-radius: 12px;
    background: rgba(11, 24, 41, 0.92);
    color: var(--accent);
    font-size: 1.15rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 180ms ease, transform 180ms ease;
    backdrop-filter: blur(12px);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

@media (max-width: 1050px) {
    .nav-links { gap: 20px; }
    .hero-grid { gap: 44px; }
    .metrics { grid-template-columns: repeat(2, 1fr); }
    .metric:nth-child(2) { border-right: 0; }
    .metric:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .nav-cta { display: none; }

    .nav-links {
        position: fixed;
        z-index: 25;
        top: 76px;
        right: 0;
        left: 0;
        display: flex;
        max-height: 0;
        overflow: hidden;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 0 20px;
        border-bottom: 1px solid transparent;
        background: rgba(7, 17, 31, 0.98);
        opacity: 0;
        transition: max-height 220ms ease, opacity 180ms ease, padding 220ms ease;
    }

    .nav-links.open {
        max-height: 440px;
        padding-block: 14px 20px;
        border-bottom-color: var(--line);
        opacity: 1;
    }

    .nav-links a {
        padding: 14px 4px;
        border-bottom: 1px solid var(--line);
    }

    .nav-links a:last-child { border-bottom: 0; }
    .nav-links a::after { display: none; }
    .journey-grid { grid-template-columns: 1fr; gap: 52px; }
    .project-toolbar { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
    .site-header { position: sticky; }
    .nav-links { top: 68px; }
    .metrics { grid-template-columns: 1fr 1fr; margin-top: 50px; }
    .metric { min-height: 96px; padding: 18px; }
    .metric strong { font-size: 1.5rem; }
    .project-filters { width: 100%; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; }
    .filter-button { flex: 0 0 auto; }
    .timeline::before { left: 47px; }
    .timeline article { grid-template-columns: 82px 1fr; }
    .timeline article::before { left: 42px; }
    .back-to-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
    .build-status span { animation: none; }
    .project-card:not([hidden]) { animation: none; }
}