:root {
    --void: #08090b;
    --void-elevated: #0d0f12;
    --surface: #111419;
    --surface-light: #15181d;

    --border: #272b31;
    --border-light: #343941;

    --text: #a8adb5;
    --text-dim: #666c75;
    --text-bright: #e8eaed;

    --signal-active: #c9d0d8;
    --signal-error: #b85d5d;

    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --container: 1180px;
}


/* =========================================================
   BASE
========================================================= */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--void);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.65;
}

button,
a {
    font-family: inherit;
}

button {
    color: inherit;
}

a {
    color: inherit;
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin-inline: auto;
}

.mono {
    font-family: var(--font-mono);
}


/* =========================================================
   BACKGROUND
========================================================= */

.bg-field {
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;

    background:
        linear-gradient(
            rgba(255,255,255,0.012) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,0.012) 1px,
            transparent 1px
        );

    background-size: 48px 48px;
}

#ambient-canvas {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    opacity: 0.18;
}


/* SYSTEMS HUB PANEL */
.systems-hub-panel {
    background: var(--void-elevated);
    border: 1px solid var(--border);
    padding: 24px;
    margin-top: 16px;
}

.systems-hub-panel p {
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 24px;
}

.hub-item {
    margin-bottom: 16px;
    border-left: 2px solid var(--border-light);
    padding-left: 16px;
}

.hub-item strong {
    display: block;
    font-size: 13px;
    color: var(--text-bright);
    letter-spacing: 0.1em;
}

.hub-item p {
    margin: 0;
    font-size: 12px;
}

.hub-link {
    display: block;
    margin-top: 24px;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    color: var(--text-bright);
    text-align: center;
    text-decoration: none;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    transition: all 0.2s ease;
}

.hub-link:hover {
    background: var(--border);
    border-color: var(--text-dim);
}


/* =========================================================
   HEADER
========================================================= */

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

.glass {
    background: rgba(8, 9, 11, 0.88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    text-decoration: none;
    color: var(--text-bright);
}

.brand-name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
}

.brand-tag {
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.14em;
    margin-top: 2px;
}

.domain-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    border: 0;
    background: transparent;
    color: var(--text-dim);
    padding: 10px 14px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-bright);
}


/* =========================================================
   DOMAIN SWITCHING
========================================================= */

.domain-surface {
    display: none;
}

.domain-surface.active {
    display: block;
}


/* =========================================================
   COMMON SECTION MARKER
========================================================= */

.section-marker {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-bottom: 34px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.18em;
}

.section-marker span {
    color: var(--text-bright);
}


/* =========================================================
   AEOWUN HERO
========================================================= */

.aeowun-hero {
    min-height: 610px;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding-top: 110px;
    padding-bottom: 110px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-bottom: 20px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
}

.eyebrow-line {
    width: 32px;
    height: 1px;
    background: var(--border-light);
}

.hero-status {
    width: fit-content;

    margin-bottom: 20px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
}

.status-dot {
    display: inline-block;

    width: 6px;
    height: 6px;

    margin-right: 8px;

    border-radius: 50%;
    background: var(--signal-active);
}

.aeowun-hero h1 {
    margin: 0;

    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 0.9;
    letter-spacing: -0.06em;
    font-weight: 500;
}

.aeowun-lead {
    max-width: 780px;

    margin: 34px 0 0;

    color: var(--text);
    font-size: 1.35rem;
    line-height: 1.65;
}

.aeowun-lead strong {
    color: var(--text-bright);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 42px;
}

.primary-action,
.secondary-action {
    padding: 12px 18px;

    border: 1px solid var(--border-light);
    background: transparent;

    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;

    cursor: pointer;
}

.primary-action {
    background: var(--text-bright);
    border-color: var(--text-bright);
    color: var(--void);
}

.secondary-action {
    color: var(--text);
}

.primary-action:hover {
    background: #ffffff;
}

.secondary-action:hover {
    border-color: var(--text);
    color: var(--text-bright);
}


/* =========================================================
   AEOWUN SYSTEM
========================================================= */

.aeowun-system {
    padding-bottom: 150px;
}

.aeowun-introduction {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 80px;

    padding-bottom: 90px;

    border-bottom: 1px solid var(--border);
}

.system-label {
    display: block;

    margin-bottom: 14px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
}

.aeowun-copy h2 {
    max-width: 600px;

    margin: 0 0 28px;

    color: var(--text-bright);

    font-size: clamp(2.5rem, 5vw, 4.4rem);
    line-height: 1.05;
    font-weight: 400;
    letter-spacing: -0.04em;
}

.aeowun-copy h2 span {
    color: var(--text-dim);
}

.aeowun-copy p {
    max-width: 650px;
}

.large-copy {
    color: var(--text-bright);
    font-size: 1.15rem;
}

.aeowun-copy strong {
    color: var(--text-bright);
    font-weight: 500;
}


/* =========================================================
   AEOWUN IDENTITY PANEL
========================================================= */

.aeowun-identity-panel {
    align-self: start;

    border: 1px solid var(--border);
    background: var(--void-elevated);
}

.identity-header,
.identity-footer {
    display: flex;
    justify-content: space-between;

    padding: 14px 18px;

    border-bottom: 1px solid var(--border);

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
}

.identity-footer {
    border-top: 1px solid var(--border);
    border-bottom: 0;
}

.identity-statement {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding: 42px 30px;
}

.identity-big {
    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 1.7rem;
    letter-spacing: 0.05em;
}

.identity-arrow {
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.identity-description {
    padding: 0 30px 38px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 2;
}


/* =========================================================
   PRINCIPLES
========================================================= */

.system-principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;

    margin-top: 42px;

    border: 1px solid var(--border);
    background: var(--border);
}

.system-principles > div {
    padding: 22px;

    background: var(--void);
}

.system-principles span {
    display: block;

    margin-bottom: 20px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.58rem;
}

.system-principles strong {
    display: block;

    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}

.system-principles p {
    margin: 10px 0 0;

    color: var(--text-dim);
    font-size: 0.78rem;
}


/* =========================================================
   ARCHITECTURE
========================================================= */

.architecture-section {
    padding-top: 90px;
}

.architecture-heading {
    display: flex;
    justify-content: space-between;
    gap: 40px;

    margin-bottom: 40px;
}

.architecture-heading h3 {
    margin: 0;

    color: var(--text-bright);

    font-size: 1.8rem;
    font-weight: 400;
}

.architecture-heading p {
    max-width: 360px;

    margin: 0;

    color: var(--text-dim);
    font-size: 0.82rem;
}


/* Horizontal architecture.
   No SVG. Text cannot overlap. */

.architecture-flow {
    display: flex;
    align-items: stretch;

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.architecture-node {
    position: relative;

    flex: 1;

    min-height: 170px;

    padding: 26px 18px;

    background: var(--void-elevated);

    border-right: 1px solid var(--border);
}

.architecture-node:last-child {
    border-right: 0;
}

.architecture-node::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: 0;

    width: 100%;
    height: 2px;

    background: transparent;
}

.architecture-node:hover::after {
    background: var(--text-bright);
}

.node-index {
    display: block;

    margin-bottom: 32px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.58rem;
}

.architecture-node strong {
    display: block;

    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}

.architecture-node small {
    display: block;

    margin-top: 12px;

    color: var(--text-dim);

    font-size: 0.72rem;
    line-height: 1.5;
}

.architecture-connector {
    display: none;
}

.evidence-node {
    background: #101318;
}


/* =========================================================
   TECHNOLOGY STRIP
========================================================= */

.technology-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);

    margin-top: 1px;

    border: 1px solid var(--border);
}

.technology-strip > div {
    padding: 20px;

    border-right: 1px solid var(--border);
}

.technology-strip > div:last-child {
    border-right: 0;
}

.technology-strip span {
    display: block;

    margin-bottom: 8px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.12em;
}

.technology-strip strong {
    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 400;
}


/* =========================================================
   SECONDARY SYSTEMS
========================================================= */

.secondary-systems {
    padding-bottom: 150px;
}

.secondary-heading {
    display: flex;
    justify-content: space-between;
    gap: 40px;

    margin-bottom: 42px;
}

.secondary-heading h2 {
    margin: 0;

    color: var(--text-bright);

    font-size: 2rem;
    font-weight: 400;
}

.secondary-heading p {
    max-width: 430px;

    margin: 0;

    color: var(--text-dim);
    font-size: 0.85rem;
}

.project-list {
    border-top: 1px solid var(--border);
}

.project-row {
    display: grid;
    grid-template-columns: 80px 1fr;

    padding: 34px 0;

    border-bottom: 1px solid var(--border);
}

.project-number {
    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.62rem;
}

.project-title {
    display: flex;
    align-items: center;
    gap: 16px;
}

.project-title h3 {
    margin: 0;

    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 1rem;
    letter-spacing: 0.08em;
    font-weight: 400;
}

.project-status {
    padding: 4px 7px;

    border: 1px solid var(--border);

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.5rem;
    letter-spacing: 0.08em;
}

.project-main p {
    max-width: 760px;

    margin: 14px 0 18px;

    color: var(--text);
    font-size: 0.88rem;
}

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

.project-tags span {
    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.53rem;
    letter-spacing: 0.08em;
}


/* =========================================================
   ENGINEERING
========================================================= */

.engineering-hero {
    padding-top: 110px;
    padding-bottom: 80px;
}

.engineering-hero h2,
.about-hero h2 {
    margin: 0;

    color: var(--text-bright);

    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 400;
    letter-spacing: -0.05em;
    line-height: 1;
}

.engineering-hero p {
    max-width: 680px;

    margin-top: 28px;

    font-size: 1rem;
    color: var(--text);
}


/* =========================================================
   EVIDENCE CARDS
========================================================= */

.evidence-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;

    background: var(--border);

    border: 1px solid var(--border);
}

.evidence-card {
    padding: 34px;

    background: var(--void);
}

.evidence-index {
    display: block;

    margin-bottom: 30px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.6rem;
}

.evidence-title span {
    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.12em;
}

.evidence-title h3 {
    margin: 7px 0 20px;

    color: var(--text-bright);

    font-size: 1.35rem;
    font-weight: 400;
}

.evidence-card > p {
    min-height: 120px;

    color: var(--text-dim);
    font-size: 0.82rem;
}

pre {
    margin: 28px 0 0;
    padding: 20px;

    overflow-x: auto;

    background: #0b0d10;
    border: 1px solid var(--border);

    color: #a9afb7;

    font-family: var(--font-mono);
    font-size: 0.65rem;
    line-height: 1.7;
}


/* =========================================================
   INCIDENTS
========================================================= */

.incident-section {
    padding-top: 100px;
    padding-bottom: 150px;
}

.incident-list {
    border-top: 1px solid var(--border);
}

.incident-list article {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 50px;

    padding: 28px 0;

    border-bottom: 1px solid var(--border);
}

.incident-heading span {
    display: block;

    color: var(--text-bright);

    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
}

.incident-heading small {
    display: block;

    margin-top: 7px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.52rem;
}

.incident-list p {
    margin: 0;

    color: var(--text-dim);
    font-size: 0.82rem;
}


/* =========================================================
   ABOUT
========================================================= */

.about-hero {
    padding-top: 110px;
    padding-bottom: 90px;
}

.about-hero > p {
    max-width: 700px;

    margin-top: 30px;

    font-size: 1.05rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;

    padding-bottom: 150px;
}

.timeline {
    border-top: 1px solid var(--border);
}

.timeline-item {
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 15px;

    padding: 22px 0;

    border-bottom: 1px solid var(--border);
}

.timeline-item > span {
    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.58rem;
}

.timeline-item strong {
    display: block;

    color: var(--text-bright);

    font-size: 0.82rem;
    font-weight: 400;
}

.timeline-item small {
    display: block;

    margin-top: 5px;

    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.58rem;
}

.about-column > p {
    max-width: 600px;
}

.resume-button {
    display: inline-block;

    margin-top: 20px;
    padding: 12px 16px;

    border: 1px solid var(--border-light);

    color: var(--text-bright);

    text-decoration: none;

    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
}

.resume-button:hover {
    background: var(--text-bright);
    color: var(--void);
}


/* =========================================================
   FOOTER
========================================================= */

footer {
    border-top: 1px solid var(--border);
}

.footer-inner {
    min-height: 100px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.footer-copy {
    color: var(--text-dim);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-dim);

    font-family: var(--font-mono);
    font-size: 0.6rem;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--text-bright);
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 900px) {

    .aeowun-introduction {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .architecture-flow {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .architecture-node {
        border-bottom: 1px solid var(--border);
    }

    .technology-strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .technology-strip > div:nth-child(2) {
        border-right: 0;
    }

    .technology-strip > div {
        border-bottom: 1px solid var(--border);
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 70px;
    }
}


@media (max-width: 650px) {

    .container {
        width: min(var(--container), calc(100% - 30px));
    }

    .header-inner {
        min-height: 65px;
    }

    .domain-nav {
        gap: 0;
    }

    .nav-item {
        padding: 8px;
        font-size: 0.52rem;
    }

    .brand-tag {
        display: none;
    }

    .aeowun-hero {
        min-height: 540px;

        padding-top: 80px;
        padding-bottom: 80px;
    }

    .aeowun-lead {
        font-size: 1.05rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .system-principles {
        grid-template-columns: 1fr;
    }

    .architecture-heading,
    .secondary-heading {
        flex-direction: column;
    }

    .architecture-flow {
        grid-template-columns: 1fr;
    }

    .architecture-node {
        min-height: auto;
        border-right: 0;
    }

    .technology-strip {
        grid-template-columns: 1fr;
    }

    .technology-strip > div,
    .technology-strip > div:nth-child(2) {
        border-right: 0;
    }

    .project-row {
        grid-template-columns: 45px 1fr;
    }

    .project-title {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .incident-list article {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 25px 0;
    }
}