:root {
    --bg: #0b0e14;
    --surface: #131b28;
    --border: #29384b;
    --text: #edf3fb;
    --muted: #9aa9bc;
    --accent: #75d4f5;
    --green: #82dfb0;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: radial-gradient(ellipse at top, #17263a, var(--bg) 65%);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    line-height: 1.6;
}

.site-shell {
    width: min(1100px, calc(100% - 40px));
    margin: auto;
}

.topbar {
    min-height: 85px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: .1em;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 9px;
    font-size: 1.2rem;
}

.brand-light {
    color: var(--muted);
    font-weight: 500;
}

.system-status {
    color: var(--muted);
    font-size: .7rem;
    letter-spacing: .1em;
}

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    margin-right: 7px;
}

.hero {
    min-height: 400px;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
    gap: 35px;
    padding: 55px 0;
}

.eyebrow {
    color: var(--accent);
    font-size: .7rem;
    font-weight: 750;
    letter-spacing: .15em;
}

.hero h1 {
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    letter-spacing: -.06em;
    line-height: 1.12;
    margin: 15px 0;
}

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

.hero-description,
.section-description,
.project-description,
.about-strip p:not(.eyebrow) {
    color: var(--muted);
}

.hero-description {
    max-width: 480px;
    margin: 22px 0;
}

.explore-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-weight: 650;
}

.hero-art {
    min-height: 290px;
    position: relative;
    display: grid;
    place-items: center;
}

.orbit {
    position: absolute;
    aspect-ratio: 1;
    border: 1px solid rgba(117, 212, 245, .2);
    border-radius: 50%;
}

.orbit-one { width: 130px; }
.orbit-two { width: 205px; }
.orbit-three {
    width: 280px;
    border-style: dashed;
    opacity: .6;
}

.core {
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent);
    border-radius: 24px;
    background: #142338;
    box-shadow: 0 0 50px rgba(117, 212, 245, .12);
}

.core-letter {
    color: var(--accent);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.core-caption {
    margin-top: 8px;
    color: var(--muted);
    font-size: .5rem;
    letter-spacing: .15em;
}

.node {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 2px solid var(--accent);
    background: var(--bg);
    border-radius: 50%;
}

.node-one { top: 15%; left: 25%; }
.node-two { top: 25%; right: 12%; }
.node-three { bottom: 15%; right: 25%; }
.node-four { bottom: 25%; left: 12%; }

.projects-section {
    border-top: 1px solid var(--border);
    padding: 40px 0 65px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 25px;
    margin-bottom: 25px;
}

.section-heading h2,
.about-strip h2 {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2rem);
    letter-spacing: -.04em;
}

.section-description {
    margin-bottom: 0;
}

.project-count {
    text-align: right;
}

.count-number {
    display: block;
    color: var(--accent);
    font-size: 1.7rem;
    font-weight: 750;
}

.count-label {
    color: var(--muted);
    font-size: .6rem;
    letter-spacing: .1em;
}

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

.project-card {
    display: flex;
    flex-direction: column;
    min-height: 260px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: linear-gradient(145deg, #151e2d, #101620);
    transition: border-color .2s, transform .2s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.card-topline {
    display: flex;
    justify-content: flex-end;
}

.card-status {
    color: var(--muted);
    font-size: .7rem;
}

.project-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin: 22px 0 15px;
    border: 1px solid rgba(117, 212, 245, .25);
    border-radius: 10px;
    background: rgba(117, 212, 245, .08);
    color: var(--accent);
    font-size: 1.5rem;
}

.project-card h3 {
    margin: 0;
    font-size: 1.35rem;
}

.project-description {
    margin: 8px 0 20px;
    font-size: .9rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.coming-soon {
    color: var(--muted);
    font-size: .8rem;
}

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

.about-strip {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 55px;
    padding: 25px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #111722;
}

.about-symbol {
    color: var(--accent);
    font-size: 3rem;
    font-weight: 800;
}

.about-strip .eyebrow {
    margin-bottom: 5px;
}

.about-strip p:not(.eyebrow) {
    margin-bottom: 0;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: .8rem;
}

.footer-brand {
    color: var(--text);
    font-weight: 800;
    letter-spacing: .1em;
    text-decoration: none;
}

@media (max-width: 760px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-art {
        min-height: 260px;
    }

    .orbit-three { width: 245px; }
    .orbit-two { width: 185px; }

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

@media (max-width: 480px) {
    .site-shell {
        width: calc(100% - 30px);
    }

    .system-status {
        max-width: 110px;
        text-align: right;
    }

    .section-heading {
        align-items: flex-start;
    }

    .about-strip {
        align-items: flex-start;
        gap: 15px;
    }

    .about-symbol {
        font-size: 2.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}