:root {
    --bg: #061321;
    --bg-deep: #020a12;

    --surface: #0b2033;
    --surface-2: #102a40;

    --blue: #26a7f2;
    --blue-light: #74d7ff;
    --blue-soft: #b8ebff;

    --yellow: #ffca2c;
    --orange: #ff9c13;

    --text: #f4fbff;
    --muted: #a5bfd0;

    --border: rgba(126, 211, 255, 0.18);
    --border-strong: rgba(126, 211, 255, 0.34);

    --max: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    color: var(--text);

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background:
        linear-gradient(
            180deg,
            #071828 0%,
            var(--bg) 46%,
            var(--bg-deep) 100%
        );

    line-height: 1.7;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}


/* NAV */

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

    background: rgba(2, 12, 21, 0.85);

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

    backdrop-filter: blur(18px);
}

.nav-shell {
    width: min(var(--max), calc(100% - 40px));
    min-height: 80px;

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 30px;
}

.mini-brand {
    display: flex;

    width: 112px;
    height: 64px;

    align-items: center;
}

.mini-brand img {
    width: 100%;
    max-height: 61px;

    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;

    gap: 27px;
}

.main-nav a {
    color: var(--muted);

    text-decoration: none;

    font-size: 0.9rem;
    font-weight: 750;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.main-nav a:hover {
    color: white;
    transform: translateY(-1px);
}

.main-nav .nav-archive {
    padding: 10px 17px;

    color: #03121e;

    border-radius: 10px;

    background:
        linear-gradient(
            135deg,
            var(--blue-light),
            var(--blue)
        );
}


/* HERO */

.hero {
    position: relative;

    min-height: calc(100vh - 80px);

    overflow: hidden;

    display: flex;
    align-items: center;

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

    background:
        radial-gradient(
            circle at 20% 30%,
            rgba(38, 167, 242, 0.15),
            transparent 34%
        ),
        radial-gradient(
            circle at 80% 30%,
            rgba(17, 102, 170, 0.14),
            transparent 32%
        );
}

.hero::after {
    content: "";

    position: absolute;
    inset: auto 0 0;

    height: 160px;

    background:
        linear-gradient(
            transparent,
            rgba(3, 13, 23, 0.75)
        );

    pointer-events: none;
}

.hero-shell {
    position: relative;
    z-index: 5;

    width: min(var(--max), calc(100% - 48px));

    margin: 0 auto;

    display: grid;
    grid-template-columns: minmax(350px, 0.95fr) minmax(420px, 1.05fr);

    align-items: center;

    gap: 60px;

    padding: 90px 0 130px;
}

.hero-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    width: min(100%, 570px);

    filter:
        drop-shadow(0 25px 38px rgba(0, 0, 0, 0.35))
        drop-shadow(0 0 42px rgba(61, 184, 255, 0.1));
}

.hero-copy {
    max-width: 650px;
}

.status-pill {
    display: inline-flex;
    align-items: center;

    gap: 9px;

    margin-bottom: 25px;
    padding: 8px 13px;

    color: var(--blue-soft);

    font-size: 0.75rem;
    font-weight: 800;

    letter-spacing: 0.06em;
    text-transform: uppercase;

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

    border-radius: 999px;

    background: rgba(15, 43, 65, 0.55);
}

.status-dot {
    width: 8px;
    height: 8px;

    border-radius: 50%;

    background: #57e58e;

    box-shadow:
        0 0 14px rgba(87, 229, 142, 0.85);
}

.hero h1 {
    margin: 0;

    font-size: clamp(3.2rem, 5.5vw, 5.9rem);

    line-height: 0.98;

    letter-spacing: -0.055em;
}

.hero h1 span {
    display: block;

    margin-top: 10px;

    color: var(--blue-light);
}

.hero-copy > p {
    margin: 30px 0 0;

    max-width: 630px;

    color: var(--muted);

    font-size: 1.12rem;

    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 14px;

    margin-top: 37px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;

    padding: 0 23px;

    border-radius: 12px;

    text-decoration: none;

    font-weight: 850;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.button:hover {
    transform: translateY(-3px);
}

.button-primary {
    color: #03121d;

    background:
        linear-gradient(
            135deg,
            var(--blue-light),
            var(--blue)
        );

    box-shadow:
        0 14px 35px rgba(38, 167, 242, 0.22);
}

.button-primary:hover {
    box-shadow:
        0 18px 45px rgba(38, 167, 242, 0.32);
}

.button-secondary {
    color: var(--text);

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

    background:
        rgba(255, 255, 255, 0.035);
}

.scroll-hint {
    position: absolute;
    z-index: 6;

    bottom: 25px;
    left: 50%;

    transform: translateX(-50%);

    display: flex;
    flex-direction: column;
    align-items: center;

    gap: 3px;

    color: var(--muted);

    text-decoration: none;

    font-size: 0.69rem;

    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.scroll-arrow {
    color: var(--blue-light);

    font-size: 1.3rem;
}

.hero-glow {
    position: absolute;

    border-radius: 50%;

    filter: blur(90px);

    pointer-events: none;
}

.hero-glow-one {
    width: 350px;
    height: 350px;

    left: -120px;
    top: 17%;

    background: rgba(0, 159, 255, 0.12);
}

.hero-glow-two {
    width: 450px;
    height: 450px;

    right: -170px;
    bottom: 5%;

    background: rgba(0, 103, 210, 0.1);
}


/* SHARED */

.section {
    padding: 120px 0;
}

.section-shell {
    width: min(var(--max), calc(100% - 48px));

    margin: 0 auto;
}

.eyebrow {
    margin: 0 0 17px;

    color: var(--blue-light);

    font-size: 0.74rem;
    font-weight: 900;

    letter-spacing: 0.2em;
    text-transform: uppercase;
}

h2 {
    margin: 0;

    font-size: clamp(2.3rem, 4vw, 4rem);

    line-height: 1.05;

    letter-spacing: -0.045em;
}

.split-layout {
    display: grid;

    grid-template-columns: 0.9fr 1.1fr;

    gap: 90px;
}

.large-copy {
    color: var(--muted);

    font-size: 1.12rem;

    line-height: 1.9;
}

.large-copy p {
    margin: 0 0 25px;
}


/* FEATURE GRID */

.feature-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;

    margin-top: 80px;
}

.feature-card {
    min-height: 280px;

    padding: 30px;

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

    border-radius: 18px;

    background:
        linear-gradient(
            145deg,
            rgba(17, 46, 70, 0.82),
            rgba(7, 24, 39, 0.85)
        );

    box-shadow:
        0 20px 45px rgba(0, 0, 0, 0.13);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-6px);

    border-color: var(--border-strong);
}

.feature-icon {
    margin-bottom: 34px;

    color: var(--yellow);

    font-size: 2rem;
}

.feature-card h3 {
    margin: 0;

    font-size: 1.25rem;
}

.feature-card p {
    margin: 14px 0 0;

    color: var(--muted);
}


/* ARCHIVE */

.archive-section {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);

    background:
        radial-gradient(
            circle at 80% 50%,
            rgba(34, 170, 245, 0.1),
            transparent 35%
        ),
        rgba(255, 255, 255, 0.012);
}

.archive-panel {
    display: grid;

    grid-template-columns: 0.85fr 1.15fr;

    gap: 70px;

    align-items: center;
}

.archive-copy > p:not(.eyebrow) {
    color: var(--muted);

    font-size: 1.05rem;

    margin: 23px 0 0;

    max-width: 560px;
}

.archive-copy .button {
    margin-top: 34px;
}

.archive-window {
    overflow: hidden;

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

    border-radius: 20px;

    background: #071827;

    box-shadow:
        0 35px 80px rgba(0, 0, 0, 0.32);
}

.window-bar {
    height: 54px;

    display: flex;
    align-items: center;

    gap: 20px;

    padding: 0 20px;

    color: var(--muted);

    font-size: 0.75rem;

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

    background: #0c2235;
}

.window-dots {
    display: flex;
    gap: 7px;
}

.window-dots span {
    width: 9px;
    height: 9px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.22);
}

.window-body {
    padding: 31px;
}

.archive-breadcrumb {
    color: var(--blue-light);

    font-size: 0.74rem;

    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.mock-year {
    margin: 18px 0 26px;

    font-size: 3.5rem;
    font-weight: 900;

    letter-spacing: -0.05em;
}

.mock-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 10px;
}

.mock-grid div {
    padding: 17px;

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

    border-radius: 10px;

    background: rgba(255, 255, 255, 0.035);

    font-weight: 750;
}

.mock-footer {
    margin-top: 25px;

    color: var(--muted);

    font-size: 0.77rem;
}


/* PROVENANCE */

.center-heading {
    max-width: 790px;

    margin: 0 auto;

    text-align: center;
}

.center-heading > p:not(.eyebrow) {
    margin: 24px auto 0;

    color: var(--muted);

    font-size: 1.05rem;
}

.flow {
    margin-top: 80px;

    display: flex;

    align-items: center;

    justify-content: center;
}

.flow-node {
    width: 215px;

    text-align: center;
}

.flow-node > span {
    display: flex;

    width: 44px;
    height: 44px;

    margin: 0 auto 18px;

    align-items: center;
    justify-content: center;

    color: #05121c;

    border-radius: 50%;

    background:
        linear-gradient(
            135deg,
            var(--yellow),
            var(--orange)
        );

    font-size: 0.7rem;
    font-weight: 900;
}

.flow-node strong {
    display: block;

    font-size: 1.1rem;
}

.flow-node p {
    margin: 9px 0 0;

    color: var(--muted);

    font-size: 0.87rem;
}

.flow-line {
    width: 70px;
    height: 1px;

    margin: 0 10px 60px;

    background:
        linear-gradient(
            90deg,
            transparent,
            var(--border-strong),
            transparent
        );
}


/* STATUS */

.status-section {
    border-top: 1px solid var(--border);

    background: rgba(255, 255, 255, 0.015);
}

.status-grid {
    margin-top: 65px;

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.status-card {
    padding: 31px;

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

    border-radius: 18px;

    background: rgba(9, 30, 47, 0.72);
}

.status-label {
    color: var(--blue-light);

    font-size: 0.68rem;
    font-weight: 900;

    letter-spacing: 0.15em;
}

.status-card strong {
    display: block;

    margin-top: 10px;

    font-size: 1.55rem;
}

.status-card p {
    margin: 13px 0 0;

    color: var(--muted);
}


/* ABOUT */

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

.about-layout {
    display: grid;

    grid-template-columns: 0.9fr 1.1fr;

    gap: 95px;
}

.about-copy {
    color: var(--muted);

    font-size: 1.05rem;
}

.about-copy p {
    margin: 0 0 23px;
}

.about-copy .disclaimer {
    padding: 18px 20px;

    color: var(--blue-soft);

    border-left: 3px solid var(--blue);

    background: rgba(34, 150, 220, 0.07);
}


/* CONTACT */

.contact-section {
    position: relative;

    overflow: hidden;

    padding: 100px 0;

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

    background:
        radial-gradient(
            circle at 15% 50%,
            rgba(38, 167, 242, 0.16),
            transparent 30%
        ),
        #04101b;
}

.contact-inner {
    position: relative;
    z-index: 3;

    display: grid;

    grid-template-columns: 330px 1fr;

    gap: 70px;

    align-items: center;
}

.contact-logo {
    width: 310px;

    filter:
        drop-shadow(0 20px 30px rgba(0, 0, 0, 0.32));
}

.contact-inner p:not(.eyebrow) {
    color: var(--muted);
}

.email-link {
    display: inline-block;

    margin-top: 14px;

    color: var(--blue-light);

    font-size: clamp(1.3rem, 2.5vw, 2rem);

    font-weight: 850;

    text-decoration: none;
}

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


/* FOOTER */

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

    background: #020910;
}

.footer-shell {
    width: min(var(--max), calc(100% - 48px));

    min-height: 90px;

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 30px;

    color: var(--muted);

    font-size: 0.82rem;
}

.footer-shell > span:first-child {
    color: var(--text);

    font-weight: 800;
}

.footer-shell a {
    color: var(--blue-light);

    text-decoration: none;
}


/* RESPONSIVE */

@media (max-width: 1050px) {
    .hero-shell {
        grid-template-columns: 1fr;

        max-width: 760px;

        text-align: center;
    }

    .hero-logo {
        width: min(100%, 470px);
    }

    .hero-copy {
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .archive-panel,
    .split-layout,
    .about-layout {
        grid-template-columns: 1fr;

        gap: 45px;
    }
}

@media (max-width: 850px) {
    .nav-shell {
        min-height: auto;

        padding: 13px 0;

        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;

        overflow-x: auto;

        padding-bottom: 3px;

        gap: 18px;
    }

    .main-nav a {
        white-space: nowrap;
    }

    .mini-brand {
        width: 90px;
        height: 45px;
    }

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

    .flow {
        flex-direction: column;

        gap: 20px;
    }

    .flow-line {
        width: 1px;
        height: 35px;

        margin: 0;

        background:
            linear-gradient(
                transparent,
                var(--border-strong),
                transparent
            );
    }

    .flow-node {
        width: 100%;
        max-width: 330px;
    }

    .contact-inner {
        grid-template-columns: 1fr;

        text-align: center;
    }

    .contact-logo {
        margin: 0 auto;
    }
}

@media (max-width: 600px) {
    .section {
        padding: 82px 0;
    }

    .section-shell,
    .hero-shell,
    .footer-shell {
        width: min(100% - 30px, var(--max));
    }

    .hero {
        min-height: auto;
    }

    .hero-shell {
        padding-top: 55px;
        padding-bottom: 105px;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

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

    .footer-shell {
        padding: 27px 0;

        flex-direction: column;

        align-items: flex-start;
    }

    .footer-note {
        display: none;
    }
}