:root {
    --ink: #182027;
    --muted: #5f6d75;
    --line: #d7dfe3;
    --paper: #ffffff;
    --wash: #f3f5f6;
    --header: #18242b;
    --header-light: #31414a;
    --orange: #db6917;
    --orange-dark: #a94a09;
    --green: #267153;
    --blue: #286c98;
    --yellow: #f3c54b;
    --shadow: 0 10px 28px rgba(24, 32, 39, 0.08);
}

* { box-sizing: border-box; }

html {
    min-width: 320px;
    background: var(--wash);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--wash);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    letter-spacing: 0;
}

a {
    color: #1d608d;
    text-underline-offset: 2px;
}

a:hover { color: #12486c; }

button,
input,
select { font: inherit; letter-spacing: 0; }

.page-width {
    width: min(1120px, calc(100% - 32px));
    margin-inline: auto;
}

.site-header {
    position: relative;
    z-index: 100;
    border-bottom: 1px solid var(--header-light);
    background: var(--header);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1120px, calc(100% - 32px));
    min-height: 76px;
    margin-inline: auto;
    gap: 24px;
}

.brand {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 14px;
    color: #fff;
    text-decoration: none;
}

.brand:hover { color: #fff; }

.brand img {
    display: block;
    width: 132px;
    height: auto;
}

.brand span {
    border-left: 1px solid #52636c;
    padding-left: 14px;
    color: #cad5da;
    font-size: 0.84rem;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 3px;
}

.site-nav a {
    border-radius: 4px;
    padding: 9px 10px;
    color: #dce4e7;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    background: #2d3d45;
    color: #fff;
}

.nav-toggle {
    display: none;
    width: 44px;
    min-height: 44px;
    border: 1px solid #566770;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: #fff;
}

.intro-band {
    border-bottom: 1px solid var(--line);
    background: #e8edef;
}

.intro-band__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: center;
    min-height: 410px;
    gap: 58px;
    padding-block: 58px;
}

.eyebrow {
    margin: 0 0 7px;
    color: var(--orange-dark);
    font-size: 0.78rem;
    font-weight: 850;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.2;
    letter-spacing: 0;
}

h1 {
    max-width: 780px;
    margin-bottom: 15px;
    font-size: 3rem;
}

h2 {
    margin-bottom: 9px;
    font-size: 1.75rem;
}

h3 {
    margin-bottom: 7px;
    font-size: 1.08rem;
}

.lead {
    max-width: 760px;
    margin: 0;
    color: #43525a;
    font-size: 1.1rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--orange-dark);
    border-radius: 4px;
    background: var(--orange);
    padding: 10px 16px;
    color: #fff;
    font-weight: 800;
    text-decoration: none;
}

.button:hover {
    background: var(--orange-dark);
    color: #fff;
}

.button--secondary {
    border-color: #a9b6bc;
    background: #fff;
    color: var(--ink);
}

.button--secondary:hover {
    background: #f7f9fa;
    color: var(--ink);
}

.intro-hardware {
    margin: 0;
    border: 1px solid #b7c3c9;
    border-radius: 6px;
    background: #fff;
    padding: 14px;
    box-shadow: var(--shadow);
}

.intro-hardware img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.intro-hardware figcaption {
    margin-top: 9px;
    color: var(--muted);
    font-size: 0.75rem;
}

.notice-band {
    border-bottom: 1px solid #e3c070;
    background: #fff3d5;
    color: #5f4305;
}

.notice-band .page-width {
    padding-block: 13px;
}

.content-band {
    padding-block: 54px;
}

.content-band--white { background: #fff; }
.content-band--dark { background: #25333a; color: #f3f6f7; }
.content-band--dark p { color: #cfdae0; }
.content-band--dark a:not(.button) { color: #fff; }

.section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.section-heading p,
.text-muted {
    color: var(--muted);
}

.capability-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-block: 1px solid var(--line);
}

.capability-list article {
    min-width: 0;
    padding: 24px 26px;
    border-right: 1px solid var(--line);
}

.capability-list article:first-child { padding-left: 0; }
.capability-list article:last-child { border-right: 0; padding-right: 0; }
.capability-list p { margin: 0; color: var(--muted); }

.split-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.62fr);
    align-items: start;
    gap: 56px;
}

.fact-list {
    margin: 0;
    padding-left: 20px;
}

.fact-list li + li { margin-top: 8px; }

.quick-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.quick-links a {
    display: block;
    min-height: 112px;
    border: 1px solid #475861;
    border-radius: 6px;
    background: #2c3b43;
    padding: 18px;
    color: #fff;
    text-decoration: none;
}

.quick-links a:hover { background: #344750; }
.quick-links strong,
.quick-links span { display: block; }
.quick-links span { margin-top: 5px; color: #c9d5da; font-size: 0.84rem; }

.page-heading {
    border-bottom: 1px solid var(--line);
    background: #e8edef;
    padding-block: 42px 32px;
}

.page-heading p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
}

.page-content {
    padding-block: 40px 58px;
}

.content-panel {
    max-width: 940px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    padding: 26px;
    box-shadow: var(--shadow);
}

.download-list {
    display: grid;
    gap: 12px;
    margin-top: 24px;
}

.download-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 17px;
}

.download-item h3,
.download-item p { margin-bottom: 3px; }
.download-item p { color: var(--muted); }

.manual-frame {
    width: 100%;
    height: min(78vh, 920px);
    min-height: 560px;
    border: 1px solid #b7c3c9;
    border-radius: 4px;
    background: #e4e9eb;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
}

.contact-methods section {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 20px;
}

.contact-methods p { margin-bottom: 12px; }

.site-footer {
    border-top: 1px solid var(--header-light);
    background: var(--header);
    color: #cbd5da;
}

.site-footer__inner {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto auto;
    align-items: center;
    gap: 32px;
    min-height: 150px;
    padding-block: 24px;
    font-size: 0.82rem;
}

.site-footer img { width: 110px; height: auto; }
.site-footer p { margin: 6px 0 0; }
.site-footer nav { display: grid; grid-template-columns: repeat(2, auto); gap: 5px 22px; }
.site-footer a { color: #fff; }

@media (max-width: 850px) {
    .nav-toggle { display: block; }

    .site-nav {
        position: absolute;
        top: 76px;
        right: 16px;
        left: 16px;
        display: none;
        align-items: stretch;
        border: 1px solid #52636c;
        border-radius: 4px;
        background: var(--header);
        padding: 8px;
        box-shadow: var(--shadow);
        flex-direction: column;
    }

    .site-nav.is-open { display: flex; }

    .intro-band__inner {
        grid-template-columns: minmax(0, 1fr) 220px;
        gap: 30px;
    }

    h1 { font-size: 2.5rem; }

    .capability-list,
    .quick-links { grid-template-columns: 1fr; }

    .capability-list article,
    .capability-list article:first-child,
    .capability-list article:last-child {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 20px 0;
    }

    .capability-list article:last-child { border-bottom: 0; }

    .site-footer__inner { grid-template-columns: 1fr auto; }
    .site-footer__inner > p { grid-column: span 2; }
}

@media (max-width: 620px) {
    .page-width,
    .site-header__inner { width: min(100% - 22px, 1120px); }

    .brand img { width: 112px; }
    .brand span { display: none; }

    .intro-band__inner {
        display: block;
        min-height: auto;
        padding-block: 38px 30px;
    }

    h1 { font-size: 2.1rem; }
    h2 { font-size: 1.48rem; }

    .intro-hardware {
        max-width: 280px;
        margin-top: 28px;
    }

    .content-band { padding-block: 40px; }
    .split-content { grid-template-columns: 1fr; gap: 28px; }

    .content-panel { padding: 20px 16px; }

    .download-item {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .manual-frame { min-height: 500px; }
    .contact-methods { grid-template-columns: 1fr; }

    .site-footer__inner {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 18px;
    }

    .site-footer__inner > p { grid-column: auto; }
}
