:root {
    color-scheme: light;
    --navy: #073f67;
    --navy-dark: #062f4f;
    --teal: #03b8b5;
    --teal-dark: #008b91;
    --amber: #ffad21;
    --ink: #14263a;
    --muted: #5b6876;
    --line: #d7e0e7;
    --soft: #f4fafb;
    --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--white);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); }
.site-header .shell {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand { display: inline-flex; width: 220px; height: 110px; overflow: hidden; align-items: flex-start; text-decoration: none; }
.brand img { width: 220px; height: 220px; display: block; transform: translateY(-52px); }
.verify-link {
    color: var(--navy);
    font-weight: 650;
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
}
.hero {
    min-height: 480px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, .95fr);
    align-items: center;
    gap: clamp(48px, 8vw, 100px);
    padding: 70px 0 64px;
}
h1, h2 { color: var(--navy-dark); letter-spacing: -.035em; margin: 0; }
h1 { max-width: 700px; font-size: clamp(3rem, 5.2vw, 5rem); line-height: 1.02; }
.lead { max-width: 650px; margin: 28px 0 32px; color: #344556; font-size: clamp(1.15rem, 2vw, 1.45rem); }
.button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    padding: 0 26px;
    border: 2px solid var(--navy);
    border-radius: 8px;
    background: var(--navy);
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 750;
    text-decoration: none;
    transition: background-color .16s ease, border-color .16s ease, transform .16s ease;
}
.button:hover { background: var(--navy-dark); border-color: var(--navy-dark); transform: translateY(-1px); }
.button:focus-visible, .verify-link:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
.compatibility { margin: 16px 0 0; color: var(--muted); }
.package-map {
    border: 2px solid var(--navy);
    border-radius: 14px;
    padding: 30px;
    display: grid;
    grid-template-columns: 1.1fr 52px 1fr;
    align-items: center;
    min-height: 300px;
}
.package {
    min-height: 170px;
    border: 2px solid var(--navy);
    border-radius: 10px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    box-shadow: 10px -10px 0 var(--soft);
}
.package::before {
    content: "";
    position: absolute;
    width: 62px;
    height: 18px;
    top: -20px;
    left: 18px;
    border: 2px solid var(--navy);
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
    background: var(--soft);
}
.package strong { color: var(--navy); font-size: 1.05rem; }
.package span { margin-top: 10px; color: var(--teal-dark); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; }
.connector { height: 2px; background: var(--teal-dark); position: relative; }
.connector::after {
    content: "";
    position: absolute;
    right: -1px;
    top: -5px;
    width: 9px;
    height: 9px;
    border-top: 2px solid var(--teal-dark);
    border-right: 2px solid var(--teal-dark);
    transform: rotate(45deg);
}
.agents { display: grid; gap: 14px; }
.agent { padding: 15px 16px; border: 1px solid var(--teal-dark); border-radius: 8px; color: var(--navy); font-weight: 700; background: var(--white); }
.capabilities { border-top: 1px solid var(--line); padding: 34px 0 46px; }
.capabilities h2, .verification h2 { font-size: clamp(2rem, 3vw, 2.7rem); }
.capability-list {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}
.capability-list li { padding: 8px 32px 8px 22px; border-left: 3px solid var(--teal); font-size: 1.05rem; font-weight: 650; }
.verification {
    border: 2px solid var(--navy);
    border-radius: 12px;
    padding: 30px 34px;
    background: var(--soft);
}
.hash-label { display: block; margin: 22px 0 8px; color: var(--teal-dark); font-weight: 800; }
.hash {
    display: block;
    overflow-wrap: anywhere;
    border: 1px solid #9eacb8;
    border-radius: 7px;
    padding: 15px 17px;
    background: var(--white);
    color: var(--ink);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .95rem;
}
.verification p { margin: 15px 0 0; color: var(--muted); }
.verify-command { margin-top: 20px; }
.verify-command code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.security-note { display: flex; align-items: center; gap: 12px; margin: 20px 0 34px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.security-note::before { content: "!"; display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border: 2px solid var(--amber); border-radius: 50%; color: #9b6100; font-weight: 900; }
footer { padding: 0 0 36px; text-align: center; color: var(--muted); }
footer strong { color: var(--navy); }

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 54px; }
    .package-map { min-height: 260px; }
}
@media (max-width: 620px) {
    .shell { width: min(100% - 32px, 1180px); }
    .site-header .shell { min-height: 88px; }
    .brand { width: 160px; height: 82px; }
    .brand img { width: 160px; height: 160px; transform: translateY(-38px); }
    .verify-link { font-size: .9rem; }
    h1 { font-size: clamp(2.55rem, 13vw, 3.5rem); }
    .hero { gap: 42px; padding: 46px 0; }
    .button { width: 100%; }
    .package-map { grid-template-columns: 1fr; gap: 24px; padding: 25px; }
    .connector { width: 2px; height: 24px; margin: 0 auto; }
    .connector::after { right: -5px; top: 13px; transform: rotate(135deg); }
    .capability-list { grid-template-columns: 1fr; gap: 18px; }
    .verification { padding: 25px 20px; }
}