:root { --hub-ink: #14213d; --hub-bg: #f5f8fc; }
body.hub { background: #fff; color: var(--hub-ink); font-family: "Titillium Web", system-ui, sans-serif; }
.hub-container { max-width: 1120px; margin-inline: auto; padding-inline: 1.5rem; }
.hub-skip:focus { position: fixed; top: .5rem; left: .5rem; z-index: 99; background: #fff; padding: .5rem 1rem; }

.hub-header { position: absolute; inset: 0 0 auto 0; z-index: 5; }
.hub-header__in { display: flex; justify-content: space-between; align-items: center; padding-block: 1.25rem; }
.hub-brand { color: #fff; font-weight: 700; font-size: 1.25rem; text-decoration: none; display: inline-flex; align-items: center; gap: .6rem; }
.hub-brand__mark { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: .5rem; background: #fff; color: #0066cc; font-weight: 700; }
.hub-brand__sub { font-weight: 400; opacity: .8; }
.hub-nav { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.hub-nav a { color: #fff; text-decoration: none; font-weight: 600; }
.hub-nav a:hover, .hub-nav a:focus-visible { text-decoration: underline; }
@media (max-width: 640px) { .hub-nav { display: none; } }

.hub-hero { position: relative; overflow: hidden; color: #fff; padding: 9rem 0 7rem; background: linear-gradient(135deg, #0b2e6b 0%, #0066cc 55%, #00a3a3 100%); }
.hub-hero .hub-container { position: relative; z-index: 1; }
.hub-eyebrow { text-transform: uppercase; letter-spacing: .15em; font-weight: 700; font-size: .85rem; opacity: .85; margin: 0 0 1rem; color: #fff; }
.hub-hero h1 { color: #fff; font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 1.05; font-weight: 700; margin: 0 0 1.25rem; }
.hub-lead { font-size: clamp(1.1rem, 2vw, 1.4rem); max-width: 40rem; opacity: .95; color: #fff; margin: 0 0 2rem; }
.hub-cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hub-btn { display: inline-block; padding: .85rem 1.75rem; border-radius: 2rem; font-weight: 700; text-decoration: none; border: 2px solid #fff; transition: transform .15s; }
.hub-btn:hover { transform: translateY(-2px); }
.hub-btn--solid { background: #fff; color: #0b2e6b; }
.hub-btn--ghost { color: #fff; }
.hub-btn:focus-visible, .hub-card__go:focus-visible { outline: 3px solid #ffbf47; outline-offset: 3px; }
.hub-hero__shapes span { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .08); }
.hub-hero__shapes span:nth-child(1) { width: 520px; height: 520px; right: -120px; top: -140px; }
.hub-hero__shapes span:nth-child(2) { width: 300px; height: 300px; right: 18%; bottom: -150px; background: rgba(255, 255, 255, .06); }
.hub-hero__shapes span:nth-child(3) { width: 180px; height: 180px; left: 8%; bottom: 40px; background: rgba(255, 255, 255, .05); }

.hub-section { padding: 5rem 0; }
.hub-section--alt { background: var(--hub-bg); }
.hub-title { text-align: center; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin: 0 0 .75rem; color: var(--hub-ink); }
.hub-sub { text-align: center; max-width: 42rem; margin: 0 auto 3rem; font-size: 1.15rem; color: #44546a; }
.hub-sub--small { margin: 2rem auto 0; font-size: 1rem; }

.hub-cards { display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.hub-card { position: relative; display: flex; flex-direction: column; padding: 2rem 1.75rem 1.75rem; background: #fff; border-radius: 1rem; border-top: 6px solid var(--c); box-shadow: 0 10px 30px rgba(20, 33, 61, .1); transition: transform .2s, box-shadow .2s; }
.hub-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(20, 33, 61, .16); }
.hub-card__tag { align-self: flex-start; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--c); background: color-mix(in srgb, var(--c) 12%, #fff); padding: .25rem .7rem; border-radius: 1rem; }
.hub-card h3 { font-size: 2rem; margin: 1rem 0 .5rem; color: var(--c); font-weight: 700; }
.hub-card p { color: #44546a; margin: 0 0 1rem; }
.hub-card ul { list-style: none; padding: 0; margin: 0 0 1.5rem; flex: 1; }
.hub-card li { padding: .35rem 0 .35rem 1.5rem; position: relative; }
.hub-card li::before { content: ""; position: absolute; left: 0; top: .85rem; width: .6rem; height: .6rem; border-radius: 50%; background: var(--c); }
.hub-card__go { align-self: flex-start; color: #fff; background: var(--c); padding: .7rem 1.4rem; border-radius: 2rem; font-weight: 700; text-decoration: none; }
.hub-card__go:hover { filter: brightness(.9); }
.hub-card__go::after { content: ""; position: absolute; inset: 0; border-radius: 1rem; }

.hub-features { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); list-style: none; padding: 0; margin: 2.5rem 0 0; }
.hub-features li { background: #fff; border-radius: .75rem; padding: 1.5rem; border: 1px solid #dbe4f0; }
.hub-features h3 { font-size: 1.2rem; margin: 0 0 .4rem; color: #0066cc; font-weight: 700; }
.hub-features p { margin: 0; color: #44546a; }

.hub-arch { max-width: 820px; margin: 0 auto; text-align: center; }
.hub-arch__parent { background: #0b2e6b; color: #fff; border-radius: .75rem; padding: 1.25rem; font-weight: 700; font-size: 1.3rem; }
.hub-arch small { display: block; font-weight: 400; font-size: .85rem; opacity: .85; margin-top: .25rem; }
.hub-arch__lines { height: 2rem; margin: 0 16%; border: 2px solid #9fb3d1; border-bottom: 0; border-radius: .75rem .75rem 0 0; position: relative; }
.hub-arch__lines::before { content: ""; position: absolute; left: 50%; top: -2rem; height: 2rem; border-left: 2px solid #9fb3d1; }
.hub-arch__children { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.hub-arch__children div { background: color-mix(in srgb, var(--c) 10%, #fff); border: 2px solid var(--c); color: var(--c); border-radius: .75rem; padding: 1rem; font-weight: 700; }

.hub-footer { background: #0b1f44; color: #dbe4f0; padding: 2.5rem 0; text-align: center; }
.hub-footer p { margin: 0 0 .25rem; color: inherit; }
.hub-footer__small { opacity: .7; font-size: .9rem; }
@media (prefers-reduced-motion: reduce) { .hub-card, .hub-btn { transition: none; } }