:root {
    color-scheme: light;
    --ink: #0b2545;
    --muted: #52677f;
    --line: #d7e5f3;
    --brand: #1259c5;
    --brand-dark: #0a347a;
    --teal: #108b93;
    --panel: rgba(255, 255, 255, 0.82);
    --soft: #eef6ff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    color: var(--ink);
    background:
        linear-gradient(rgba(15, 89, 197, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 89, 197, 0.06) 1px, transparent 1px),
        linear-gradient(135deg, #f8fbff 0%, #edf5fb 100%);
    background-size: 42px 42px, 42px 42px, auto;
}

a {
    color: var(--brand);
}

.page-shell {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(13, 50, 89, 0.12);
    background: rgba(248, 251, 255, 0.92);
    backdrop-filter: blur(14px);
}

.topbar-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.brand img {
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.95rem;
    font-weight: 700;
}

.nav a {
    color: #27445f;
    text-decoration: none;
}

.nav a:hover {
    color: var(--brand);
}

.hero {
    padding: 72px 0 48px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
    gap: 48px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--teal);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
}

h1 {
    margin: 0 0 20px;
    color: #061d45;
    font-size: clamp(2.35rem, 5vw, 4.5rem);
    line-height: 1.02;
    letter-spacing: 0;
}

.lead {
    margin: 0 0 28px;
    color: #37526f;
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    line-height: 1.62;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid var(--brand);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 800;
}

.btn.primary {
    color: #fff;
    background: linear-gradient(135deg, #0f58c4, #083678);
    box-shadow: 0 14px 30px rgba(10, 52, 122, 0.2);
}

.btn.secondary {
    color: var(--brand-dark);
    background: rgba(255, 255, 255, 0.75);
}

.hero-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: 0 20px 55px rgba(10, 52, 122, 0.12);
}

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

.hero-card-caption {
    padding: 18px 20px;
    color: #294762;
    font-weight: 700;
}

.section {
    padding: 48px 0;
}

.section h2 {
    margin: 0 0 14px;
    color: #08235a;
    font-size: clamp(1.75rem, 3vw, 2.6rem);
    letter-spacing: 0;
}

.section-intro {
    max-width: 820px;
    margin: 0 0 28px;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.content-stack {
    display: grid;
    gap: 18px;
}

.content-stack.spaced {
    margin-top: 22px;
}

.content-block {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.7);
}

.content-block h3 {
    margin: 0 0 10px;
    color: #0a347a;
    font-size: 1.16rem;
}

.content-block p {
    margin: 0;
    color: #4a6077;
    line-height: 1.64;
}

.keyword-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.keyword-cloud span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid rgba(18, 89, 197, 0.22);
    border-radius: 999px;
    color: #0a347a;
    background: rgba(238, 246, 255, 0.9);
    font-weight: 800;
    font-size: 0.88rem;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 22px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.check-grid li {
    position: relative;
    padding-left: 24px;
    color: #4a6077;
    line-height: 1.58;
}

.check-grid li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--teal);
}

.source-note {
    margin-top: 18px;
    color: #60758b;
    font-size: 0.92rem;
    line-height: 1.5;
}

.tile {
    min-height: 100%;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.74);
}

.tile h3 {
    margin: 0 0 10px;
    color: #0a347a;
    font-size: 1.08rem;
}

.tile p,
.tile li {
    color: #4a6077;
    line-height: 1.58;
}

.tile p {
    margin: 0;
}

.tile ul {
    margin: 0;
    padding-left: 18px;
}

.band {
    margin: 32px 0;
    padding: 32px;
    border: 1px solid rgba(16, 139, 147, 0.28);
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(16, 139, 147, 0.12), rgba(15, 89, 197, 0.08));
}

.band h2 {
    margin-top: 0;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
    gap: 28px;
    align-items: start;
}

.link-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.link-list a {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    font-weight: 800;
}

.footer {
    margin-top: 48px;
    padding: 34px 0;
    border-top: 1px solid var(--line);
    color: #60758b;
    font-size: 0.92rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
}

@media (max-width: 860px) {
    .page-shell {
        width: min(100% - 24px, 1120px);
    }

    .topbar-inner,
    .nav {
        align-items: flex-start;
    }

    .topbar-inner {
        flex-direction: column;
        padding: 14px 0;
    }

    .nav {
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero {
        padding-top: 42px;
    }

    .hero-grid,
    .two-column {
        grid-template-columns: 1fr;
    }

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

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

    .band {
        padding: 24px;
    }
}