:root {
    color: #183047;
    background-color: #eef5f6;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;

    --color-navy: #102f46;
    --color-teal: #087f7a;
    --color-teal-dark: #066460;
    --color-mint: #d8f1ec;
    --color-gold: #f0b85a;
    --color-border: #cfe0e4;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 8%, rgb(8 127 122 / 24%), transparent 24rem),
        radial-gradient(circle at 92% 92%, rgb(240 184 90 / 26%), transparent 22rem),
        linear-gradient(145deg, #f8fbfc 0%, #edf5f6 52%, #f7f5ee 100%);
}

.page-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    width: min(calc(100% - 48px), 960px);
    margin: 0 auto;
    padding: 48px 0;
}

.page-header {
    grid-column: 1 / -1;
    padding: 48px 32px;
    color: #ffffff;
    text-align: center;
    background: linear-gradient(125deg, var(--color-navy) 0%, #124b5d 55%, var(--color-teal) 100%);
    border: 1px solid rgb(255 255 255 / 16%);
    box-shadow: 0 22px 50px rgb(16 47 70 / 20%);
}

.eyebrow {
    margin: 0 0 10px;
    color: #bff5ed;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.page-header h1 {
    margin: 0;
    font-size: clamp(2.15rem, 6vw, 3.25rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
    text-shadow: 0 3px 14px rgb(3 28 42 / 24%);
}

.header-summary {
    max-width: 650px;
    margin: 18px auto 0;
    color: #e9ffff;
    font-size: 1.05rem;
}

.content-section {
    padding: 30px 32px 32px;
    background-color: rgb(255 255 255 / 92%);
    border: 1px solid var(--color-border);
    box-shadow: 0 14px 36px rgb(25 61 77 / 9%);
}

.introduction {
    grid-column: 1 / -1;
}

.content-section h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 16px;
    color: var(--color-navy);
    font-size: 1.55rem;
    line-height: 1.3;
}

.content-section h2::before {
    flex: 0 0 auto;
    width: 9px;
    height: 28px;
    content: "";
    background-color: var(--color-gold);
}

.content-section p {
    margin: 0;
    color: #294459;
}

.key-term {
    padding: 2px 7px;
    color: var(--color-teal-dark);
    font-weight: 700;
    background-color: var(--color-mint);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.feature-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding-left: 28px;
    color: #294459;
}

.numbered-list {
    list-style-type: upper-roman;
}

.bullet-list {
    list-style-type: square;
}

.feature-list li {
    padding: 10px 12px;
    background-color: #f5faf9;
    border: 1px solid #dcebea;
}

.feature-list li::marker {
    color: var(--color-teal);
    font-weight: 700;
}

@media (max-width: 600px) {
    .page-content {
        grid-template-columns: 1fr;
        gap: 16px;
        width: min(calc(100% - 32px), 960px);
        padding: 16px 0;
    }

    .page-header {
        padding: 36px 22px;
    }

    .header-summary {
        font-size: 1rem;
    }

    .content-section {
        grid-column: 1;
        padding: 24px 22px;
    }

    .content-section h2 {
        font-size: 1.35rem;
    }
}