:root {
    --ink: #17233b;
    --muted: #5b687c;
    --blue: #1769aa;
    --blue-dark: #0b477b;
    --sky: #eaf4fb;
    --line: #d8e2ec;
    --paper: #ffffff;
    --soft: #f5f8fb;
    --accent: #ef9b38;
    --shadow: 0 18px 42px rgba(23, 35, 59, 0.1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--soft);
    font: 16px/1.65 Georgia, 'Times New Roman', serif;
}

a {
    color: var(--blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--blue);
}

img {
    max-width: 100%;
    height: auto;
}

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

.site-header {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.header-row {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--ink);
    text-decoration: none;
    font: 700 1.1rem/1.1 Georgia, serif;
}

.brand img {
    width: 142px;
}

.menu-toggle {
    display: none;
}

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav > ul > li {
    position: relative;
}

.site-nav .submenu {
    position: absolute;
    z-index: 2;
    top: 100%;
    left: 0;
    display: none;
    min-width: 220px;
    padding: 8px;
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.site-nav .submenu li {
    min-width: 200px;
}

.site-nav .has-submenu:hover > .submenu,
.site-nav .has-submenu:focus-within > .submenu {
    display: block;
}

.site-nav a {
    display: block;
    padding: 10px 13px;
    color: var(--ink);
    text-decoration: none;
    font: 600 .93rem/1.2 Arial, sans-serif;
    border-radius: 4px;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
    color: var(--blue-dark);
    background: var(--sky);
}

.hero {
    padding: 72px 0 64px;
    background: linear-gradient(135deg, #e9f5fc 0%, #fff 66%);
    border-bottom: 1px solid var(--line);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--blue);
    font: 700 .78rem/1.2 Arial, sans-serif;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin: 0 0 18px;
    line-height: 1.12;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: -.03em;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
}

h3 {
    font-size: 1.35rem;
}

.lede {
    max-width: 650px;
    color: var(--muted);
    font-size: 1.2rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-block;
    padding: 12px 18px;
    border: 1px solid var(--blue-dark);
    border-radius: 4px;
    background: var(--blue-dark);
    color: #fff;
    font: 700 .92rem/1.2 Arial, sans-serif;
    text-decoration: none;
}

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

.button.secondary {
    background: transparent;
    color: var(--blue-dark);
}

.hero-visual {
    padding: 20px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.hero-visual img {
    display: block;
    width: 100%;
}

.section {
    padding: 66px 0;
}

.section.alt {
    background: #fff;
    border-block: 1px solid var(--line);
}

.section-heading {
    max-width: 650px;
    margin-bottom: 30px;
}

.section-heading p {
    color: var(--muted);
    font-size: 1.08rem;
}

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

.card {
    padding: 25px;
    background: var(--paper);
    border: 1px solid var(--line);
}

.card p {
    margin-bottom: 0;
    color: var(--muted);
}

.news-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
}

.link-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.link-list li {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
}

.link-list a {
    font-weight: 700;
}

.page-header {
    padding: 58px 0 38px;
    background: var(--sky);
    border-bottom: 1px solid var(--line);
}

.page-header h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
}

.content {
    max-width: 820px;
    padding: 54px 0 80px;
}

.content p,
.content li {
    color: var(--muted);
    font-size: 1.05rem;
}

.content h2 {
    margin-top: 42px;
}

.publication-list {
    margin: 0;
    padding-left: 22px;
}

.publication-list li {
    margin: 0 0 16px;
    padding-left: 5px;
}

.publication-list a {
    font-weight: 700;
}

.publication-note {
    margin-top: 42px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font: .9rem/1.5 Arial, sans-serif;

.content figure {
    margin: 30px 0;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--line);
}

.content figcaption {
    margin-top: 10px;
    color: var(--muted);
    font: .9rem/1.4 Arial, sans-serif;
}

.download-list {
    display: grid;
    gap: 14px;
    margin: 25px 0;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--line);
}

.download-item strong {
    display: block;
}

.download-item small {
    color: var(--muted);
}

.site-footer {
    padding: 34px 0;
    background: var(--ink);
    color: #dbe6f0;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 25px;
    align-items: center;
}

.site-footer a {
    color: #fff;
}

.site-footer p {
    margin: 0;
    font: .9rem/1.5 Arial, sans-serif;
}

@media (max-width: 820px) {
    .header-row {
        min-height: 72px;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .menu-label {
        display: block;
        padding: 9px 12px;
        border: 1px solid var(--line);
        color: var(--ink);
        cursor: pointer;
        font: 700 .85rem Arial, sans-serif;
    }

    .site-nav {
        display: none;
        width: 100%;
    }

    .header-row {
        flex-wrap: wrap;
    }

    .menu-toggle:checked~.site-nav {
        display: block;
    }

    .site-nav ul {
        display: block;
        padding-bottom: 12px;
    }

    .site-nav .submenu {
        position: static;
        display: block;
        min-width: 0;
        padding: 0 0 0 18px;
        border: 0;
        box-shadow: none;
    }

    .site-nav .submenu li {
        min-width: 0;
    }

    .site-nav a {
        padding: 11px 0;
        border-radius: 0;
        border-bottom: 1px solid var(--line);
    }

    .hero-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .hero {
        padding-top: 48px;
    }

    .download-item,
    .footer-row {
        align-items: flex-start;
        flex-direction: column;
    }
}