:root {
    --en-navy: #071523;
    --en-navy-2: #0b2034;
    --en-charcoal: #18212b;
    --en-blue: #1395d3;
    --en-blue-dark: #0878ad;
    --en-light: #f4f8fb;
    --en-line: #d9e4ec;
    --en-text: #263342;
    --en-muted: #607386;
    --en-white: #ffffff;
    --en-radius: 12px;
    --en-shadow: 0 20px 60px rgba(7, 21, 35, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.en1366-site {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--en-text);
    background: var(--en-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--en-blue-dark);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

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

.container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(217, 228, 236, 0.9);
    backdrop-filter: blur(12px);
}

.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    max-width: 250px;
}

.brand img,
.custom-logo {
    width: 220px;
    height: auto;
    display: block;
}

.primary-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
}

.primary-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--en-charcoal);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a:focus,
.primary-nav .current-menu-item > a {
    background: var(--en-light);
    color: var(--en-blue-dark);
}

.menu-toggle {
    display: none;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--en-line);
    border-radius: 8px;
    background: var(--en-white);
    color: var(--en-charcoal);
    padding: 10px 12px;
    font-weight: 700;
}

.menu-toggle i,
.menu-toggle i::before,
.menu-toggle i::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--en-charcoal);
    content: "";
}

.menu-toggle i {
    position: relative;
}

.menu-toggle i::before {
    position: absolute;
    top: -6px;
}

.menu-toggle i::after {
    position: absolute;
    top: 6px;
}

.hero {
    position: relative;
    overflow: hidden;
    color: var(--en-white);
    background:
        radial-gradient(circle at 78% 22%, rgba(19, 149, 211, 0.32), transparent 34%),
        linear-gradient(135deg, var(--en-navy) 0%, var(--en-navy-2) 52%, #0f304a 100%);
    padding: 96px 0 104px;
}

.hero::after {
    position: absolute;
    inset: auto -10% -35% auto;
    width: 520px;
    height: 520px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    content: "";
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.75fr);
    gap: 56px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--en-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1,
.page-hero h1,
.section h2,
.cta-band h2 {
    margin: 0;
    letter-spacing: -0.045em;
    line-height: 1.06;
}

.hero h1 {
    max-width: 720px;
    font-size: clamp(46px, 6vw, 82px);
}

.hero-text {
    max-width: 680px;
    margin: 28px 0 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 19px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button,
.en1366-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.button:hover,
.button:focus,
.en1366-button:hover,
.en1366-button:focus {
    transform: translateY(-1px);
    text-decoration: none;
}

.button.primary,
.en1366-button {
    background: var(--en-blue);
    color: var(--en-white);
    box-shadow: 0 12px 30px rgba(19, 149, 211, 0.24);
}

.button.primary:hover,
.button.primary:focus,
.en1366-button:hover,
.en1366-button:focus {
    background: var(--en-blue-dark);
}

.button.secondary {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--en-white);
    background: rgba(255, 255, 255, 0.08);
}

.button.light {
    background: var(--en-white);
    color: var(--en-navy);
}

.hero-panel {
    position: relative;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--en-shadow);
}

.panel-top {
    display: grid;
    gap: 8px;
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.panel-top span {
    color: var(--en-blue);
    font-size: 34px;
    font-weight: 900;
    letter-spacing: -0.05em;
}

.panel-top strong {
    color: var(--en-white);
    font-size: 18px;
}

.hero-checks {
    list-style: none;
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
}

.hero-checks li {
    position: relative;
    padding-left: 26px;
    color: rgba(255, 255, 255, 0.84);
}

.hero-checks li::before {
    position: absolute;
    left: 0;
    top: 9px;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--en-blue);
    content: "";
}

.section {
    padding: 86px 0;
}

.section-light {
    background: var(--en-light);
}

.section-white {
    background: var(--en-white);
}

.section-dark {
    background: var(--en-navy);
    color: var(--en-white);
}

.section-heading {
    max-width: 760px;
    margin: 0 0 42px;
}

.section-heading.narrow {
    max-width: 640px;
}

.section-heading h2,
.section-dark h2,
.cta-band h2 {
    color: inherit;
    font-size: clamp(32px, 4vw, 52px);
}

.section-heading p:not(.eyebrow),
.split p {
    color: var(--en-muted);
    font-size: 18px;
}

.section-dark .split p {
    color: rgba(255, 255, 255, 0.78);
}

.card-grid {
    display: grid;
    gap: 24px;
}

.card-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.topic-card {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    padding: 28px;
    border: 1px solid var(--en-line);
    border-radius: var(--en-radius);
    background: var(--en-white);
    color: var(--en-text);
    text-decoration: none;
    box-shadow: 0 10px 34px rgba(7, 21, 35, 0.05);
}

.topic-card:hover,
.topic-card:focus {
    transform: translateY(-3px);
    border-color: rgba(19, 149, 211, 0.45);
    text-decoration: none;
}

.card-number {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    border-radius: 999px;
    background: var(--en-light);
    color: var(--en-blue-dark);
    font-weight: 900;
}

.topic-card h3 {
    margin: 0 0 12px;
    color: var(--en-navy);
    font-size: 26px;
}

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

.split {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: 56px;
    align-items: start;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.feature {
    padding: 24px;
    border: 1px solid var(--en-line);
    border-radius: var(--en-radius);
    background: var(--en-white);
}

.feature h3 {
    margin: 0 0 12px;
    color: var(--en-navy);
    font-size: 19px;
}

.feature p {
    margin: 0;
    color: var(--en-muted);
}

.cta-band {
    padding: 72px 0;
    color: var(--en-white);
    background:
        linear-gradient(135deg, rgba(19, 149, 211, 0.92), rgba(7, 21, 35, 0.96)),
        var(--en-navy);
}

.cta-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 36px;
    align-items: center;
}

.cta-inner .eyebrow {
    color: rgba(255, 255, 255, 0.78);
}

.cta-inner p {
    max-width: 760px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.84);
}

.page-hero {
    padding: 68px 0;
    color: var(--en-white);
    background: linear-gradient(135deg, var(--en-navy), #0f304a);
}

.page-hero h1 {
    max-width: 900px;
    font-size: clamp(38px, 5vw, 64px);
}

.content-layout {
    max-width: 920px;
}

.content-card {
    padding: clamp(24px, 5vw, 54px);
    border: 1px solid var(--en-line);
    border-radius: 16px;
    background: var(--en-white);
    box-shadow: 0 16px 50px rgba(7, 21, 35, 0.06);
}

.content-card h1,
.content-card h2,
.content-card h3 {
    color: var(--en-navy);
    letter-spacing: -0.025em;
    line-height: 1.16;
}

.content-card h1 {
    margin-top: 0;
    font-size: clamp(30px, 4vw, 48px);
}

.content-card h2 {
    margin-top: 1.3em;
    font-size: clamp(26px, 3vw, 36px);
}

.content-card p,
.content-card li {
    color: var(--en-text);
    font-size: 17px;
}

.content-card ul {
    padding-left: 1.2em;
}

.en1366-note {
    margin: 28px 0;
    padding: 18px 20px;
    border-left: 4px solid var(--en-blue);
    border-radius: 8px;
    background: var(--en-light);
    color: var(--en-text);
}

.site-footer {
    padding: 62px 0 26px;
    color: rgba(255, 255, 255, 0.76);
    background: var(--en-navy);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr 0.8fr;
    gap: 46px;
}

.footer-logo {
    width: 220px;
    margin-bottom: 18px;
    padding: 6px 8px;
    border-radius: 6px;
    background: var(--en-white);
    filter: none;
}

.site-footer h2 {
    margin: 0 0 14px;
    color: var(--en-white);
    font-size: 18px;
}

.site-footer p {
    margin: 0;
}

.footer-link {
    color: var(--en-white);
    font-weight: 800;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 14px;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
}

.skip-link:focus {
    z-index: 50;
    width: auto;
    height: auto;
    padding: 10px;
    background: var(--en-white);
    clip: auto;
}

@media (max-width: 920px) {
    .menu-toggle {
        display: inline-flex;
    }

    .primary-nav {
        display: none;
        position: absolute;
        left: 20px;
        right: 20px;
        top: 82px;
        padding: 14px;
        border: 1px solid var(--en-line);
        border-radius: 12px;
        background: var(--en-white);
        box-shadow: var(--en-shadow);
    }

    .primary-nav.is-open {
        display: block;
    }

    .primary-nav ul {
        display: grid;
        gap: 4px;
    }

    .hero {
        padding: 70px 0 78px;
    }

    .hero-grid,
    .split,
    .cta-inner,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .card-grid.three,
    .feature-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1160px);
    }

    .header-inner {
        min-height: 72px;
    }

    .primary-nav {
        top: 72px;
        left: 14px;
        right: 14px;
    }

    .brand img,
    .custom-logo {
        width: 180px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-grid,
    .card-grid.three,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 58px 0;
    }

    .content-card {
        border-radius: 12px;
    }
}


/* Accessible primary navigation dropdowns */
@media (min-width: 921px) {
    .primary-nav > ul > li {
        position: relative;
    }

    .primary-nav .sub-menu {
        display: none;
        position: absolute;
        z-index: 1000;
        top: calc(100% + 6px);
        left: 0;
        min-width: 220px;
        padding: 8px;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        border: 1px solid var(--en-line);
        border-radius: 10px;
        background: var(--en-white);
        box-shadow: var(--en-shadow);
    }

    .primary-nav .sub-menu::before {
        content: "";
        position: absolute;
        top: -7px;
        left: 0;
        right: 0;
        height: 7px;
    }

    .primary-nav .sub-menu li {
        width: 100%;
    }

    .primary-nav .sub-menu a {
        white-space: nowrap;
    }

    .primary-nav li:hover > .sub-menu,
    .primary-nav li:focus-within > .sub-menu {
        display: flex;
    }
}

.primary-nav .menu-item-has-children > a::after {
    content: " ▾";
    font-size: 10px;
}

@media (max-width: 920px) {
    .primary-nav .sub-menu {
        display: grid;
        position: static;
        min-width: 0;
        padding: 0 0 4px 14px;
        gap: 2px;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .primary-nav .sub-menu a {
        padding: 8px 12px;
        white-space: normal;
        font-weight: 600;
    }
}

/* Consistent lead paragraph sizing across guidance pages. */
body.en1366-site main p.has-large-font-size {
    font-size: 24px !important;
    line-height: 1.45 !important;
}

@media (max-width: 700px) {
    body.en1366-site main p.has-large-font-size {
        font-size: 21px !important;
    }
}