:root {
    --brand-blue: #2880f0;
    --brand-blue-dark: #1764d9;
    --blue-950: #102840;
    --blue-900: #163a61;
    --blue-100: #eaf3ff;
    --blue-050: #f5f9ff;
    --ink: #1a2a3c;
    --muted: #617187;
    --line: #dbe5f0;
    --soft: #f5f8fc;
    --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: #fff;
    color: var(--ink);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(219, 229, 240, .95);
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(14px);
}
.header-row { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; min-width: 0; align-items: center; }
.brand img { display: block; width: 220px; max-width: 220px; max-height: 54px; height: auto; object-fit: contain; }
.site-footer img { display: block; max-width: 145px; height: auto; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 24px; color: var(--blue-950); font-size: 14px; font-weight: 600; }
.site-nav a:hover, .primary-nav a:hover, .header-link:hover { color: var(--brand-blue-dark); }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--blue-950); cursor: pointer; }

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 7px;
    font-size: 15px;
    font-weight: 600;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary, .button-blue { border-color: var(--brand-blue); background: var(--brand-blue); color: var(--white); box-shadow: 0 12px 26px rgba(40, 128, 240, .22); }
.button-primary:hover, .button-blue:hover { background: var(--blue-900); color: var(--white); }
.button-outline { border-color: #a9b9cc; background: transparent; color: var(--blue-900); }
.button-outline:hover { border-color: var(--brand-blue); background: var(--blue-050); color: var(--brand-blue-dark); }
.button-light { border-color: #fff; background: #fff; color: var(--blue-950); }
.button-light:hover { background: var(--blue-050); }

.hero { overflow: hidden; border-bottom: 1px solid var(--line); background: linear-gradient(135deg, #f5f9ff 0%, #edf5ff 64%, #fff 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr); gap: 64px; align-items: center; min-height: 650px; padding: 76px 0; }
.breadcrumbs { display: flex; gap: 9px; align-items: center; margin-bottom: 30px; color: #71839a; font-size: 13px; font-weight: 500; }
.breadcrumbs a:hover { color: var(--brand-blue); text-decoration: underline; }
.eyebrow { margin: 0 0 14px; color: var(--brand-blue-dark); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 780px; margin: 0; color: var(--blue-950); font-size: clamp(42px, 5.5vw, 68px); font-weight: 700; letter-spacing: -.045em; line-height: 1.03; }
.hero-copy { max-width: 760px; margin: 24px 0 0; color: #53667d; font-size: 19px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.audience-note { max-width: 720px; margin: 26px 0 0; padding-left: 16px; border-left: 3px solid var(--brand-blue); color: #53667d; font-size: 14px; }
.hero-panel { overflow: hidden; border: 1px solid rgba(40, 128, 240, .16); border-radius: 12px; background: #fff; box-shadow: 0 24px 70px rgba(24, 72, 120, .12); }
.panel-label { padding: 20px 24px; border-bottom: 1px solid var(--line); background: var(--blue-950); color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.capability-list { display: grid; padding: 12px 24px; }
.capability-list div { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 16px 0; border-bottom: 1px solid #edf2f8; color: var(--blue-900); font-size: 14px; font-weight: 500; }
.capability-list div:last-child { border-bottom: 0; }
.capability-list i { margin-top: 4px; color: var(--brand-blue); }
.panel-footer { display: grid; gap: 4px; padding: 19px 24px; background: var(--soft); color: var(--blue-900); }
.panel-footer span { color: var(--muted); font-size: 13px; }

.section { padding: 92px 0; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.section-heading.left { margin: 0; text-align: left; }
.section-heading h2, .cta-row h2 { margin: 0; color: var(--blue-950); font-size: clamp(31px, 4vw, 47px); font-weight: 700; letter-spacing: -.035em; line-height: 1.12; }
.section-heading > p:last-child { margin: 17px 0 0; color: var(--muted); font-size: 17px; }
.three-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-card, .use-card, .related-card { height: 100%; padding: 30px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 14px 38px rgba(40, 75, 110, .055); }
.card-number { display: block; margin-bottom: 34px; color: var(--brand-blue); font-size: 13px; font-weight: 600; letter-spacing: .12em; }
.info-card h3, .use-card h3, .related-card h3 { margin: 0; color: var(--blue-950); font-size: 21px; font-weight: 600; line-height: 1.3; }
.info-card p, .use-card p, .related-card p { margin: 12px 0 0; color: var(--muted); font-size: 15px; }
.split-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); gap: 76px; align-items: start; }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 25px; color: var(--brand-blue-dark); font-weight: 600; }
.text-link:hover, .related-card strong:hover { color: var(--brand-blue); }
.feature-checklist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.feature-checklist li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; min-height: 84px; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--blue-900); font-weight: 500; }
.feature-checklist i { display: flex; width: 23px; height: 23px; align-items: center; justify-content: center; border-radius: 50%; background: var(--blue-100); color: var(--brand-blue); font-size: 11px; }
.use-icon { display: flex; width: 46px; height: 46px; align-items: center; justify-content: center; margin-bottom: 34px; border-radius: 8px; background: var(--blue-100); color: var(--brand-blue); font-size: 19px; }
.section-navy { background: var(--blue-950); color: #fff; }
.section-navy .eyebrow { color: #8fc0ff; }
.cta-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 50px; align-items: center; }
.cta-row h2 { max-width: 720px; color: #fff; }
.cta-row p:last-child { max-width: 720px; margin: 17px 0 0; color: #c7d8eb; }
.cta-actions { display: flex; gap: 12px; }
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(440px, 1.2fr); gap: 76px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 20px; color: var(--blue-950); font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 22px; font-weight: 400; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: 0; padding: 0 42px 24px 0; color: var(--muted); }
.related-card { display: block; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.related-card:hover { transform: translateY(-3px); border-color: #9fc7f8; box-shadow: 0 20px 46px rgba(40, 128, 240, .12); }
.related-card > span { display: block; margin-bottom: 22px; color: var(--brand-blue-dark); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.related-card strong { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; color: var(--brand-blue-dark); font-size: 14px; }

.site-footer { padding: 64px 0 24px; background: var(--blue-950); color: #b9cce0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 54px; }
.footer-grid p { max-width: 390px; }
.footer-socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.footer-socials a { display: inline-flex !important; width: 36px; height: 36px; align-items: center; justify-content: center; margin: 0 !important; border: 1px solid rgba(200, 216, 233, .28); border-radius: 50%; background: rgba(255, 255, 255, .08); color: #dbe9ff !important; font-size: 16px; }
.footer-socials a:hover { border-color: var(--brand-blue); background: var(--brand-blue); color: #fff !important; }
.footer-grid h2 { margin: 0 0 16px; color: #fff; font-size: 15px; font-weight: 600; }
.footer-grid a { display: block; margin: 10px 0; color: #c8d8e9; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .14); font-size: 13px; }

.public-content { padding: 78px 0 96px; background: linear-gradient(180deg, var(--blue-050) 0, #fff 300px); }
.public-heading { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.public-heading h1 { margin: 0; color: var(--blue-950); font-size: clamp(36px, 5vw, 58px); font-weight: 700; letter-spacing: -.04em; line-height: 1.08; }
.public-heading p { margin: 16px auto 0; color: var(--muted); font-size: 17px; }
.public-shell { max-width: 920px; margin: 0 auto; padding: 44px 52px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 18px 48px rgba(34, 77, 120, .08); }
.public-kicker { margin-bottom: 12px; color: var(--brand-blue-dark); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.public-shell h1 { margin: 0; color: var(--blue-950); font-size: clamp(32px, 4vw, 48px); font-weight: 700; line-height: 1.12; }
.public-meta { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.public-article { margin-top: 34px; color: #42546a; font-size: 16px; line-height: 1.8; }
.public-article h2 { margin: 36px 0 11px; color: var(--blue-950); font-size: 24px; font-weight: 600; line-height: 1.35; }
.public-article h3 { margin: 26px 0 9px; color: var(--blue-950); font-size: 19px; font-weight: 600; }
.public-article p, .public-article ul, .public-article ol { margin-bottom: 17px; }
.public-article ul, .public-article ol { padding-left: 24px; }
.public-article li + li { margin-top: 7px; }
.public-article a { color: var(--brand-blue-dark); font-weight: 600; }
.public-article a:hover { color: var(--brand-blue); }

.blog-content { padding: 74px 0 96px; background: linear-gradient(180deg, var(--blue-050) 0, #fff 360px); }
.blog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.blog-card { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 14px 36px rgba(34, 77, 120, .06); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.blog-card:hover { transform: translateY(-3px); border-color: #9fc7f8; box-shadow: 0 20px 48px rgba(40, 128, 240, .13); }
.blog-card img { display: block; width: 100%; aspect-ratio: 1.65; object-fit: cover; }
.blog-card-body { padding: 24px 26px 27px; }
.blog-card h2 { margin: 0; color: var(--blue-950); font-size: 21px; font-weight: 600; line-height: 1.3; }
.blog-card-label { margin: 0 0 10px; color: var(--brand-blue-dark); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.blog-article-shell { max-width: 940px; }
.blog-article-shell > img { display: block; width: 100%; max-height: 540px; margin: 30px 0 36px; border-radius: 10px; object-fit: cover; }
.blog-article-shell .public-article { margin-top: 0; }
.empty { padding: 45px; border: 1px solid var(--line); border-radius: 12px; background: #fff; text-align: center; }
.empty h2 { margin: 0; color: var(--blue-950); font-weight: 600; }
.empty p { margin: 10px 0 0; color: var(--muted); }

@media (max-width: 900px) {
    .primary-nav, .site-nav { display: none; }
    .hero-grid, .split-grid, .faq-grid { grid-template-columns: 1fr; }
    .hero-grid { min-height: auto; padding: 65px 0; }
    .hero-panel { max-width: 620px; }
    .three-grid { grid-template-columns: 1fr; }
    .split-grid, .faq-grid { gap: 44px; }
    .cta-row { grid-template-columns: 1fr; }
    .cta-actions { justify-self: start; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    .site-nav { position: absolute; top: calc(100% + 1px); right: 20px; left: 20px; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: 0 20px 60px rgba(7, 26, 61, .10); }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: 12px 14px; border-radius: 5px; }
    .site-nav a:hover { background: var(--blue-050); }
    .menu-toggle { display: inline-flex; }
    .header-cta { display: none; }
}

@media (max-width: 600px) {
    .container { width: min(100% - 28px, 1180px); }
    .header-row { min-height: 68px; }
    .brand img { width: 175px; max-width: 175px; }
    .header-cta { min-height: 42px; padding: 0 14px; }
    .hero h1 { font-size: 40px; }
    .hero-copy { font-size: 17px; }
    .hero-actions, .cta-actions { display: grid; }
    .hero-actions .button, .cta-actions .button { width: 100%; }
    .feature-checklist { grid-template-columns: 1fr; }
    .section, .public-content, .blog-content { padding: 70px 0; }
    .footer-grid, .blog-grid { grid-template-columns: 1fr; }
    .footer-grid > div:first-child { grid-column: auto; }
    .public-shell { padding: 29px 22px; }
    .public-article { margin-top: 26px; font-size: 15px; line-height: 1.72; }
    .public-article h2 { margin-top: 28px; font-size: 21px; }
}