@font-face {
    font-family: 'Open Sans';
    src: url('/fonts/open-sans-latin.woff2') format('woff2');
    font-weight: 300 800;
    font-style: normal;
    font-display: swap;
}

:root {
    --blue: #0464b1;
    --blue-dark: #034c87;
    --ink: #243440;
    --muted: #62717d;
    --line: #dfe6ec;
    --surface: #f5f7f9;
    --pale-blue: #edf4fa;
    font-family: 'Open Sans', 'Segoe UI', sans-serif;
    color: var(--ink);
    background: #fff;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    scroll-padding-top: 104px;
}

* { box-sizing: border-box; }
body { margin: 0; font-size: 1rem; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button, summary { cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
::selection { background: #cde6fa; color: #18394f; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(2.8rem, 4.25vw, 3.7rem); letter-spacing: -.055em; font-weight: 700; }
h2 { font-size: clamp(1.85rem, 3vw, 2.4rem); font-weight: 600; letter-spacing: -.045em; }
h3 { font-size: 1.22rem; font-weight: 600; letter-spacing: -.025em; }
img { max-width: 100%; display: block; }
svg { display: block; }
[hidden] { display: none !important; }
.container { width: min(1184px, calc(100% - 96px)); margin-inline: auto; }
.section { padding-block: 94px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: .7rem; font-weight: 700; line-height: 1.5; text-transform: uppercase; letter-spacing: .13em; }
.eyebrow-rule { width: 22px; height: 2px; background: var(--blue); flex: 0 0 auto; }
.section-heading { margin-bottom: 43px; }
.section-heading .eyebrow, .product-intro .eyebrow, .story-copy .eyebrow, .questions-grid .eyebrow { margin-bottom: 17px; }
.split-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; }
.split-heading > p { max-width: 360px; color: var(--muted); font-size: .94rem; line-height: 1.8; padding-bottom: 3px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 11px 21px; border: 1px solid transparent; border-radius: 4px; font-weight: 600; font-size: .84rem; line-height: 1.5; transition: background-color .18s ease, border-color .18s ease; }
.button-primary { background: var(--blue); color: #fff; }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: var(--ink); border-color: #ccd6df; background: #fff; }
.button-secondary:hover { border-color: var(--blue); background: #f4f9fd; }
.button-small { min-height: 42px; padding: 8px 20px; }
.button-white { background: #fff; color: #154467; min-width: 220px; }
.button-white:hover { background: #e4eff8; }
.text-link { display: inline-block; color: var(--blue); font-size: .88rem; font-weight: 600; border-bottom: 1px solid #a6c7e2; padding-bottom: 3px; }
.text-link:hover { border-color: var(--blue); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 30; padding: 10px 20px; background: #fff; border: 2px solid var(--blue); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 87px; gap: 32px; }
.brand-link { display: inline-flex; align-items: center; }
.wordmark { font-size: 1.7rem; font-weight: 750; letter-spacing: -.065em; color: #65707a; line-height: 1.2; }
.wordmark > span:first-child { color: var(--blue); }
.wordmark .wordmark-period { color: var(--blue); padding-left: 1px; }
.main-navigation { display: flex; gap: 31px; align-items: center; }
.main-navigation > a:not(.button) { font-size: .82rem; font-weight: 600; color: #52606b; padding-block: 10px; }
.main-navigation > a:not(.button):hover { color: var(--blue); }
.main-navigation .button { margin-left: 5px; }
.menu-toggle { display: none; }

.hero { overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.16fr; gap: 58px; align-items: center; padding-top: 82px; padding-bottom: 57px; }
.hero-copy { padding-bottom: 28px; }
.hero-copy .eyebrow { margin-bottom: 24px; font-size: .66rem; letter-spacing: .105em; }
.hero h1 span { color: var(--blue); }
.hero-description { margin-top: 25px; color: var(--muted); max-width: 420px; line-height: 1.8; font-size: 1.04rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin-top: 21px; font-size: .76rem; line-height: 1.75; color: var(--muted); max-width: 350px; }
.preview-composition { position: relative; margin: 0; padding-top: 8px; min-width: 0; }
.preview-composition::before { content: ''; position: absolute; z-index: -1; inset: -16px -26px 80px 27px; background: var(--pale-blue); border: 1px solid #e3edf5; border-radius: 6px; }
.explorer-preview { display: block; background: #fff; border: 1px solid #ccd7e0; border-radius: 6px; box-shadow: 0 12px 32px #1a405914; overflow: hidden; transition: border-color .18s ease; }
.explorer-preview:hover { border-color: var(--blue); }
.explorer-screenshot { width: 100%; height: auto; }
.preview-caption { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-top: 18px; font-size: .75rem; line-height: 1.7; color: var(--muted); }
.preview-caption strong { display: block; font-weight: 600; color: #354b5a; }
.preview-caption span { display: block; font-size: .68rem; margin-top: 3px; }
.preview-live-link { color: var(--blue); font-weight: 600; border-bottom: 1px solid #a6c7e2; flex-shrink: 0; }
.preview-live-link:hover { border-color: var(--blue); }
.hero-foundation { display: grid; grid-template-columns: 1.05fr 1fr 1.15fr 1.25fr; align-items: center; gap: 32px; padding-block: 30px 32px; border-top: 1px solid var(--line); }
.hero-foundation > p { color: var(--muted); font-size: .77rem; line-height: 1.7; }
.hero-foundation > p > strong { font-weight: 600; color: var(--ink); }
.hero-foundation > div { padding-left: 27px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; font-size: .79rem; font-weight: 500; }
.hero-foundation .foundation-label { color: #6a7b88; font-size: .56rem; font-weight: 500; letter-spacing: .085em; }

.use-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.use-case { padding: 28px 31px 0; border-left: 1px solid var(--line); }
.use-case:first-child { padding-left: 0; border-left: 0; }
.use-case:last-child { padding-right: 0; }
.use-case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.case-number { font-size: .7rem; color: #718391; font-variant-numeric: tabular-nums; }
.use-case-top svg { width: 31px; height: 31px; stroke: var(--blue); stroke-width: 1.3; }
.use-case h3 { margin-bottom: 14px; }
.use-case > p { font-size: .9rem; line-height: 1.85; color: var(--muted); }
.use-case-foot { display: block; margin-top: 27px; padding-top: 18px; border-top: 1px solid #e8edf1; font-size: .71rem; font-weight: 600; color: #4c606e; }

.product-section { background: var(--surface); border-top: 1px solid #eaf0f4; border-bottom: 1px solid #eaf0f4; padding-bottom: 30px; }
.product-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 115px; }
.product-intro > p:not(.eyebrow) { margin-block: 23px; color: var(--muted); font-size: .94rem; line-height: 1.85; max-width: 360px; }
.feature-list { margin-top: -10px; }
.feature-list article { display: flex; gap: 21px; padding-block: 24px; border-bottom: 1px solid #dce4eb; }
.feature-list article:first-child { padding-top: 10px; }
.feature-list article:last-child { border-bottom: 0; padding-bottom: 0; }
.feature-index { padding-top: 2px; color: var(--blue); font-size: .69rem; font-weight: 600; }
.feature-list h3 { font-size: 1.06rem; margin-bottom: 9px; }
.feature-list p { color: var(--muted); font-size: .88rem; line-height: 1.85; }
.technology-note { margin-top: 62px; padding-top: 25px; border-top: 1px solid #dce4eb; display: flex; justify-content: space-between; gap: 24px; align-items: center; color: var(--muted); font-size: .71rem; }
.technology-note > span:first-child { font-weight: 600; color: #465e70; }
.technology-note p { color: #4a5d6b; font-size: .75rem; }
.technology-note p > span { padding: 0 12px; color: #96a8b6; }

.explorer-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.explorer-card { border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 4px; padding: 30px 32px 0; }
.explorer-card-top { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-bottom: 31px; }
.explorer-name { font-size: 1.7rem; font-weight: 750; letter-spacing: -.055em; color: #80878d; line-height: 1; }
.explorer-name > span { color: var(--blue); }
.network-tag { font-size: .64rem; font-weight: 500; border: 1px solid var(--line); padding: 3px 9px; border-radius: 3px; color: #657786; }
.explorer-card .eyebrow { font-size: .61rem; margin-bottom: 12px; letter-spacing: .11em; }
.explorer-card h3 { font-size: 1.4rem; }
.explorer-card h3 + p { margin-top: 16px; font-size: .89rem; line-height: 1.85; color: var(--muted); }
.explorer-card-bottom { margin-top: 28px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; }
.explorer-card-bottom > span { font-size: .65rem; color: #71818e; }
.explorer-card-bottom .button { min-height: 39px; font-size: .75rem; padding: 8px 13px; flex: 0 0 auto; }
.bnb-card { border-top-color: #bc922e; }
.bnb-card .explorer-name > span { color: #aa8022; }
.bnb-card .eyebrow { color: #8a681d; }

.story-section { background: #f6f8fa; }
.story-grid { display: grid; grid-template-columns: 1.07fr 1fr; gap: 77px; align-items: center; }
.story-visual { min-width: 0; }
.archive-label { display: flex; justify-content: space-between; align-items: center; gap: 16px; color: #6d7e8b; font-size: .61rem; padding-bottom: 14px; }
.archive-label > span:first-child { color: #4d6577; font-weight: 600; }
.legacy-screenshot { border: 1px solid #d5dfe7; border-radius: 4px; box-shadow: 0 5px 18px #213a4b0a; height: auto; width: 100%; }
.image-caption { padding-top: 14px; font-size: .65rem; color: #71828e; line-height: 1.8; }
.story-copy h2 { font-size: 2rem; }
.story-copy > p:not(.eyebrow) { color: var(--muted); font-size: .91rem; line-height: 1.85; margin-top: 20px; }
.story-copy > p.story-closing { color: #2e4c61; font-weight: 600; }

.questions-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 85px; }
.questions-intro { margin-top: 20px; color: var(--muted); font-size: .9rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 22px; font-size: .91rem; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { width: 12px; height: 12px; flex: 0 0 auto; position: relative; }
.faq-list summary > span::before, .faq-list summary > span::after { content: ''; position: absolute; left: 0; top: 5px; height: 1px; width: 12px; background: var(--blue); }
.faq-list summary > span::after { transform: rotate(90deg); }
.faq-list details[open] summary > span::after { transform: rotate(0); }
.faq-list details[open] summary { color: var(--blue); padding-bottom: 14px; }
.faq-list details > p { color: var(--muted); line-height: 1.85; font-size: .87rem; padding-bottom: 23px; padding-right: 30px; }

.contact-section { background: #123c5b; color: #fff; padding-block: 67px 71px; border-top: 4px solid var(--blue); }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 90px; }
.contact-grid .eyebrow { color: #a5c6df; margin-bottom: 17px; font-size: .64rem; }
.contact-grid h2 { font-size: 2.8rem; letter-spacing: -.045em; line-height: 1.25; }
.contact-grid > div > p:not(.eyebrow) { color: #c3d2df; font-size: .9rem; line-height: 1.85; max-width: 440px; margin-top: 20px; }
.contact-action { justify-self: center; text-align: center; }
.contact-email { display: block; width: max-content; margin: 16px auto 0; font-size: .85rem; color: #e1eaf1; border-bottom: 1px solid #627f95; line-height: 1.6; }
.contact-email:hover { border-color: #fff; }
.contact-grid .contact-action > p { margin-top: 20px; font-size: .71rem; color: #b5c9d8; }

.site-footer { padding: 45px 0 22px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.footer-top .wordmark { font-size: 1.4rem; }
.footer-top p { font-size: .72rem; margin-top: 10px; color: var(--muted); }
.footer-links { display: flex; gap: 28px; font-size: .75rem; color: #586c7c; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 20px; color: #72808b; font-size: .65rem; }
.error-page { padding-block: 100px 140px; }
.error-page h1 { margin-bottom: 24px; }
.error-page .button { margin-top: 28px; }

@media (min-width: 1440px) {
    .hero-grid { padding-top: 94px; padding-bottom: 69px; }
}

@media (max-width: 1100px) {
    .container { width: calc(100% - 64px); }
    .hero-grid { gap: 36px; grid-template-columns: 1fr 1.05fr; }
    .hero-actions { gap: 9px; }
    .hero-actions .button { padding-inline: 14px; font-size: .76rem; }
    .hero-description { font-size: .96rem; }
    .hero-foundation { gap: 20px; }
    .hero-foundation > div { padding-left: 20px; font-size: .71rem; }
    .product-grid { gap: 65px; }
    .story-grid { gap: 45px; }
    .explorer-card { padding-inline: 24px; }
    .explorer-card-bottom { flex-wrap: wrap; }
}

@media (max-width: 850px) {
    :root { scroll-padding-top: 90px; }
    .container { width: calc(100% - 48px); }
    .section { padding-block: 68px; }
    .header-inner { min-height: 74px; }
    .wordmark { font-size: 1.55rem; }
    .main-navigation { gap: 18px; }
    .main-navigation > a:not(.button) { font-size: .72rem; }
    .main-navigation .button { min-height: 38px; padding-inline: 14px; font-size: .74rem; }
    .hero-grid { grid-template-columns: 1fr; padding-top: 52px; gap: 34px; padding-bottom: 30px; }
    .hero-copy { padding-bottom: 0; max-width: 580px; }
    h1 { font-size: 3.5rem; }
    .hero-description { max-width: 480px; font-size: 1rem; }
    .hero-actions .button { font-size: .85rem; padding-inline: 22px; }
    .hero-note { max-width: 480px; }
    .preview-composition { max-width: 590px; width: calc(100% - 20px); margin-inline: auto; }
    .hero-foundation { grid-template-columns: 1fr 1fr; row-gap: 26px; padding-block: 27px; }
    .hero-foundation > div { font-size: .79rem; }
    .hero-foundation > div:nth-child(3) { border-left: 0; padding-left: 0; }
    .split-heading { display: block; }
    .split-heading > p { margin-top: 20px; max-width: 500px; }
    .use-case { padding-inline: 19px; }
    .use-case > p { font-size: .82rem; }
    .use-case h3 { font-size: 1.08rem; }
    .use-case-foot { font-size: .64rem; }
    .product-grid { grid-template-columns: 1fr; gap: 35px; }
    .product-intro > p:not(.eyebrow) { max-width: 540px; }
    .technology-note { margin-top: 38px; flex-wrap: wrap; gap: 12px 25px; }
    .technology-note > span:last-child { display: none; }
    .story-grid { grid-template-columns: 1fr; gap: 35px; }
    .story-copy { grid-row: 1; max-width: 570px; }
    .story-visual { max-width: 570px; }
    .story-copy h2 { font-size: 2rem; }
    .questions-grid { grid-template-columns: 1fr; gap: 32px; }
    .questions-intro { margin-top: 15px; }
    .contact-grid { gap: 45px; }
    .contact-grid h2 { font-size: 2.3rem; }
    .contact-grid .contact-action > p br { display: none; }
}

@media (max-width: 600px) {
    .container { width: calc(100% - 40px); }
    .section { padding-block: 54px; }
    .header-inner { min-height: 69px; flex-wrap: wrap; gap: 0; }
    .main-navigation { display: flex; flex-wrap: wrap; width: 100%; padding-bottom: 16px; gap: 8px 22px; }
    .main-navigation > a:not(.button) { font-size: .85rem; }
    .main-navigation .button { margin-left: 0; }
    .js .main-navigation { display: none; }
    .js .main-navigation.is-open { display: flex; }
    .js .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 4px; align-items: center; }
    .menu-toggle > span { width: 18px; height: 1.5px; background: #3b566b; }
    .menu-toggle[aria-expanded='true'] > span:first-child { transform: translateY(3.25px) rotate(45deg); }
    .menu-toggle[aria-expanded='true'] > span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
    h1 { font-size: clamp(2.45rem, 10.5vw, 3.35rem); }
    h2 { font-size: 1.85rem; }
    .hero-grid { padding-top: 43px; gap: 34px; }
    .hero-copy .eyebrow { font-size: .56rem; letter-spacing: .08em; margin-bottom: 21px; gap: 8px; }
    .eyebrow-rule { width: 17px; }
    .hero-description { font-size: .95rem; margin-top: 23px; }
    .hero-actions { margin-top: 26px; gap: 10px; }
    .hero-actions .button { padding-inline: 16px; font-size: .75rem; }
    .hero-note { font-size: .69rem; }
    .preview-composition { width: 100%; padding-top: 0; }
    .preview-composition::before { inset: -11px -10px 75px 13px; }
    .preview-caption { font-size: .7rem; padding-top: 14px; gap: 12px; }
    .preview-caption span { font-size: .63rem; }
    .hero-foundation { gap: 22px 15px; padding-block: 24px; }
    .hero-foundation > p { font-size: .7rem; }
    .hero-foundation > div { padding-left: 15px; font-size: .68rem; gap: 6px; }
    .hero-foundation .foundation-label { font-size: .49rem; letter-spacing: .05em; }
    .section-heading { margin-bottom: 28px; }
    .split-heading > p { font-size: .87rem; }
    .use-case-grid { grid-template-columns: 1fr; }
    .use-case, .use-case:first-child, .use-case:last-child { padding: 25px 0; border-left: 0; border-bottom: 1px solid var(--line); }
    .use-case:last-child { padding-bottom: 0; border-bottom: 0; }
    .use-case-top { margin-bottom: 18px; }
    .use-case h3 { font-size: 1.2rem; }
    .use-case > p { font-size: .91rem; }
    .use-case-foot { border-top: 0; padding-top: 0; margin-top: 19px; font-size: .73rem; }
    .feature-list article { gap: 16px; }
    .feature-list h3 { font-size: 1rem; }
    .feature-list p { font-size: .87rem; }
    .technology-note { display: block; }
    .technology-note p { margin-top: 9px; font-size: .67rem; }
    .technology-note p > span { padding-inline: 7px; }
    .explorer-cards { grid-template-columns: 1fr; gap: 22px; }
    .explorer-card { padding: 24px 23px 0; }
    .explorer-card-top { padding-bottom: 26px; }
    .explorer-card h3 { font-size: 1.35rem; }
    .explorer-card-bottom { gap: 12px; margin-top: 23px; }
    .explorer-card-bottom > span { font-size: .62rem; }
    .story-copy h2 { font-size: 1.8rem; }
    .story-copy > p:not(.eyebrow) { font-size: .89rem; }
    .archive-label { font-size: .53rem; }
    .image-caption { font-size: .6rem; }
    .faq-list summary { font-size: .85rem; padding-block: 21px; }
    .faq-list details > p { padding-right: 12px; font-size: .84rem; }
    .contact-section { padding-block: 49px; }
    .contact-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact-action { justify-self: start; text-align: left; }
    .contact-email { margin-left: 0; }
    .contact-grid h2 { font-size: 2.35rem; }
    .contact-grid .contact-action > p { max-width: 280px; font-size: .74rem; }
    .footer-top { flex-direction: column; align-items: flex-start; gap: 28px; }
    .footer-links { gap: 25px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; font-size: .61rem; }
}

@media (prefers-reduced-motion: reduce) {
    :root { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}
