:root {
  --nexas-navy: #031b42;
  --nexas-blue: #274a7d;
  --nexas-mid: #4482b3;
  --nexas-teal: #0399a1;
  --nexas-mist: #d8dbe0;
  --nexas-paper: #f5f8fa;
  --nexas-white: #fff;
  --nexas-ink: #17263b;
  --brand-text-nexas-light-bg: #0D182A;
  --brand-text-360: #0062A3;
  --brand-text-nexas-dark-bg: #E6E8EB;
  --brand-text-360-dark-bg: #008BC7;
  --content: 1180px;
  --shadow: 0 28px 80px rgb(3 27 66 / 16%);
}
* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
.institutional-site { min-height: 100vh; margin: 0; overflow-x: hidden; color: var(--nexas-ink); background: var(--nexas-white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
.institutional-site img { display: block; max-width: 100%; height: auto; }
.institutional-site a { color: inherit; }
.institutional-container { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
.institutional-skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; border-radius: 8px; color: #fff; background: var(--nexas-navy); transform: translateY(-170%); transition: transform .16s; }
.institutional-skip-link:focus { transform: translateY(0); }
.institutional-site :focus-visible { outline: 3px solid var(--nexas-teal); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.brand-name { display: inline; font: inherit; font-weight: inherit; }
.brand-name--light .brand-name__nexas { color: var(--brand-text-nexas-light-bg); }
.brand-name--light .brand-name__360 { color: var(--brand-text-360); }
.brand-name--dark .brand-name__nexas { color: var(--brand-text-nexas-dark-bg); }
.brand-name--dark .brand-name__360 { color: var(--brand-text-360-dark-bg); }
.hero-actions .institutional-button--brand .brand-name__360,
.access-card h2 .brand-name__360 { color: #0087A8; }
.origin-section .section-copy p:first-child .brand-name,
.principle-grid article:nth-child(4) .brand-name { font-weight: 700; }
.origin-section .section-copy p:first-child .brand-name__360,
.principle-grid article:nth-child(4) .brand-name__360 { color: #0087A8; }
.contact-kicker .brand-name__nexas { color: #0D182A; }
.contact-kicker .brand-name__360 { color: #0087A8; }

.institutional-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgb(3 27 66 / 9%); background: rgb(255 255 255 / 94%); backdrop-filter: blur(16px); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand-link { display: inline-flex; align-items: center; }
.brand-link img { width: clamp(210px, 20vw, 250px); }
.institutional-nav { display: flex; align-items: center; gap: 30px; }
.institutional-nav > a:not(.institutional-button), .footer-links a { font-size: .9rem; font-weight: 700; text-decoration: none; }
.institutional-nav > a:not(.institutional-button):hover, .footer-links a:hover, .phone-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: var(--nexas-navy); }

.institutional-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 21px; border: 1px solid var(--nexas-blue); border-radius: 999px; color: #fff !important; background: var(--nexas-blue); font-weight: 800; text-decoration: none; box-shadow: 0 12px 30px rgb(39 74 125 / 18%); transition: transform .16s, background .16s, box-shadow .16s; }
.institutional-button:hover { transform: translateY(-2px); background: var(--nexas-navy); box-shadow: 0 16px 36px rgb(3 27 66 / 22%); }
.institutional-button--small { min-height: 42px; padding: 9px 18px; }
.institutional-button--light { border-color: #fff; color: var(--nexas-navy) !important; background: #fff; }
.institutional-button--light:hover { color: #fff !important; }
.institutional-button--brand { border-color: #0D182A; background: #0D182A; }
.institutional-button--brand:hover { background: #071628; }

.institutional-hero { position: relative; isolation: isolate; min-height: 690px; display: flex; align-items: center; overflow: hidden; background: linear-gradient(120deg, #fff 0%, #f5f8fa 54%, rgb(216 219 224 / 65%) 100%); }
.institutional-hero::before { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .45; background-image: radial-gradient(circle, rgb(68 130 179 / 20%) 1px, transparent 1.5px); background-size: 28px 28px; mask-image: linear-gradient(90deg, transparent 16%, #000 100%); }
.hero-glow { position: absolute; z-index: -1; width: 620px; height: 620px; right: -180px; top: -160px; border-radius: 50%; background: rgb(3 153 161 / 18%); filter: blur(26px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); align-items: center; gap: clamp(42px, 7vw, 108px); padding-block: clamp(72px, 9vw, 128px); }
.hero-copy { max-width: 700px; }
.status { width: max-content; display: flex; align-items: center; gap: 10px; margin: 0 0 28px; padding: 8px 14px; border: 1px solid rgb(3 153 161 / 35%); border-radius: 999px; background: rgb(255 255 255 / 70%); font-size: .84rem; font-weight: 750; }
.status span { width: 8px; height: 8px; border-radius: 50%; background: var(--nexas-teal); box-shadow: 0 0 0 5px rgb(3 153 161 / 12%); }
.eyebrow { margin: 0 0 14px; text-transform: uppercase; letter-spacing: .15em; font-size: .76rem !important; font-weight: 850; color: var(--nexas-blue); }
.hero-copy h1 { max-width: 760px; margin: 0; color: var(--nexas-navy); font-size: clamp(3.2rem, 6.5vw, 6rem); font-weight: 780; letter-spacing: -.055em; line-height: .96; }
.hero-intro { max-width: 650px; margin: 28px 0 0; font-size: clamp(1.1rem, 2vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: stretch; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-actions .institutional-button { min-width: 226px; }
.hero-visual { min-height: 470px; display: grid; place-items: center; }
.hero-visual img { width: min(88%, 420px); filter: drop-shadow(0 24px 34px rgb(3 27 66 / 16%)); }

.origin-section, .platform-section, .access-section { padding-block: clamp(76px, 10vw, 136px); }
.origin-section { background: #fff; }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 8vw, 120px); align-items: start; }
.split-grid h2, .section-heading h2, .access-card h2, .contact-inner h2 { margin: 0; color: var(--nexas-navy); font-size: clamp(2.2rem, 4.6vw, 4rem); letter-spacing: -.045em; line-height: 1.08; }
.section-copy { padding-top: 30px; border-top: 1px solid rgb(3 27 66 / 16%); }
.section-copy p, .section-heading > p, .access-card p { font-size: 1.1rem; line-height: 1.8; }
.platform-section { background: var(--nexas-paper); }
.section-heading { max-width: 820px; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 58px; }
.principle-grid article { min-height: 285px; padding: 30px; border: 1px solid rgb(3 27 66 / 10%); border-radius: 20px; background: #fff; box-shadow: 0 14px 40px rgb(3 27 66 / 6%); }
.principle-grid article > span { color: var(--nexas-teal); font-weight: 850; }
.principle-grid h3 { margin: 48px 0 12px; color: var(--nexas-navy); font-size: 1.25rem; }
.principle-grid p { margin: 0; color: #48566a; }
.access-section { background: #fff; }
.access-card { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 52px 58px; border-radius: 28px; color: #fff; background: #0D182A; box-shadow: var(--shadow); }
.access-card h2, .access-card .eyebrow { color: #fff; }
.access-card p { max-width: 680px; margin-bottom: 0; }

.contact-section { padding-block: clamp(68px, 8vw, 105px); color: #fff; background: #0062A3; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.contact-inner h2 { max-width: 790px; color: #fff; }
.contact-kicker { margin: 0 0 14px; font-size: 1.02rem; font-weight: 800; }

.contact-actions { display: grid; justify-items: stretch; gap: 14px; min-width: 220px; }
.contact-button { position: relative; }
.contact-tooltip { position: absolute; z-index: 2; left: 50%; bottom: calc(100% + 12px); width: max-content; max-width: calc(100vw - 32px); padding: 7px 11px; border-radius: 8px; color: #0D182A; background: #E6E8EB; font-size: .82rem; font-weight: 750; line-height: 1.2; opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 4px); transition: opacity .16s, transform .16s, visibility .16s; }
.contact-tooltip::after { position: absolute; top: 100%; left: 50%; width: 8px; height: 8px; content: ""; background: #E6E8EB; transform: translate(-50%, -50%) rotate(45deg); }
.contact-button:hover .contact-tooltip,
.contact-button:focus .contact-tooltip,
.contact-button:focus-visible .contact-tooltip { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.institutional-footer { padding-block: 54px; background: #071628; color: #fff; }
.footer-inner { display: grid; grid-template-columns: 1.2fr .8fr auto; align-items: end; gap: 48px; }
.footer-inner .footer-brand { width: clamp(130px, 15vw, 160px); }
.footer-inner p { margin: 16px 0 0; color: rgb(255 255 255 / 72%); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.copyright { color: var(--brand-text-nexas-dark-bg) !important; white-space: nowrap; }

.host-surface-error { min-height: 100vh; display: grid; place-items: center; padding: 32px; background: var(--nexas-paper); }
.host-surface-error__card { max-width: 560px; padding: 48px; border-radius: 24px; background: #fff; box-shadow: var(--shadow); text-align: center; }
.host-surface-error__card img { width: 180px; margin: 0 auto 28px; }
.host-surface-error__card h1 { color: var(--nexas-navy); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr minmax(280px, .7fr); }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .copyright { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .institutional-container { width: min(calc(100% - 32px), var(--content)); }
  .header-inner { min-height: 76px; }
  .brand-link img { width: 205px; }
  .menu-toggle { display: block; }
  .institutional-nav { position: absolute; top: 76px; left: 16px; right: 16px; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 14px; border: 1px solid rgb(3 27 66 / 12%); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
  .institutional-nav.is-open { display: flex; }
  .institutional-nav a { padding: 13px; }
  .institutional-hero { min-height: auto; }
  .institutional-hero::before { mask-image: linear-gradient(180deg, transparent, #000); }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; padding-block: 60px 70px; }
  .hero-copy h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero-visual { min-height: 300px; }
  .hero-visual img { width: min(78vw, 330px); }
  .hero-actions { flex-direction: column; }
  .hero-actions .institutional-button { width: 100%; min-width: 0; }
  .split-grid { grid-template-columns: 1fr; gap: 30px; }
  .section-copy { padding-top: 24px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid article { min-height: 220px; }
  .access-card, .contact-inner { align-items: flex-start; flex-direction: column; padding: 36px 26px; }
  .contact-inner { padding-inline: 0; }
  .contact-actions { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; align-items: start; }
  .copyright { grid-column: auto; }
}
@media (max-width: 390px) {
  .brand-link img { width: 180px; }
  .hero-copy h1 { font-size: 2.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .institutional-button, .institutional-skip-link { transition: none; }
}