/* NTTB site styles, adapted from the reference design */
:root {
  --navy: #071427;
  --navy2: #0d2a49;
  --ink: #10233d;
  --blue: #1976d2;
  --cyan: #2dd4bf;
  --off: #f4f8fb;
  --line: #dbe5ee;
  --muted: #607086;
  --body: "Manrope", sans-serif;
  --display: "Space Grotesk", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { color: var(--ink); font-family: var(--body), sans-serif; margin: 0; background: #fff; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 48px)); margin: auto; }
header { z-index: 20; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); background: #fffffff0; border-bottom: 1px solid #10233d12; height: 82px; position: fixed; inset: 0 0 auto; }
.nav { justify-content: space-between; align-items: center; width: min(1240px, calc(100% - 48px)); height: 100%; margin: auto; display: flex; }
.brand { align-items: center; gap: 12px; display: flex; }
.brand > span:last-child { flex-direction: column; display: flex; }
.brand b { font: 700 25px/1 var(--display); letter-spacing: .07em; }
.brand small { letter-spacing: .22em; color: #687a8d; margin-top: 5px; font-size: 8px; font-weight: 800; }
.mark { align-items: flex-end; gap: 3px; width: 34px; height: 35px; display: flex; transform: skew(-10deg); }
.mark i { background: #1976d2; border-radius: 2px; width: 8px; height: 18px; display: block; }
.mark i:nth-child(2) { height: 26px; }
.mark i:nth-child(3) { background: var(--cyan); height: 35px; }
nav { align-items: center; gap: 18px; font-size: 14px; font-weight: 700; display: flex; }
nav > a:hover { color: var(--blue); }
.navCta { background: var(--navy); border-radius: 4px; padding: 15px 18px; color: #fff !important; }
.menu { background: transparent; border: 0; display: none; padding: 8px; cursor: pointer; }
.menu i { background: var(--navy); width: 23px; height: 2px; margin: 5px; display: block; }
.hero { background: var(--navy); color: #fff; min-height: 730px; padding: 162px 0 74px; overflow: hidden; }
.heroGrid { grid-template-columns: 1.2fr .8fr; align-items: center; gap: 48px; display: grid; }
.eyebrow { text-transform: uppercase; letter-spacing: .22em; color: #8fdcff; align-items: center; gap: 10px; margin: 0 0 24px; font-size: 12px; font-weight: 800; display: flex; }
.eyebrow i { background: var(--cyan); width: 26px; height: 2px; display: block; }
.dark { color: #397bb3; }
.hero h1, .heading h2, .approach h2, .technology h2, .about h2, .contact h2, h2 { font-family: var(--display); letter-spacing: -.045em; line-height: 1.2; }
.hero h1 { margin: 0; font-size: clamp(40px, 4.6vw, 64px); line-height: 1.12; letter-spacing: -.045em; }
.hero h1 em { color: #79cef5; font-style: normal; }
.lede { color: #b6c6d7; max-width: 650px; margin: 30px 0 36px; font-size: 18px; line-height: 1.75; }
.actions { align-items: center; gap: 35px; display: flex; }
.btn { border-radius: 4px; padding: 17px 23px; font-size: 14px; font-weight: 800; display: inline-flex; color: #fff; cursor: pointer; border: 0; background: transparent; }
.blue { background: var(--blue); }
.light { color: var(--navy); background: #fff; }
.explore { border-bottom: 1px solid #6d7f92; padding-bottom: 8px; font-size: 14px; font-weight: 800; color: #fff; }
.architecture { background: #0d2239; border: 1px solid #38506b; border-radius: 4px; padding: 30px; }
.diagramLabel { letter-spacing: .12em; color: #8fdcff; font-size: 12px; }
.architectureCore { font: 600 22px/1.4 var(--display); text-align: center; border: 1px solid #3d8bbb; margin-top: 24px; padding: 26px 18px; }
.architectureLayers { gap: 10px; margin-top: 16px; display: grid; }
.architectureLayers span { color: #b9cedf; border: 1px solid #284863; padding: 14px; }
.architecture p { color: #8fb1cb; font-size: 14px; line-height: 1.6; }
.section { padding: 112px 0; }
.services { background: var(--off); }
.heading { grid-template-columns: 1.35fr .65fr; align-items: end; gap: 70px; margin-bottom: 56px; display: grid; }
.heading h2, .approach h2, .technology h2, .about h2 { margin: 0; font-size: clamp(39px, 4.2vw, 56px); line-height: 1.08; }
.heading > p, .technology > .container > div:first-child > p:not(.eyebrow) { color: var(--muted); line-height: 1.8; }
.cards { border-top: 1px solid var(--line); border-left: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); display: grid; }
.cards article { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; min-height: 330px; padding: 30px; transition: all .25s; }
.cards article:hover { transform: translateY(-5px); box-shadow: 0 18px 45px #10233d17; }
.cards h3 { font: 600 22px/1.28 var(--display); margin: 8px 0 17px; }
.cards p, .step p, .techRow p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.cards small { color: #21659b; background: #e8f4ff; border-radius: 20px; margin-top: 22px; padding: 7px 10px; font-size: 12px; font-weight: 800; display: inline-block; }
.approach, .about { background: var(--navy); color: #fff; padding: 115px 0; }
.split { grid-template-columns: .85fr 1.15fr; gap: 120px; display: grid; }
.approach h2, .about h2 { color: #fff; }
.split > div:first-child > p:not(.eyebrow) { color: #aabacc; margin: 28px 0 35px; line-height: 1.8; }
.steps { border-top: 1px solid #29405a; }
.step { border-bottom: 1px solid #29405a; grid-template-columns: 100px 1fr; gap: 18px; padding: 27px 0; display: grid; }
.step > span { color: var(--cyan); font: 700 14px var(--display); }
.step h3 { font: 600 21px var(--display); margin: 0 0 8px; }
.step p { color: #9bacc0; margin: 0; }
.techGrid { grid-template-columns: .78fr 1.22fr; gap: 120px; display: grid; }
.techGrid > div:first-child > p:not(.eyebrow) { color: var(--muted); line-height: 1.8; }
.techList { border-top: 1px solid var(--line); }
.techRow { border-bottom: 1px solid var(--line); grid-template-columns: 1fr; padding: 23px 0; display: grid; }
.techRow h3 { font: 600 18px var(--display); margin: 0 0 7px; }
.techRow p { margin: 0; }
.aboutGrid { grid-template-columns: .8fr 1.2fr; align-items: center; gap: 120px; display: grid; }
.founder { background: linear-gradient(145deg, #103457, #09182a); border: 1px solid #244664; flex-direction: column; justify-content: space-between; height: 370px; padding: 44px; display: flex; }
.founder > span { color: #90e2f8; width: 115px; height: 115px; font: 600 34px var(--display); background: #174d78; border: 1px solid #45a7cc; border-radius: 50%; place-items: center; display: grid; }
.founder small { letter-spacing: .16em; color: #65bfc9; font-size: 12px; }
.founder h3 { font: 600 24px var(--display); margin: 9px 0; }
.aboutGrid > div:last-child > p:not(.eyebrow) { color: #aebdcb; line-height: 1.8; }
.contact { text-align: center; background: #eaf6ff; padding: 110px 0; }
.contact .container { flex-direction: column; align-items: center; display: flex; }
.contact h2 { margin: 0; font-size: clamp(46px, 5.5vw, 72px); line-height: 1.04; }
.contact p:not(.eyebrow) { color: var(--muted); font-size: 17px; }
.contact a.btn, .contact > .container > a { background: var(--blue); color: #fff; border-radius: 4px; margin-top: 27px; padding: 18px 24px; font-size: 14px; font-weight: 800; }
footer { color: #8191a2; background: #06111f; padding: 31px 0; }
footer > .container { justify-content: space-between; align-items: center; font-size: 12px; display: flex; }
footer .brand b { color: #fff; }
.textLink { color: var(--blue); text-underline-offset: 5px; margin-top: 20px; font-size: 14px; font-weight: 700; text-decoration: underline; display: inline-block; }
.about .textLink { color: #8fdcff; }
.bodyText { color: var(--muted); font-size: 18px; line-height: 1.8; }
.tags { flex-wrap: wrap; gap: 9px; margin: 16px 0; display: flex; }
.tags a, .tags span { border: 1px solid var(--line); background: #edf5fb; border-radius: 3px; padding: 9px 12px; font-size: 14px; }
.tags a:hover { border-color: var(--blue); }
.related { color: var(--blue); flex-wrap: wrap; gap: 20px; margin-top: 20px; font-size: 14px; display: flex; }
.related a { text-underline-offset: 4px; text-decoration: underline; }
.emptyPanel, .callout { border: 1px solid var(--line); background: var(--off); margin: 30px 0; padding: 32px; }
.emptyPanel p, .callout p { color: var(--muted); font-size: 16px; line-height: 1.8; }
.trainingOptions article { border-bottom: 1px solid var(--line); padding: 18px 0; }
.trainingOptions p { color: var(--muted); line-height: 1.8; }
.secondary { font-size: 14px; color: #aebdcb; }
.detail { min-height: 80vh; padding: 140px 0 90px; }
.detail h1 { font: 600 clamp(36px, 5vw, 60px)/1.12 var(--display); letter-spacing: -.035em; max-width: 950px; margin: 20px 0; }
.detail h2 { font: 600 28px/1.25 var(--display); }
.detail h3 { font: 600 22px/1.3 var(--display); }
.detailLede { color: var(--muted); max-width: 850px; margin-bottom: 44px; font-size: 20px; line-height: 1.7; }
.breadcrumb { color: var(--blue); margin-bottom: 28px; font-size: 14px; display: block; }
.detailGrid { grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 35px 0 50px; display: grid; }
.detailGrid article { border: 1px solid var(--line); background: var(--off); padding: 26px; }
.detailGrid p { color: var(--muted); font-size: 16px; line-height: 1.8; }
.detailGrid article h2 { font-size: 24px; }
.capabilities { columns: 2; padding-left: 24px; line-height: 1.8; }
.capabilities li { break-inside: avoid; padding: 7px 0; }
.callout .textLink { margin-left: 24px; }
.status { color: #21659b; background: #e1effc; padding: 8px 12px; font-size: 14px; font-weight: 700; display: inline-block; }
.inquiry { border-top: 1px solid var(--line); max-width: 850px; padding-top: 30px; }
.formGrid { grid-template-columns: 1fr 1fr; gap: 24px; display: grid; }
.inquiry label { flex-direction: column; gap: 9px; margin-bottom: 20px; font-size: 14px; font-weight: 700; display: flex; }
.inquiry input, .inquiry select, .inquiry textarea { width: 100%; color: var(--ink); font: 400 16px var(--body); background: #fff; border: 1px solid #aebfce; border-radius: 3px; padding: 13px 14px; }
.inquiry textarea { resize: vertical; }
.formNote { color: var(--muted); font-size: 14px; line-height: 1.7; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline-offset: 4px; outline: 3px solid #1976d2; }
.researchBody { max-width: 850px; }
.researchBody p, .researchList { color: var(--muted); font-size: 17px; line-height: 1.85; }
.researchBody strong { color: var(--ink); }
.researchList { padding-left: 25px; }
.researchList li { padding: 4px 0; }
.split h2, #research > .container > h2, .emptyPanel h3, .trainingOptions h3 {
  font-family: var(--display);
}
.split h2, #research > .container > h2 {
  margin: 0 0 18px;
  font-size: clamp(39px, 4.2vw, 56px);
  line-height: 1.08;
}
section[id] { scroll-margin-top: 100px; }
[hidden] { display: none !important; }
@media (width <= 1100px) {
  nav { gap: 12px; }
  .navCta { padding: 13px; }
  .brand small { letter-spacing: .1em; }
  .heroGrid { gap: 30px; }
}
@media (width <= 900px) {
  nav { background: #fff; flex-direction: column; align-items: stretch; padding: 24px; display: none; position: absolute; top: 82px; left: 0; right: 0; box-shadow: 0 15px 30px #0514231f; }
  nav.open { display: flex; }
  .menu { display: block; }
  .heroGrid, .heading, .split, .techGrid, .aboutGrid { grid-template-columns: 1fr; }
  .hero { padding-top: 135px; }
  .heading, .split, .techGrid, .aboutGrid { gap: 55px; }
  .cards, .detailGrid { grid-template-columns: repeat(2, 1fr); }
  .architecture { max-width: 600px; }
}
@media (width <= 600px) {
  .container, .nav { width: calc(100% - 30px); }
  header { height: 72px; }
  nav { top: 72px; }
  .hero { min-height: 0; padding: 118px 0 65px; }
  .hero h1 { font-size: 40px; }
  .lede { font-size: 16px; }
  .actions { flex-direction: column; align-items: flex-start; gap: 20px; }
  .section, .approach, .about, .contact { padding: 78px 0; }
  .heading { gap: 25px; }
  .cards, .detailGrid, .formGrid { grid-template-columns: 1fr; }
  .cards article { min-height: 290px; }
  .founder { height: 310px; }
  .capabilities { columns: 1; }
  .architecture { padding: 22px; }
  .detail { padding-top: 115px; }
  .callout .textLink { margin-left: 0; display: block; }
  .emptyPanel, .callout { padding: 24px; }
  footer > .container { text-align: center; flex-direction: column; gap: 18px; }
  footer .brand { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cards article { transition: none; }
}