:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --blue: #1769d2;
  --blue-deep: #0755bc;
  --blue-light: #eaf2ff;
  --surface: #f5f5f7;
  --paper: #fbfbfd;
  --white: #fff;
  --line: #e5e5ea;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only, .skip-link:not(:focus) { 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:focus { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 16px; background: var(--white); color: var(--blue-deep); border-radius: 8px; box-shadow: 0 4px 18px #0002; }

.site-header { height: 72px; position: sticky; z-index: 20; top: 0; background: rgb(251 251 253 / 85%); backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgb(29 29 31 / 5%); }
.nav-shell, .section-shell, .footer-inner { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.nav-shell { display: flex; height: 100%; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 20px; letter-spacing: -1.1px; font-weight: 650; }
.brand-mark { display: inline-grid; place-items: center; width: 33px; height: 33px; border-radius: 11px; background: var(--blue); }
.brand-mark svg { width: 25px; height: 25px; }
.brand-mark path { stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.primary-nav { display: flex; align-items: center; gap: 38px; color: #45454a; font-size: 14px; }
.primary-nav a { transition: color .2s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--blue-deep); }
.primary-nav .nav-contact { color: var(--blue); font-weight: 550; }
.nav-contact span { font-size: 16px; margin-left: 3px; }
.menu-toggle { display: none; }

.hero { min-height: 660px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 40px; padding-block: 66px 74px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 18px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .105em; line-height: 1.5; text-transform: uppercase; }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px #1769d21a; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { max-width: 660px; margin: 25px 0 23px; font-size: clamp(48px, 5.6vw, 73px); font-weight: 650; line-height: 1.02; letter-spacing: -.065em; }
.hero h1 span, .section-heading h2 span, .approach-copy h2 span, .contact h2 span { color: var(--blue); }
.hero-intro { max-width: 500px; margin-bottom: 27px; color: #55555b; font-size: 17px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 23px; border-radius: 999px; font-size: 15px; font-weight: 550; transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid #1769d255; outline-offset: 4px; }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 5px 16px #1769d22b; }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 8px 22px #1769d238; }
.button-primary span { font-size: 17px; }
.text-link { color: var(--blue); font-size: 14px; font-weight: 550; }
.text-link span { margin-left: 5px; font-size: 17px; vertical-align: -1px; }
.hero-note { margin: 27px 0 0; color: #8a8a90; font-size: 12px; line-height: 1.6; }
.hero-art { position: relative; min-height: 470px; display: grid; place-items: center; isolation: isolate; }
.art-glow { position: absolute; z-index: -1; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, #dfeaff 0%, #eff5ff80 54%, transparent 72%); }
.bridge-illustration { width: min(100%, 600px); overflow: visible; filter: drop-shadow(0 22px 35px #4279ce12); animation: float 8s ease-in-out infinite; }
.art-caption { position: absolute; display: flex; align-items: center; gap: 9px; color: #74747b; font-size: 11px; letter-spacing: .015em; }
.art-caption-top { top: 54px; left: 7%; }
.caption-line { width: 25px; height: 1px; background: #88aeea; }
.art-caption-bottom { bottom: 37px; right: 5%; font-size: 10px; color: #808088; }
.caption-pulse { width: 6px; height: 6px; border-radius: 50%; background: #6d9ee7; }
.caption-separator { color: #b2b2b6; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

.trust-strip { background: var(--surface); }
.trust-inner { width: min(1040px, calc(100% - 64px)); min-height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #6e6e73; font-size: 13px; }
.trust-rule { width: 1px; height: 21px; background: #d6d6dc; }

.services { padding-block: 114px 128px; }
.section-heading { max-width: 670px; margin-bottom: 47px; }
.section-heading h2, .approach-copy h2 { margin: 15px 0 16px; font-size: clamp(36px, 4vw, 50px); font-weight: 620; line-height: 1.08; letter-spacing: -.055em; }
.section-heading > p:last-child { max-width: 580px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.service-card { min-height: 315px; position: relative; display: flex; flex-direction: column; align-items: flex-start; padding: 30px 28px 26px; border-radius: 19px; background: var(--surface); transition: transform .24s ease, background-color .24s ease; }
.service-card:hover { transform: translateY(-4px); background: #f0f0f3; }
.service-number { position: absolute; top: 31px; right: 28px; color: #aaaab0; font-size: 11px; letter-spacing: .08em; }
.service-icon { width: 45px; height: 45px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 14px; background: #fff; color: var(--blue); }
.service-icon::before, .service-icon::after, .service-icon span { content: ""; display: block; position: absolute; }
.icon-compass { position: relative; }
.icon-compass::before { width: 20px; height: 20px; border: 1.7px solid #4f88df; border-radius: 50%; }
.icon-compass::after { width: 2px; height: 13px; background: #4f88df; transform: rotate(42deg); border-radius: 2px; }
.icon-compass span { width: 0; height: 0; border-left: 3px solid transparent; border-right: 3px solid transparent; border-bottom: 6px solid #4f88df; transform: rotate(42deg) translateY(-2px); }
.icon-arrows { position: relative; }
.icon-arrows::before { width: 19px; height: 12px; border-top: 1.8px solid #4f88df; border-right: 1.8px solid #4f88df; transform: skewY(-28deg); }
.icon-arrows::after { width: 19px; height: 12px; border-bottom: 1.8px solid #4f88df; border-left: 1.8px solid #4f88df; transform: skewY(-28deg); }
.icon-arrows span { width: 23px; height: 1.6px; background: #4f88df; transform: rotate(-28deg); }
.icon-spark { position: relative; }
.icon-spark::before { width: 4px; height: 25px; background: #4f88df; border-radius: 4px; }
.icon-spark::after { width: 25px; height: 4px; background: #4f88df; border-radius: 4px; }
.icon-spark span { width: 20px; height: 20px; border: 1.5px solid #99b9eb; border-radius: 50%; }
.icon-browser { position: relative; }
.icon-browser::before { width: 23px; height: 18px; border: 1.7px solid #4f88df; border-radius: 4px; transform: translateY(2px); }
.icon-browser::after { width: 23px; height: 1.5px; background: #4f88df; transform: translateY(-3px); }
.icon-browser span { width: 3px; height: 3px; border-radius: 50%; background: #4f88df; transform: translate(-8px, -5px); }
.service-card h3 { margin: 0 0 10px; font-size: 20px; font-weight: 590; letter-spacing: -.03em; }
.service-card p { margin: 0 0 25px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.card-link { margin-top: auto; color: var(--blue); font-size: 13px; font-weight: 550; }
.card-link span { margin-left: 5px; font-size: 15px; }

.approach { overflow: hidden; background: #f1f6ff; }
.approach-inner { min-height: 440px; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 8%; padding-block: 75px; }
.approach-mark { width: 300px; height: 300px; position: relative; margin: auto; display: grid; place-items: center; }
.mark-orbit { position: absolute; border: 1px solid #c9dcfa; border-radius: 50%; }
.orbit-one { width: 265px; height: 265px; }
.orbit-two { width: 200px; height: 200px; border-style: dashed; opacity: .9; }
.mark-core { width: 94px; height: 94px; display: grid; place-items: center; border-radius: 28px; background: var(--blue); box-shadow: 0 15px 35px #1769d233; }
.mark-core svg { width: 61px; height: 61px; }
.mark-core path { stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.orbit-node { position: absolute; width: 13px; height: 13px; border: 3px solid #f1f6ff; border-radius: 50%; background: #6e9fe9; box-shadow: 0 0 0 1px #a9c5f0; }
.node-one { top: 31px; left: 139px; }
.node-two { right: 23px; top: 183px; }
.node-three { left: 50px; bottom: 49px; }
.approach-copy { max-width: 510px; }
.approach-copy h2 { margin-top: 16px; font-size: clamp(39px, 4.2vw, 53px); }
.approach-copy > p:not(.eyebrow) { max-width: 500px; margin: 0 0 24px; color: #646d7a; font-size: 15px; line-height: 1.8; }

.contact { min-height: 530px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding-block: 95px 86px; text-align: center; }
.contact > .eyebrow { justify-content: center; }
.contact h2 { margin: 16px 0 14px; font-size: clamp(47px, 5.7vw, 69px); font-weight: 640; line-height: 1.02; letter-spacing: -.065em; }
.contact-intro { max-width: 470px; margin: 0 auto 23px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.contact-button { min-width: 185px; }
.contact-details { display: flex; align-items: center; gap: 16px; margin-top: 28px; color: #59595f; font-size: 13px; }
.contact-details a:hover { color: var(--blue-deep); }
.contact-divider { width: 1px; height: 15px; background: #d5d5da; }
.location-note { margin: 27px 0 0; color: #8b8b92; font-size: 12px; }
.location-note > span:first-child { color: var(--blue); font-size: 15px; vertical-align: -1px; }
.location-dot { padding-inline: 4px; }
.site-footer { border-top: 1px solid #ececf0; background: #f7f7f9; }
.footer-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #82828a; font-size: 11px; }
.footer-brand { color: var(--ink); font-size: 15px; letter-spacing: -.7px; }
.footer-brand .brand-mark { width: 26px; height: 26px; border-radius: 9px; }
.footer-brand .brand-mark svg { width: 20px; height: 20px; }
.footer-inner p { margin: 0; }
.copyright { white-space: nowrap; }

.chat-widget { position: fixed; z-index: 40; right: max(24px, calc((100vw - 1280px) / 2)); bottom: 24px; display: flex; flex-direction: column; align-items: flex-end; gap: 13px; }
.chat-launcher { width: 60px; height: 60px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 50%; color: #fff; background: var(--blue); box-shadow: 0 8px 24px #124da344; cursor: pointer; transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.chat-launcher:hover { transform: translateY(-2px); background: var(--blue-deep); box-shadow: 0 11px 26px #124da355; }
.chat-launcher:focus-visible, .chat-send:focus-visible, .chat-close:focus-visible, .suggested-questions button:focus-visible { outline: 3px solid #1769d255; outline-offset: 4px; }
.chat-launch-icon, .chat-dismiss-icon { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.chat-launcher[aria-expanded="true"] .chat-launch-icon, .chat-launcher[aria-expanded="false"] .chat-dismiss-icon { display: none; }
.chat-panel { width: min(370px, calc(100vw - 32px)); height: min(540px, calc(100dvh - 110px)); min-height: 390px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid #e5e5ea; border-radius: 22px; background: #fff; box-shadow: 0 18px 65px #1d1d1f24; transform-origin: bottom right; animation: chat-appear .18s ease-out; }
.chat-panel[hidden] { display: none; }
@keyframes chat-appear { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.chat-header { min-height: 76px; display: flex; align-items: center; gap: 11px; padding: 14px 16px; border-bottom: 1px solid #eeeef1; background: #fbfbfd; }
.chat-avatar { width: 39px; height: 39px; flex: 0 0 39px; display: grid; place-items: center; border-radius: 14px; background: var(--blue); }
.chat-avatar span { position: relative; width: 22px; height: 13px; border: 1.7px solid white; border-radius: 50%; }
.chat-avatar span::before, .chat-avatar span::after { position: absolute; top: 4px; width: 3px; height: 3px; content: ""; border-radius: 50%; background: #fff; }
.chat-avatar span::before { left: 5px; }
.chat-avatar span::after { right: 5px; }
.chat-header-copy { flex: 1; }
.chat-header h2 { margin: 0 0 4px; font-size: 14px; font-weight: 620; letter-spacing: -.02em; }
.chat-header p { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--muted); font-size: 11px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #47a477; }
.chat-close { width: 36px; height: 36px; border: 0; border-radius: 50%; color: #75757b; background: transparent; font-size: 25px; line-height: 1; cursor: pointer; }
.chat-close:hover { background: #eeeef1; color: var(--ink); }
.chat-messages { flex: 1; display: flex; flex-direction: column; gap: 12px; overflow-y: auto; padding: 17px 15px; scroll-behavior: smooth; }
.chat-message { max-width: 88%; padding: 11px 13px; border-radius: 15px; font-size: 13px; line-height: 1.55; overflow-wrap: anywhere; white-space: pre-wrap; }
.chat-message p { margin: 0; }
.assistant-message { align-self: flex-start; border-bottom-left-radius: 5px; color: #424249; background: #f2f2f5; }
.user-message { align-self: flex-end; border-bottom-right-radius: 5px; color: #fff; background: var(--blue); }
.pending-message { color: #77777d; }
.chat-message a { display: inline-block; margin-top: 5px; color: var(--blue); font-weight: 560; }
.user-message a { color: #fff; }
.suggested-questions { display: flex; flex-wrap: wrap; gap: 7px; }
.suggested-questions button { min-height: 34px; padding: 7px 10px; border: 1px solid #dce7f8; border-radius: 999px; color: #2869bd; background: #f8fbff; font-size: 11px; cursor: pointer; }
.suggested-questions button:hover { background: var(--blue-light); }
.chat-disclosure { margin: 0; padding: 0 15px 10px; color: #87878d; font-size: 10px; line-height: 1.45; }
.chat-form { display: flex; align-items: center; gap: 9px; padding: 11px 12px 11px 15px; border-top: 1px solid #eeeef1; }
.chat-form input { min-width: 0; flex: 1; height: 42px; padding: 0 4px; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; font-size: 13px; }
.chat-form input::placeholder { color: #a0a0a6; }
.chat-form input:focus-visible { outline: 0; }
.chat-send { width: 39px; height: 39px; flex: 0 0 39px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 50%; color: #fff; background: var(--blue); cursor: pointer; }
.chat-send:hover { background: var(--blue-deep); }
.chat-send:disabled { opacity: .5; cursor: wait; }
.chat-send span { font-size: 21px; line-height: 1; transform: translateY(-1px); }
.chat-footer { padding: 0 15px 12px; color: #898990; font-size: 10px; }
.chat-footer a { color: var(--blue); font-weight: 550; }

@media (max-width: 900px) {
  .nav-shell, .section-shell, .footer-inner { width: min(100% - 48px, 760px); }
  .hero { grid-template-columns: 1fr 1fr; gap: 12px; min-height: 610px; }
  .hero h1 { font-size: clamp(47px, 6vw, 61px); }
  .hero-art { min-height: 390px; }
  .art-caption-top { left: 0; }
  .service-card { padding-inline: 23px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .approach-inner { gap: 4%; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 70px; }
  .site-header { height: 64px; }
  .nav-shell, .section-shell, .footer-inner { width: calc(100% - 40px); }
  .brand { font-size: 18px; }
  .brand-mark { width: 31px; height: 31px; }
  .menu-toggle { width: 44px; height: 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 0; border-radius: 50%; background: transparent; cursor: pointer; }
  .menu-toggle > span:not(.sr-only) { width: 18px; height: 1.5px; border-radius: 2px; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] > span:nth-last-child(2) { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .primary-nav { position: absolute; inset: 64px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 9px 20px 18px; border-bottom: 1px solid #e5e5ea; background: rgb(251 251 253 / 97%); backdrop-filter: blur(18px); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { min-height: 49px; display: flex; align-items: center; border-bottom: 1px solid #ebebef; font-size: 15px; }
  .primary-nav .nav-contact { border-bottom: 0; }
  .hero { min-height: auto; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding-top: 62px; padding-bottom: 37px; }
  .hero-copy { padding-bottom: 0; }
  .eyebrow { font-size: 10px; letter-spacing: .09em; }
  .hero h1 { max-width: 540px; margin: 21px 0 17px; font-size: clamp(46px, 12vw, 61px); }
  .hero-intro { max-width: 500px; margin-bottom: 21px; font-size: 15px; line-height: 1.65; }
  .hero-actions { gap: 18px; }
  .button { min-height: 48px; padding-inline: 19px; font-size: 13px; }
  .text-link { font-size: 13px; }
  .hero-note { margin-top: 20px; font-size: 11px; }
  .hero-art { min-height: 335px; margin-top: 14px; }
  .bridge-illustration { width: min(100%, 470px); }
  .art-glow { width: 290px; height: 290px; }
  .art-caption-top { top: 20px; left: 2%; }
  .art-caption-bottom { right: 3%; bottom: 15px; }
  .trust-inner { width: calc(100% - 40px); min-height: 69px; justify-content: center; gap: 10px; font-size: 10px; }
  .trust-inner span:last-child { max-width: 110px; }
  .trust-rule { height: 17px; }
  .services { padding-block: 77px 84px; }
  .section-heading { margin-bottom: 29px; }
  .section-heading h2, .approach-copy h2 { margin: 13px 0 12px; font-size: 37px; }
  .section-heading > p:last-child { font-size: 14px; }
  .service-grid { grid-template-columns: 1fr; gap: 11px; }
  .service-card { min-height: 265px; padding: 23px 23px 22px; }
  .service-number { top: 24px; right: 23px; }
  .service-icon { margin-bottom: 21px; }
  .service-card h3 { font-size: 18px; }
  .service-card p { max-width: 400px; margin-bottom: 20px; font-size: 13px; }
  .approach-inner { display: flex; flex-direction: column; align-items: stretch; gap: 27px; padding-block: 62px 67px; }
  .approach-mark { width: 235px; height: 235px; order: 2; }
  .orbit-one { width: 220px; height: 220px; }
  .orbit-two { width: 166px; height: 166px; }
  .mark-core { width: 80px; height: 80px; border-radius: 24px; }
  .mark-core svg { width: 52px; height: 52px; }
  .node-one { top: 10px; left: 111px; }
  .node-two { right: 4px; top: 144px; }
  .node-three { left: 36px; bottom: 28px; }
  .approach-copy { order: 1; }
  .approach-copy > p:not(.eyebrow) { font-size: 14px; }
  .contact { min-height: 485px; padding-block: 76px 65px; }
  .contact h2 { margin: 17px 0 13px; font-size: clamp(49px, 13vw, 62px); }
  .contact-intro { font-size: 14px; }
  .contact-details { flex-direction: column; gap: 12px; margin-top: 23px; }
  .contact-divider { width: 25px; height: 1px; }
  .location-note { font-size: 11px; }
  .footer-inner { min-height: 100px; display: grid; grid-template-columns: 1fr auto; row-gap: 0; padding-block: 18px; }
  .footer-inner p { grid-column: 1; grid-row: 2; }
  .copyright { grid-column: 2; grid-row: 1 / 3; align-self: center; }
  .chat-widget { right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); gap: 10px; }
  .chat-launcher { width: 56px; height: 56px; }
  .chat-panel { width: min(390px, calc(100vw - 24px)); height: min(590px, calc(100dvh - 88px)); min-height: min(410px, calc(100dvh - 88px)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
