:root {
  --navy-950: #081625;
  --navy-900: #0d1c2b;
  --navy-800: #142b40;
  --ink: #14212d;
  --muted: #5e6a74;
  --line: #d8e0e6;
  --paper: #f7f9fb;
  --paper-alt: #edf2f6;
  --white: #ffffff;
  --accent: #137ca2;
  --accent-bright: #55b9d8;
  --shell: 1180px;
  --shadow: 0 24px 70px rgba(7, 22, 35, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 16px; background: var(--white); color: var(--navy-900); border-radius: 4px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, .94);
  border-bottom: 1px solid rgba(18, 43, 64, .08);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; text-decoration: none; white-space: nowrap; color: var(--ink); }
.brand span { color: #6d7780; }
.brand strong { color: var(--ink); }
.brand-mark { width: 36px; height: 28px; overflow: visible; }
.brand-mark path { fill: none; stroke: var(--accent); stroke-width: 2.7; stroke-linecap: round; stroke-linejoin: round; }
.brand-mark circle { fill: var(--accent-bright); }
.primary-nav { display: flex; align-items: center; gap: 34px; }
.primary-nav a { color: #4e5963; text-decoration: none; font-size: .95rem; transition: color .2s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--accent); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 18px; }
.theme-toggle { display: grid; place-items: center; width: 38px; height: 38px; border: 0; border-radius: 50%; background: transparent; color: #43515d; cursor: pointer; }
.theme-toggle:hover { background: #e9eef2; }
.theme-toggle svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .sun { display: none; }
.menu-toggle { display: none; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 13px 22px; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: var(--white); font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); background: #0e6d90; border-color: #0e6d90; }
.button-small { min-height: 44px; padding: 9px 18px; }
.button-ghost { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.4); color: var(--white); }
.button-ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.72); }

.hero { position: relative; isolation: isolate; min-height: 700px; display: flex; align-items: center; overflow: hidden; background: linear-gradient(108deg, #101f2e 2%, #2d3a45 46%, #bac4cc 100%); color: var(--white); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 78% 35%, rgba(255,255,255,.13), transparent 30%), linear-gradient(90deg, rgba(6,19,31,.34), transparent 70%); }
.hero::after { content: ""; position: absolute; width: 580px; height: 580px; right: -180px; bottom: -260px; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; box-shadow: 0 0 0 90px rgba(255,255,255,.03), 0 0 0 180px rgba(255,255,255,.025); }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent 42%, #000); }
.hero-inner { padding-block: 112px 126px; }
.eyebrow { margin: 0 0 20px; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.light { color: #91cde2; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 920px; margin-bottom: 28px; font-size: clamp(3.2rem, 6.2vw, 5.65rem); font-weight: 760; }
h1 span { color: #dce3e9; }
.hero-copy { max-width: 640px; margin: 0 0 34px; color: #d5dde3; font-size: 1.18rem; line-height: 1.65; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.metrics { background: var(--navy-950); color: var(--white); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 42px; }
.metrics-grid div { min-height: 86px; padding: 4px 30px; border-left: 1px solid rgba(255,255,255,.13); }
.metrics-grid div:first-child { padding-left: 0; border-left: 0; }
.metrics-grid strong { display: block; margin-bottom: 4px; color: #f7fbfd; font-size: 1.8rem; line-height: 1.2; letter-spacing: -.03em; }
.metrics-grid span { color: #9eabb6; font-size: .88rem; line-height: 1.45; }

.section { padding-block: 112px; }
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1fr .93fr; gap: 86px; align-items: center; }
h2 { margin-bottom: 24px; font-size: clamp(2.35rem, 4vw, 3.55rem); }
.about-copy > p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.check-list { display: grid; gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: #34424d; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .63em; width: 13px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.feature-image { position: relative; margin: 0; box-shadow: var(--shadow); }
.feature-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.feature-image::before { content: ""; position: absolute; z-index: -1; width: 72%; height: 72%; right: -20px; top: -20px; border: 1px solid #b9cbd6; }
.feature-image figcaption { padding: 18px 22px; background: var(--navy-900); color: #c6d0d7; font-size: .88rem; }

.services { background: var(--paper-alt); }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 72px; align-items: end; margin-bottom: 52px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0 0 8px; color: var(--muted); }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #cbd5dc; border-left: 1px solid #cbd5dc; }
.service-card { position: relative; min-height: 225px; padding: 36px 42px 38px 82px; background: rgba(255,255,255,.48); border-right: 1px solid #cbd5dc; border-bottom: 1px solid #cbd5dc; transition: background .25s ease, transform .25s ease, box-shadow .25s ease; }
.service-card:hover { z-index: 2; background: var(--white); transform: translateY(-3px); box-shadow: 0 18px 42px rgba(9,32,48,.1); }
.service-card > span { position: absolute; top: 39px; left: 30px; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .1em; }
.service-card h3 { margin-bottom: 13px; font-size: 1.25rem; letter-spacing: -.015em; }
.service-card p { margin: 0; color: var(--muted); line-height: 1.6; }

.industries { background: linear-gradient(115deg, var(--navy-950), #10283c); color: var(--white); }
.industries-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.industries h2 { max-width: 520px; }
.industries-grid > div:last-child > p { margin: 5px 0 34px; color: #b7c4cd; font-size: 1.06rem; }
.industry-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; padding: 0; list-style: none; }
.industry-list li { padding: 13px 15px; border: 1px solid rgba(255,255,255,.14); color: #d9e1e6; font-size: .94rem; }

.engagement { background: var(--paper); }
.engagement > .shell > h2 { max-width: 720px; margin-bottom: 50px; }
.engagement-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.engagement-grid article { padding: 34px 34px 12px 0; border-right: 1px solid var(--line); }
.engagement-grid article + article { padding-left: 34px; }
.engagement-grid article:last-child { border-right: 0; }
.engagement-grid span { display: block; margin-bottom: 38px; color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.engagement-grid h3 { font-size: 1.55rem; }
.engagement-grid p { color: var(--muted); }

.contact { padding-block: 110px; background: #142c41; color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 110px; }
.contact h2 { max-width: 670px; }
.contact p:not(.eyebrow) { max-width: 640px; color: #b7c5cf; font-size: 1.05rem; }
.text-link { display: inline-flex; gap: 12px; margin-top: 17px; color: #9ed8eb; font-weight: 700; text-underline-offset: 5px; }
.contact-details { display: grid; gap: 34px; align-content: start; padding: 11px 0 0 40px; border-left: 1px solid rgba(255,255,255,.16); }
.contact-details h3 { margin-bottom: 8px; color: #85b8cd; font-size: .78rem; letter-spacing: .13em; text-transform: uppercase; }
.contact-details address, .contact-details a { color: #e2e8ec; font-style: normal; text-decoration: none; }

.site-footer { padding-block: 48px; background: var(--navy-950); color: #81909d; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 15px 32px; }
.footer-brand { color: var(--white); }
.footer-brand span, .footer-brand strong { color: var(--white); }
.footer-grid p { margin: 0; font-size: .86rem; }
.footer-grid p:last-child { grid-column: 1 / -1; }
.footer-grid a { text-underline-offset: 3px; }

[data-theme="dark"] { --ink: #e8eef2; --muted: #a9b5be; --line: #2b3d4b; --paper: #0d1c2b; --paper-alt: #122536; --white: #f7fafb; }
[data-theme="dark"] .site-header { background: rgba(10,25,38,.94); border-color: rgba(255,255,255,.08); }
[data-theme="dark"] .brand, [data-theme="dark"] .brand strong { color: #f2f6f8; }
[data-theme="dark"] .brand span, [data-theme="dark"] .primary-nav a { color: #aebbc4; }
[data-theme="dark"] .theme-toggle { color: #cfdae1; }
[data-theme="dark"] .theme-toggle:hover { background: #182d3d; }
[data-theme="dark"] .theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .about-copy > p:not(.eyebrow), [data-theme="dark"] .section-heading > p, [data-theme="dark"] .service-card p, [data-theme="dark"] .engagement-grid p { color: #a8b6bf; }
[data-theme="dark"] .check-list li { color: #d2dbe1; }
[data-theme="dark"] .services-grid, [data-theme="dark"] .service-card { border-color: #314352; }
[data-theme="dark"] .service-card { background: rgba(255,255,255,.025); }
[data-theme="dark"] .service-card:hover { background: #192e3f; }

@media (max-width: 930px) {
  .header-inner { grid-template-columns: 1fr auto auto; gap: 14px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 21px; height: 2px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .primary-nav { position: absolute; display: none; top: 76px; left: 0; right: 0; padding: 18px 24px 24px; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 18px 28px rgba(4,17,28,.1); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 12px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
  .header-actions { grid-column: 2; grid-row: 1; }
  .menu-toggle { grid-column: 3; grid-row: 1; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .metrics-grid div:nth-child(3) { padding-left: 0; border-left: 0; }
  .about-grid, .industries-grid, .contact-grid { grid-template-columns: 1fr; gap: 58px; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .contact-details { padding-left: 0; border-left: 0; }
}

@media (max-width: 650px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .header-inner { min-height: 68px; }
  .brand span { font-size: .92rem; }
  .brand-mark { width: 31px; }
  .header-actions .button { display: none; }
  .primary-nav { top: 68px; }
  .hero { min-height: 670px; }
  .hero-inner { padding-block: 92px 104px; }
  h1 { font-size: clamp(2.75rem, 13vw, 4rem); }
  .hero-copy { font-size: 1.03rem; }
  .hero-actions .button { width: 100%; }
  .metrics-grid { grid-template-columns: 1fr 1fr; padding-block: 34px; }
  .metrics-grid div { min-height: 104px; padding: 0 15px 0 18px; }
  .metrics-grid div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .metrics-grid strong { font-size: 1.45rem; }
  .section { padding-block: 80px; }
  h2 { font-size: 2.35rem; }
  .about-grid { gap: 48px; }
  .feature-image::before { right: -8px; top: -8px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 32px 25px 32px 68px; }
  .service-card > span { top: 35px; left: 22px; }
  .industry-list { grid-template-columns: 1fr; }
  .engagement-grid { grid-template-columns: 1fr; }
  .engagement-grid article, .engagement-grid article + article { padding: 30px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .engagement-grid article:last-child { border-bottom: 0; }
  .engagement-grid span { margin-bottom: 20px; }
  .contact { padding-block: 80px; }
  .contact-grid { gap: 46px; }
  .text-link { overflow-wrap: anywhere; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid p:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}