:root {
  --ink: #172a3d;
  --muted: #59687a;
  --accent: #205783;
  --accent-dark: #163b5e;
  --surface: #ffffff;
  --bg: #f7f9fc;
  --border: #dfe5ec;
  --soft-border: #e7ecf1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--surface);
  scroll-behavior: smooth;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-width: 320px; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #5b9cc6; outline-offset: 4px; }
button { font: inherit; }
.container { width: min(1140px, calc(100% - 80px)); margin: 0 auto; }
.skip-link { position: absolute; left: 12px; top: -80px; padding: 12px 18px; z-index: 99; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { background: white; border-bottom: 1px solid var(--soft-border); position: relative; z-index: 2; }
.header-inner { height: 89px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 15px; min-width: 0; }
.brand-mark { flex: 0 0 auto; width: 53px; height: 49px; display: flex; align-items: center; justify-content: center; gap: 2px; border: 2px solid var(--ink); border-radius: 3px; font-size: 14px; font-weight: 760; letter-spacing: -0.09em; line-height: 1; padding-right: 3px; }
.brand-mark-divider { background: var(--ink); opacity: .55; width: 1px; height: 13px; transform: skew(-10deg); margin-inline: 1px; }
.brand-name { font-size: 16px; font-weight: 680; letter-spacing: -0.02em; white-space: nowrap; }
.brand-llc { font-size: 11px; color: #68798c; margin-left: 4px; letter-spacing: .07em; font-weight: 650; }
.nav { display: flex; align-items: center; gap: 36px; font-size: 13px; font-weight: 560; color: #47586b; }
.nav a { transition: color .2s; }
.nav a:hover { color: var(--accent); }
.nav-contact { border: 1px solid #d6dee8; border-radius: 3px; padding: 10px 17px; color: var(--ink) !important; }
.nav-contact span { margin-left: 15px; font-size: 15px; }
.nav-contact:hover { background: var(--bg); }
.hero { background: linear-gradient(135deg, #fbfcfd 0%, #f3f7fb 100%); border-bottom: 1px solid var(--soft-border); overflow: hidden; }
.hero-grid { min-height: 544px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 44px; align-items: center; }
.hero-copy { padding: 77px 0 80px; }
.eyebrow, .section-label { margin: 0; font-size: 11px; font-weight: 750; letter-spacing: .17em; color: var(--accent); }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; }
.eyebrow-line { background: var(--accent); height: 2px; width: 28px; display: inline-block; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(37px, 4vw, 55px); letter-spacing: -0.047em; line-height: 1.14; font-weight: 730; margin: 24px 0 23px; max-width: 650px; }
h1 span { color: var(--accent); }
.hero-intro { font-size: 17px; line-height: 1.75; max-width: 560px; color: var(--muted); margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 23px; }
.button { display: inline-flex; gap: 25px; align-items: center; justify-content: center; font-size: 13px; font-weight: 660; white-space: nowrap; }
.button-primary { background: var(--accent); color: white; border: 1px solid var(--accent); border-radius: 3px; padding: 13px 19px; transition: background .2s; }
.button-primary:hover { background: var(--accent-dark); }
.button-primary span { font-size: 17px; font-weight: 400; }
.button-link { padding: 13px 0; color: #41556a; }
.button-link:hover { color: var(--accent); }
.button-link span { font-size: 15px; font-weight: 400; }
.hero-visual { min-height: 445px; height: 100%; display: flex; justify-content: center; align-items: center; position: relative; }
.visual-grid { position: absolute; inset: 42px -115px 42px -36px; opacity: .65; background-image: linear-gradient(#dee7f0 1px, transparent 1px),linear-gradient(90deg,#dee7f0 1px,transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(ellipse at 45% 50%, black, transparent 73%); }
.diagram { position: relative; width: min(395px, 100%); background: #fefefe; border: 1px solid #d7e1eb; box-shadow: 0 24px 80px rgba(25, 55, 85, .09), 0 3px 11px rgba(25,55,85,.04); border-radius: 5px; }
.diagram-topline, .diagram-bottomline { height: 48px; padding: 0 19px; display: flex; align-items: center; gap: 11px; font-size: 9px; font-weight: 760; color: #63758a; letter-spacing: .13em; }
.diagram-topline { border-bottom: 1px solid var(--soft-border); }
.diagram-id { margin-left: auto; color: #a2aeb9; }
.signal { display: flex; gap: 4px; }
.signal span { width: 6px; height: 6px; border-radius: 50%; background: #a3b7c8; }
.signal span:first-child { background: #417d9f; }
.diagram-body { padding: 31px 27px 32px; }
.diagram-node { border: 1px solid #dce4eb; border-radius: 3px; background: #fff; padding: 17px 18px; height: 59px; display: flex; gap: 21px; align-items: center; color: #263e55; font-weight: 630; font-size: 14px; box-shadow: 0 3px 7px rgba(40,60,80,.025); }
.node-id { font-size: 10px; font-weight: 650; color: #8192a5; }
.node-line { height: 1px; background: #d7e0e9; flex: 1; margin-left: auto; max-width: 50px; }
.diagram-node-accent { border-color: #7c9db9; background: #eef4f9; color: #194e79; }
.diagram-node-accent .node-line { background: #95b5ce; }
.diagram-connect { height: 27px; display: flex; align-items: stretch; justify-content: center; }
.diagram-connect span { width: 1px; background: #9dabb9; height: 100%; position: relative; }
.diagram-connect span::after { content: ''; position: absolute; left: -3px; bottom: 4px; width: 6px; height: 6px; border-bottom: 1px solid #819cb3; border-right: 1px solid #819cb3; transform: rotate(45deg); }
.diagram-bottomline { border-top: 1px solid var(--soft-border); height: 47px; }
.diagram-dot { background: #3c839f; border-radius: 50%; width: 6px; height: 6px; }
.section { padding: 92px 0 99px; }
.section-heading { display: flex; gap: 50px; align-items: flex-end; justify-content: space-between; margin-bottom: 37px; }
h2 { font-size: clamp(30px, 3vw, 39px); letter-spacing: -.04em; line-height: 1.2; font-weight: 720; margin: 15px 0 0; }
.section-summary { font-size: 14px; line-height: 1.75; max-width: 350px; color: var(--muted); margin: 0 2px 2px; }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.service-card { border: 1px solid var(--border); background: #fff; padding: 29px 29px 32px; min-height: 287px; border-radius: 4px; transition: border-color .2s, transform .2s; }
.service-card:hover { border-color: #acbece; transform: translateY(-2px); }
.service-top { display: flex; align-items: flex-start; justify-content: space-between; color: var(--accent); margin-bottom: 38px; }
.service-top svg { width: 43px; height: 43px; }
.service-number { color: #9eacb9; font-size: 11px; font-weight: 650; }
h3 { font-size: 20px; letter-spacing: -.025em; line-height: 1.3; margin: 0 0 11px; font-weight: 690; }
.service-card p { margin: 0; font-size: 14px; line-height: 1.72; color: var(--muted); }
.about { background: var(--bg); border-top: 1px solid var(--soft-border); border-bottom: 1px solid var(--soft-border); padding: 82px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 84px; }
.about h2 { max-width: 350px; }
.about-copy { padding-top: 3px; }
.about-copy p { color: #526275; font-size: 16px; line-height: 1.84; margin-bottom: 17px; }
.about-copy p:first-child { color: var(--ink); font-weight: 560; }
.about-copy p:last-child { margin-bottom: 0; }
.contact-section { padding: 86px 0; }
.contact-panel { background: #182c40; color: white; border-radius: 4px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; padding: 58px 60px; align-items: center; }
.contact-label { margin: 0 0 13px; color: #92bed9; letter-spacing: .17em; font-size: 11px; font-weight: 760; }
.contact-copy h2 { font-size: 32px; margin: 0 0 13px; max-width: 450px; }
.contact-copy > p:last-child { font-size: 14px; line-height: 1.75; color: #b8c6d3; margin-bottom: 0; max-width: 400px; }
.contact-email { border: 1px solid #61758a; display: flex; justify-content: space-between; align-items: center; padding: 21px 21px; gap: 16px; color: #fff; font-size: clamp(15px, 1.6vw, 18px); font-weight: 600; transition: background .2s; border-radius: 3px; }
.contact-email:hover { background: #263f58; }
.contact-email span:last-child { font-size: 22px; font-weight: 400; }
.site-footer { background: #fff; border-top: 1px solid var(--soft-border); }
.footer-inner { padding: 25px 0 31px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; font-size: 12px; color: #738193; }
@media (max-width: 1000px) {
  .container { width: min(100% - 56px, 1140px); }
  .hero-grid { gap: 20px; }
  h1 { font-size: clamp(36px,4.5vw,50px); }
  .contact-panel { padding: 45px; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 38px, 1140px); }
  .header-inner { height: auto; min-height: 78px; padding: 17px 0; align-items: flex-start; flex-wrap: wrap; }
  .brand-mark { width: 42px; height: 42px; font-size: 11px; }
  .brand-name { font-size: 14px; }
  .nav { gap: 21px; font-size: 12px; margin-left: 0; }
  .nav-contact { padding: 8px 11px; }
  .nav-contact span { margin-left: 5px; }
  .hero-grid { display: block; }
  .hero-copy { padding: 74px 0 46px; }
  h1 { font-size: clamp(35px,7.3vw,52px); max-width: 640px; }
  .hero-intro { font-size: 16px; }
  .hero-visual { display: none; }
  .section { padding: 68px 0 76px; }
  .section-heading { display: block; }
  .section-summary { max-width: 560px; margin-top: 20px; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { min-height: unset; padding: 24px 25px 27px; }
  .service-top { margin-bottom: 22px; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .about { padding: 67px 0; }
  .about h2 { max-width: none; }
  .contact-section { padding: 55px 0; }
  .contact-panel { display: block; padding: 34px 27px; }
  .contact-copy h2 { font-size: 29px; }
  .contact-email { margin-top: 28px; }
}
@media (max-width: 390px) {
  .header-inner { gap: 14px; }
  .brand-name { font-size: 13px; }
  .nav { width: 100%; justify-content: space-between; }
  .hero-copy { padding: 59px 0 47px; }
  .hero-actions { gap: 14px; }
  .contact-email { font-size: 14px; padding: 18px 13px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
