:root {
  --navy: #072345;
  --ink: #1c2b40;
  --muted: #5b6575;
  --blue: #2f6fb0;
  --blue-light: #8fbbe8;
  --line: #d6dde7;
  --soft: #eef3f8;
  --white: #fff;
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'Source Sans 3', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--white); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; color: var(--navy); margin: 0; line-height: 1.15; }
h1 em, h2 em { color: var(--blue); }
p { margin: 0 0 .8em; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 600; font-size: 18px; letter-spacing: .12em; }
.brand b { font-weight: 400; opacity: .75; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { text-decoration: none; font-size: 15px; color: var(--ink); }
nav a:hover { color: var(--blue); }
.nav-cta { border: 1px solid var(--navy); padding: 7px 16px; color: var(--navy) !important; }
.nav-cta:hover { background: var(--navy); color: var(--white) !important; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); font: 600 14px var(--sans); color: var(--navy); padding: 7px 14px; cursor: pointer; }

/* Hero */
.hero { padding: 96px 0 0; background: linear-gradient(180deg, var(--soft) 0%, var(--white) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 64px); margin-bottom: 24px; }
.lead { font-size: 20px; color: var(--muted); max-width: 40em; margin-bottom: 32px; }
.hero-mark { width: 100%; max-width: 300px; justify-self: center; opacity: .1; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--navy); color: var(--white); text-decoration: none; font-weight: 600; padding: 13px 26px; border: 1px solid var(--navy); }
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn.ghost { background: transparent; color: var(--navy); }
.btn.ghost:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 88px; }
.pillars > div { border-top: 1px solid var(--navy); }
.pillars > div { padding: 22px 24px 28px; border-left: 1px solid var(--line); }
.pillars > div:first-child { border-left: none; padding-left: 0; }
.pillars p:last-child { margin: 0; color: var(--navy); }

/* Sections */
.section { padding: 104px 0; }
.section.soft { background: var(--soft); }
.sec-head { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; margin-bottom: 52px; max-width: 780px; }
.sec-head .num { font-family: var(--mono); font-size: 13px; color: var(--blue); margin: 0; }
.label { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 1px 0 0; }
.sec-head h2 { grid-column: 1 / -1; font-size: clamp(30px, 3.8vw, 44px); margin-top: 14px; }
.sec-head .intro { grid-column: 1 / -1; font-size: 18px; color: var(--muted); margin: 18px 0 0; }

/* Services */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.svc { background: var(--soft); border-top: 3px solid var(--blue); padding: 28px 30px 24px; }
.svc h3 { font-size: 26px; margin: 2px 0 12px; }
.svc > p:not(.mono), .svc div > p { color: var(--muted); }
.svc ul { margin: 16px 0 0; padding: 0; list-style: none; }
.svc li { position: relative; padding: 7px 0 7px 18px; border-top: 1px solid var(--line); color: var(--navy); font-size: 16px; }
.svc li::before { content: ''; position: absolute; left: 0; top: 16px; width: 7px; height: 7px; background: var(--blue); }

/* Technology */
.section.dark { background: var(--navy); color: #c9d3e0; }
.dark .sec-head .num, .dark .mono { color: var(--blue-light); }
.dark .label { color: #9fb0c6; }
.dark h2, .dark h3 { color: var(--white); }
.dark h2 em { color: var(--blue-light); }
.dark .sec-head .intro { color: #c9d3e0; }
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; }
.caps > div { border-top: 1px solid rgba(255,255,255,.2); padding: 22px 0 30px; }
.caps h3 { font-size: 23px; margin: 2px 0 10px; }
.caps p:last-child { font-size: 16px; margin: 0; }
.tech-foot { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--blue-light); }
.tech-foot ul { list-style: none; margin: 10px 0 0; padding: 0; }
.engage li { display: grid; grid-template-columns: 76px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 16px; }
.engage b { font-family: var(--serif); font-weight: 500; font-size: 21px; color: var(--white); line-height: 1.2; }
.principles li { position: relative; padding: 12px 0 12px 26px; border-bottom: 1px solid rgba(255,255,255,.12); color: var(--white); font-size: 16px; }
.principles li::before { content: ''; position: absolute; left: 0; top: 18px; width: 12px; height: 7px; border-left: 2px solid var(--blue-light); border-bottom: 2px solid var(--blue-light); transform: rotate(-45deg); }

/* Approach */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--navy); }
.steps li { padding: 24px 24px 8px; border-left: 1px solid var(--line); }
.steps li:first-child { border-left: none; padding-left: 0; }
.steps h3 { font-size: 24px; margin-bottom: 10px; }
.steps li p:last-child { color: var(--muted); font-size: 16px; }

/* Clients */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.clients > div { border-left: 2px solid var(--blue); padding: 4px 0 4px 20px; }
.clients h3 { font-size: 24px; margin-bottom: 10px; }
.clients p { color: var(--muted); margin: 0; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.about .sec-head { margin-bottom: 0; }
.big { font-family: var(--serif); font-size: 26px; line-height: 1.3; color: var(--navy); }
.person { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--navy); }
.person .name { font-family: var(--serif); font-size: 24px; color: var(--navy); margin: 4px 0 2px; }
.person .role { color: var(--muted); margin: 0 0 12px; }
.person-head { display: flex; align-items: center; gap: 22px; margin: 10px 0 20px; }
.person-head .role { margin: 0; }
.headshot { width: 132px; height: 132px; object-fit: cover; border-radius: 50%; border: 3px solid var(--white); box-shadow: 0 0 0 1px var(--line); }
.bio p { font-size: 16px; }
.person blockquote { margin: 20px 0; padding-left: 18px; border-left: 2px solid var(--blue); font-family: var(--serif); font-style: italic; font-size: 20px; line-height: 1.35; color: var(--navy); }
.profile-link { color: var(--blue); font-weight: 600; font-size: 15px; text-decoration: none; }
.profile-link:hover { text-decoration: underline; }

/* Contact */
.contact { background: var(--navy); color: #dfe3ea; }
.contact h2 { color: var(--white); font-size: clamp(32px, 4vw, 46px); margin: 14px 0 18px; }
.contact h2 em { color: var(--blue-light); }
.label.light { color: var(--blue-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.contact-list { display: grid; grid-template-columns: auto 1fr; gap: 10px 24px; margin: 32px 0 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.2); }
.contact-list dt { color: var(--blue-light); margin: 3px 0 0; }
.contact-list dd { margin: 0; color: var(--white); }
.contact-list a { color: var(--white); text-decoration-color: var(--blue-light); text-underline-offset: 4px; }
.contact-form { background: var(--white); color: var(--ink); padding: 32px; display: grid; gap: 16px; border-top: 3px solid var(--blue-light); }
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--navy); }
.contact-form label small { font-size: 14px; font-weight: 400; color: var(--muted); }
.contact-form input, .contact-form select, .contact-form textarea { font: 16px var(--sans); color: var(--ink); background: var(--white); border: 1px solid #b9c4d3; border-radius: 0; padding: 10px 12px; width: 100%; }
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; border-color: var(--blue); }
.contact-form.checked :invalid { border-color: #b3261e; }
.contact-form .hp { display: none; }
.contact-form .note { font-size: 13px; color: var(--muted); margin: -4px 0 0; }
.contact-form .btn { justify-self: start; cursor: pointer; font: 600 16px var(--sans); }
.contact-form .btn:disabled { opacity: .6; cursor: wait; }
.form-status { margin: 0; font-size: 15px; min-height: 1.4em; }
.form-status.ok { color: #1e6b3a; font-weight: 600; }
.form-status.error { color: #b3261e; }

/* Footer */
.site-footer { background: #041a35; color: #9fb0c6; font-size: 14px; }
.foot { display: flex; align-items: center; gap: 14px; padding-top: 24px; padding-bottom: 24px; }
.foot p { margin: 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero { padding-top: 64px; }
  .hero-grid, .about, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-mark { display: none; }
  .pillars, .clients { grid-template-columns: 1fr; }
  .pillars { margin-top: 56px; }
  .pillars > div, .pillars > div:first-child { border-left: none; padding: 18px 0; border-bottom: 1px solid var(--line); }
  .services { grid-template-columns: 1fr; }
  .caps { grid-template-columns: 1fr 1fr; }
  .tech-foot { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { border-left: none; padding-left: 0; }
  .section { padding: 72px 0; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .menu-btn { display: block; }
  nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--white); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  nav.open { display: flex; }
  nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 12px; text-align: center; border-bottom: 1px solid var(--navy) !important; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li:first-child { border-left: none; padding: 20px 0 4px; border-bottom: 1px solid var(--line); }
  .svc { padding: 24px 20px 20px; }
  .caps { grid-template-columns: 1fr; }
  .engage li { grid-template-columns: 1fr; gap: 4px; }
  .contact-form { padding: 22px 18px; }
  .contact-form .row { grid-template-columns: 1fr; }
  .headshot { width: 96px; height: 96px; }
  .person-head { gap: 16px; }
  .lead { font-size: 18px; }
}