:root {
    --ink: #10233f;
    --ink-soft: #52627a;
    --accent: #0b63ce;
    --accent-dark: #064a9f;
    --surface: #ffffff;
    --surface-muted: #f2f6fb;
    --line: #dce5ef;
    --navy: #071a33;
    --warm: #eaf3ff;
    --radius: 1.25rem;
    --shadow: 0 24px 70px rgba(16, 35, 63, .12);
}

html { scroll-behavior: smooth; }
body {
    color: var(--ink);
    background: var(--surface);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { color: var(--accent-dark); }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 2000; background: #fff; padding: .75rem 1rem; border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.container { max-width: 1180px; }
.narrow-container { max-width: 900px; }
.article-container { max-width: 800px; }
.section-pad { padding: 6.5rem 0; }
.section-pad-sm { padding: 5rem 0; }
.section-muted { background: var(--surface-muted); }
.site-header { background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(220,229,239,.85); }
.navbar { min-height: 76px; }
.navbar-brand { display: flex; align-items: center; gap: .7rem; color: var(--ink); font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 2.25rem; height: 2.25rem; display: inline-grid; place-items: center; border-radius: .7rem; background: var(--ink); color: #fff; font-size: .78rem; letter-spacing: .06em; }
.nav-link { color: #33455d; font-weight: 650; }
.nav-link:hover { color: var(--accent); }
.btn { border-radius: .75rem; font-weight: 700; }
.btn-primary { background: var(--accent); border-color: var(--accent); box-shadow: 0 10px 24px rgba(11,99,206,.18); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline-secondary { color: var(--ink); border-color: #aebccc; }
.btn-outline-secondary:hover { background: var(--ink); border-color: var(--ink); }
.hero-section { overflow: hidden; background: radial-gradient(circle at 78% 18%, #dbeeff 0, transparent 28%), linear-gradient(180deg, #f9fcff, #fff); }
.eyebrow { display: inline-block; margin-bottom: 1rem; color: var(--accent); font-size: .78rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-light { color: #a9d0ff; }
.hero-title, .page-hero h1, .article-hero h1 { max-width: 940px; margin: 0; font-size: clamp(2.65rem, 6vw, 5.4rem); line-height: .98; letter-spacing: -.058em; font-weight: 850; }
.hero-lead, .page-lead { max-width: 760px; margin-top: 1.65rem; color: var(--ink-soft); font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.65; }
.hero-card { position: relative; padding: 1rem; background: linear-gradient(150deg, #0a264c, #0b63ce); border-radius: 2rem; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.hero-card img { width: 100%; border-radius: 1.35rem; background: #dceeff; }
.hero-card-caption { position: absolute; left: 2rem; right: 2rem; bottom: 2rem; padding: 1rem 1.1rem; border-radius: 1rem; background: rgba(7,26,51,.88); color: #fff; backdrop-filter: blur(8px); }
.hero-card-caption span { display: block; color: #a9d0ff; font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.hero-card-caption strong { display: block; margin-top: .25rem; }
.proof-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.proof-grid div { padding-top: 1rem; border-top: 1px solid var(--line); }
.proof-grid strong { display: block; font-size: 1.5rem; }
.proof-grid span { display: block; color: var(--ink-soft); font-size: .88rem; line-height: 1.4; }
.logo-strip { border-block: 1px solid var(--line); background: #fff; }
.technology-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.3rem; padding: 1.3rem 0; color: #5c6f87; font-size: .85rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading h2, .cta-panel h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.08; letter-spacing: -.045em; font-weight: 820; }
.section-heading p { margin-top: 1rem; color: var(--ink-soft); font-size: 1.1rem; }
.service-card, .content-card { padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover, .content-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(16,35,63,.08); }
.card-index { color: var(--accent); font-size: .78rem; font-weight: 850; letter-spacing: .1em; }
.service-card h3, .content-card h2, .content-card h3 { margin: 1.4rem 0 .8rem; font-size: 1.4rem; line-height: 1.2; letter-spacing: -.025em; }
.service-card p, .content-card p { color: var(--ink-soft); }
.content-card h2 a, .content-card h3 a, .article-list h2 a, .article-list h3 a { color: var(--ink); text-decoration: none; }
.content-card h2 a:hover, .content-card h3 a:hover, .article-list h2 a:hover, .article-list h3 a:hover { color: var(--accent); }
.content-meta { display: flex; flex-wrap: wrap; gap: .75rem; color: #75849a; font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.content-meta span + span::before { content: "·"; margin-right: .75rem; }
.outcome { margin-top: 1.5rem; padding: 1rem; border-radius: .85rem; background: var(--warm); }
.outcome span { display: block; color: var(--accent); font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
.outcome strong { display: block; margin-top: .25rem; }
.outcome-large { margin-top: 2rem; max-width: 650px; }
.text-link, .back-link { font-weight: 800; text-decoration: none; }
.article-list article { padding: 0 0 2rem; margin-bottom: 2rem; border-bottom: 1px solid var(--line); }
.article-list article:last-child { margin-bottom: 0; }
.article-list h2, .article-list h3 { margin: .65rem 0; font-size: 1.55rem; letter-spacing: -.025em; }
.article-list p { color: var(--ink-soft); }
.article-list-large article { padding-bottom: 3rem; margin-bottom: 3rem; }
.article-list-large h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); }
.sticky-offset { top: 110px; }
.cta-section { padding: 1rem 0 6rem; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 3.5rem; border-radius: 1.7rem; color: #fff; background: linear-gradient(135deg, var(--navy), #0a4b91); box-shadow: var(--shadow); }
.page-hero, .article-hero { background: linear-gradient(180deg, #f6faff, #fff); }
.page-hero h1, .article-hero h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.lead-prose > p:first-child { font-size: 1.28rem; color: var(--ink); }
.prose { color: #34475f; font-size: 1.08rem; }
.prose h2 { margin-top: 2.8rem; margin-bottom: 1rem; color: var(--ink); font-size: 2rem; letter-spacing: -.035em; }
.prose h3 { margin-top: 2rem; color: var(--ink); }
.prose p, .prose li { max-width: 75ch; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose pre { overflow-x: auto; padding: 1.2rem; border-radius: .8rem; background: #091a2f; color: #e7f2ff; }
.prose code { color: #a12360; }
.prose pre code { color: inherit; }
.prose blockquote { margin: 2rem 0; padding: 1rem 1.5rem; border-left: 4px solid var(--accent); background: var(--surface-muted); }
.principles-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 2rem 0; }
.principles-grid div { padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; }
.principles-grid strong, .principles-grid span { display: block; }
.principles-grid span { margin-top: .35rem; color: var(--ink-soft); font-size: .95rem; }
.service-detail-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.service-detail-grid article { padding: 2.3rem; border: 1px solid var(--line); border-radius: var(--radius); }
.service-detail-grid h2 { margin-top: 1rem; font-size: 1.8rem; letter-spacing: -.035em; }
.service-detail-grid p, .service-detail-grid li { color: var(--ink-soft); }
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list span { padding: .35rem .65rem; border-radius: 999px; background: #edf3f9; color: #496078; font-size: .78rem; font-weight: 700; }
.author-line { margin-top: 1.25rem; color: var(--ink-soft); }
.article-footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.article-footer p { margin-top: 2rem; }
.contact-form { padding: 2.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 20px 50px rgba(16,35,63,.07); }
.form-label { font-weight: 750; }
.form-control, .form-select { min-height: 3.2rem; border-color: #c8d4e1; border-radius: .7rem; }
textarea.form-control { min-height: 12rem; }
.form-control:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 .22rem rgba(11,99,206,.12); }
.contact-aside { padding: 2rem; border-radius: var(--radius); background: var(--navy); color: #fff; }
.contact-aside h2 { font-size: 1.5rem; }
.contact-aside li, .contact-aside p { color: #ccdaea; }
.status-icon { display: grid; place-items: center; width: 4rem; height: 4rem; margin: 0 auto 1.5rem; border-radius: 50%; background: #dff7e8; color: #187a3e; font-size: 2rem; font-weight: 900; }
.site-footer { margin-top: 5rem; background: var(--navy); color: #fff; }
.footer-copy { max-width: 520px; color: #aabbd0; }
.footer-heading { margin-bottom: 1rem; color: #a9d0ff; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: #d9e4f1; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); color: #8fa3bb; }

@media (max-width: 991.98px) {
    .section-pad { padding: 4.5rem 0; }
    .proof-grid { grid-template-columns: 1fr; }
    .cta-panel { align-items: flex-start; flex-direction: column; padding: 2.3rem; }
    .service-detail-grid { grid-template-columns: 1fr; }
    .navbar-collapse { padding: 1rem 0; }
}
@media (max-width: 767.98px) {
    .hero-title, .page-hero h1, .article-hero h1 { letter-spacing: -.04em; }
    .principles-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 1.25rem; }
    .hero-card { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}