:root {
  --ink: #081a27;
  --ink-soft: #17384a;
  --blue: #0077a8;
  --cyan: #10a9c7;
  --sun: #f0ad2e;
  --paper: #f5f8f8;
  --white: #ffffff;
  --line: rgba(8, 26, 39, 0.15);
  --shadow: 0 28px 80px rgba(6, 30, 45, 0.16);
  --radius: 1.4rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(245, 248, 248, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; font-weight: 820; letter-spacing: -.02em; }
.brand-mark { width: 38px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--sun); box-shadow: inset 0 0 0 6px rgba(240,173,46,.12); }
.brand-mark svg { width: 22px; height: 22px; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { font-size: .93rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.nav-cta { padding: .75rem 1rem; color: var(--white) !important; background: var(--ink); border-radius: 999px; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); padding: .5rem; }

.hero { position: relative; overflow: hidden; background: var(--ink); color: var(--white); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(90deg, #000, transparent 72%); }
.hero-grid { min-height: 690px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 4rem; padding-block: 6rem; }
.eyebrow { margin: 0 0 1.2rem; color: var(--cyan); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 1.5rem; font-size: clamp(3rem, 7vw, 6.7rem); line-height: .92; letter-spacing: -.065em; }
.hero h1 span { color: var(--sun); }
.hero-copy { max-width: 630px; color: #c9d7dd; font-size: clamp(1.05rem, 2vw, 1.25rem); line-height: 1.65; }
.button-row { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px; padding: .8rem 1.15rem; border: 1px solid transparent; border-radius: 999px; font-weight: 760; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--sun); color: var(--ink); }
.button-secondary { border-color: rgba(255,255,255,.28); color: var(--white); }
.hero-visual { position: relative; z-index: 1; }
.hero-image { aspect-ratio: 4/5; width: 100%; object-fit: cover; border-radius: 12rem 12rem 1.5rem 1.5rem; box-shadow: var(--shadow); filter: saturate(.86) contrast(1.05); }
.metric-card { position: absolute; left: -2.5rem; bottom: 2rem; width: min(270px, 70%); padding: 1.2rem; color: var(--ink); background: rgba(255,255,255,.94); border-radius: 1rem; box-shadow: var(--shadow); }
.metric-line { height: 8px; margin: .8rem 0; overflow: hidden; border-radius: 999px; background: #d9e3e7; }
.metric-line span { display: block; width: 78%; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.metric-card small { color: #527080; }

.section { padding-block: 6rem; }
.section-dark { color: var(--white); background: var(--ink); }
.section-heading { display: grid; grid-template-columns: .55fr 1.2fr; gap: 4rem; align-items: end; margin-bottom: 3rem; }
.section-heading h2, .page-hero h1 { margin-bottom: 0; font-size: clamp(2.3rem, 5vw, 4.7rem); line-height: 1; letter-spacing: -.05em; }
.section-heading p { max-width: 680px; margin-bottom: .25rem; color: #526d7b; font-size: 1.05rem; line-height: 1.65; }
.section-dark .section-heading p { color: #b8cbd4; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.service { min-height: 280px; padding: 2rem 2rem 2rem 0; border-bottom: 1px solid var(--line); }
.service + .service { padding-left: 2rem; border-left: 1px solid var(--line); }
.service-number { display: block; margin-bottom: 4rem; color: var(--blue); font-weight: 780; }
.service h3 { font-size: 1.35rem; }
.service p { color: #59717e; line-height: 1.65; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.case-card { display: flex; min-height: 360px; flex-direction: column; padding: 1.6rem; border-radius: var(--radius); background: #102c3c; border: 1px solid rgba(255,255,255,.11); }
.case-card .tag, .tag { align-self: flex-start; display: inline-flex; padding: .45rem .7rem; color: var(--cyan); background: rgba(16,169,199,.12); border: 1px solid rgba(16,169,199,.25); border-radius: 999px; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.case-card h3 { margin-top: auto; font-size: 1.65rem; line-height: 1.15; }
.case-card p { color: #bdd0d8; line-height: 1.6; }
.case-card a { font-weight: 750; color: var(--sun); text-decoration: none; }

.insight-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.insight-main, .insight-list { border-radius: var(--radius); background: var(--white); box-shadow: 0 8px 40px rgba(8,26,39,.07); }
.insight-main { padding: 2.2rem; }
.insight-main h3 { margin: 1.2rem 0; font-size: 2rem; line-height: 1.15; }
.insight-main p { color: #58717f; line-height: 1.65; }
.insight-list { padding: .6rem 1.6rem; }
.insight-link { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; padding: 1.4rem 0; text-decoration: none; border-bottom: 1px solid var(--line); }
.insight-link:last-child { border-bottom: 0; }
.insight-link strong { display: block; margin-bottom: .35rem; }
.insight-link small { color: #68808c; }

.cta-band { margin-bottom: 2rem; padding: 3rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: var(--ink); background: var(--sun); border-radius: var(--radius); }
.cta-band h2 { max-width: 650px; margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.8rem); line-height: 1; letter-spacing: -.045em; }
.cta-band .button { background: var(--ink); color: var(--white); white-space: nowrap; }

.page-hero { padding-block: 6rem 4rem; background: var(--ink); color: var(--white); }
.page-hero p { max-width: 720px; margin: 1.5rem 0 0; color: #c2d3da; font-size: 1.15rem; line-height: 1.65; }
.case-study { display: grid; grid-template-columns: .42fr 1fr; gap: 3rem; padding-block: 3rem; border-top: 1px solid var(--line); }
.case-study h2 { font-size: 2.1rem; letter-spacing: -.03em; }
.case-study .meta { color: var(--blue); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.case-study p, .article-card p, .prose p { color: #526c79; line-height: 1.75; }
.result-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1.6rem; padding: 0; list-style: none; }
.result-list li { padding: 1rem; background: var(--white); border: 1px solid var(--line); border-radius: .9rem; font-weight: 680; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.article-card { padding: 1.6rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.article-card h2 { margin: 1.2rem 0 .8rem; font-size: 1.6rem; line-height: 1.2; }
.article-card a { color: var(--blue); font-weight: 760; text-decoration: none; }
.article-meta { color: #718994; font-size: .82rem; }
.prose { max-width: 800px; margin-inline: auto; }
.prose h2 { margin-top: 2.5rem; font-size: 2rem; }
.prose li { margin-bottom: .75rem; color: #526c79; line-height: 1.65; }

.contact-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 4rem; }
.contact-note { padding: 1.5rem; background: #e6f1f4; border-left: 4px solid var(--blue); border-radius: 0 1rem 1rem 0; line-height: 1.6; }
.contact-form { display: grid; gap: 1rem; padding: 2rem; background: var(--white); border-radius: var(--radius); box-shadow: 0 8px 40px rgba(8,26,39,.07); }
.field { display: grid; gap: .45rem; }
.field label { font-weight: 720; font-size: .9rem; }
.field input, .field textarea, .field select { width: 100%; padding: .9rem 1rem; color: var(--ink); background: #f7f9fa; border: 1px solid #cbd8dd; border-radius: .75rem; }
.field textarea { min-height: 150px; resize: vertical; }
.form-status { min-height: 1.5rem; color: var(--blue); font-weight: 650; }
.contact-form button { justify-self: start; border: 0; background: var(--ink); color: var(--white); cursor: pointer; }

.site-footer { padding-block: 3rem; color: #c1d1d8; background: #06131d; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.footer-grid p { max-width: 520px; color: #91aab5; line-height: 1.6; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-links a { text-decoration: none; }
.copyright { margin-top: 2rem; padding-top: 1.5rem; color: #69838e; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 1rem; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .hero-grid, .section-heading, .contact-layout { grid-template-columns: 1fr; }
  .hero-grid { padding-block: 4rem; gap: 2rem; }
  .hero-visual { max-width: 600px; }
  .hero-image { aspect-ratio: 5/4; border-radius: 6rem 6rem 1.2rem 1.2rem; }
  .metric-card { left: 1rem; }
  .service-grid, .case-grid, .blog-grid { grid-template-columns: 1fr; }
  .service + .service { padding-left: 0; border-left: 0; }
  .service { min-height: auto; }
  .service-number { margin-bottom: 2rem; }
  .insight-strip { grid-template-columns: 1fr; }
  .case-study { grid-template-columns: 1fr; gap: 1rem; }
  .result-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 1.25rem, 1180px); }
  .brand { font-size: .92rem; }
  .section { padding-block: 4rem; }
  .hero-grid { min-height: auto; }
  h1 { font-size: clamp(2.8rem, 16vw, 4.3rem); }
  .cta-band { padding: 2rem; flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}

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