:root {
  --navy: #102b3f;
  --blue: #2e5f7a;
  --cyan: #1ca5b8;
  --ink: #24323a;
  --muted: #60717c;
  --line: #d9e2e8;
  --soft: #f4f7f9;
  --white: #ffffff;
  --max: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(217,226,232,.9);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 10px;
  background: var(--navy); color: white; font-size: 13px; letter-spacing: .06em;
}
.brand-text { font-size: 18px; letter-spacing: -.02em; }
.nav { display: flex; gap: 26px; align-items: center; font-size: 14px; font-weight: 600; color: #485963; }
.nav a:hover { color: var(--navy); }
.nav-cta { padding: 10px 16px; border: 1px solid var(--navy); border-radius: 999px; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(28,165,184,.12), transparent 28%),
    linear-gradient(180deg, #fbfdfe 0%, #f4f8fa 100%);
  padding: 96px 0 84px;
}
.hero-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--cyan); text-transform: uppercase; font-size: 12px; font-weight: 700; letter-spacing: .15em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; max-width: 780px; color: var(--navy); font-size: clamp(46px, 6vw, 76px); line-height: 1.03; letter-spacing: -.05em; }
h2 { margin-bottom: 20px; color: var(--navy); font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.035em; }
h3 { margin-bottom: 10px; color: var(--navy); font-size: 20px; line-height: 1.3; }
.hero-lead { max-width: 760px; margin-bottom: 30px; color: #4a5e69; font-size: 19px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 9px; font-weight: 700; font-size: 14px; transition: .2s ease; }
.btn-primary { background: var(--navy); color: white; }
.btn-primary:hover { background: #173d58; transform: translateY(-1px); }
.btn-secondary { border: 1px solid var(--line); background: white; color: var(--navy); }
.btn-secondary:hover { border-color: #b7c6cf; transform: translateY(-1px); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.hero-tags span { border: 1px solid #d5e1e7; background: rgba(255,255,255,.72); border-radius: 999px; padding: 7px 11px; font-size: 12px; color: #49606d; }
.hero-panel { padding: 30px; background: var(--navy); color: white; border-radius: 24px; box-shadow: 0 24px 70px rgba(16,43,63,.18); }
.panel-kicker { margin-bottom: 12px; color: #8fe1e9; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; }
.focus-item { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.12); }
.focus-num { color: #7fd1dc; font-size: 12px; font-weight: 700; }
.focus-item h3 { color: white; font-size: 17px; }
.focus-item p { margin-bottom: 0; color: #c8d5dc; font-size: 14px; line-height: 1.55; }

.section { padding: 94px 0; }
.section-light { background: var(--soft); }
.section-heading { max-width: 780px; margin-bottom: 46px; }
.section-heading > p:last-child { color: var(--muted); font-size: 17px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 260px; padding: 26px; background: white; border: 1px solid #e0e7eb; border-radius: var(--radius); box-shadow: 0 8px 30px rgba(16,43,63,.035); }
.card-index { margin-bottom: 40px; color: var(--cyan); font-size: 12px; font-weight: 700; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
.body-large { color: var(--muted); font-size: 18px; line-height: 1.8; }
.steps { border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.step > span { color: var(--cyan); font-size: 12px; font-weight: 700; }
.step strong { display: block; margin-bottom: 5px; color: var(--navy); font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.section-dark { background: #112a3c; }
.on-dark h2 { color: white; }
.on-dark > p:last-child { color: #bfd0da; }
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.13); border-left: 1px solid rgba(255,255,255,.13); }
.expertise-grid > div { min-height: 150px; padding: 28px; border-right: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.expertise-grid strong { display: block; color: white; margin-bottom: 10px; }
.expertise-grid span { color: #b8cbd6; font-size: 14px; }

.contact-section { padding-top: 80px; padding-bottom: 80px; }
.contact-box { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: center; padding: 42px; border: 1px solid var(--line); border-radius: 22px; background: #fbfcfd; }
.contact-box p { color: var(--muted); }
.contact-action { text-align: right; }
.contact-note { margin-top: 12px; margin-bottom: 0; font-size: 12px; }
.footer { padding: 30px 0; border-top: 1px solid var(--line); color: #6e7f89; font-size: 12px; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 900px) {
  .nav a:not(.nav-cta) { display: none; }
  .hero { padding-top: 68px; }
  .hero-grid, .split, .contact-box { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .cards, .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-action { text-align: left; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, var(--max)); }
  .brand-text { font-size: 16px; }
  .nav-cta { padding: 9px 12px; }
  .hero { padding: 56px 0 56px; }
  .section { padding: 70px 0; }
  .cards, .expertise-grid { grid-template-columns: 1fr; }
  .hero-panel, .contact-box { padding: 24px; }
  .footer-wrap { flex-direction: column; }
}
