:root {
  --navy: #0a2540;
  --brand: #14508c;
  --brand-strong: #0f3f70;
  --accent: #1f6feb;
  --text: #1c2733;
  --muted: #5b6b7c;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --radius: 10px;
  --wrap: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3 { color: var(--navy); line-height: 1.3; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 650; }
h3 { font-size: 1.125rem; font-weight: 650; }

p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex; align-items: center; gap: 28px;
  min-height: 72px;
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); }
.brand:hover { color: var(--navy); }
.brand-mark { width: 32px; height: 32px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.05rem; letter-spacing: .02em; }
.brand-text small { font-size: .62rem; letter-spacing: .14em; color: var(--muted); }

.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a {
  color: var(--text); font-size: .95rem; padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--brand); border-bottom-color: var(--brand); }

.header-cta { flex: none; }

.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; margin-left: auto;
  background: none; border: 1px solid var(--line); border-radius: 8px;
  cursor: pointer; padding: 0 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 2px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 22px; border-radius: 8px;
  font-size: .95rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-strong); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy); border-color: #c8d2dd; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(31, 111, 235, .10), transparent 70%),
    linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.hero-inner { padding: clamp(56px, 8vw, 104px) 24px clamp(48px, 6vw, 84px); max-width: 860px; }

.eyebrow {
  font-size: .8rem; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--brand);
  margin: 0 0 14px;
}

.hero h1 { margin-bottom: 20px; }
.lede { font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--muted); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin-top: 26px; font-size: .85rem; color: var(--muted); }

/* ---------- stats ---------- */
.stats { border-bottom: 1px solid var(--line); background: var(--bg); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-top: 34px; padding-bottom: 34px; gap: 18px;
}
.stat { text-align: center; }
.stat strong {
  display: block; font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--navy); font-weight: 700; letter-spacing: -.02em;
}
.stat span { font-size: .85rem; color: var(--muted); }

/* ---------- sections ---------- */
.section { padding: clamp(56px, 7vw, 92px) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-lede { color: var(--muted); margin: 0; }

/* ---------- cards ---------- */
.cards { display: grid; gap: 20px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

.card, .solution, .case {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.section-alt .card, .section-alt .solution { box-shadow: 0 1px 2px rgba(10, 37, 64, .04); }

.card-icon {
  width: 40px; height: 40px; border-radius: 9px;
  display: grid; place-items: center;
  background: #eaf1fa; color: var(--brand);
  margin-bottom: 16px;
}
.card-icon svg { width: 22px; height: 22px; }
.card p, .solution p { color: var(--muted); margin: 0; font-size: .95rem; }

.solution h3 { margin-bottom: 10px; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; }
.tags li {
  font-size: .78rem; color: var(--brand);
  background: #eef4fb; border-radius: 999px; padding: 3px 11px;
}

/* ---------- cases ---------- */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-tag { font-size: .78rem; color: var(--brand); font-weight: 600; margin: 0 0 10px; letter-spacing: .04em; }
.case h3 { font-size: 1.05rem; }
.case p { color: var(--muted); font-size: .93rem; }
.case-metrics {
  display: flex; gap: 26px; margin: 18px 0 0; padding-top: 16px;
  border-top: 1px solid var(--line);
}
.case-metrics dt { font-size: .76rem; color: var(--muted); }
.case-metrics dd { margin: 2px 0 0; font-size: 1.1rem; font-weight: 700; color: var(--brand); }
.disclaimer { margin: 26px 0 0; font-size: .8rem; color: #8b98a6; }

/* ---------- news ---------- */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-item { border-top: 2px solid var(--navy); padding-top: 18px; }
.news-item time { font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.news-item h3 { font-size: 1rem; margin: 8px 0 8px; }
.news-item h3 a { color: var(--navy); }
.news-item h3 a:hover { color: var(--brand); }
.news-item p { font-size: .9rem; color: var(--muted); margin: 0; }

/* ---------- process ---------- */
.process {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
  border-top: 1px solid var(--line);
}
.step { padding: 22px 18px 0 0; border-right: 1px solid var(--line); }
.step:last-child { border-right: none; }
.step-no {
  display: block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  color: var(--brand); margin-bottom: 10px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { font-size: .88rem; color: var(--muted); margin: 0; }

/* ---------- certs ---------- */
.certs {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.certs li {
  border-left: 3px solid var(--brand);
  padding: 4px 0 4px 16px;
}
.certs strong { display: block; color: var(--navy); font-size: .98rem; }
.certs span { font-size: .82rem; color: var(--muted); }

/* ---------- join ---------- */
.join { background: var(--navy); color: #cfdae7; padding: 40px 0; }
.join-inner { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.join h2 { color: #fff; font-size: 1.35rem; margin: 0 0 6px; }
.join p { margin: 0; font-size: .92rem; color: #9fb1c6; }
.join .btn-primary { background: #fff; color: var(--navy); }
.join .btn-primary:hover { background: #e6eef8; color: var(--navy); }

/* ---------- contact ---------- */
.contact-inner {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 72px); align-items: start;
}
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.contact-list li:first-child { border-top: 1px solid var(--line); }
.contact-label { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.contact-list a, .contact-list span:not(.contact-label) { font-size: 1rem; color: var(--navy); }
.contact-list a:hover { color: var(--accent); }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: #c9d4e0; padding: 44px 0 22px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 26px; justify-content: space-between; align-items: center; }
.footer-brand strong { display: block; color: #fff; font-size: 1rem; }
.footer-brand p { margin: 4px 0 0; font-size: .85rem; color: #93a4b8; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a { color: #c9d4e0; font-size: .9rem; }
.footer-nav a:hover { color: #fff; }
.footer-legal {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.footer-legal p { margin: 0; font-size: .8rem; color: #8b9cb0; }
.footer-legal a { color: #8b9cb0; }
.footer-legal a:hover { color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .cards-3, .cases, .news { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; row-gap: 26px; }
  .contact-inner { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; border-top: none; }
  .step { border-right: none; border-top: 1px solid var(--line); padding: 18px 18px 18px 0; }
  .certs { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
    box-shadow: 0 12px 24px rgba(10, 37, 64, .08);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: none; }

  .cards-3, .cards-2, .cases, .news { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .certs { grid-template-columns: 1fr; }
  .join-inner { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}