:root {
  --navy: #0A2540;
  --navy-2: #13315C;
  --blue: #1B6FE0;
  --cyan: #22D3EE;
  --ink: #1B2A3A;
  --slate: #5A6B7B;
  --line: #E3EAF3;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FD;
  --bg-accent: #EAF2FF;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06), 0 1px 1px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 24px 48px rgba(10, 37, 64, 0.12);
  --container: 1180px;
  --font: "Inter", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink); }

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

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy);
  color: #C7D6EA;
  font-size: 0.85rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.topbar a { color: #C7D6EA; }
.topbar .tb-meta span + span { margin-left: 18px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand img { height: 40px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
}
.nav-links a:hover { color: var(--blue); text-decoration: none; }
.nav-links a.active { color: var(--blue); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--blue);
}
.nav-links a.btn { padding: 12px 32px; }
.nav-links a.btn.active::after { display: none; }
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary,
.nav-links a.btn-primary,
.nav-links a.btn-primary.active {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover,
.nav-links a.btn-primary:hover { background: #155bbd; color: #fff; }
.nav-links a.btn-primary.active::after { display: none; }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-accent); border-color: #c9d8ec; }
.btn-light { background: #fff; color: var(--navy); }

.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: var(--navy); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--blue);
  text-transform: uppercase;
  padding: 6px 12px;
  background: var(--bg-accent);
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  margin-bottom: 18px;
}
.hero p.lead {
  font-size: 1.12rem;
  color: var(--slate);
  margin-bottom: 28px;
  max-width: 560px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-meta .stat strong {
  display: block;
  font-size: 1.6rem;
  color: var(--navy);
}
.hero-meta .stat span {
  color: var(--slate);
  font-size: 0.9rem;
}

/* ---------- Section ---------- */
section.section { padding: 76px 0; }
section.section.tight { padding: 56px 0; }
section.alt { background: var(--bg-soft); }
section.dark { background: var(--navy); color: #C7D6EA; }
section.dark h1, section.dark h2, section.dark h3 { color: #fff; }
section.dark p { color: #C7D6EA; }

.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .eyebrow { display: inline-block; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--slate); max-width: 720px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Grid cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: #c9d8ec;
  box-shadow: var(--shadow-md);
}
.card .icon { width: 56px; height: 56px; margin-bottom: 16px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--slate); margin: 0; font-size: 0.96rem; }
.card a.more {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.92rem;
}

/* ---------- Logos strip / trust ---------- */
.trust {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.trust p {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  color: var(--slate);
  margin-bottom: 18px;
}
.trust-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-row span {
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #9AAFC4;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
}

/* ---------- Two col w/ image ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split.reverse > div:first-child { order: 2; }

.feature-list { list-style: none; padding: 0; margin: 18px 0 0; }
.feature-list li {
  position: relative;
  padding: 10px 0 10px 32px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.feature-list li:last-child { border-bottom: 0; }
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 16px;
  width: 18px; height: 18px;
  background: var(--bg-accent);
  border-radius: 50%;
  border: 2px solid var(--blue);
}
.feature-list li::after {
  content: "";
  position: absolute;
  left: 6px; top: 21px;
  width: 6px; height: 10px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, #13315C 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: #fff; margin: 0; max-width: 640px; }
.cta-banner p { color: #C7D6EA; margin: 8px 0 0; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: #C7D6EA;
  padding: 56px 0 24px;
}
.footer h4 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer a { color: #C7D6EA; display: block; padding: 4px 0; font-size: 0.92rem; }
.footer a:hover { color: #fff; }
.footer-brand img { height: 40px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { color: #9AAFC4; font-size: 0.92rem; max-width: 320px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  font-size: 0.85rem;
  color: #9AAFC4;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { display: inline-block; margin-left: 18px; }

/* ---------- Page header (interior) ---------- */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, #13315C 100%);
  color: #fff;
  padding: 72px 0 56px;
}
.page-header .eyebrow {
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { color: #C7D6EA; max-width: 760px; font-size: 1.1rem; }
.crumbs {
  font-size: 0.85rem;
  color: #9AAFC4;
  margin-bottom: 20px;
}
.crumbs a { color: #9AAFC4; }
.crumbs span { margin: 0 6px; }

/* ---------- Contact form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-grid label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink);
}
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27,111,224,0.15);
}
.form-grid textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--slate); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-card h3 { margin-bottom: 14px; }
.contact-card p { margin-bottom: 8px; color: var(--ink); font-size: 0.96rem; }
.contact-card .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--slate);
  font-weight: 600;
  margin-top: 14px;
}

/* ---------- Case study cards ---------- */
.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.case-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.case-card img { width: 100%; height: 200px; object-fit: cover; }
.case-card .body { padding: 24px 28px 28px; }
.case-card .tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue);
}
.case-card h3 { margin: 8px 0 8px; font-size: 1.15rem; }
.case-card p { color: var(--slate); font-size: 0.94rem; }
.case-card ul { padding-left: 18px; color: var(--slate); font-size: 0.92rem; }

/* ---------- Process steps ---------- */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 8px;
  font-family: "JetBrains Mono", "Courier New", monospace;
}
.step h4 { margin: 0 0 8px; color: var(--navy); font-size: 1.05rem; }
.step p { color: var(--slate); margin: 0; font-size: 0.94rem; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.member {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.member img { width: 110px; height: 110px; border-radius: 50%; margin: 0 auto 14px; }
.member h4 { margin: 0; color: var(--navy); }
.member .role { color: var(--blue); font-weight: 600; font-size: 0.9rem; }
.member p { color: var(--slate); font-size: 0.92rem; margin-top: 10px; }

/* ---------- Long content ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 32px; }
.prose ul { padding-left: 22px; color: var(--ink); }
.prose ul li { margin-bottom: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .split.reverse > div:first-child { order: 0; }
  .grid-3, .grid-4, .steps, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.6rem; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 18px 24px;
    gap: 14px;
  }
  .form-grid { grid-template-columns: 1fr; }
  .topbar-inner { font-size: 0.78rem; }
}

@media (max-width: 600px) {
  .grid-3, .grid-4, .steps, .team-grid, .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 28px; }
  section.section { padding: 56px 0; }
}