:root {
  --navy-950: #081525;
  --navy-900: #0b1f36;
  --navy-800: #11294a;
  --navy-700: #17345d;
  --navy-600: #204476;
  --teal-500: #1f8a7a;
  --teal-400: #2aa693;
  --gold-500: #b98d34;
  --gray-50: #f7f8fa;
  --gray-100: #eef1f5;
  --gray-300: #cbd3dd;
  --gray-500: #6b7688;
  --gray-700: #3a4454;
  --white: #ffffff;
  --shadow: 0 8px 24px rgba(8, 21, 37, 0.08);
  --radius: 8px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
  color: var(--navy-900);
  line-height: 1.25;
  margin: 0 0 16px;
  font-weight: 700;
}

h1 { font-size: clamp(2.1rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--gray-500); }

section { padding: 72px 0; }

.section-alt { background: var(--gray-50); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-500);
  margin-bottom: 12px;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head p { color: var(--gray-500); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--teal-500);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-400); }

.btn-outline {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-outline-dark {
  border-color: var(--navy-700);
  color: var(--navy-700);
  background: transparent;
}
.btn-outline-dark:hover { background: var(--navy-700); color: var(--white); }

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.logo span { color: var(--teal-400); }
.logo-mark { width: 34px; height: 34px; flex-shrink: 0; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: var(--gray-300);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
nav.main-nav a:hover,
nav.main-nav a.active { color: var(--white); }

.nav-cta { display: flex; align-items: center; gap: 20px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 55%, var(--navy-700) 100%);
  color: var(--white);
  padding: 100px 0;
}
.hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { color: var(--white); }
.hero p.lead { color: var(--gray-300); font-size: 1.1rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.hero-panel {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 28px;
}
.hero-panel ul { list-style: none; margin: 0; padding: 0; }
.hero-panel li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: var(--gray-300);
  font-size: 0.92rem;
}
.hero-panel li:last-child { border-bottom: none; }
.hero-panel .dot {
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal-400);
  margin-top: 6px;
}

/* Cards / grids */
.grid {
  display: grid;
  gap: 28px;
}
.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: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--navy-900);
  color: var(--teal-400);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin-bottom: 18px;
}
.card .icon img { width: 24px; height: 24px; }
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* Colorful schematic thumbnail on home cards */
.card-graphic {
  margin: -30px -30px 20px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-100);
}
.card-graphic img { width: 100%; height: auto; display: block; }

/* Service block icon badge (services.html) */
.service-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.service-icon img { width: 26px; height: 26px; }

/* Larger schematic diagram panel on services.html */
.service-graphic {
  margin-bottom: 22px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  max-width: 420px;
}
.service-graphic img { width: 100%; height: auto; display: block; }

/* Stats */
.stats-band {
  background: var(--navy-900);
  color: var(--white);
  padding: 48px 0;
}
.stats-band .grid-4 { text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--teal-400); }
.stat-label { color: var(--gray-300); font-size: 0.88rem; margin-top: 4px; }

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--teal-500), var(--navy-700));
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.85); }

/* Table-ish list */
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  padding: 10px 0 10px 30px;
  position: relative;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.check-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--teal-500);
  font-weight: 700;
}

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--gray-700);
  background: var(--white);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal-500);
}
textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.85rem;
  margin-top: 14px;
}
.form-status {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 6px;
  background: #e6f5f1;
  color: var(--teal-500);
  font-weight: 600;
}

/* Contact info cards */
.contact-info { display: grid; gap: 20px; }
.contact-info .item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-info .icon-sm {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--navy-900);
  color: var(--teal-400);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Page header (inner pages) */
.page-header {
  background: var(--navy-950);
  color: var(--white);
  padding: 64px 0 56px;
}
.page-header .eyebrow { color: var(--teal-400); }
.page-header h1 { color: var(--white); margin-bottom: 8px; }
.page-header p { color: var(--gray-300); max-width: 640px; }
.breadcrumb { font-size: 0.85rem; color: var(--gray-300); margin-bottom: 18px; }
.breadcrumb a { color: var(--teal-400); }

/* Service detail blocks */
.service-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--gray-100);
}
.service-block:last-child { border-bottom: none; }
.service-block .tag {
  display: inline-block;
  background: var(--gray-100);
  color: var(--navy-800);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

/* Values / about */
.value-card { text-align: left; }

/* Footer */
footer.site-footer {
  background: var(--navy-950);
  color: var(--gray-300);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--gray-300); font-size: 0.9rem; }
.footer-grid a:hover { color: var(--teal-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .service-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  nav.main-nav { position: fixed; top: 65px; left: 0; right: 0; background: var(--navy-950); flex-direction: column; padding: 12px 24px 24px; display: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  nav.main-nav.open { display: block; }
  nav.main-nav ul { flex-direction: column; gap: 4px; }
  nav.main-nav ul li { border-bottom: 1px solid rgba(255,255,255,0.06); }
  nav.main-nav ul li a { display: block; padding: 12px 0; }
  .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
}