:root {
  --navy: #0f2d5c;
  --navy-dark: #0a1f42;
  --teal: #16a9a6;
  --teal-dark: #108682;
  --ink: #1a2433;
  --muted: #5b6b7f;
  --bg: #ffffff;
  --bg-alt: #f5f8fa;
  --border: #e3e9ee;
  --radius: 10px;
  --max-width: 1120px;
  --shadow: 0 8px 24px rgba(15, 45, 92, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

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

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

h1, h2, h3 { line-height: 1.2; margin: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand { display: flex; align-items: center; }

.brand-logo { height: 50px; width: auto; }

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--navy);
  transition: color 0.15s ease;
}

.nav a:hover { color: var(--teal-dark); }

.nav-cta { margin-left: 8px; flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(22, 169, 166, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover { border-color: var(--navy); }

.btn-large { font-size: 1.05rem; padding: 16px 32px; }

/* Hero */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(22, 169, 166, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 96px 0 88px;
}

.hero-inner { max-width: 760px; }

.hero-logo {
  height: 180px;
  width: auto;
  margin: 0 auto 28px;
  display: block;
  padding: 10px;
  background: #fff;
  border-radius: 16px;
  box-sizing: content-box;
}

.eyebrow {
  color: var(--teal-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Section shared */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--navy-dark);
  text-align: center;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 560px;
  margin: 12px auto 48px;
  font-size: 1.05rem;
}

.section-title.light { color: #ffffff; }
.section-sub.light { color: rgba(255, 255, 255, 0.82); }

/* Services */
.services { padding: 96px 0; background: var(--bg); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(22, 169, 166, 0.4);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--navy);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 10px;
}

.card p { color: var(--muted); margin: 0; font-size: 0.97rem; }

/* About */
.about { padding: 88px 0; background: var(--bg-alt); }

.about-inner { max-width: 720px; margin: 0 auto; text-align: center; }

.about-text p {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 20px;
}

/* Contact */
.contact {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  padding: 96px 0;
  text-align: center;
}

.contact-inner { display: flex; flex-direction: column; align-items: center; }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.footer-logo {
  height: 50px;
  width: auto;
  background: #ffffff;
  border-radius: 6px;
  padding: 3px 6px;
}

/* Responsive */
@media (max-width: 780px) {
  .nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
  }
}