:root {
  --navy-900: #0F2136;
  --navy-700: #16324F;
  --navy-500: #2C5578;
  --green-600: #5AA02C;
  --green-500: #7BC24A;
  --white: #FFFFFF;
  --mist: #F3F7F3;
  --line: #E2E8E4;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--navy-900);
  background: var(--white);
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; }

/* ---------- Navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

/* Primary links */
.primary-nav { flex: 1; display: flex; justify-content: center; }
.primary-nav ul { display: flex; gap: 2rem; }
.primary-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy-700);
  padding: 0.4rem 0.1rem;
  position: relative;
  transition: color 0.2s ease;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--green-600);
  transition: width 0.25s ease;
}
.primary-nav a:hover,
.primary-nav a.is-active { color: var(--green-600); }
.primary-nav a:hover::after,
.primary-nav a.is-active::after { width: 100%; }

/* Right actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-700);
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.15rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-primary {
  background: var(--green-600);
  color: var(--white);
}
.btn-primary:hover { background: #4C8A24; transform: translateY(-1px); }
.btn-ghost {
  border: 1.5px solid var(--navy-700);
  color: var(--navy-700);
}
.btn-ghost:hover { background: var(--navy-700); color: var(--white); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--navy-700);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile panel */
.mobile-nav {
  display: none;
  max-height: 0;
  overflow: hidden;
  background: var(--white);
  border-top: 1px solid var(--line);
  transition: max-height 0.3s ease;
}
.mobile-nav.is-open { max-height: 480px; }
.mobile-nav ul { padding: 1rem 1.5rem 0; display: flex; flex-direction: column; gap: 0.9rem; }
.mobile-nav a { font-size: 1.02rem; font-weight: 500; color: var(--navy-700); }
.mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem 1.5rem;
}
.mobile-actions .btn { width: 100%; }
.mobile-actions .nav-phone { justify-content: center; }

@media (max-width: 900px) {
  .primary-nav, .nav-actions { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
}