/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ── Gold button ── */
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #d4a963;
  color: #1e2431;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-gold:hover {
  background: #c49a52;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(212, 169, 99, 0.35);
}
.btn-gold:active { transform: translateY(0); }

/* ── Outline light button ── */
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: #f0f7f8;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  border: 1.5px solid rgba(255,255,255,0.35);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

/* ── Dark button (CTA band) ── */
.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #1e2431;
  color: #f0f7f8;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 0.9rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-dark:hover {
  background: #2a3040;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(30, 36, 49, 0.3);
}

/* ── Nav link ── */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #d4a963;
  transition: width 0.25s;
}
.nav-link:hover::after { width: 100%; }

/* ── Service card ── */
.card-service {
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid #e8e9ec;
  background: #fff;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.card-service:hover {
  box-shadow: 0 8px 30px rgba(15, 76, 92, 0.08);
  transform: translateY(-3px);
  border-color: #b9dce2;
}

/* ── Input fields ── */
.input-field {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid #d1d3d9;
  border-radius: 8px;
  font-family: 'Lato', sans-serif;
  font-size: 0.9375rem;
  color: #1e2431;
  background: #f6f7f8;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  outline: none;
}
.input-field:focus {
  border-color: #2a6274;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(42, 98, 116, 0.1);
}
.input-field::placeholder { color: #a8adb8; }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Mobile menu transition ── */
#mobileMenu {
  max-height: 0;
}
#mobileMenu.open {
  max-height: 400px;
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
  .btn-gold, .btn-outline-light, .btn-dark {
    width: 100%;
    justify-content: center;
  }
  .hero-stats {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
}