/* =========================
   Header Section
   ========================= */
.site-header {
  width: 100%;
  padding: 1rem 0;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb; /* subtle gray line */
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 40px;
  width: auto;
}

/* Navigation */
.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #646464;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: #006eff;
}

/* Contact button inside nav */
.nav-menu .btn-small {
  padding: 8px 16px;
  border-radius: 6px;
  background: linear-gradient(90deg, #006eff, #00b4ff);
  color: #fff !important;
  font-weight: 600;
}
.nav-menu .btn-small:hover {
  opacity: 0.9;
}

.menu-toggle {
    display: none;
  }

/* =========================
   Mobile Responsive (Header)
   ========================= */
@media (max-width: 768px) {
  .header-container {
    flex-direction: row;
    justify-content: space-between;
  }

  .logo img {
    height: 32px;
  }

  /* Mobile nav dropdown */
  .nav-menu {
    display: none;
    position: fixed;   /* instead of absolute */
    top: 64px;         /* below header */
    left: 0;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    padding: 1.5rem 0;
    z-index: 5000;     /* overlay everything */
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }

  .menu-toggle {
        display: block;
        cursor: pointer;
        font-size: 1.8rem;
        color: black;
        z-index: 6000;
        background-color: white;
        border: none;
    }

  .nav-menu.active {
    display: block;
  }
}


/* =========================
   Mobile Utility
   ========================= */
@media (max-width: 480px) {
  .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
  }
  h1, h2 {
    font-size: 1.5rem;
  }
  .container {
    width: 95%;
  }
}