body {
    font-family: Montserrat, Arial, Helvetica, sans-serif;
    background-color: #f7f7f7;
    margin: 0;
    padding: 0;

    /* Flexbox centering */
    display: flex;
    align-items: center;
    min-height: 100vh;  /* ensures body fills full height */
    flex-direction: column;
}

nav.fixed-top {
    z-index: 1030;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 10px;
}

.brand-text .title {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(90deg, #0030a0, #0097f0, #00e3ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text .slogan {
  font-size: 0.85rem;
  color: #888;
}

main {
    margin-top: 30px;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
}