/* =========================
   SITE HEADER / BANNER
========================= */
.site-header {
  position: relative;
  width: 100%;
  max-width: 1400px;
  height: 250px;          /* header height */
  margin: 0 auto;
  padding: 0 2rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;  /* vertical centering */
  align-items: flex-start;  /* left-aligned title */
  overflow: hidden;
  color: white;
}

/* Banner image */
.header-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;           /* controlled via CSS */
  height: 100%;          /* controlled via CSS */
  object-fit: cover;
  display: block;
  z-index: 0;
}

/* Site title */
h1.site-title {
  position: relative;     /* in front of image */
  z-index: 1;
  margin-left: 3rem;
  margin-top: 0;
}

.site-title a {
  font-size: clamp(2rem, 5vw, 5rem);
  color: white;
  text-decoration: none;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
  transition: text-shadow 0.3s ease;
}

/* Hover glow effect */
.site-title a:hover,
.site-title a:focus {
  text-shadow:
    0 0 8px #FF6E3A,
    0 0 20px #FF9A3A,
    0 0 30px #FFCA3A,
    0 0 40px #FF3D00,
    2px 2px 5px #FF6E3A,
    -2px -2px 10px #FF9A3A;
}

/* Description */
.site-description {
  display: block;
  font-size: clamp(1rem, 2vw, 1.5rem);
  margin-top: 0.2em;
  color: gold;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.7);
  opacity: 0;
  transform: translateY(-0.2em);
  transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

/* Reveal description on hover */
.site-title a:hover + .site-description,
.site-title a:focus + .site-description {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .site-header {
    height: 180px;
    padding: 0 1rem;
  }

  h1.site-title {
    margin-left: 2rem;
  }

  .site-title a {
    font-size: clamp(1.5rem, 5vw, 3rem);
  }

  .site-description {
    font-size: clamp(.8rem, 1.5vw, 1.2rem);
  }
}