/* ===============================
   CINEMATIC HEADER WRAPPER
   =============================== */
.saitech-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
  font-family: 'Helvetica Neue', sans-serif;
  overflow: hidden;
}

/* ===============================
   CONTAINER
   =============================== */
.saitech-container {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1440px;
  gap: 2rem;
}

/* ===============================
   LOGO CINEMATIC
   =============================== */
.saitech-logo-img {
  height: 100px;
  width: auto;
  filter: brightness(1.2) drop-shadow(0 0 15px #c4a668);
  transition: transform 0.4s ease, filter 0.4s ease;
}

.saitech-logo-img:hover {
  transform: scale(1.15) rotate(-1deg);
  filter: brightness(1.5) drop-shadow(0 0 25px #b0955e);
}

/* ===============================
   NAVIGATION
   =============================== */
.saitech-nav {
  margin-left: auto;
}

.saitech-nav-list {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.saitech-nav-list li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
}

.saitech-nav-list li a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: -4px;
  background: #c4a668;
  transition: 0.4s;
}

.saitech-nav-list li a:hover::after {
  width: 100%;
}

.saitech-nav-list li a:hover {
  color: #c4a668;
  transform: translateY(-2px);
}

/* ===============================
   MOBILE MENU TOGGLE
   =============================== */
.saitech-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  cursor: pointer;
}

.saitech-mobile-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: #c4a668;
  border-radius: 2px;
}

/* ===============================
   RESPONSIVE
   =============================== */
@media (max-width: 992px) {
  .saitech-nav {
    display: none;
  }
  .saitech-mobile-toggle {
    display: flex;
    margin-left: auto;
  }
}