* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

/* VIDEO FIX (IMPORTANT) */
#bg-video {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  object-fit: cover;

  z-index: -3;
}

/* DARK OVERLAY (STRONGER) */
.overlay {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  background: rgba(0, 0, 0, 0.65); /* daha koyu */
  z-index: -2;
}

/* CENTER CONTENT */
.content {
  width: 100%;
  height: 100%;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  text-align: center;
  gap: 18px;
}

/* LOGO + NAME ABOVE TITLE */
.brand-center {
  display: flex;
  align-items: center;
  gap: 12px;

  margin-bottom: 10px;
}

.brand-center img {
  width: 44px;
  height: 44px;
  border-radius: 50%;

  border: 1px solid rgba(1, 246, 151, 0.6);
  box-shadow: 0 0 15px rgba(1, 246, 151, 0.4);
}

.brand-center span {
  color: white;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.9;
}

/* TITLE */
.content h1 {
  font-size: 72px;
  font-weight: 800;
  letter-spacing: 6px;

  color: white;

  text-shadow:
    0 0 10px rgba(1, 246, 151, 0.8),
    0 0 25px rgba(1, 246, 151, 0.5),
    0 0 45px rgba(1, 246, 151, 0.3);
}

/* SUBTITLE */
.subtitle {
  max-width: 600px;
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  line-height: 1.6;
}

/* MOBILE */
@media (max-width: 768px) {
  .content h1 {
    font-size: 38px;
  }
}