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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: #fff;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
}

#bg-video {
  position: fixed;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: -2;
  opacity: 0.35;
}

.logo {
  width: clamp(100px, 20vw, 180px);
  height: clamp(100px, 20vw, 180px);
  border-radius: 28%;
  object-fit: cover;
  margin-bottom: 1.2em;
}

.overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.6) 100%);
  z-index: -1;
}

main {
  text-align: center;
  z-index: 1;
}

h1 {
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.2em;
}

.tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  opacity: 0.7;
  margin-bottom: 2em;
  font-weight: 300;
}

.links {
  display: grid;
  grid-template-columns: repeat(3, 52px);
  gap: 1rem;
  justify-content: center;
}

.links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  transition: background 0.2s, border-color 0.2s;
}

.links a:hover {
  background: rgba(0,0,0,0.7);
  border-color: rgba(255,255,255,0.4);
}

.links a img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.links a img.icon-invert {
  filter: invert(1);
}