* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  background: #000;
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

.hero {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 100dvh;
  background: #000;
}

.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.74) 0%, rgba(0, 0, 0, 0.32) 42%, rgba(0, 0, 0, 0.58) 100%),
    radial-gradient(circle at center, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.68) 82%);
  pointer-events: none;
}

.brand {
  position: fixed;
  top: clamp(14px, 2vw, 28px);
  left: clamp(14px, 2vw, 28px);
  z-index: 2;
  display: block;
  width: clamp(62px, 5.7vw, 105px);
  line-height: 0;
}

.logo {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 7px 18px rgba(0, 0, 0, 0.9));
  user-select: none;
}

.social-links {
  position: fixed;
  top: clamp(18px, 2.2vw, 34px);
  right: clamp(18px, 2.2vw, 34px);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1vw, 14px);
}

.social-button {
  display: grid;
  place-items: center;
  width: clamp(36px, 3vw, 46px);
  height: clamp(36px, 3vw, 46px);
  color: rgba(235, 230, 218, 0.92);
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(235, 230, 218, 0.34);
  border-radius: 999px;
  text-decoration: none;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.42);
  transition: transform 180ms ease, color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.social-button svg {
  width: 54%;
  height: 54%;
  fill: currentColor;
}

.social-button:hover,
.social-button:focus-visible {
  transform: translateY(-2px);
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.72);
  outline: none;
}

@media (max-width: 768px) {
  .brand {
    width: clamp(56px, 20vw, 84px);
    top: 16px;
    left: 16px;
  }

  .social-links {
    top: 16px;
    right: 16px;
    gap: 9px;
  }

  .social-button {
    width: 36px;
    height: 36px;
  }
}
