:root {
  --bg: #0b0f14;
  --text: #f7f7f7;
  --accent: #8ad6ff;
  --speed: 40; /* pixels per second default */
}
@font-face {
  font-family: "Delfino";
  src: url(Delfino.ttf) format("truetype");
  font-weight: normal;
  font-style: normal;
}
html,
body {
  height: 100%;
  margin: 0;
  background: radial-gradient(ellipse at center, #071019 0%, var(--bg) 60%);
  font-family: Delfino, ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, "Helvetica Neue", Arial;
}
.stage {
  position: relative;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}
/* background subtle vignette */
.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.02),
    transparent 20%,
    rgba(0, 0, 0, 0.45)
  );
}

/* Credits area */
.credits-wrap {
  position: relative;
  width: 70vw;
  max-width: 1200px;
  height: 70vh;
  display: block;
  overflow: visible;
  background: transparent;
}
.credits-viewport {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  overflow: visible;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.credits {
  width: 100%;
  transform: translateY(var(--start, 100%));
  will-change: transform;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  padding: 6rem 2rem 6rem 2rem;
}

.credit-block {
  width: 100%;
  text-align: center;
}
.credit-line {
  font-size: clamp(14px, 2.2vw, 20px);
  opacity: 0.9;
}
.credit-role {
  font-size: clamp(18px, 3.6vw, 34px);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.credit-name {
  font-size: clamp(22px, 4.6vw, 48px);
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 6px 24px rgba(10, 12, 16, 0.6);
}

/* Images behind text */
.bg-image {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.9s ease, transform 0.9s ease, filter 0.6s ease;
  filter: blur(1px) saturate(1.05);
  max-width: 40vmin;
  max-height: 40vmin;
  mix-blend-mode: screen;
}
.bg-image.show {
  opacity: 0.95;
  transform: translate(-50%, -50%) scale(1);
}
.bg-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

/* positions around center */
.pos-top {
  transform: translate(-50%, calc(-50% - 18vmin));
}
.pos-bottom {
  transform: translate(-50%, calc(-50% + 18vmin));
}
.pos-left {
  transform: translate(calc(-50% - 18vmin), -50%);
}
.pos-right {
  transform: translate(calc(-50% + 18vmin), -50%);
}

/* ensure text is above images */
.credits-wrap .credits-viewport {
  z-index: 3;
}

/* HUD controls */
.hud {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 6;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.5rem;
  border-radius: 10px;
  backdrop-filter: blur(6px);
}
.hud button,
input {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
}
.hud input[type="range"] {
  width: 120px;
}

/* helpful note */
.credits-note {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  z-index: 6;
}

@media (max-width: 700px) {
  .credits-wrap {
    width: 92vw;
    height: 78vh;
  }
  .bg-image {
    max-width: 70vmin;
    max-height: 40vmin;
  }
}