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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  cursor: none;
}

canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

canvas#stars { z-index: 0; }
canvas#geometry { z-index: 1; }
canvas#cursor { z-index: 2; }

#content {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 3rem;
  pointer-events: none;
  font-family: 'Jost', 'Helvetica Neue', sans-serif;
  font-weight: 300;
  color: #fff;
  text-transform: lowercase;
}

.title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  opacity: 0;
  animation: fadeIn 3s ease-out 1.5s forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 0.85; }
}

/* Title dimming when reveal is open */
.title {
  transition: opacity 0.5s ease;
}

.title.dimmed {
  opacity: 0.3 !important;
}

/* Reveal overlay */
#reveal {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: none;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Edge vignette for legibility */
#reveal::before,
#reveal::after {
  content: '';
  position: fixed;
  top: 0;
  bottom: 0;
  width: 25%;
  z-index: -1;
  pointer-events: none;
}

#reveal::before {
  left: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.5), transparent);
}

#reveal::after {
  right: 0;
  background: linear-gradient(to left, rgba(0, 0, 0, 0.5), transparent);
}

.reveal-scroll {
  max-width: 640px;
  width: 100%;
  padding: 6rem 3rem 4rem;
  overflow-y: auto;
  font-family: 'Jost', 'Helvetica Neue', sans-serif;
  font-weight: 300;
  color: #fff;
  font-size: 17px;
  line-height: 1.9;
  -webkit-overflow-scrolling: touch;
  /* Subtle center column background for readability */
  background: linear-gradient(
    to right,
    transparent,
    rgba(0, 0, 0, 0.35) 10%,
    rgba(0, 0, 0, 0.45) 50%,
    rgba(0, 0, 0, 0.35) 90%,
    transparent
  );
}

/* Hide scrollbar */
.reveal-scroll::-webkit-scrollbar {
  display: none;
}
.reveal-scroll {
  scrollbar-width: none;
}

/* Scroll edge fades */
.reveal-scroll {
  mask-image: linear-gradient(
    to bottom,
    transparent,
    black 4rem,
    black calc(100% - 2rem),
    transparent
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent,
    black 4rem,
    black calc(100% - 2rem),
    transparent
  );
}

.reveal-scroll > * {
  opacity: 0;
}

.reveal-scroll > .fade-in {
  animation: revealFadeIn 0.6s ease-out forwards;
}

@keyframes revealFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 0.82; transform: translateY(0); }
}

.reveal-scroll h2 {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.reveal-scroll h2:first-child {
  margin-top: 0;
  font-size: 24px;
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
}

.reveal-scroll h2.fade-in {
  animation: revealHeadingIn 0.6s ease-out forwards;
}

@keyframes revealHeadingIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 0.95; transform: translateY(0); }
}

.reveal-scroll p {
  margin-bottom: 1.2rem;
}

.reveal-scroll .signature {
  margin-top: 3rem;
  opacity: 0;
}

.reveal-scroll .signature a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.reveal-scroll .signature a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

.reveal-scroll .subtitle {
  font-size: 15px;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.reveal-scroll .subtitle.fade-in {
  animation: revealFadeIn 0.8s ease-out forwards;
}

.reveal-scroll strong {
  font-weight: 300;
  opacity: 1;
}

.reveal-scroll em {
  font-style: italic;
}

.reveal-end {
  text-align: center;
  margin-top: 3rem;
  margin-bottom: 2rem;
  opacity: 0;
}

.reveal-end.fade-in {
  animation: revealFadeIn 1s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .title {
    letter-spacing: 0.2em;
  }

  .reveal-scroll {
    padding: 5rem 1.5rem 3rem;
    font-size: 15px;
  }

  .reveal-scroll h2 {
    font-size: 18px;
  }
}

/* Touch devices */
@media (hover: none) and (pointer: coarse) {
  body {
    cursor: default;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .title {
    animation-duration: 0.01s;
  }

  .reveal-scroll > .fade-in {
    animation: none;
    opacity: 0.82;
  }

  .reveal-scroll h2.fade-in {
    animation: none;
    opacity: 0.95;
  }

  .reveal-end.fade-in {
    animation: none;
    opacity: 0.82;
  }
}