/* Fullscreen Intro Overlay */
.intro-hero {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  color: #fff;
}

/* Background Image */
.intro-hero .intro-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: 50% 50%;
  transform: scale(1.05);
  filter: saturate(1.1) contrast(1.05);
  transition: transform 0.8s ease;
  will-change: transform;
}

/* Overlay Content */
.intro-hero .intro-overlay {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1.5rem;
  backdrop-filter: blur(2px);
}

.intro-hero .intro-title {
  margin: 0 0 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: clamp(28px, 4vw, 56px);
}

.intro-hero .intro-title .intro-sub {
  display: block;
  margin-top: 0.25rem;
  opacity: 0.85;
  font-size: clamp(13px, 1.6vw, 18px);
}

/* Button */
.intro-hero .intro-btn {
  opacity: 0;
  pointer-events: none;
  margin-top: 1.25rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 0;
  background: #fff;
  color: #000;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.intro-hero:hover .intro-btn,
.intro-hero.show-cta .intro-btn {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.intro-hero .intro-btn:focus-visible {
  outline: 3px solid #8ad;
  outline-offset: 3px;
}

/* Hint */
.intro-hero .intro-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.65;
  animation: hintPulse 2s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* Hover-capable pointers */
@media (pointer: fine) {
  .intro-hero:hover .intro-bg { transform: scale(1.08); }
}

/* Touch devices: show button immediately */
@media (hover: none) and (pointer: coarse) {
  .intro-hero .intro-btn {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
}

/* Hide content before intro, fade in after */
.site-content.is-hidden { opacity: 0; }
.site-content.is-visible { opacity: 1; transition: opacity 0.6s ease; }

/* Reveal-on-scroll animation (optional) */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.reveal.is-revealed {
  opacity: 1;
  transform: none;
}