/* ============================================
   Parreira Site — Animations (Premium Polish)
   ============================================ */

@keyframes glow-drift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.65;
  }
  100% {
    transform: translate(-5%, 7%) scale(1.1);
    opacity: 1;
  }
}

@keyframes ring-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes scroll-line {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
  }
  40% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
  }
  60% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 1;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 0;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes breath {
  0%,
  100% {
    opacity: 0.04;
  }
  50% {
    opacity: 0.07;
  }
}

/* Reveal system */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity var(--duration-enter) var(--ease-out),
    transform var(--duration-enter) var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 90ms; }
.reveal--delay-2 { transition-delay: 180ms; }
.reveal--delay-3 { transition-delay: 270ms; }
.reveal--delay-4 { transition-delay: 360ms; }

.reveal--left {
  transform: translateX(-32px);
}

.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(32px);
}

.reveal--right.is-visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.97) translateY(20px);
}

.reveal--scale.is-visible {
  transform: scale(1) translateY(0);
}

.reveal-mask {
  clip-path: inset(8% 0 92% 0);
  opacity: 0.4;
  transition:
    clip-path 1.15s var(--ease-out),
    opacity 1.15s var(--ease-out);
}

.reveal-mask.is-visible {
  clip-path: inset(0 0 0 0);
  opacity: 1;
}

/* Hero entrance */
.hero-enter {
  opacity: 0;
  transform: translateY(28px);
  animation: fade-up var(--duration-enter) var(--ease-out) forwards;
}

.hero-enter--1 { animation-delay: 0.12s; }
.hero-enter--2 { animation-delay: 0.28s; }
.hero-enter--3 { animation-delay: 0.44s; }
.hero-enter--4 { animation-delay: 0.58s; }
.hero-enter--5 { animation-delay: 0.72s; }
.hero-enter--visual { animation-delay: 0.38s; }

.hero__grain {
  animation: breath 10s var(--ease-in-out) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-mask,
  .hero-enter {
    opacity: 1;
    transform: none;
    clip-path: none;
    animation: none;
    transition: none;
  }

  .hero__glow,
  .hero__visual-ring,
  .hero__scroll-line,
  .hero__grain {
    animation: none;
  }
}