/* ============================================================
   Animations & Reveal States
   ============================================================ */

/* Keyframes */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes pulseRing {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.08); opacity: 0; }
}

/* Hero entrance */
.hero-animate {
  opacity: 0;
  animation: fadeUp var(--duration-slow) var(--ease-out) forwards;
}

.hero-animate--1 { animation-delay: 0.1s; }
.hero-animate--2 { animation-delay: 0.25s; }
.hero-animate--3 { animation-delay: 0.4s; }
.hero-animate--4 { animation-delay: 0.55s; }
.hero-animate--5 { animation-delay: 0.7s; }
.hero-animate--6 { animation-delay: 0.85s; }
.hero-animate--7 { animation-delay: 1s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
.delay-1 { transition-delay: 0.08s !important; }
.delay-2 { transition-delay: 0.16s !important; }
.delay-3 { transition-delay: 0.24s !important; }
.delay-4 { transition-delay: 0.32s !important; }
.delay-5 { transition-delay: 0.4s !important; }

/* Role fade animation */
.role-fade {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.role-fade.visible {
  opacity: 1;
}

#typewriter {
  background: none;
}

.hero__role {
  background: none;
}

/* Hide the old typewriter cursor for the fade animation */
.typewriter-cursor {
  display: none;
}

/* Scroll indicator */
.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}

/* Profile ring pulse */
.profile-ring::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  animation: pulseRing 2.5s ease-out infinite;
}

/* Intro overlay */
body.intro-active {
  overflow: hidden;
}

body.intro-active .site-shell {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.intro-ready .site-shell {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(59, 130, 246, 0.08), transparent 62%),
    var(--color-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.65s ease, visibility 0.65s ease;
}

body.intro-active .intro {
  opacity: 1;
  visibility: visible;
}

body.intro-ready .intro {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro__stage {
  position: relative;
  display: grid;
  place-items: center;
  width: min(92vw, 700px);
  min-height: 220px;
  text-align: center;
}

.intro__word {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 2.6vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  filter: blur(6px);
  transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
  will-change: transform, opacity, filter;
}

.intro__word.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.intro__word.is-hidden {
  opacity: 0;
  transform: translateY(-10px) scale(0.96);
  filter: blur(5px);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }

  .hero-animate {
    opacity: 1;
    animation: none;
  }

  body.intro-active .site-shell,
  body.intro-ready .site-shell {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .intro,
  .intro__word,
  .intro__stage {
    animation: none !important;
    transition: none !important;
  }

  .intro {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}