/* ==========================================================================
   Japanese Elements — Kokoro Design System
   Torii gate separators, shoji patterns, sakura animation, kanji watermarks
   ========================================================================== */

/* ---------- Torii Gate Separator ---------- */

.torii-separator {
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: var(--space-xl) 0 var(--space-2xl);
}

.torii-separator::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--color-gray-dark);
}

.torii-separator__icon {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.torii-separator__icon svg {
  width: 40px;
  height: 40px;
  opacity: 0.3;
}

.torii-separator--alt::before {
  background: rgba(255, 255, 255, 0.15);
}

.torii-separator--alt .torii-separator__icon {
  background: var(--color-dark);
}

.torii-separator--alt .torii-separator__icon svg {
  color: rgba(255, 255, 255, 0.3);
}

/* ---------- Shoji Screen Pattern ---------- */

.shoji-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.02;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-white) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-white) 1px, transparent 1px);
  background-size: 60px 60px;
}

.shoji-pattern--dense {
  background-size: 30px 30px;
}

.shoji-pattern--accent {
  background-image:
    linear-gradient(var(--color-accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-accent) 1px, transparent 1px);
  opacity: 0.03;
}

/* ---------- Sakura Petals Animation ---------- */

.sakura-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-toast);
  overflow: hidden;
}

.sakura-petal {
  position: absolute;
  top: -20px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  opacity: 0;
  border-radius: 50% 0 50% 50%;
  animation: sakura-fall linear forwards;
}

@keyframes sakura-fall {
  0% {
    opacity: 0;
    transform: translateX(0) rotate(0deg) scale(0.8);
  }
  10% {
    opacity: 0.12;
  }
  90% {
    opacity: 0.08;
  }
  100% {
    opacity: 0;
    transform: translateX(150px) rotate(720deg) scale(0.4);
    top: 100vh;
  }
}

/* ---------- Kanji Watermarks ---------- */

.kanji-watermark {
  position: absolute;
  font-family: 'Noto Serif JP', serif;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  z-index: 0;
}

.kanji-watermark--hero {
  font-size: clamp(15rem, 40vw, 30rem);
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
}

.kanji-watermark--section {
  font-size: clamp(8rem, 20vw, 15rem);
  right: 5%;
  bottom: 10%;
}

.kanji-watermark--small {
  font-size: clamp(5rem, 10vw, 8rem);
  opacity: 0.05;
}

/* ---------- Enso Circle ---------- */

.enso {
  position: absolute;
  pointer-events: none;
  opacity: 0.05;
}

.enso--large {
  width: clamp(300px, 40vw, 600px);
  height: clamp(300px, 40vw, 600px);
}

.enso--medium {
  width: clamp(200px, 25vw, 400px);
  height: clamp(200px, 25vw, 400px);
}

.enso--small {
  width: clamp(100px, 15vw, 200px);
  height: clamp(100px, 15vw, 200px);
}

/* ---------- Belt Colors (Progress/Ranks) ---------- */

.belt {
  display: block;
  height: 8px;
  border-radius: var(--radius-full);
  width: 50px;
  margin: 0 auto var(--space-xs);
}

.belt--white   { background: #FFFFFF; }
.belt--yellow  { background: #FFD600; }
.belt--orange  { background: #FF9800; }
.belt--green   { background: #4CAF50; }
.belt--blue    { background: var(--color-primary); }
.belt--brown   { background: #795548; }
.belt--black   { background: #1A1A1A; border: 1px solid #333; }

.belt-progression {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

/* ---------- Japanese Values Display ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.value-item {
  text-align: center;
  padding: var(--space-2xl);
  position: relative;
}

.value-item__kanji {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.value-item__romaji {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.value-item__meaning {
  font-size: 0.9375rem;
  color: var(--color-gray);
}

/* ---------- Japanese Decorative Line ---------- */

.jp-line {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.jp-line::before,
.jp-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-dark);
}

.jp-line__text {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.875rem;
  color: var(--color-primary);
  opacity: 0.5;
  white-space: nowrap;
}

/* ---------- Scroll Reveal Animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  /* Fallback: dacă JS nu rulează (sau IntersectionObserver fail),
     conținutul devine vizibil după 2s prin animație CSS pură */
  animation: revealFallback 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.reveal--visible,
.reveal.reveal--visible {
  opacity: 1;
  transform: translateY(0);
  animation: none; /* dacă JS s-a declanșat, dezactivăm fallback-ul */
}

@keyframes revealFallback {
  to {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
  }
}

/* Dacă utilizatorul preferă reduced motion, arată tot imediat */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  /* Petalele sakura sunt pur decorative — oprește căderea continuă */
  .sakura-petal {
    animation: none !important;
    display: none !important;
  }
}

.reveal--left {
  opacity: 0;
  transform: translateX(-50px);
  animation: revealFallback 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.reveal--left.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(50px);
  animation: revealFallback 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.reveal--right.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.9);
  animation: revealFallback 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.reveal--scale.reveal--visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays for grid items */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }