/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: 'Noto Serif KR', serif;
}

/* ===== Stars Background ===== */
#stars, #stars2, #stars3 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

#stars {
  background: transparent;
  animation: twinkle 3s ease-in-out infinite alternate;
}

#stars2 {
  background: transparent;
  animation: twinkle 5s ease-in-out infinite alternate;
}

#stars3 {
  background: transparent;
  animation: twinkle 7s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.3; }
  to { opacity: 1; }
}

/* ===== Start Screen ===== */
#start-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 1.5s ease, visibility 1.5s ease;
}

#start-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.start-content {
  text-align: center;
  animation: fadeInUp 2s ease;
}

.start-subtitle {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.start-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 12px;
  color: #d4af37;
  text-shadow: 0 0 40px rgba(212, 175, 55, 0.3);
  margin-bottom: 60px;
}

#play-btn {
  background: none;
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: #d4af37;
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  letter-spacing: 6px;
  padding: 16px 48px;
  cursor: pointer;
  transition: all 0.5s ease;
}

#play-btn:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: #d4af37;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
}

/* ===== Credits Container ===== */
#credits-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

#credits {
  position: absolute;
  top: 100%;
  width: 100%;
  text-align: center;
  padding: 0 20px;
}

#credits.rolling {
  animation: creditRoll 120s linear forwards;
}

@keyframes creditRoll {
  from {
    top: 100%;
  }
  to {
    top: var(--end-position, -4000px);
  }
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
  max-width: 700px;
  margin: 0 auto;
}

/* ===== Opening ===== */
.opening {
  padding: 200px 0;
}

.film-label {
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  letter-spacing: 10px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Title Section ===== */
.title-section {
  padding: 150px 0 200px;
}

.main-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.5;
  color: #d4af37;
  text-shadow: 0 0 60px rgba(212, 175, 55, 0.3);
  margin-bottom: 40px;
}

.genre {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  letter-spacing: 6px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Chapters ===== */
.chapter {
  padding: 100px 0;
}

.chapter-title {
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: rgba(212, 175, 55, 0.6);
  margin-bottom: 12px;
}

.chapter-subtitle {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.chapter-year {
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 50px;
}

.chapter-content p {
  font-size: 1.15rem;
  line-height: 2.2;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
}

.chapter-content .highlight {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.chapter-content .highlight.gold {
  color: #d4af37;
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.chapter-content .small-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
}

.chapter-content .quote {
  font-size: 1.2rem;
  font-style: italic;
  color: rgba(212, 175, 55, 0.8);
  margin-top: 20px;
}

.chapter-content .quote.large {
  font-size: 1.6rem;
  color: #d4af37;
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

/* Location Flow */
.location-flow {
  margin: 20px 0;
}

.location-item {
  font-size: 1.15rem !important;
  color: rgba(255, 255, 255, 0.85) !important;
}

.flow-arrow {
  font-size: 0.9rem !important;
  color: rgba(212, 175, 55, 0.4) !important;
  line-height: 1.5 !important;
}

/* Dividers */
.divider {
  width: 40px;
  height: 1px;
  background: rgba(212, 175, 55, 0.3);
  margin: 30px auto;
}

.divider-large {
  width: 60px;
  height: 1px;
  background: rgba(212, 175, 55, 0.5);
  margin: 50px auto;
}

/* ===== Thanks Section ===== */
.thanks {
  padding: 120px 0;
}

.thanks-border {
  width: 100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d4af37, transparent);
  margin: 0 auto 40px;
}

.thanks-border:last-child {
  margin: 40px auto 0;
}

.thanks-title {
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  letter-spacing: 6px;
  color: #d4af37;
  margin-bottom: 50px;
}

.thanks-text {
  font-size: 1.3rem;
  line-height: 2.4;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
}

.thanks-message {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
}

/* ===== Credits Roll ===== */
.credits-roll {
  padding: 100px 0;
}

.credit-item {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.credit-role {
  font-size: 0.9rem;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.4);
  text-align: right;
  min-width: 120px;
}

.credit-name {
  font-size: 1.2rem;
  color: #fff;
  font-weight: 400;
  text-align: left;
  min-width: 200px;
  line-height: 1.8;
}

/* ===== Ending ===== */
.ending {
  padding: 150px 0 300px;
}

.ending-text {
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 12px;
}

.ending-studio {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(212, 175, 55, 0.6);
}

/* ===== Fade In Animation ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .start-title {
    font-size: 2.5rem;
    letter-spacing: 8px;
  }

  .start-subtitle {
    font-size: 0.9rem;
    letter-spacing: 5px;
  }

  .main-title {
    font-size: 2.2rem;
  }

  .chapter-subtitle {
    font-size: 1.6rem;
  }

  .chapter-content p {
    font-size: 1rem;
  }

  .chapter-content .highlight {
    font-size: 1.15rem;
  }

  .credit-item {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .credit-role, .credit-name {
    text-align: center;
    min-width: auto;
  }

  .thanks-message {
    font-size: 1.6rem;
  }

  .section {
    padding: 60px 0;
  }
}