*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: #ffffff;
  color: #111111;
}

/* --- Navigation --- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 0 0.75rem;
  background: #ffffff;
}


.nav-tabs {
  display: flex;
  gap: 2.5rem;
}

.nav-tab {
  text-decoration: none;
  color: #999;
  font-family: Georgia, serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: none;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-tab:hover {
  color: #111;
}

.nav-tab.active {
  color: #111;
  border-bottom-color: #111;
}

/* --- Poem Page --- */

.poem-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 6rem 6rem;
}

.poem-container {
  max-width: 38rem;
  width: 100%;
}

.poem-title {
  font-size: 1.3em;
  font-weight: normal;
  font-style: italic;
  margin: 0 0 1.75rem;
  letter-spacing: 0.01em;
}

.poem-body {
  white-space: pre-wrap;
  font-size: 1rem;
  line-height: 1.9;
  margin: 0;
}

.poem-signature {
  margin: 1.75rem 0 0;
  text-align: right;
  font-size: 0.9rem;
  font-style: italic;
  color: #aaa;
}

/* --- Navigation Arrows --- */

.arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #ccc;
  font-size: 2rem;
  padding: 1rem 1.25rem;
  line-height: 1;
  transition: color 0.2s;
  user-select: none;
}

.arrow:hover:not(:disabled) {
  color: #111;
}

.arrow:disabled {
  opacity: 0.15;
  cursor: default;
}

.arrow-prev {
  left: 0.5rem;
}

.arrow-next {
  right: 0.5rem;
}

/* --- Poem Slider (dot nav) --- */

.poem-slider {
  position: fixed;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.slider-dot {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1.5px solid #bbb;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, serif;
  font-size: 0.65rem;
  color: #bbb;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}

.slider-dot:hover {
  border-color: #555;
  color: #555;
}

.slider-dot.active {
  border: 2.5px solid #111;
  color: #111;
}

/* --- Info Page --- */

.info-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem 4rem;
}

.info-container {
  max-width: 34rem;
  width: 100%;
}

.info-container p {
  font-size: 1rem;
  line-height: 1.85;
  color: #333;
  margin: 0 0 1.25rem;
}

.info-container p:last-child {
  margin-bottom: 0;
}

/* --- Mobile --- */

@media (max-width: 640px) {
  .arrow {
    display: none;
  }

  .poem-page {
    padding: 5rem 1.5rem 6rem;
  }

  .poem-title {
    font-size: 1.2em;
  }
}