:root {
  --mgf-blue: #3E4B6F;
  --mgf-blue-deep: #273457;
  --mgf-periwinkle: #CCCCFF;
  --mgf-soft-blue: #97B0F7;
  --mgf-cream: #FCF9F8;
  --mgf-orange: #FA8603;
  --mgf-black: #1A1A1A;
  --mgf-white: #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--mgf-blue);
  color: var(--mgf-cream);
  font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}

#masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: var(--mgf-blue-deep);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 50;
  border-bottom: 1px solid rgba(204, 204, 255, 0.08);
}

.wordmark {
  font-family: 'Manrope', sans-serif;
  color: var(--mgf-cream);
  letter-spacing: -0.04em;
  display: flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
}
.wm-my { font-weight: 400; font-size: 22px; }
.wm-gut { font-weight: 800; font-size: 28px; margin-left: 1px; }
.wm-tm { font-size: 9px; color: var(--mgf-orange); margin-left: 2px; font-weight: 600; vertical-align: super; }
.wm-feeling { font-weight: 400; font-size: 22px; margin-left: 6px; }

.masthead-meta {
  font-family: 'Public Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mgf-periwinkle);
  display: flex;
  align-items: center;
  gap: 12px;
}
.meta-divider { color: var(--mgf-orange); font-weight: 700; }

#stage {
  position: fixed;
  inset: 72px 0 64px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse at top, rgba(151, 176, 247, 0.08), transparent 60%),
    var(--mgf-blue);
}

#flipbook {
  max-width: 100%;
  max-height: 100%;
}

#loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  z-index: 10;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(204, 204, 255, 0.2);
  border-top-color: var(--mgf-orange);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

#loading-text {
  font-family: 'Public Sans', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mgf-periwinkle);
}

#controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(39, 52, 87, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0 20px;
  z-index: 100;
}

#controls button {
  background: rgba(204, 204, 255, 0.12);
  color: var(--mgf-cream);
  border: 0;
  border-radius: 0;
  padding: 10px 18px;
  font-family: 'Manrope', sans-serif;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease-out, color 0.2s ease-out;
  min-width: 44px;
  min-height: 44px;
  letter-spacing: -0.02em;
}

#controls button:hover {
  background: var(--mgf-orange);
  color: var(--mgf-white);
}

#controls button:active {
  background: var(--mgf-orange);
  transform: translateY(1px);
}

#fullscreen {
  margin-left: 8px;
  font-size: 16px;
}

#page-info {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mgf-periwinkle);
  font-variant-numeric: tabular-nums;
  min-width: 100px;
  text-align: center;
  padding: 0 8px;
}

@media (max-width: 600px) {
  #masthead { height: 56px; padding: 0 16px; }
  .wm-my, .wm-feeling { font-size: 18px; }
  .wm-gut { font-size: 22px; }
  .masthead-meta { display: none; }
  #stage {
    padding: 8px;
    inset: 56px 0 56px 0;
    align-items: flex-start;
  }
  #controls { height: 56px; gap: 8px; padding: 0 12px; }
  #controls button { padding: 10px 14px; font-size: 16px; }
  #page-info { font-size: 11px; min-width: 80px; }
  #fullscreen { margin-left: 4px; }
}

.stf__parent {
  margin: 0 auto;
}

.stf__block,
.stf__item,
.mgf-page {
  background: var(--mgf-periwinkle);
}

.mgf-page {
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
}

.mgf-page img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: var(--mgf-periwinkle);
}

.mgf-welcome {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mgf-periwinkle);
  padding: 8% 10%;
  overflow: hidden;
}

.welcome-faded-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.05em;
  white-space: nowrap;
  color: var(--mgf-blue);
  opacity: 0.06;
  pointer-events: none;
  font-size: clamp(60px, 18vw, 220px);
  line-height: 0.85;
  font-weight: 800;
}
.welcome-faded-mark .wm-my,
.welcome-faded-mark .wm-feeling { font-weight: 400; }
.welcome-faded-mark .wm-gut { font-weight: 800; }

.welcome-content {
  position: relative;
  z-index: 1;
  text-align: left;
  font-family: 'Manrope', sans-serif;
  color: var(--mgf-blue-deep);
  max-width: 80%;
}

.welcome-eyebrow {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(9px, 1.1vw, 11px);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mgf-blue);
  margin-bottom: 32px;
  border-left: 3px solid var(--mgf-orange);
  padding-left: 10px;
}

.welcome-greeting {
  font-size: clamp(28px, 5.2vw, 56px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.95;
  color: var(--mgf-blue-deep);
  margin-bottom: 6px;
}

.welcome-series {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(10px, 1.3vw, 13px);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mgf-orange);
  margin-bottom: 28px;
}

.welcome-divider {
  width: 56px;
  height: 2px;
  background: var(--mgf-blue);
  margin-bottom: 28px;
}

.welcome-subtitle {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(11px, 1.4vw, 14px);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--mgf-blue-deep);
  margin-bottom: 6px;
  line-height: 1.4;
}

.welcome-date {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(10px, 1.2vw, 12px);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mgf-blue);
  opacity: 0.75;
}