/* ==========================================================================
   FUSION DESIGN SYSTEM:
   MEMPHIS + SWISS TYPOGRAPHIC + EDITORIAL + KINETIC TYPOGRAPHY
   Tribute to Shivani ✨
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Alex+Brush&family=Anton&family=Bricolage+Grotesque:wght@400;700;800&family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,900;1,400;1,600&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  /* Color Palette: Deep Velvet Luxury with Memphis & Swiss Accents */
  --bg-primary: #0a0206;
  --bg-card: rgba(22, 5, 16, 0.94);
  --bg-card-border: rgba(212, 175, 55, 0.45);
  --bg-input: rgba(14, 2, 9, 0.88);
  
  --gold-100: #fff6de;
  --gold-200: #fae29c;
  --gold-300: #f0cb65;
  --gold-400: #d4af37;
  --gold-500: #b8860b;
  --gold-gradient: linear-gradient(135deg, #fae29c 0%, #d4af37 50%, #aa771c 100%);
  --gold-glow: 0 0 30px rgba(212, 175, 55, 0.4);
  
  --rose-100: #ffe4e8;
  --rose-200: #f5b7c4;
  --rose-300: #ff4fa3;
  --plum-deep: #1f0412;
  
  --ivory-100: #fffefb;
  --ivory-200: #f8f1e2;
  --ivory-300: #d8cdb8;
  
  /* Memphis & Swiss Hard Shadows */
  --shadow-memphis: 5px 5px 0px rgba(212, 175, 55, 0.55), 10px 10px 0px rgba(0, 0, 0, 0.7);
  --shadow-luxury: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(212, 175, 55, 0.2);
  
  /* Typography Tokens */
  --font-kinetic: 'Anton', 'Space Grotesk', sans-serif;
  --font-memphis-headline: 'Bricolage Grotesque', sans-serif;
  --font-editorial-serif: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-swiss-body: 'Inter', -apple-system, sans-serif;
  --font-narrative: 'EB Garamond', Garamond, serif;
  --font-script: 'Alex Brush', cursive;
  
  --radius-card: 20px;
  --radius-ui: 8px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(120, 16, 60, 0.4) 0%, transparent 60%),
    radial-gradient(circle at 10% 90%, rgba(80, 10, 42, 0.35) 0%, transparent 50%),
    radial-gradient(circle at 90% 85%, rgba(60, 10, 32, 0.35) 0%, transparent 50%),
    linear-gradient(180deg, #0a0206 0%, #15030e 50%, #060104 100%);
  color: var(--ivory-200);
  font-family: var(--font-swiss-body);
  overflow-x: hidden;
}

/* Background Canvas */
#particlesCanvas, #confettiCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}
#particlesCanvas { z-index: 1; }
#confettiCanvas { z-index: 300; }

/* Floating Audio Toggle */
.floating-audio-btn {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 150;
  background: var(--plum-deep);
  border: 2px solid var(--gold-400);
  color: var(--gold-200);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--gold-400), 0 0 15px rgba(212, 175, 55, 0.3);
  transition: var(--transition-smooth);
}

.floating-audio-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--gold-400), 0 0 25px rgba(212, 175, 55, 0.6);
}

/* ==========================================================================
   KINETIC TYPOGRAPHY MARQUEE BANNER
   ========================================================================== */
.kinetic-marquee-container {
  width: 100%;
  overflow: hidden;
  background: linear-gradient(90deg, #1b0410, #360820, #1b0410);
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding: 8px 0;
  margin-bottom: 16px;
  position: relative;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.kinetic-marquee-track {
  display: flex;
  white-space: nowrap;
  gap: 24px;
  animation: kineticScroll 24s linear infinite;
}

@keyframes kineticScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.kinetic-marquee-item {
  font-family: var(--font-kinetic);
  font-size: 1.15rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-200);
  display: flex;
  align-items: center;
  gap: 12px;
}

.kinetic-star {
  color: var(--rose-300);
  font-size: 0.9rem;
  animation: spinSlow 6s linear infinite;
}

@keyframes spinSlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   APP CONTAINER & SWISS / MEMPHIS TOP DOCK
   ========================================================================== */
.app-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 14px 36px;
}

.book-wrapper {
  width: 100%;
  max-width: 880px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Top Swiss Nav Bar */
.top-nav-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding: 0 4px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.top-nav-bar.visible {
  opacity: 1;
}

.swiss-archive-tag {
  font-family: var(--font-swiss-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold-300);
  background: rgba(30, 6, 20, 0.85);
  border: 1px solid var(--gold-400);
  padding: 4px 10px;
  border-radius: var(--radius-ui);
}

.progress-track {
  flex: 1;
  height: 4px;
  background: rgba(212, 175, 55, 0.2);
  border-radius: 2px;
  margin: 0 14px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 5.26%;
  background: var(--gold-gradient);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
  transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.page-badge {
  font-family: var(--font-kinetic);
  font-size: 1.05rem;
  letter-spacing: 1px;
  color: var(--gold-100);
  background: var(--plum-deep);
  border: 2px solid var(--gold-400);
  padding: 4px 14px;
  border-radius: var(--radius-ui);
  box-shadow: 2px 2px 0px var(--gold-400);
}

/* ==========================================================================
   MAIN CARD: MEMPHIS GEOMETRY & EDITORIAL STRUCTURE
   ========================================================================== */
.luxury-card {
  position: relative;
  width: 100%;
  min-height: 640px;
  background: var(--bg-card);
  border: 2px solid var(--gold-400);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-memphis), var(--shadow-luxury);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px 36px 26px;
  transition: var(--transition-smooth);
}

/* Memphis Floating Corner Geometric Badges */
.memphis-shape {
  position: absolute;
  pointer-events: none;
  opacity: 0.8;
}

.memphis-stairs-tl {
  top: 12px;
  left: 12px;
  width: 24px;
  height: 24px;
  border-top: 3px solid var(--gold-300);
  border-left: 3px solid var(--gold-300);
}
.memphis-stairs-tl::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--rose-300);
  border-left: 2px solid var(--rose-300);
}

.memphis-stairs-tr {
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  border-top: 3px solid var(--gold-300);
  border-right: 3px solid var(--gold-300);
}
.memphis-stairs-tr::before {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--rose-300);
  border-right: 2px solid var(--rose-300);
}

.memphis-stairs-bl {
  bottom: 12px;
  left: 12px;
  width: 24px;
  height: 24px;
  border-bottom: 3px solid var(--gold-300);
  border-left: 3px solid var(--gold-300);
}

.memphis-stairs-br {
  bottom: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  border-bottom: 3px solid var(--gold-300);
  border-right: 3px solid var(--gold-300);
}

/* ==========================================================================
   PAGE CONTAINER & TYPOGRAPHIC STYLES
   ========================================================================== */
.page-container {
  position: relative;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page {
  display: none;
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}

.page.active {
  display: flex;
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Editorial & Memphis Hype Headers */
.hype-tagline {
  font-family: var(--font-kinetic);
  font-size: 1.1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rose-200);
  background: rgba(255, 79, 163, 0.12);
  border: 1px solid rgba(255, 79, 163, 0.35);
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 10px;
  display: inline-block;
}

.script-subtitle {
  font-family: var(--font-script);
  font-size: 2.6rem;
  color: var(--gold-200);
  margin-bottom: 4px;
  line-height: 1.15;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.main-title {
  font-family: var(--font-editorial-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold-100);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.18;
  text-shadow: 0 3px 15px rgba(0, 0, 0, 0.8);
}

.chapter-title {
  font-family: var(--font-editorial-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gold-100);
  margin-bottom: 18px;
  line-height: 1.22;
}

/* Swiss Typographic Body Text */
.body-text {
  font-family: var(--font-narrative);
  font-size: 1.32rem;
  line-height: 1.85;
  color: var(--ivory-200);
  margin-bottom: 18px;
  max-width: 680px;
}

.body-text.italic { font-style: italic; }
.body-text.left-align { text-align: left; line-height: 1.95; }

.gold-divider {
  width: 90px;
  height: 2px;
  background: var(--gold-gradient);
  margin: 16px auto 22px;
  position: relative;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.7);
}

.gold-divider::after {
  content: '✦';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold-300);
  font-size: 0.95rem;
  background: var(--bg-card);
  padding: 0 8px;
}

/* ==========================================================================
   PAGE 1: LOCK SCREEN (SWISS & MEMPHIS FUSION)
   ========================================================================== */
.lock-emblem {
  font-size: 3.8rem;
  display: inline-block;
  animation: floatLock 3s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.6));
  margin-bottom: 6px;
}

@keyframes floatLock {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-8px) rotate(-4deg); }
}

.lock-prompt {
  font-family: var(--font-swiss-body);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--gold-200);
  margin-bottom: 20px;
}

.date-selector-grid {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 380px;
  margin: 0 auto 22px;
}

.date-select-box {
  flex: 1;
  position: relative;
}

.date-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-input);
  border: 2px solid var(--gold-400);
  color: var(--gold-100);
  font-family: var(--font-kinetic);
  font-size: 1.15rem;
  letter-spacing: 1px;
  padding: 12px 28px 12px 14px;
  border-radius: var(--radius-ui);
  cursor: pointer;
  text-align: center;
  box-shadow: 2px 2px 0px var(--gold-400);
  transition: var(--transition-smooth);
}

.date-select:focus {
  outline: none;
  border-color: #fff;
  box-shadow: 3px 3px 0px #fff, 0 0 20px rgba(212, 175, 55, 0.5);
}

.date-select option {
  background: #18030f;
  color: var(--ivory-100);
  font-family: var(--font-swiss-body);
}

.select-arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold-300);
  pointer-events: none;
  font-size: 0.8rem;
}

.btn-unlock {
  background: var(--gold-gradient);
  border: 2px solid #fff;
  color: #1a020c;
  font-family: var(--font-kinetic);
  font-size: 1.45rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 54px;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 4px 4px 0px rgba(255, 255, 255, 0.9), 0 0 25px rgba(212, 175, 55, 0.5);
  transition: var(--transition-smooth);
  margin-bottom: 16px;
}

.btn-unlock:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #fff, 0 0 35px rgba(212, 175, 55, 0.8);
}

.btn-unlock:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px #fff;
}

.hint-text {
  font-family: var(--font-narrative);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--rose-200);
}

.error-message {
  color: #ff5e7e;
  font-family: var(--font-swiss-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 8px;
  min-height: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.error-message.show { opacity: 1; }

.shake {
  animation: shakeCard 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
@keyframes shakeCard {
  10%, 90% { transform: translate3d(-3px, 0, 0); }
  20%, 80% { transform: translate3d(5px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-7px, 0, 0); }
  40%, 60% { transform: translate3d(7px, 0, 0); }
}

/* ==========================================================================
   PHOTO SHOWCASE: UNCORPED + MEMPHIS / EDITORIAL STYLING
   ========================================================================== */
.photo-showcase-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 10px 0 16px;
}

.main-photo-frame {
  position: relative;
  width: 100%;
  max-width: 720px;
  height: 48vh;
  min-height: 320px;
  max-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(42, 8, 28, 0.8) 0%, rgba(14, 2, 9, 0.96) 100%);
  border: 2px solid var(--gold-400);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow-memphis);
  cursor: zoom-in;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.main-photo-frame:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--gold-400), 0 0 30px rgba(212, 175, 55, 0.4);
}

.featured-photo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain; /* 100% Uncropped Visibility! */
  border-radius: 10px;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.main-photo-frame:hover .featured-photo-img {
  transform: scale(1.02);
}

.zoom-hint-badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: var(--plum-deep);
  border: 1px solid var(--gold-400);
  color: var(--gold-200);
  font-family: var(--font-swiss-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  box-shadow: 2px 2px 0px var(--gold-400);
}

.active-photo-caption {
  font-family: var(--font-script);
  font-size: 2.2rem;
  color: var(--gold-200);
  margin-top: 14px;
  min-height: 38px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

/* Photo Selector Tabs (Memphis Tactile Buttons) */
.photo-tabs-bar {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.photo-tab-btn {
  background: var(--plum-deep);
  border: 1.5px solid var(--gold-400);
  color: var(--ivory-300);
  font-family: var(--font-swiss-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--gold-400);
  transition: var(--transition-smooth);
}

.photo-tab-btn:hover {
  transform: translate(-1px, -1px);
  color: #fff;
  border-color: #fff;
}

.photo-tab-btn.active {
  background: var(--gold-gradient);
  color: #15020c;
  font-weight: 700;
  border-color: #fff;
  box-shadow: 3px 3px 0px #fff;
}

/* ==========================================================================
   FULLSCREEN LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 1, 4, 0.97);
  z-index: 400;
  display: none;
  opacity: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
  backdrop-filter: blur(14px);
  transition: opacity 0.3s ease;
}

.lightbox-modal.show {
  display: flex;
  opacity: 1;
}

.lightbox-img {
  max-width: 92vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 12px;
  border: 3px solid var(--gold-400);
  box-shadow: 0 0 60px rgba(0,0,0,0.9), 0 0 35px rgba(212, 175, 55, 0.4);
}

.lightbox-caption {
  font-family: var(--font-script);
  font-size: 2.4rem;
  color: var(--gold-200);
  margin-top: 16px;
  text-align: center;
}

.lightbox-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--plum-deep);
  border: 2px solid var(--gold-400);
  color: var(--gold-200);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0px var(--gold-400);
  transition: var(--transition-smooth);
}

.lightbox-close-btn:hover {
  background: var(--gold-gradient);
  color: #17040f;
  transform: scale(1.1);
}

/* ==========================================================================
   PAGE 14: CHOCOLATE COUPON (MEMPHIS VIP PASS)
   ========================================================================== */
.chocolate-coupon-card {
  background: linear-gradient(135deg, rgba(68, 22, 14, 0.95), rgba(35, 7, 22, 0.95));
  border: 3px dashed var(--gold-400);
  border-radius: 18px;
  padding: 22px;
  margin: 18px 0;
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-memphis);
}

.coupon-header {
  font-family: var(--font-kinetic);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--gold-300);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.coupon-title {
  font-family: var(--font-editorial-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.coupon-perks {
  font-family: var(--font-narrative);
  font-size: 1.2rem;
  color: var(--rose-100);
  font-style: italic;
}

.coupon-btn {
  margin-top: 14px;
  background: var(--gold-gradient);
  border: 2px solid #fff;
  color: #200410;
  font-family: var(--font-kinetic);
  font-size: 1.15rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 28px;
  border-radius: 25px;
  cursor: pointer;
  box-shadow: 3px 3px 0px #fff;
  transition: var(--transition-smooth);
}

.coupon-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px #fff, 0 0 20px rgba(212, 175, 55, 0.6);
}

/* ==========================================================================
   PAGE 19: GRAND FINALE
   ========================================================================== */
.finale-avatar-container {
  margin: 0 auto 16px;
  width: 130px;
  height: 130px;
}

.finale-avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold-300);
  box-shadow: 0 0 35px rgba(212, 175, 55, 0.65);
  animation: pulseGlow 3s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.4); }
  100% { box-shadow: 0 0 45px rgba(212, 175, 55, 0.85); }
}

.scrollable-content {
  max-height: 46vh;
  overflow-y: auto;
  padding-right: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-400) transparent;
}

.scrollable-content::-webkit-scrollbar { width: 5px; }
.scrollable-content::-webkit-scrollbar-thumb {
  background: var(--gold-400);
  border-radius: 4px;
}

.closing-signoff {
  font-family: var(--font-script);
  font-size: 2.5rem;
  color: var(--gold-200);
  margin-top: 18px;
  text-align: right;
}

/* ==========================================================================
   BOTTOM NAVIGATION BAR (SWISS TYPOGRAPHY & MEMPHIS BUTTONS)
   ========================================================================== */
.bottom-controls {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 2px solid rgba(212, 175, 55, 0.2);
}

.nav-btn {
  background: var(--plum-deep);
  border: 2px solid var(--gold-400);
  color: var(--gold-200);
  font-family: var(--font-kinetic);
  font-size: 1.15rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 25px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 3px 3px 0px var(--gold-400);
  transition: var(--transition-smooth);
}

.nav-btn:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  background: var(--gold-gradient);
  color: #14020c;
  border-color: #fff;
  box-shadow: 5px 5px 0px #fff;
}

.nav-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  box-shadow: none;
}

.page-counter-footer {
  font-family: var(--font-kinetic);
  font-size: 1.35rem;
  letter-spacing: 2px;
  color: var(--gold-300);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 768px) {
  .app-container { padding: 12px 8px; }
  .luxury-card {
    min-height: 85vh;
    padding: 30px 18px 20px;
  }
  .main-photo-frame {
    height: 42vh;
    min-height: 260px;
  }
  .main-title { font-size: 2.2rem; }
  .chapter-title { font-size: 1.85rem; }
  .script-subtitle { font-size: 2.1rem; }
  .body-text { font-size: 1.16rem; line-height: 1.75; }
  .active-photo-caption { font-size: 1.85rem; }
}