/* ===================================================================
   ZAKAT AL-FITR — INTERACTIVE LEARNING JOURNEY
   Design System & Complete Styles
   =================================================================== */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --emerald: #0A6B5E;
  --emerald-deep: #064E45;
  --emerald-light: #12A08A;
  --gold: #D4A843;
  --gold-light: #F0D48A;
  --gold-dark: #B08930;
  --cream: #FDF8F0;
  --cream-dark: #F5EBD8;
  --charcoal: #1A1A2E;
  --charcoal-light: #2D2D44;
  --text: #2C3E50;
  --text-light: #5A6C7E;
  --white: #FFFFFF;
  --success: #27AE60;
  --danger: #E74C3C;
  --warning: #F39C12;
  --info: #3498DB;

  --font-heading: 'Amiri', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-soft: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 40px rgba(212,168,67,0.2);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  
  /* Firefox Scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--emerald) var(--cream-dark);
}

/* ===== CUSTOM SCROLLBAR (Webkit) ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--cream-dark);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--emerald-light) 0%, var(--emerald) 100%);
  border-radius: 10px;
  border: 2px solid var(--cream-dark);
  transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 100%);
}

::-webkit-scrollbar-corner {
  background: var(--cream-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.3;
}

img { max-width: 100%; }
button { cursor: pointer; font-family: var(--font-body); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== GLOBAL PROGRESS BAR ===== */
.progress-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0,0,0,0.1);
  z-index: 1000;
  transition: background var(--transition);
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
  transition: width 0.5s ease;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 12px rgba(212,168,67,0.4);
}
.progress-label {
  position: fixed;
  top: 8px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--emerald-deep);
  background: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition);
}
body.scrolled .progress-label {
  opacity: 1;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--charcoal) 0%, var(--emerald-deep) 50%, var(--emerald) 100%);
  overflow: hidden;
  text-align: center;
  padding: 2rem;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg 30deg, rgba(255,255,255,0.3) 30deg 60deg);
  background-size: 80px 80px;
  animation: patternShift 40s linear infinite;
}

@keyframes patternShift {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(5deg) scale(1.05); }
  100% { transform: rotate(0deg) scale(1); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 6s ease-in-out infinite;
}

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.8; }
  80% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-bismillah {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 1s 0.2s forwards;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  color: var(--white);
  font-weight: 700;
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeInUp 1s 0.5s forwards;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--gold-light);
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 1s 0.8s forwards;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  animation: fadeInUp 1s 1s forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--charcoal);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(212,168,67,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(212,168,67,0.5);
}
.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--emerald);
  border: 2px solid var(--emerald);
  border-radius: var(--radius-xl);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: var(--emerald);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-cta {
  opacity: 0;
  animation: fadeInUp 1s 1.3s forwards;
}

.hero-chapters-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  margin-top: 2rem;
  opacity: 0;
  animation: fadeInUp 1s 1.6s forwards;
}
.dot { font-size: 0.5rem; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeInUp 1s 2s forwards;
}
.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(8px); }
}

/* ===== CHAPTERS ===== */
.chapter {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.chapter-alt {
  background: var(--cream-dark);
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}
.chapter-alt .chapter-content {
  max-width: 1000px;
  margin: 0 auto;
}

.chapter-header {
  text-align: center;
  margin-bottom: 3rem;
}

.chapter-number {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-dark);
  background: linear-gradient(135deg, rgba(212,168,67,0.12), rgba(212,168,67,0.05));
  padding: 6px 20px;
  border-radius: 20px;
  margin-bottom: 1rem;
}

.chapter-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.chapter-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
  margin: 0 auto;
  border-radius: 2px;
}

.chapter-intro {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* ===== INFO CARDS ===== */
.info-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition);
}
.info-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.info-card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.info-card h3 {
  font-size: 1.3rem;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}
.info-card p {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.highlight-card {
  border-left: 4px solid var(--gold);
  background: linear-gradient(135deg, rgba(212,168,67,0.06), var(--white));
}

/* Hadith quotes */
.hadith-quote {
  background: linear-gradient(135deg, rgba(10,107,94,0.04), rgba(10,107,94,0.02));
  border-left: 3px solid var(--emerald);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1rem 0;
  font-style: italic;
}
.hadith-quote cite {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: normal;
  font-weight: 500;
}

/* ===== FLIP CARDS ===== */
.flip-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.flip-card {
  perspective: 800px;
  height: 280px;
  cursor: pointer;
  outline: none;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.flip-card-front {
  background: linear-gradient(160deg, var(--emerald-deep), var(--emerald));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.flip-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.flip-card-front h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.flip-hint {
  font-size: 0.75rem;
  opacity: 0.6;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: auto;
}

.flip-card-back {
  background: var(--white);
  color: var(--text);
  transform: rotateY(180deg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--emerald-light);
  justify-content: flex-start;
  padding-top: 2rem;
}

.flip-card-back p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.flip-card-back cite {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: auto;
}

/* ===== DECISION TREE ===== */
.decision-tree {
  max-width: 600px;
  margin: 0 auto 2rem;
}

.dt-question, .dt-result {
  display: none;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  animation: dtFadeIn 0.4s ease;
}

@keyframes dtFadeIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.dt-question.active, .dt-result.active {
  display: block;
}

.dt-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.dt-question h3 {
  font-size: 1.2rem;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.dt-question p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.dt-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.dt-btn {
  padding: 12px 32px;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid;
  transition: all var(--transition);
}

.dt-yes {
  background: var(--emerald);
  border-color: var(--emerald);
  color: var(--white);
}
.dt-yes:hover {
  background: var(--emerald-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10,107,94,0.3);
}

.dt-no {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.dt-no:hover {
  background: var(--danger);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(231,76,60,0.3);
}

.dt-result-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.dt-result h3 {
  font-size: 1.4rem;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.dt-restart {
  margin-top: 1.5rem;
  padding: 10px 24px;
  background: transparent;
  border: 2px solid var(--emerald);
  color: var(--emerald);
  border-radius: var(--radius-xl);
  font-weight: 600;
  transition: all var(--transition);
}
.dt-restart:hover {
  background: var(--emerald);
  color: var(--white);
}

/* ===== RULES ACCORDION ===== */
.rules-accordion {
  margin-top: 2rem;
}

.rules-title {
  font-size: 1.3rem;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.rule-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all var(--transition);
}

.rule-item summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--charcoal);
  cursor: pointer;
  transition: all var(--transition);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rule-item summary::before {
  content: '▸';
  display: inline-block;
  transition: transform var(--transition);
  color: var(--gold-dark);
  font-weight: bold;
}

.rule-item[open] summary::before {
  transform: rotate(90deg);
}

.rule-item summary:hover {
  background: rgba(0,0,0,0.02);
}

.rule-item p {
  padding: 0 1.25rem 1rem;
  color: var(--text);
  line-height: 1.7;
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline-line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--emerald), var(--gold), var(--danger));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-left: 56px;
  margin-bottom: 2rem;
  cursor: pointer;
}

.timeline-dot {
  position: absolute;
  left: 10px;
  top: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--emerald);
  z-index: 2;
  transition: all var(--transition);
}

.timeline-dot.permissible { background: var(--info); box-shadow: 0 0 0 2px var(--info); }
.timeline-dot.obligatory { background: var(--emerald); box-shadow: 0 0 0 2px var(--emerald); }
.timeline-dot.best { background: var(--gold); box-shadow: 0 0 0 2px var(--gold); }
.timeline-dot.disliked { background: var(--warning); box-shadow: 0 0 0 2px var(--warning); }
.timeline-dot.haram { background: var(--danger); box-shadow: 0 0 0 2px var(--danger); }

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
}

.timeline-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition);
}

.timeline-item:hover .timeline-card {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.timeline-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.badge-permissible { background: rgba(52,152,219,0.12); color: var(--info); }
.badge-obligatory { background: rgba(10,107,94,0.12); color: var(--emerald); }
.badge-best { background: rgba(212,168,67,0.15); color: var(--gold-dark); }
.badge-disliked { background: rgba(243,156,18,0.12); color: var(--warning); }
.badge-haram { background: rgba(231,76,60,0.12); color: var(--danger); }

.timeline-card h3 {
  font-size: 1.15rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.timeline-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.3s ease;
  opacity: 0;
}

.timeline-item.open .timeline-detail {
  max-height: 500px;
  opacity: 1;
  margin-top: 0.75rem;
}

.timeline-detail p {
  margin-bottom: 0.5rem;
  color: var(--text);
  font-size: 0.95rem;
}

.timeline-detail blockquote {
  background: rgba(10,107,94,0.04);
  border-left: 3px solid var(--emerald);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0.5rem 0;
  font-style: italic;
  font-size: 0.9rem;
}
.timeline-detail blockquote cite {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: normal;
  margin-top: 0.5rem;
}

/* ===== CALCULATOR ===== */
.calculator-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.04);
  margin-top: 2rem;
}

.calculator-section h3 {
  font-size: 1.5rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.calc-desc {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc-field label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.food-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.food-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 1rem 0.75rem;
  background: var(--cream);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
}
.food-btn span {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 400;
}
.food-btn:hover {
  border-color: var(--emerald-light);
  transform: translateY(-2px);
}
.food-btn.active {
  border-color: var(--emerald);
  background: rgba(10,107,94,0.08);
  color: var(--emerald-deep);
}

.people-counter {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: var(--cream);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid rgba(0,0,0,0.08);
}

.counter-btn {
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--emerald);
  transition: all var(--transition);
}
.counter-btn:hover {
  background: var(--emerald);
  color: var(--white);
}

.counter-value {
  width: 60px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal);
}

.calc-hint {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

.calc-result {
  margin-top: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--emerald-deep), var(--emerald));
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--white);
}

.calc-result-label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.calc-result-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
}

.calc-result-sub {
  display: block;
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* ===== DRAG & DROP GAME ===== */
.dnd-game {
  text-align: center;
}

.dnd-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
  min-height: 60px;
}

.dnd-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--white);
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: grab;
  transition: all var(--transition);
  user-select: none;
  touch-action: none;
}
.dnd-item:hover {
  border-color: var(--emerald);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}
.dnd-item:active, .dnd-item.dragging {
  cursor: grabbing;
  opacity: 0.5;
  transform: scale(0.95);
}

.dnd-item.correct {
  border-color: var(--success);
  background: rgba(39,174,96,0.08);
}
.dnd-item.incorrect {
  border-color: var(--danger);
  background: rgba(231,76,60,0.08);
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.dnd-zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.dnd-zone {
  border: 3px dashed rgba(0,0,0,0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  min-height: 200px;
  transition: all var(--transition);
}

.dnd-zone.drag-over {
  border-color: var(--emerald);
  background: rgba(10,107,94,0.04);
  transform: scale(1.02);
}

.valid-zone { border-color: rgba(39,174,96,0.3); }
.invalid-zone { border-color: rgba(231,76,60,0.3); }

.zone-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  justify-content: center;
}

.zone-icon { font-size: 1.5rem; }
.zone-header h3 {
  font-size: 1.1rem;
  color: var(--charcoal);
}

.zone-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  min-height: 40px;
}

.dnd-score {
  padding: 1rem;
  font-weight: 600;
  color: var(--text-light);
  font-size: 1.05rem;
}

.dnd-score.complete {
  color: var(--emerald);
  font-size: 1.2rem;
}

/* ===== DEBATE SECTION ===== */
.debate-section {
  margin-top: 2.5rem;
}

.debate-section h3 {
  font-size: 1.4rem;
  color: var(--charcoal);
  text-align: center;
  margin-bottom: 1.5rem;
}

.debate-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.debate-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.debate-card h4 {
  font-size: 1.1rem;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.debate-card.against {
  border-top: 4px solid var(--emerald);
}
.debate-card.response {
  border-top: 4px solid var(--gold);
}

.debate-card ul {
  list-style: none;
  padding: 0;
}

.debate-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
}

.debate-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--emerald);
  font-weight: bold;
  font-size: 1.2rem;
}

.debate-card em {
  color: var(--text-light);
}

/* ===== RECIPIENTS GRID ===== */
.recipients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.recipient-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition);
}
.recipient-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.recipient-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.recipient-card h3 {
  font-size: 1.1rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}
.recipient-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== DISTRIBUTION TIPS ===== */
.distribution-tips {
  margin-top: 2rem;
}

.distribution-tips h3 {
  font-size: 1.3rem;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  border: 1px solid rgba(0,0,0,0.05);
}

.tip-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.tip-item p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}

/* ===== QUIZ SECTION ===== */
.quiz-section {
  background: linear-gradient(160deg, var(--charcoal), var(--charcoal-light));
  max-width: 100%;
  color: var(--white);
}

.quiz-section .chapter-header {
  max-width: 1000px;
  margin: 0 auto 3rem;
}

.quiz-section .chapter-title {
  color: var(--white);
}

.quiz-section .chapter-number {
  background: rgba(212,168,67,0.2);
  color: var(--gold);
}

.quiz-section .chapter-content {
  max-width: 700px;
  margin: 0 auto;
}

.quiz-container {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.quiz-progress {
  margin-bottom: 2rem;
}

.quiz-progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.quiz-progress-fill {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, var(--emerald-light), var(--gold));
  transition: width 0.5s ease;
  border-radius: 3px;
}

.quiz-progress-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.quiz-question h3 {
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
}

.quiz-option:hover:not(.disabled) {
  border-color: var(--gold);
  background: rgba(212,168,67,0.1);
  transform: translateX(4px);
}

.quiz-option .option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.quiz-option.correct {
  border-color: var(--success);
  background: rgba(39,174,96,0.15);
}
.quiz-option.correct .option-letter {
  background: var(--success);
  color: var(--white);
}

.quiz-option.incorrect {
  border-color: var(--danger);
  background: rgba(231,76,60,0.15);
}
.quiz-option.incorrect .option-letter {
  background: var(--danger);
  color: var(--white);
}

.quiz-option.disabled {
  cursor: default;
  opacity: 0.6;
}

.quiz-feedback {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
  line-height: 1.6;
}

.quiz-feedback.show {
  display: block;
  animation: dtFadeIn 0.3s ease;
}

.quiz-feedback.correct-fb {
  background: rgba(39,174,96,0.12);
  border: 1px solid rgba(39,174,96,0.3);
  color: #A3E4B8;
}

.quiz-feedback.incorrect-fb {
  background: rgba(231,76,60,0.12);
  border: 1px solid rgba(231,76,60,0.3);
  color: #F5A8A0;
}

.quiz-next {
  margin-top: 1.5rem;
  width: 100%;
  justify-content: center;
}

/* ===== CERTIFICATE ===== */
.certificate {
  position: relative;
  background: linear-gradient(160deg, var(--emerald-deep), var(--emerald));
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.cert-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg 45deg, rgba(255,255,255,0.3) 45deg 90deg);
  background-size: 60px 60px;
}

.cert-content {
  position: relative;
  z-index: 2;
}

.cert-content h2 {
  font-size: 2rem;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
}

.cert-score {
  margin-bottom: 1rem;
}

.cert-score-num {
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  font-family: var(--font-heading);
}

.cert-score-den {
  font-size: 1.5rem;
  color: rgba(255,255,255,0.5);
}

.cert-message {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1rem;
  max-width: 400px;
  display: inline-block;
}

.cert-badge {
  font-size: 3rem;
  margin: 1rem 0 2rem;
}

.cert-content .btn-primary {
  margin-right: 1rem;
  margin-bottom: 0.75rem;
}

.cert-content .btn-secondary {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.3);
  margin-bottom: 0.75rem;
}
.cert-content .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 4rem 2rem;
}

.footer-prayer {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.footer-translation {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.5);
}

.footer-credit {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .chapter {
    padding: 3rem 1.25rem;
  }

  .flip-cards-grid {
    grid-template-columns: 1fr;
  }

  .flip-card {
    height: 260px;
  }

  .dnd-zones {
    grid-template-columns: 1fr;
  }

  .debate-cards {
    grid-template-columns: 1fr;
  }

  .calculator-section {
    padding: 1.5rem;
  }

  .food-selector {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-line {
    left: 14px;
  }

  .timeline-item {
    padding-left: 44px;
  }

  .timeline-dot {
    left: 4px;
    width: 20px;
    height: 20px;
  }

  .quiz-container {
    padding: 1.5rem;
  }

  .certificate {
    padding: 2rem 1.5rem;
  }

  .recipients-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .food-selector {
    grid-template-columns: 1fr 1fr;
  }

  .dnd-item {
    font-size: 0.85rem;
    padding: 8px 14px;
  }

  .tip-grid {
    grid-template-columns: 1fr;
  }
}