/* ==========================================================================
   YD Baba eLibrary - Core CSS (React Match & Refined Section Styling)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  --primary-navy: #0b1329;
  --navy-dark: #070c1a;
  --navy-card: #131f3d;
  --navy-hover: #1a2a52;
  --accent-orange: #ff5e14;
  --accent-orange-hover: #e04b04;
  --accent-orange-glow: rgba(255, 94, 20, 0.4);
  --accent-blue: #0284c7;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-light: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(255, 94, 20, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --shadow-orange: 0 10px 30px rgba(255, 94, 20, 0.35);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--navy-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  outline: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.orange-text {
  color: var(--accent-orange) !important;
}

/* ==========================================================================
   HEADER / NAVBAR (Clean Logo Highlight)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background: rgba(7, 12, 26, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

.header.scrolled {
  background: rgba(7, 12, 26, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255, 94, 20, 0.3));
  transition: transform 0.3s ease;
}

.brand-logo:hover {
  transform: scale(1.04);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-primary {
  background: var(--accent-orange);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-orange);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--accent-orange-hover);
  box-shadow: 0 14px 35px rgba(255, 94, 20, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   HERO SECTION (Dark Library Wallpaper + Bluish React Glow)
   ========================================================================== */
.hero {
  padding-top: 150px;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(7, 12, 26, 0.93) 0%, rgba(11, 19, 41, 0.82) 60%, rgba(2, 132, 199, 0.2) 100%),
              url('assets/images/hero-library-bg.jpg') center center / cover no-repeat;
  box-shadow: inset 0 -40px 60px var(--navy-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-title-react {
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  color: #ffffff;
  margin-bottom: 24px;
  font-family: var(--font-heading);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Stacked 3D Book Showcase */
.hero-book-stack {
  position: relative;
  height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stack-book-img {
  position: absolute;
  width: 210px;
  height: 300px;
  object-fit: contain;
  border-radius: 10px;
  background: #ffffff;
  padding: 4px;
  box-shadow: -15px 20px 35px rgba(0, 0, 0, 0.6);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.stack-book-img-1 {
  transform: translate(-105px, 30px) rotate(-14deg);
  z-index: 1;
}

.stack-book-img-2 {
  transform: translate(0px, 0px) rotate(-4deg);
  z-index: 2;
  box-shadow: -10px 25px 45px rgba(0, 0, 0, 0.75);
}

.stack-book-img-3 {
  transform: translate(95px, 40px) rotate(8deg);
  z-index: 1;
}

.hero-book-stack:hover .stack-book-img-1 { transform: translate(-125px, 20px) rotate(-18deg); }
.hero-book-stack:hover .stack-book-img-2 { transform: translate(0px, -15px) rotate(0deg) scale(1.05); z-index: 10; }
.hero-book-stack:hover .stack-book-img-3 { transform: translate(115px, 30px) rotate(12deg); }

.stack-spine {
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 100%;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 8px 0 0 8px;
}

.stack-tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.stack-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
}

.stack-sub {
  font-size: 0.75rem;
  opacity: 0.85;
}

/* ==========================================================================
   E-BOOKS CATALOG SECTION (Light Slate Clean Theme)
   ========================================================================== */
.books-section-light {
  padding: 90px 0;
  background: #f8fafc;
  color: #0f172a;
}

.books-section-light .section-tag {
  color: var(--accent-orange);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.books-section-light .section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: #0f172a;
  margin-bottom: 16px;
}

.books-section-light .section-desc {
  font-size: 1.05rem;
  color: #475569;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

.books-section-light .book-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.books-section-light .book-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 94, 20, 0.4);
  box-shadow: 0 20px 40px rgba(255, 94, 20, 0.14), 0 8px 16px rgba(0,0,0,0.05);
}

.book-cover-wrapper {
  perspective: 1000px;
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 240px;
  width: 100%;
}

.book-cover {
  width: 165px;
  height: 235px;
  border-radius: 8px 12px 12px 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: 10px 12px 22px rgba(0, 0, 0, 0.3), inset -4px 0 8px rgba(0,0,0,0.2);
  transform: rotateY(-6deg) rotateX(2deg);
  transition: transform 0.4s ease;
}

.book-cover-img {
  max-width: 175px;
  height: 240px;
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
  padding: 3px;
  box-shadow: -8px 10px 22px rgba(0, 0, 0, 0.15), 0 4px 8px rgba(0, 0, 0, 0.08);
  transform: rotateY(-5deg) rotateX(2deg);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease;
}

.book-card:hover .book-cover, .book-card:hover .book-cover-img {
  transform: rotateY(0deg) rotateX(0deg) translateY(-6px) scale(1.03);
  box-shadow: -10px 16px 28px rgba(0, 0, 0, 0.22), 0 8px 16px rgba(0, 0, 0, 0.12);
}

.cover-coral { background: linear-gradient(145deg, #ff5e14 0%, #b82b00 100%); }
.cover-blue { background: linear-gradient(145deg, #0284c7 0%, #034b75 100%); }
.cover-emerald { background: linear-gradient(145deg, #059669 0%, #024e37 100%); }
.cover-purple { background: linear-gradient(145deg, #7c3aed 0%, #431497 100%); }
.cover-dark { background: linear-gradient(145deg, #334155 0%, #0f172a 100%); }

.cover-badge {
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}

.cover-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
}

.book-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.books-section-light .book-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 8px;
  line-height: 1.35;
}

.books-section-light .book-card-sub {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 24px;
  line-height: 1.5;
  flex: 1;
}

.books-section-light .book-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid #f1f5f9;
  margin-top: auto;
}

.price-main {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-orange);
  font-family: var(--font-heading);
}

.price-old {
  font-size: 0.95rem;
  color: #94a3b8;
  text-decoration: line-through;
  margin-left: 8px;
}

.btn-buy-book {
  background: var(--accent-orange);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
}

.btn-buy-book:hover {
  background: var(--accent-orange-hover);
  box-shadow: 0 4px 15px rgba(255, 94, 20, 0.4);
}

/* ==========================================================================
   ECOSYSTEM SECTION (Sir's Face Clear & Highlighted on Right Side)
   ========================================================================== */
.ecosystem-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
}

.ecosystem-banner-full {
  background: linear-gradient(90deg, 
              #070c1a 0%, 
              #070c1a 40%, 
              rgba(7, 12, 26, 0.85) 58%, 
              rgba(7, 12, 26, 0.3) 78%, 
              transparent 100%),
              url('assets/images/yd-baba-speaker.jpg') right center / cover no-repeat;
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  border: none !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.ecosystem-banner-content {
  max-width: 580px;
  z-index: 2;
}

.eco-tag {
  color: var(--accent-orange);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.eco-heading-banner {
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  font-weight: 900;
  color: #ffffff !important;
  line-height: 1.12;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.eco-desc-banner {
  font-size: 1.1rem;
  color: #f1f5f9 !important;
  line-height: 1.7;
  margin-bottom: 36px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.eco-pills-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.eco-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: rgba(11, 19, 41, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 40px;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.9rem;
}

.eco-pill svg {
  color: var(--accent-orange);
}

/* CHECKOUT MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(14px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--navy-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.modal-header {
  margin-bottom: 24px;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.checkout-summary {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.summary-row.total {
  border-top: 1px dashed var(--border-light);
  padding-top: 12px;
  margin-top: 12px;
  margin-bottom: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.summary-row.total .total-price {
  color: var(--accent-orange);
  font-family: var(--font-heading);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  background: rgba(7, 12, 26, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  border-color: var(--accent-orange);
}

.btn-pay-now {
  background: var(--accent-orange);
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  padding: 14px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-orange);
  margin-top: 8px;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-pay-now:hover {
  transform: translateY(-2px);
  background: var(--accent-orange-hover);
}

/* FOOTER */
.footer {
  background: #02050c;
  border-top: 1px solid var(--border-light);
  padding: 60px 0 30px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 14px;
  max-width: 320px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: var(--accent-orange);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group, .eco-pills-row {
    justify-content: center;
  }
  .ecosystem-banner-full {
    padding: 48px 24px;
    background: linear-gradient(180deg, rgba(7, 12, 26, 0.96) 0%, rgba(7, 12, 26, 0.85) 60%, rgba(7, 12, 26, 0.4) 100%),
                url('assets/images/yd-baba-speaker.jpg') center top / cover no-repeat;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   BUNDLE PACKAGE SECTION - 3D STACK SHOWCASE & SPACIOUS 2-COL GRID
   ========================================================================== */
.bundle-section {
  padding: 90px 0;
  background: rgba(19, 31, 61, 0.3);
}

.bundle-card-container {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--navy-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}

.bundle-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 56px;
  align-items: center;
}

/* 3D Stacked Books Visual Showcase */
.bundle-visual-col {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  perspective: 1200px;
  min-height: 360px;
}

.bundle-3d-stack {
  position: relative;
  width: 240px;
  height: 320px;
}

.bstack-img {
  position: absolute;
  width: 195px;
  height: 280px;
  object-fit: contain;
  border-radius: 10px;
  background: #ffffff;
  padding: 4px;
  box-shadow: -12px 18px 35px rgba(0, 0, 0, 0.6);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

/* 3D Stack Layer Offsets */
.bstack-img-1 {
  transform: rotateY(-18deg) rotateX(8deg) translateZ(-60px) translateX(-45px);
  z-index: 1;
}

.bstack-img-2 {
  transform: rotateY(-12deg) rotateX(5deg) translateZ(-20px) translateX(-15px);
  z-index: 2;
}

.bstack-img-3 {
  transform: rotateY(-6deg) rotateX(2deg) translateZ(20px) translateX(20px);
  z-index: 3;
}

.bundle-visual-col:hover .bstack-img-1 {
  transform: rotateY(-22deg) rotateX(10deg) translateZ(-70px) translateX(-60px);
}
.bundle-visual-col:hover .bstack-img-2 {
  transform: rotateY(-14deg) rotateX(6deg) translateZ(-20px) translateX(-25px);
}
.bundle-visual-col:hover .bstack-img-3 {
  transform: rotateY(-2deg) rotateX(0deg) translateZ(35px) translateX(30px);
}

.bundle-badge-float {
  position: absolute;
  bottom: -15px;
  right: -25px;
  background: #0f172a;
  border: 1.5px solid var(--accent-orange);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 8px 18px;
  border-radius: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  z-index: 5;
}

/* Right Column Offer Content */
.bundle-content-col {
  display: flex;
  flex-direction: column;
}

.bundle-offer-badge {
  display: inline-block;
  align-self: flex-start;
  background: rgba(255, 94, 20, 0.15);
  border: 1px solid var(--accent-orange);
  color: var(--accent-orange);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.bundle-main-title {
  font-size: 2.1rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 10px;
}

.bundle-main-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.bundle-features-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bundle-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
  font-weight: 600;
}

.bundle-pricing-row {
  margin-bottom: 24px;
}

.bundle-price-group {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.bundle-price-curr {
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
  font-family: var(--font-heading);
  line-height: 1;
}

.bundle-price-original {
  font-size: 1.25rem;
  color: var(--text-dim);
  text-decoration: line-through;
}

.bundle-save-tag {
  background: var(--accent-emerald);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 12px;
}

.bundle-cta-btn {
  width: 100%;
  justify-content: center;
  padding: 18px;
  font-size: 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(255, 94, 20, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 992px) {
  .bundle-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .bundle-card-container {
    padding: 36px 24px;
  }
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON (CRYSTAL CLEAR & ANIMATED)
   ========================================================================== */
.floating-wa-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 64px;
  height: 64px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.55);
  z-index: 999999;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
}

.floating-wa-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #25D366;
  opacity: 0.6;
  z-index: -1;
  animation: wa-pulse 2s infinite;
}

@keyframes wa-pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.floating-wa-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.75);
}