@media (max-width: 768px) {

  /* ১. ব্লব বা গোল্লাগুলো রিমুভ করা */
  .blob,
  .blob-1,
  .blob-2 {
    display: none !important;
    height: 0 !important;
    width: 0 !important;
  }

  /* ২. বডির নিচের অতিরিক্ত গ্যাপ ফিক্স */
  body {
    padding-bottom: 60px !important;
    /* এটি এখন কাজ করবে কারণ এটি সবার শেষে আছে */
  }

  /* ৩. রিভিউ সেকশনের গ্যাপ কমানো */
  .review-section {
    margin-bottom: 20px !important;
    padding-bottom: 0 !important;
  }

  /* ৪. ব্যানারের গ্যাপ ঠিক করা */
  .ai-banner-container {
    margin-top: 0 !important;
    margin-bottom: 20px !important;
  }

  /* ৫. ফুটার অ্যাডজাস্টমেন্ট */
  .site-footer {
    margin-top: 0 !important;
    padding-top: 20px !important;
  }
}

/* মোবাইল ভিউ ফিক্স */
@media (max-width: 768px) {

  /* ১. বডির নিচের বিশাল গ্যাপ কমানো */
  body {
    padding-bottom: 60px !important;
    /* ১৪০ পিক্সেল থেকে কমিয়ে ৬০ করা হলো (শুধুমাত্র স্টিকিবারের জন্য) */
  }

  /* ২. ব্যানারের ওপরের ও নিচের গ্যাপ সরানো */
  .ai-banner-container {
    margin-top: 10px !important;
    margin-bottom: 20px !important;
    width: 95% !important;
    /* সাইডে লেগে না থাকার জন্য */
  }

  /* ৩. আগের সেকশন (রিভিউ) এর নিচের গ্যাপ কমানো */
  .review-section {
    margin-bottom: 10px !important;
    padding-bottom: 0 !important;
  }

  /* ৪. মডাল বন্ধ থাকলে সেটি যেন কোনো জায়গা না নেয় */
  .product-modal:not(.open) {
    display: none !important;
  }

  /* ৫. অপ্রয়োজনীয় ব্লোব (Blob) বা ব্যাকগ্রাউন্ড এলিমেন্ট হাইড করা (যদি সমস্যা করে) */
  .blob {
    display: none !important;
  }
}


@media (max-width: 768px) {

  /* ১. মডাল কন্টেনার রিসেট - এটি কন্টেন্ট অনুযায়ী লম্বা হবে */
  .product-modal {
    display: flex !important;
    align-items: flex-start !important;
    /* ওপর থেকে শুরু হবে, মাঝখানে ঝুলে থাকবে না */
    overflow-y: auto !important;
    height: 100% !important;
    padding: 10px 0 !important;
  }

  /* ২. মডাল কন্টেন্ট - সাদা গ্যাপের মূল কারণ এটি */
  .modal-content {
    height: auto !important;
    /* ফিক্সড হাইট বন্ধ */
    min-height: auto !important;
    /* ১০০ভিপিএইচ থাকলে তা বাতিল করবে */
    margin: 0 auto !important;
    display: block !important;
    border-radius: 15px !important;
    overflow: visible !important;
    /* কন্টেন্ট যেন ভেতরে আটকে না থাকে */
  }

  /* ৩. ডিটেইলস সেকশন - অতিরিক্ত প্যাডিং কমানো */
  .p-details {
    padding: 20px 15px 20px !important;
    /* নিচের প্যাডিং ১০০ থেকে কমিয়ে ২০ করা হলো */
    height: auto !important;
    min-height: auto !important;
  }

  /* ৪. শেয়ার এরিয়া - গ্যাপ আরও কমানোর জন্য */
  .share-area {
    margin-top: 15px !important;
    padding-bottom: 10px !important;
    clear: both;
  }

  /* ৫. বডি প্যাডিং ফিক্স - যাতে স্ক্রল শেষে বিশাল ফাঁকা না থাকে */
  body {
    padding-bottom: 0px !important;
    /* ১৬০ থেকে কমিয়ে ২০ করা হলো */
  }
}

@media (max-width: 768px) {
  .close-modal {
    position: absolute;
    top: 10px;
    /* ওপর থেকে পজিশন */
    left: 15px;
    /* বাম দিক থেকে পজিশন */
    right: auto;

    /* সাদা ব্যাকগ্রাউন্ড এবং গোল শেপ */

    width: 36px;
    height: 36px;
    border-radius: 50%;

    /* আইকনটিকে একদম মাঝখানে (Middle) আনার জন্য */
    display: flex !important;
    align-items: center;
    justify-content: center;

    /* ডিজাইন পলিশ */
    color: #3970f0;
    font-size: 1.4rem;
    line-height: 0;
    /* টেক্সট এলাইনমেন্ট ঠিক রাখার জন্য */

    z-index: 110;
    cursor: pointer;
    padding-bottom: 2px;
    /* '×' চিহ্নটিকে ভার্টিক্যালি সেন্টার করার জন্য */
  }
}

.fake-notification {
  position: fixed;
  bottom: 100px;
  left: 20px;
  background: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 9999;
  transform: translateX(-150%);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 4px solid var(--accent-green);
  max-width: 320px;
}

.fake-notification.active {
  transform: translateX(0);
}

/* ===== FINAL DESIGN POLISH ===== */
/* --- PREMIUM BACKGROUND & BOTTOM FIX --- */

/* ফুটার এবং স্টিকি বার */
.site-footer {
  position: relative;
  z-index: 5;
  background-color: #111;
  margin-bottom: 0;
}

.sticky-bottom-bar {
  z-index: 9999;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.bundles-section,
.review-section {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  backdrop-filter: blur(5px);
}

/* HERO REFINEMENT */
.hero-container {
  background: linear-gradient(135deg, #e8f0ff 0%, #c7dcff 40%, #8ab4ff 100%);
}

.hero-text h1 {
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.hero-text p.sub-text {
  font-size: 1.35rem;
  font-weight: 600;
  color: #1e293b;
  max-width: 560px;
}

/* CTA BUTTON */
.btn-primary {
  background: linear-gradient(135deg, #0f172a, #2563eb);
  border-radius: 999px;
  box-shadow: 0 20px 45px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 30px 60px rgba(37, 99, 235, 0.45);
}

/* SHOWCASE AREA */
.showcase-area {
  filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.25));
}

.book-card {
  border-radius: 10px;
  overflow: hidden;
}

/* HERO STATS */
.hero-stats {
  background: linear-gradient(90deg, #0f172a, #1e3a8a);
  color: #fff;
  padding: 45px 20px;
}

.hero-stats h2 {
  color: #facc15;
  font-weight: 900;
}

.hero-stats p {
  opacity: 0.9;
  font-weight: 500;
}

/* BUNDLE CARD */
.bundle-card {
  border-radius: 36px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.06);
}

.bundle-card:hover {
  transform: translateY(-12px);
}

.bundle-img-box {
  border-radius: 14px;
}

/* PRICE */
.price {
  font-size: 2.2rem;
  color: #0f172a;
}

.price small {
  opacity: 0.5;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  .hero-text h1 {
    font-size: 2.6rem;
  }

  .hero-text p.sub-text {
    font-size: 1.05rem;
  }

  .hero-stats {
    text-align: center;
  }
}

/* Modal Arrow Styles */
.modal-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  font-size: 18px;
  font-weight: bold;
  padding: 10px;
  cursor: pointer;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
  opacity: 0;
}

.modal-img-box:hover .modal-arrow {
  opacity: 1;
}

.modal-arrow:hover {
  background-color: #d4af37;
  color: black;
}

.prev-btn {
  left: 10px;
}

.next-btn {
  right: 10px;
}

/* FONTS & VARS */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --primary-dark: #0b1b2b;
  --primary: #12304d;
  --accent-gold: #d4af37;
  --accent-gold-light: #f3e5ab;
  --accent-green: #00d26a;
  --accent-red: #ff4757;
  --btn-blue: #2c3e50;
  --text: #1e293b;
  --muted: #64748b;

  --footer-bg: #111;
  --footer-accent: #dfff00;

  --glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.8);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);

  --book-width: 260px;
  --book-height: 380px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  overflow-x: hidden;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text);
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  background: #e6efff;
  position: relative;
  padding-bottom: 90px;
}

/* AI Banner */
.ai-banner-container {
  background: linear-gradient(135deg, #0a0e17 0%, #1a1f35 100%);
  border: 1px solid #2d3748;
  border-radius: 20px;
  padding: 40px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin: 30px auto;
  max-width: 900px;
  color: white;
}

.ai-banner-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #00c6ff, #0072ff);
  box-shadow: 0 0 15px #0072ff;
}

.ai-badge {
  background: rgba(255, 255, 255, 0.1);
  display: inline-block;
  padding: 5px 15px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #00c6ff;
  border: 1px solid rgba(0, 198, 255, 0.3);
  margin-bottom: 15px;
}

.ai-title {
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 15px;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(to right, #ffd700, #ffaa00);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.ai-subtitle {
  font-size: 1.1rem;
  color: #cbd5e0;
  max-width: 700px;
  margin: 0 auto 25px auto;
  line-height: 1.6;
}

.highlight {
  color: #fff;
  font-weight: bold;
  text-decoration: underline;
  text-decoration-color: #ffd700;
}

.ai-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
}

.feature-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-cta-btn {
  display: inline-block;
  background: linear-gradient(90deg, #00c6ff, #0072ff);
  color: white;
  padding: 15px 40px;
  border-radius: 50px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
  box-shadow: 0 0 20px rgba(0, 114, 255, 0.4);
  animation: pulse 2s infinite;
}

.ai-cta-btn:hover {
  transform: scale(1.05);
}

.btn-text {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
}

.btn-price {
  display: block;
  font-size: 0.9rem;
  margin-top: 5px;
}

.original-price {
  text-decoration: line-through;
  opacity: 0.7;
  margin-right: 8px;
}

.offer-price {
  font-weight: bold;
  color: #ffd700;
}

.money-back {
  margin-top: 15px;
  font-size: 0.8rem;
  color: #718096;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 114, 255, 0.7);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(0, 114, 255, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 114, 255, 0);
  }
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
  height: 120px;
  /* Fixed height strictly maintained */
  max-width: 1280px;
  width: calc(100% - 40px);
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 27, 43, 0.95);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 50px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  z-index: 2000;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  overflow: visible;
  /* Allow logo to pop out */
}

.brand {
  font-family: 'Outfit', sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
  text-decoration: none;
}

.logo-img {
  height: 180px;
  /* Even bigger size */
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
  position: relative;
  z-index: 1001;
  /* Ensure it's perfectly centered vertically */
  display: block;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .logo-img {
    height: 120px;
    /* Scaled for mobile */
  }

  .navbar {
    height: 80px;
    padding: 0 15px;
    width: calc(100% - 20px);
    /* Slightly more width on mobile */
    top: 10px;
  }
}

.brand span {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  gap: 40px;
  /* Increased gap for better spacing */
}

.nav-links a {
  text-decoration: none;
  color: #ffffff;
  /* White text for dark navbar */
  font-weight: 700;
  /* Bolder for prominence */
  font-size: 1.15rem;
  /* Increased font size */
  font-family: 'Outfit', sans-serif;
  transition: 0.3s;
}

.nav-links a:hover {
  color: var(--accent-gold);
}

.hamburger {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #ffffff;
  /* White hamburger for dark navbar */
}

@media (max-width: 768px) {
  .hamburger {
    display: block !important;
    z-index: 1001;
  }

  .nav-links {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #0b1b2b !important;
    /* Solid dark background */
    flex-direction: column;
    padding: 20px 0 !important;
    border-radius: 0 0 25px 25px;
    gap: 0 !important;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-top: none;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000 !important;
    backdrop-filter: none !important;
  }

  .nav-links.active {
    display: flex !important;
  }

  .nav-links a {
    width: 100%;
    padding: 15px 30px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: #ffffff !important;
    font-size: 1rem !important;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }
}

/* HERO SECTION */
.badge {
  display: inline-block;
  padding: 8px 20px;
  background: #fff;
  border: 1px solid var(--accent-gold);
  border-radius: 50px;
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 25px;
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.15);
  font-family: 'Outfit', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 25px;
  letter-spacing: -2px;
}

h1 span {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.sub-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 30px;
}

.btn {
  padding: 16px 35px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 30px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, #0b1b2b, #2c3e50);
  color: white;
  box-shadow: 0 20px 40px rgba(44, 62, 80, 0.3);
  border: none;
  font-size: 1rem;
  margin-top: 10px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 25px 50px rgba(44, 62, 80, 0.4);
}

/* 3D BOOK SHOWCASE */
.showcase-area {
  position: relative;
  height: 650px;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  overflow: visible !important;
}

.books-wrapper {
  position: relative;
  width: 300px;
  height: 400px;
  perspective: 1200px;
  transform-style: preserve-3d;
  /* Crucial for child depth */
  z-index: 10;
  animation: hoverFloat 4s ease-in-out infinite;
}

@keyframes hoverFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

/* BOOK CAROUSEL ANIMATION */
.book-card {
  position: absolute;
  width: var(--book-width);
  height: var(--book-height);
  border-radius: 4px 12px 12px 4px;
  box-shadow: -15px 20px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  cursor: pointer;
  background: lab(99.56% -0.5 0.35);
  transform-style: preserve-3d;
  border-left: 5px solid rgba(0, 0, 0, 0.1);
}

/* Dynamic Position Classes */
.pos-center {
  z-index: 10 !important;
  transform: rotateY(0deg) translateZ(0px) scale(1) !important;
  filter: brightness(1) !important;
  opacity: 1 !important;
  left: 20px !important;
  top: 0px !important;
  /* Shifted up from 60px */
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4) !important;
  cursor: pointer;
}

.pos-left {
  z-index: 5 !important;
  transform: rotateY(-15deg) translateX(-280px) translateZ(-100px) scale(0.8) !important;
  filter: brightness(0.7) !important;
  opacity: 0.8 !important;
  left: 20px !important;
  /* Keep base position same, move with transform */
  top: -30px !important;
  /* Shifted up from 30px */
}

.pos-right {
  z-index: 5 !important;
  transform: rotateY(15deg) translateX(280px) translateZ(-100px) scale(0.8) !important;
  filter: brightness(0.7) !important;
  opacity: 0.8 !important;
  left: 20px !important;
  /* Keep base position same, move with transform */
  top: -30px !important;
  /* Shifted up from 30px */
}

.book-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px 10px 10px 2px;
}

/* BUNDLES SECTION */
.bundles-section {
  max-width: 1000px;
  margin: 80px auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  color: var(--primary-dark);
  margin-bottom: 15px;
  letter-spacing: -1.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 60px;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}

.bundle-card {
  display: flex;
  gap: 40px;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  padding: 35px;
  margin-bottom: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.bundle-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.bundle-card.combo-card {
  background: linear-gradient(135deg, #fffbf0 0%, #fff 100%);
  border: 2px solid var(--accent-gold-light);
}

.bundle-img-box {
  width: 200px;
  height: 240px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 10px 20px 30px rgba(0, 0, 0, 0.15);
  transform: rotate(-3deg);
  border: 4px solid #fff;
  background-color: #c9cfcc;
  transition: 0.3s;
}

.bundle-card:hover .bundle-img-box {
  transform: rotate(0deg) scale(1.05);
}

.bundle-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bundle-content {
  flex: 1;
}

.bundle-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  font-family: 'Outfit', sans-serif;
}

.tag-phy {
  background: #6366f1;
}

.tag-chem {
  background: #ec4899;
}

.tag-bio {
  background: #22c55e;
}

.tag-combo {
  background: linear-gradient(90deg, #d4af37, #f59e0b);
  color: #000;
}

.bundle-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 30px;
}

.feat {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #475569;
  background: #f1f5f9;
  padding: 10px 15px;
  border-radius: 10px;
  font-weight: 500;
}

.feat i {
  color: var(--accent-green);
  font-size: 1.1rem;
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #e2e8f0;
  padding-top: 20px;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
  font-family: 'Outfit', sans-serif;
  letter-spacing: -1px;
}

.price small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: line-through;
  margin-left: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Review Styles */
.review-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 20px;
}

.review-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: center;
}

.student-reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.review-card {
  background: linear-gradient(135deg, hsl(210, 72%, 56%), #509be7);
  border-radius: 20px;
  padding: 25px 25px 0 25px;
  color: white;
  box-shadow: 0 15px 30px rgba(46, 204, 113, 0.25);
  transition: 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  overflow: hidden;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 40px rgba(46, 204, 113, 0.35);
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}

.reviewer-img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 2px solid white;
  object-fit: cover;
}

.reviewer-name {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
  font-family: 'Outfit', sans-serif;
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 20px;
  opacity: 0.95;
  flex-grow: 1;
}

.review-reply-bar {
  background: rgba(0, 0, 0, 0.1);
  margin: 0 -25px;
  padding: 12px 25px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: 0.2s;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.review-reply-bar:hover {
  background: rgba(0, 0, 0, 0.2);
}

.review-logo-box {
  background: #fff;
  border: 2px solid #000;
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  box-shadow: 10px 10px 0px #000;
  transform: rotate(2deg);
  transition: 0.3s;
}

.review-logo-box:hover {
  transform: rotate(0deg);
}

.rl-icon {
  font-size: 3rem;
  color: #1e293b;
  margin-bottom: 15px;
}

.rl-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1;
  color: #1e293b;
  letter-spacing: -1px;
  text-transform: uppercase;
}

.rl-sub {
  font-family: 'Outfit', sans-serif;
  color: var(--btn-blue);
  font-weight: 700;
  font-size: 1.2rem;
  display: block;
  margin-top: 10px;
}

/* Final Deal & Footer */
.final-deal-section {
  background: linear-gradient(180deg, #fff 0%, #fffbf2 100%);
  padding: 80px 20px;
  text-align: center;
  border-radius: 60px 60px 0 0;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.05);
  margin-top: 50px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--accent-gold-light);
}

.final-stats {
  font-family: 'Outfit', sans-serif;
  color: #64748b;
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 25px;
}

.final-stats span {
  display: block;
  font-family: 'Outfit', sans-serif;
  color: #1e293b;
  font-weight: 900;
  font-size: 2.5rem;
  letter-spacing: 1px;
  margin-top: 5px;
}

.final-price-box {
  display: inline-flex;
  justify-content: center;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 40px;
  background: #fff;
  padding: 15px 40px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid #f1f5f9;
}

.fp-old {
  font-size: 1.8rem;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 600;
}

.fp-new {
  font-size: 4.5rem;
  background: linear-gradient(135deg, #4734f4 0%, #7fc4f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -3px;
}

.final-cta-btn {
  background: linear-gradient(90deg, #ff4757, #ff6b81);
  color: #fff;
  padding: 20px 60px;
  font-size: 1.4rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 15px 35px rgba(255, 71, 87, 0.4);
  margin-bottom: 20px;
  transition: transform 0.2s;
  position: relative;
  overflow: hidden;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.final-cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shine 2.5s infinite;
}

@keyframes shine {
  0% {
    left: -100%;
  }

  20% {
    left: 100%;
  }

  100% {
    left: 100%;
  }
}

.final-cta-btn:hover {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 20px 45px rgba(255, 71, 87, 0.5);
}

.final-subtext {
  color: #64748b;
  font-size: 1.1rem;
  margin-bottom: 30px;
  display: block;
  font-weight: 500;
}

.progress-wrapper {
  max-width: 600px;
  margin: 0 auto 25px auto;
  background: #e2e8f0;
  border-radius: 30px;
  height: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

.progress-fill {
  background: linear-gradient(90deg, #3515e8, #2491bc);
  width: 98%;
  height: 100%;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 25px;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  transition: width 0.5s ease;
  font-family: 'Outfit', sans-serif;
}

.urgency-alert {
  color: #ef4444;
  font-weight: 900;
  font-size: 1.8rem;
  text-transform: uppercase;
  animation: pulseRed 1s infinite;
  padding: 10px;
  border-radius: 10px;
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
}

@keyframes pulseRed {
  0% {
    transform: scale(1);
    opacity: 1;
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
  }

  50% {
    transform: scale(1.05);
    opacity: 0.8;
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
  }

  100% {
    transform: scale(1);
    opacity: 1;
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
  }
}

/* Footer */
.footer-copyright {
  border-top: 1px solid #333;
  padding: 25px 20px;
  text-align: center;
  background: #000;
}

.footer-copyright p {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  color: #888;
  margin: 0;
  letter-spacing: 0.5px;
}

/* Modal & Misc Styles */
.product-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  width: 95%;
  max-width: 1100px;
  height: 90vh;
  background: #fff;
  border-radius: 24px;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
  position: relative;
  animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUp {
  from {
    transform: translateY(100px) scale(0.9);
    opacity: 0;
  }

  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 2.2rem;
  color: #94a3b8;
  cursor: pointer;
  z-index: 10;
  transition: 0.2s;
  right: "44px";
}

.close-modal:hover {
  color: var(--accent-red);
  transform: rotate(90deg);
}

.product-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  height: 100%;
}

.p-gallery {
  background: #f8fafc;
  padding: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 25px;
  border-right: 1px solid #e2e8f0;
}

.p-main-img {
  width: 243px;
  height: 260px;
  object-fit: cover;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  border: 6px solid #fff;
  transition: 0.3s;
  background-color: #c9cfcc;
}

.p-main-img:hover {
  transform: scale(1.02);
}

.p-thumbnails {
  display: flex;
  gap: 15px;
}

.thumb {
  width: 70px;
  height: 90px;
  border-radius: 8px;
  cursor: pointer;
  border: 3px solid transparent;
  transition: 0.2s;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb:hover {
  border-color: var(--accent-gold);
  transform: translateY(-3px);
}

.p-details {
  padding: 50px 60px;
  overflow-y: auto;
}

.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-green);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 10px;
  background: rgba(0, 210, 106, 0.1);
  padding: 5px 12px;
  border-radius: 20px;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.p-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 10px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.p-subtitle {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.p-features-list {
  list-style: none;
  margin-bottom: 25px;
}

.p-features-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: #475569;
  font-weight: 500;
}

.p-features-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
  color: var(--primary-dark);
}

.p-rating {
  color: #f59e0b;
  margin-bottom: 30px;
  font-size: 1rem;
}

.p-rating span {
  color: #94a3b8;
  margin-left: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.format-group {
  margin-bottom: 30px;
  background: #fff;
  padding: 20px;
  border-radius: 16px;
  border: 2px solid #f1f5f9;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.format-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 15px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Outfit', sans-serif;
}

.format-options {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.radio-container {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  background: #f8fafc;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: 0.2s;
}

.radio-container:hover {
  border-color: var(--btn-blue);
  background: #fff;
}

.radio-container input {
  accent-color: var(--btn-blue);
  width: 20px;
  height: 20px;
}

.p-price-area {
  margin-bottom: 35px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.p-current-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -1px;
}

.p-old-price {
  font-size: 1.5rem;
  color: #94a3b8;
  text-decoration: line-through;
  margin-bottom: 5px;
}

.p-tax-note {
  display: block;
  width: 100%;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 5px;
}

.p-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
  align-items: center;
}

.qty-box {
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px 15px;
  font-size: 1.1rem;
  width: 80px;
  text-align: center;
  font-weight: 600;
  outline: none;
  font-family: 'Outfit', sans-serif;
}

.qty-box:focus {
  border-color: var(--btn-blue);
}

.btn-buy {
  background: var(--btn-blue);
  color: #fff;
  padding: 15px 45px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--btn-blue);
  transition: 0.3s;
  box-shadow: 0 10px 20px rgba(44, 62, 80, 0.2);
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.btn-buy:hover {
  background: #1a252f;
  border-color: #1a252f;
  transform: translateY(-3px);
}

.btn-cart {
  background: transparent;
  color: var(--btn-blue);
  padding: 15px 45px;
  border-radius: 12px;
  font-weight: 700;
  border: 2px solid var(--btn-blue);
  cursor: pointer;
  transition: 0.3s;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.btn-cart:hover {
  background: #f1f5f9;
  transform: translateY(-3px);
}

.p-extras {
  list-style: none;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.p-extras li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
}

.p-extras i {
  color: var(--accent-green);
  font-size: 1.1rem;
}

.share-area {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 30px;
  color: #94a3b8;
  border-top: 1px solid #e2e8f0;
  padding-top: 25px;
}

.share-icon {
  width: 40px;
  height: 40px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.2s;
  color: var(--text);
}

.share-icon:hover {
  background: var(--btn-blue);
  color: #fff;
  border-color: var(--btn-blue);
  transform: translateY(-3px);
}

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: #00d26a;
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 20px 40px rgba(0, 210, 106, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-family: 'Outfit', sans-serif;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  bottom: 50px;
}

/* WhatsApp Button Circle Style */
.wa-float {
  position: fixed;
  bottom: 90px;
  /* Sticky bar এর উপরে থাকার জন্য */
  right: 30px;
  background: #25D366;
  color: white;
  width: 60px;
  /* ফিক্সড চওড়া */
  height: 60px;
  /* ফিক্সড উচ্চতা */
  border-radius: 50%;
  /* একদম গোল করার জন্য */
  text-decoration: none;
  font-size: 2rem;
  /* আইকনের সাইজ বড় করা হলো */
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  /* আইকন সেন্টারে আনার জন্য */
  z-index: 200;
  transition: 0.3s;
}

.wa-float:hover {
  transform: scale(1.1) rotate(15deg);
  /* হোভার করলে একটু ঘুরবে */
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
}

.hero-cta-wrapper {
  margin-top: 30px;
  display: flex;
  justify-content: flex-start;
}

@media (max-width: 768px) {
  .hero-cta-wrapper {
    justify-content: center;
    margin-top: 25px;
  }
}

/* INFO MODAL STYLES (Privacy/Refund) */
.info-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
}

.info-modal.active {
  opacity: 1;
  visibility: visible;
}

.info-content {
  background: #fff;
  width: 90%;
  max-width: 600px;
  padding: 40px;
  border-radius: 20px;
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}

.info-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
  color: #333;
}

.info-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--accent-gold);
  padding-bottom: 10px;
  display: inline-block;
}

.info-text {
  font-size: 1rem;
  line-height: 1.6;
  color: #444;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 768px) {
  .navbar {
    padding: 15px 20px;
  }

  .hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 30px 0;
    border-top: 1px solid #eee;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
    padding: 20px;
  }

  .hero-text {
    order: 2;
  }

  .showcase-area {
    height: 400px;
    order: 1;
    transform: scale(0.9);
  }

  .sub-text {
    margin: 0 auto 30px auto;
  }

  .btn {
    justify-content: center;
  }

  .bundle-card {
    flex-direction: column;
    text-align: center;
    padding: 30px;
    gap: 30px;
  }

  .bundle-img-box {
    transform: rotate(0deg);
    width: 140px;
    height: 200px;
    margin: 0 auto;
    border-width: 3px;
  }

  .bundle-card:hover .bundle-img-box {
    transform: scale(1.05);
  }

  .features-list {
    text-align: left;
  }

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

  .review-logo-box {
    transform: rotate(0deg);
    margin-top: 20px;
  }

  .footer-bottom {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .modal-content {
    height: 100vh;
    width: 100%;
    border-radius: 0;
  }

  .product-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .p-gallery {
    padding: 30px 20px;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }

  .p-details {
    padding: 30px 20px;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 15px 20px;
    width: 95%;
  }

  .brand {
    font-size: 1.3rem;
  }

  .nav-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }

  .sub-text {
    font-size: 1rem;
    color: #c9cfcc;
    font-weight: 600;
  }

  .showcase-area {
    height: 320px;
    transform: scale(0.65);
    margin-top: -30px;
    margin-bottom: -30px;
  }

  .blob-1 {
    width: 300px;
    height: 300px;
    top: -50px;
    left: -50px;
  }

  .bundle-card {
    padding: 20px;
    gap: 20px;
  }

  .features-list {
    grid-template-columns: 1fr;
  }

  .price-row {
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  .btn-primary {
    width: auto;
    min-width: 200px;
    max-width: 90%;
    justify-content: center;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  .final-deal-section {
    padding: 50px 15px;
    border-radius: 40px 40px 0 0;
  }

  .final-stats {
    font-size: 2rem;
  }

  .fp-new {
    font-size: 3rem;
    line-height: 1;
  }

  .final-price-box {
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 15px 20px;
  }

  .final-cta-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
  }

  .progress-wrapper {
    height: 35px;
  }

  .progress-fill {
    font-size: 0.8rem;
    padding: 0 15px;
  }

  .p-title {
    font-size: 1.6rem;
  }

  .p-main-img {
    width: 180px;
    height: 260px;
  }

  .p-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .btn-buy,
  .btn-cart {
    width: 100%;
    text-align: center;
  }

  .qty-box {
    width: 100%;
    margin-bottom: 5px;
  }

  .p-extras {
    grid-template-columns: 1fr;
  }

  .wa-float {
    padding: 10px 20px;
    font-size: 1rem;
    bottom: 117px;
    right: 20px;
  }
}

/* --- STICKY BOTTOM BAR --- */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #4072ef;
  color: white;
  text-align: center;
  padding: 12px 20px;
  z-index: 999;
  text-decoration: none;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
  border-top: 2px solid #fff;
}

.sticky-bottom-bar:hover {
  background-color: #5a26dc;
}

.sticky-main-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sticky-sub-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 4px;
  color: #fffbf0;
}

/* --- FAKE NOTIFICATION POPUP --- */
.fake-notification {
  position: fixed;
  bottom: 100px;
  left: 20px;
  background: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 9999;
  transform: translateX(-150%);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 4px solid var(--accent-green);
  max-width: 320px;
}

.fake-notification.active {
  transform: translateX(0);
}

.fn-img-box {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-gold);
  flex-shrink: 0;
}

.fn-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fn-content h4 {
  font-size: 0.95rem;
  margin: 0;
  color: var(--primary-dark);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

.fn-content p {
  font-size: 0.8rem;
  margin: 2px 0 0 0;
  color: var(--muted);
  line-height: 1.3;
}

.fn-content small {
  font-size: 0.7rem;
  color: #94a3b8;
  display: block;
  margin-top: 2px;
}


/* Comparison Table Styles */
.comparison-section {
  padding: 60px 0;
  background-color: #f9f9f9;
}

/* Comparison Table Responsive Fix */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 20px;
  padding: 5px;
  /* Added padding to ensure shadows/borders aren't cut off */
}

.comp-table {
  width: 100%;
  min-width: 600px;
  /* Force minimum width to ensure content doesn't squish on mobile */
  border-collapse: collapse;
  background: white;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid #ddd;
  /* Explicitly add border to table */
}

@media (max-width: 768px) {

  .comp-table th,
  .comp-table td {
    padding: 10px 8px;
    font-size: 0.9rem;
  }

  .comp-table th {
    font-size: 1rem;
  }
}


.highlight-col {
  background-color: #e3f2fd;
  /* Light blue highlight for your book */
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: bold;
}

.cross-icon {
  color: red;
  font-weight: bold;
}

/* General Styles */
:root {
  --primary-color: #004aad;
  /* Based on the blue ring in your image */
  --secondary-color: #f4f4f4;
  --text-color: #333;
  --accent-color: #ff9800;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--text-color);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

/* Header / Navigation */
header {
  background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-buy {
  background: var(--primary-color);
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: 0.3s;
}

.btn-buy:hover {
  background: #003380;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #555;
}

.brain-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  border: 5px solid var(--primary-color);
  border-radius: 50%;
  padding: 10px;
  background: white;
}

/* Stats Section */
.stats-bar {
  background: var(--primary-color);
  color: white;
  padding: 30px 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.stat-item h2 {
  font-size: 2.5rem;
  margin: 0;
  color: var(--accent-color);
}

/* Features Section */
.features {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.feature-card {
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

.check-icon {
  color: green;
  font-weight: bold;
  margin-right: 10px;
}

/* Preview Section */
.preview {
  background: var(--secondary-color);
  padding: 60px 0;
  text-align: center;
}

.preview-img-placeholder {
  width: 100%;
  max-width: 600px;
  height: 300px;
  background-color: #ddd;
  margin: 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed #999;
  color: #666;
}

/* Footer */
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
}

/* --- HERO CONTAINER --- */
.hero-container {
  position: relative;
  min-height: 90vh;
  /* পুরো স্ক্রিন জুড়ে */
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  /* টেক্সট এবং ইমেজের ভাগ */
  align-items: center;
  padding: 0 8%;
  /* প্রিমিয়াম ব্যাকগ্রাউন্ড (সাদা এবং হালকা নীল) */
  background: radial-gradient(circle at top left, #b0d6f0, #92baf2, #0a4aec);
  overflow: hidden;
}

/* ব্যাকগ্রাউন্ড ডেকোরেশন (Blobs) */
.hero-container::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: 0;
}

/* --- HERO TEXT (বাম পাশ) --- */
.hero-text {
  z-index: 2;
  position: relative;
}

/* টাইটেল স্টাইল */
.hero-text h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 4.5rem;
  line-height: 1.1;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 25px;
  letter-spacing: -2px;
}

/* হাইলাইটেড টেক্সট (গোল্ডেন/গ্রেডিয়েন্ট) */
.hero-text h1 span {
  display: inline-block;
  background: linear-gradient(to right, #2563eb, #3a83dd);
  /* নীল থেকে বেগুনি */
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  position: relative;
}

/* টেক্সটের নিচে স্টাইলিশ দাগ */
.hero-text h1 span::after {
  content: '';
  display: block;
  width: 100%;
  height: 8px;

  border-radius: 50px;
  opacity: 0.6;
  margin-top: -10px;
  margin-bottom: 10px;
}

.sub-text {
  font-size: 1.25rem;
  color: #475569;
  line-height: 1.7;
  max-width: 90%;
  margin-bottom: 40px;
  font-weight: 500;
}

/* বাটন ডিজাইন */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #0f172a;
  /* গাঢ় নীল */
  color: #fff;
  padding: 18px 45px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
}

.btn-primary:hover {
  transform: translateY(-5px);
  background: #2563eb;
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.3);
}

/* --- SHOWCASE AREA (ডান পাশ - বই) --- */
.showcase-area {
  position: relative;
  height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  /* 3D ভাব */
  z-index: 1;
}

/* গ্লাস কার্ড (Glassmorphism) */
.glass-card {
  position: absolute;
  width: 380px;
  height: 500px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 40px;
  transform: rotate(-10deg) translateZ(-50px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

/* বইয়ের র‍্যাপার */
.books-wrapper {
  position: relative;
  width: 260px;
  height: 360px;
  transform-style: preserve-3d;
  animation: floating 6s ease-in-out infinite;
  /* ভাসমান অ্যানিমেশন */
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* বইয়ের কার্ড */
.book-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px 12px 12px 8px;
  box-shadow: -10px 15px 30px rgba(0, 0, 0, 0.3);
  transition: 0.5s;
  cursor: pointer;
}

.book-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px 12px 12px 8px;
}

/* বইগুলো সাজানো (Stacking) */
.book-chem {
  transform: translate3d(-60px, 40px, -60px) rotateY(-30deg);
  z-index: 1;
  filter: brightness(0.9);
}

.book-phy {
  transform: translate3d(60px, 40px, -60px) rotateY(30deg);
  z-index: 1;
  filter: brightness(0.9);
}

.book-bio {
  transform: translate3d(0, 0, 40px);
  /* সবার সামনে */
  z-index: 5;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* হোভার ইফেক্ট */
.books-wrapper:hover .book-chem {
  transform: translate3d(-100px, 0, 0) rotateY(-15deg);
  filter: brightness(1);
}

.books-wrapper:hover .book-phy {
  transform: translate3d(100px, 0, 0) rotateY(15deg);
  filter: brightness(1);
}

.books-wrapper:hover .book-bio {
  transform: translate3d(0, -20px, 60px) scale(1.05);
}

/* --- রেসপন্সিভ (মোবাইল) --- */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 80px 20px;
    gap: 50px;
  }

  .hero-text h1 {
    font-size: 3rem;
  }

  .hero-text {
    margin-bottom: 0;
  }

  .showcase-area {
    height: 500px;
    order: 1;
    transform: scale(0.9);
  }

  .glass-card {
    width: 300px;
    height: 400px;
    left: 50%;
    transform: translateX(-50%) rotate(-10deg);
  }
}

/* আপনার সব ডিজাইন এবং স্টাইল এখানে হুবহু রাখা হয়েছে */
.fake-notification {
  position: fixed;
  bottom: 100px;
  left: 20px;
  background: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 9999;
  transform: translateX(-150%);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 4px solid var(--accent-green);
  max-width: 320px;
}

.fake-notification.active {
  transform: translateX(0);
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text);
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  background: #e6efff;
  background-attachment: fixed;
  position: relative;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 140px !important;
}

.site-footer {
  position: relative;
  z-index: 5;
  background-color: #111;
  margin-bottom: 0;
}

.sticky-bottom-bar {
  z-index: 9999;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.bundles-section,
.review-section {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  backdrop-filter: blur(5px);
}

:root {
  --primary-dark: #0b1b2b;
  --primary: #12304d;
  --accent-gold: #d4af37;
  --accent-gold-light: #f3e5ab;
  --accent-green: #00d26a;
  --accent-red: #ff4757;
  --btn-blue: #2c3e50;
  --text: #1e293b;
  --muted: #64748b;
  --glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.8);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  --book-width: 240px;
  --book-height: 360px;
  --primary-color: #004aad;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  overflow-x: hidden;
}

h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 25px;
  letter-spacing: -2px;
}

.hero-container {
  position: relative;
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  padding: 40px 8% 0;
  /* Add top padding to clear the floating logo comfortably */
  background: radial-gradient(circle at top left, #b0d6f0, #92baf2, #0a4aec);
  overflow: hidden;
}

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    /* দুই কলাম থেকে এক কলামে পরিবর্তন */
    padding: 60px 5%;
    /* মোবাইলে সাইড প্যাডিং কমানো হয়েছে */
    min-height: auto;
    /* হাইট কন্টেন্ট অনুযায়ী বাড়বে */
    text-align: center;
    /* টেক্সট সেন্টারে থাকবে */
    gap: 40px;
    /* টেক্সট এবং ইমেজের মধ্যে গ্যাপ */
    justify-items: center;
  }

  .hero-text {
    order: 1;
    /* টেক্সট প্রথমে দেখাবে */
  }

  .hero-text h1 {
    font-size: 2.5rem;
    /* মোবাইলে টাইটেল সাইজ ছোট করা হয়েছে */
    letter-spacing: -1px;
  }

  .sub-text {
    font-size: 1.1rem;
    margin: 0 auto 30px auto;
    max-width: 100%;
  }

  .showcase-area {
    order: 2;
    /* ইমেজ পরে দেখাবে */
    height: 450px;
    /* মোবাইলে ইমেজের জায়গার উচ্চতা কমানো হয়েছে */
    width: 100%;
    transform: scale(0.85);
    /* পুরো ইমেজে সেটআপটি একটু ছোট করে ফিট করা হয়েছে */
  }

  .glass-card {
    width: 300px;
    height: 400px;
    left: 50%;
    transform: translateX(-50%) rotate(-10deg);
  }
}

@media (max-width: 768px) {

  /* বডির অতিরিক্ত প্যাডিং কমানো */
  body {
    padding-bottom: 80px !important;
    /* ১৬০ পিক্সেল থেকে কমিয়ে ৮০ করা হলো */
  }

  /* মডালের ভেতরের হাইট ফিক্স */
  .modal-content {
    min-height: auto !important;
    /* এটি বিশাল সাদা জায়গা তৈরি করা বন্ধ করবে */
    margin-bottom: 10px !important;
  }

  /* প্রোডাক্ট ডিটেইলস এর প্যাডিং কমানো */
  .p-details {
    padding: 20px 15px 40px !important;
    /* নিচের প্যাডিং ১০০ থেকে কমিয়ে ৪০ করা হলো */
  }

  /* সোশ্যাল মিডিয়া সেকশন (সাদা গ্যাপের প্রধান কারণ এটি হতে পারে) */
  .share-area {
    margin-top: 15px !important;
    padding-bottom: 20px !important;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2rem;
  }

  .showcase-area {
    height: 380px;
    transform: scale(0.7);
    /* ছোট ফোনের জন্য আরও কিছুটা ছোট করা */
  }
}

.bundle-card {
  display: flex;
  gap: 40px;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  padding: 35px;
  margin-bottom: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-pay-now {
  background: #2563eb;
  color: white;
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
}

.product-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  width: 95%;
  max-width: 1100px;
  height: 90vh;
  background: #fff;
  border-radius: 24px;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
  position: relative;
}

.close-modal {
  position: absolute;
  top: 3px;
  right: 25px;
  font-size: 2.2rem;
  color: #1a72ec;
  cursor: pointer;
  z-index: 10;
  transition: 0.2s;
}

/* Final Override for Hero Button Positioning */
.hero-cta-wrapper {
  margin-top: 40px !important;
  margin-bottom: 20px !important;
  display: flex !important;
  justify-content: flex-start !important;
}

@media (max-width: 900px) {
  .hero-cta-wrapper {
    justify-content: center !important;
    margin-top: 30px !important;
  }

  .hero-text .btn-primary {
    width: auto !important;
    min-width: 220px !important;
    max-width: 90% !important;
    margin: 10px auto !important;
    display: inline-flex !important;
    justify-content: center !important;
  }
}

.book-card {
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  border: none !important;
}

/* Stats Section Centering Updates */
.hero-stats {
  text-align: center !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100% !important;
}

.hero-stats .container {
  width: 100% !important;
}

.stat-item {
  text-align: center !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
}

/* Force Book Images to be transparent PNGs only */
.book-card {
  background: transparent !important;
  background-color: transparent !important;
  overflow: visible !important;
  border: none !important;
  box-shadow: none !important;
}

.book-cover {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  transform: scale(1.18) !important;
  transition: transform 0.3s ease !important;
}

.book-card:hover .book-cover {
  transform: scale(1.23) !important;
}

/* Fix 3D Animation Clipping */
.showcase-area,
.books-wrapper,
.hero-container {
  overflow: visible !important;
}

.books-wrapper {
  width: 400px !important;
  /* Increased from 260px/300px */
  height: 550px !important;
  /* Increased to fit scaled books */
}

@media (max-width: 900px) {
  .books-wrapper {
    width: 320px !important;
    height: 480px !important;
  }
}

/* Review Section Reordering - HTML Swapped Approach */
/* Desktop: Move branding card back to the end (right) */
.review-grid {
  display: grid !important;
  grid-template-columns: 1.2fr 0.8fr !important;
  gap: 40px !important;
  align-items: flex-start !important;
}

.review-branding-col {
  order: 2 !important;
  margin-top: 350px !important;
  /* Aligns it with the second/third row of reviews on desktop */
}

.student-reviews {
  order: 1 !important;
}

/* Mobile: Ensure branding card is first (top) */
@media (max-width: 768px) {
  section.review-section .review-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
  }

  section.review-section .review-branding-col {
    order: -1 !important;
    margin-bottom: 30px !important;
    display: block !important;
  }

  section.review-section .student-reviews {
    order: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
  }
}

/* === COMPARISON TABLE CENTERING & ENHANCEMENT === */
/* Force all text in the comparison table to be centered */
.comp-table th,
.comp-table td {
  text-align: center !important;
}

@media (min-width: 992px) {
  .comparison-section {
    background: radial-gradient(circle at top right, #f8fafc, #f1f5f9) !important;
    padding: 100px 0 !important;
  }

  .comp-table {
    border-collapse: separate !important;
    border-spacing: 0 12px !important;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
  }

  .comp-table th {
    padding: 20px !important;
    font-size: 1.1rem !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    color: #64748b !important;
  }

  .comp-table th.highlight-col {
    background: #2e3192 !important;
    color: white !important;
    border-radius: 12px 12px 0 0 !important;
    position: relative !important;
    box-shadow: 0 -10px 20px rgba(46, 49, 146, 0.1) !important;
  }

  .comp-table tbody tr {
    background: white !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03) !important;
  }

  .comp-table td {
    padding: 25px 20px !important;
    border: none !important;
    font-size: 1.05rem !important;
    vertical-align: middle !important;
  }

  .comp-table td:first-child {
    border-radius: 12px 0 0 12px !important;
    color: #1e293b !important;
  }

  .comp-table td.highlight-col {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border-left: 2px solid #2e3192 !important;
    border-right: 2px solid #2e3192 !important;
    color: #2e3192 !important;
    font-weight: 700 !important;
  }

  .comp-table tbody tr:last-child td.highlight-col {
    border-bottom: 2px solid #2e3192 !important;
    border-radius: 0 0 12px 12px !important;
  }
}

/* === GLOBAL PREMIUM BADGE & HIGHLIGHT COLUMN === */
/* Ensures the "Recommended" badge shows on both mobile and desktop */
.comp-table th.highlight-col {
  position: relative !important;
}

.premium-badge {
  position: absolute !important;
  top: -15px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  background: #fbbf24 !important;
  color: #000 !important;
  padding: 4px 15px !important;
  border-radius: 20px !important;
  font-size: 0.75rem !important;
  font-weight: 800 !important;
  white-space: nowrap !important;
  box-shadow: 0 4px 10px rgba(251, 191, 36, 0.3) !important;
  z-index: 20 !important;
}

/* === GLOBAL LAYOUT OVERRIDES FOR FIXED NAVBAR === */
body {
  padding-top: 0 !important;
  /* Allow background to flow to the top behind navbar */
}

.hero-container {
  padding-top: 250px !important;
  /* Shift content down comfortably below fixed navbar and logo */
}

@media (max-width: 900px) {
  .hero-container {
    padding-top: 150px !important;
  }
}

@media (max-width: 480px) {
  .hero-container {
    padding-top: 130px !important;
  }
}