* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #000;
    margin: 0;
    padding: 0;
    color: rgb(255, 255, 255);
}

section,
div,
main,
header,
footer {
    background-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(114, 112, 112, 0.95);
    /* padding: 1rem 0; */
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}.logo img {
    width: 200px;
    height: auto;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 2rem;
    display: flex;
    align-items: center;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #fffefe;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.banner {
  width: 100%;
  padding: 0;
  margin: 0 auto;
  overflow: hidden;
}

.banner img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px; /* optional */
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .banner {
    padding: 10px;
  }

  .banner img {
    border-radius: 8px;
  }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    position: relative;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 1.2rem 3rem;
    font-size: 1.3rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255,107,107,0.4);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255,107,107,0.6);
}

/* Book Section */
.book-section {
    background: rgb(0, 0, 0);
    margin: 5rem 0;
    border-radius: 25px;
    padding: 4rem;
    box-shadow: 0 25px 60px rgb(0, 0, 0);
}

.book-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.book-image {
    text-align: center;
}

.book-image img {
    width: 100%;
    max-width: 450px;
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.959);
    transition: all 0.4s ease;
}

.book-image img:hover {
    transform: translateY(-10px) scale(1.02);
}

.book-info {
    margin-top: 1.5rem;
    font-size: 1rem;
    color: #ffffff;
    font-weight: 500;
}

.book-details h2 {
    font-size: 2rem;
    color: #f1eeee;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.book-details .price {
    font-size: 3.5rem;
    color: #f5f5f5;
    font-weight: bold;
    margin: 2rem 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.book-features {
    list-style: none;
    margin: 3rem 0;
}

.book-features {
    padding: 1rem 0;
    font-size: 1.2rem;
    border-bottom: 1px solid #ffffff;
    display: flex;
    align-items: center;
}

.book-features{
    content: "✓ ";
    color: #ffffff;
    font-size: 1.1rem;
    margin-right: 1rem;
}

.buy-buttons {
    display: flex;
    gap: 1.2rem;
    margin-top: 3rem;
}

.buy-btn-primary, .buy-btn-secondary, .footer-buy-btn {
    padding: 1.1rem 1.1rem;
    border: none;
    border-radius: 40px;
    font-size: 1.1rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.buy-btn-primary, .footer-buy-btn {
    background: linear-gradient(45deg, #616361, #666967);
    color: white;
    box-shadow: 0 10px 30px rgba(107, 109, 107, 0.4);
}

.buy-btn-primary:hover, .footer-buy-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(96, 99, 96, 0.5);
}

.buy-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 3px solid #ddd;
}

.buy-btn-secondary:hover {
    background: #f8f9fa;
    border-color: #764ba2;
    color: #764ba2;
    transform: translateY(-2px);
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: #ffffff;
}

.features-section h2 {
    text-align: center;
    font-size: 2.1rem;
    margin-bottom: 4rem;
    color: #000000;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: rgb(0, 0, 0);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

/* Testimonials */
.testimonials {
    padding: 6rem 0;
    background: rgb(0, 0, 0);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.1rem;
    margin-bottom: 4rem;
    color: #fff2f2;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.testimonial {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    text-align: center;
}

.testimonial p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: #555;
}

.testimonial strong {
    color: #333;
    font-size: 1.1rem;
}

.stars {
    color: #ffd700;
    font-size: 1.5rem;
    margin-top: 1rem;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.faq-section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: #333;
}

.faq-item {
    background: white;
    margin-bottom: 2rem;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.faq-item h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333;
}

.faq-item p {
    color: #666;
    line-height: 1.7;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #333 0%, #222 100%);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-section p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.footer-buy-btn {
    width: 100%;
    margin-top: 1rem;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 40px;
    right: 40px;
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 0 8px 25px rgba(37,211,102,0.4);
    z-index: 1000;
    animation: whatsapp-blink 2s infinite;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37,211,102,0.6);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        /* gap: 1.5rem; */
        text-align: center;
    }

    nav {
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .book-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .buy-buttons {
        flex-direction: column;
    }

    .book-details h2 {
        font-size: 2.2rem;
    }

    .book-details .price {
        font-size: 2.8rem;
    }
}


.footer-link{
    color: white;
    text-decoration: none;
}