/* Basic Reset */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Arial, sans-serif; }
body { background-color: #f4f7f6; color: #333; line-height: 1.6; animation: fadeIn 0.8s ease-in-out; overflow-x: hidden; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Upgraded Navbar Layout */
.custom-navbar { background: linear-gradient(135deg, #2c3e50 100%); height: 80px; display: flex; align-items: center; position: sticky; top: 0; z-index: 1000; width: 100%; padding: 0 5%; justify-content: space-between; }
.nav-logo-section { display: flex; align-items: center; gap: 15px; }
.nav-logo-img { height: 65px; width: auto; object-fit: contain; margin-left: 100px; }
.nav-brand-title { color: white; font-size: 1.6rem; font-weight: bold; line-height: 1.2; letter-spacing: 0.5px; }
.nav-main-links { display: flex; align-items: center; gap: 25px; margin-right: 100px; }
.nav-fixed-link { color: white !important; text-decoration: none; font-weight: bold; font-size: 20px; padding: 8px 16px; transition: all 0.3s ease; border-radius: 5px; }
.nav-fixed-link:hover, .active-link:hover { background-color: #000000; color: #ffffff !important; }

/* Three Line Hamburger Icon Component Construction */
.hamburger-menu-btn { display: flex; flex-direction: column; justify-content: space-between; width: 25px; height: 18px; background: transparent !important; border: none !important; cursor: pointer; padding: 0; outline: none !important; }
.hamburger-menu-btn .bar { width: 100%; height: 3px; background-color: #ffffff; border-radius: 4px; transition: all 0.3s ease-in-out; }
.hamburger-menu-btn:hover .bar { background-color: #ff4757; }

/* Pop-Out Light-Mode Action Navigation Drawer Panel */
.menu-drawer-overlay { position: fixed; top: 0; right: -320px; width: 290px; height: 100vh; background: #ffffff !important; box-shadow: -8px 0 30px rgba(0, 0, 0, 0.2); transition: right 0.35s cubic-bezier(0.25, 0.8, 0.25, 1); z-index: 99999; padding: 40px 25px; display: flex; flex-direction: column; }
.menu-drawer-overlay.drawer-open { right: 0 !important; }
.menu-drawer-overlay { position: fixed; top: 0; right: -300px; width: 300px; height: 100%; background-color: #2c3e50; box-shadow: -5px 0 15px rgba(0,0,0,0.3); z-index: 9999; transition: right 0.4s ease-in-out;  padding: 20px; box-sizing: border-box; overflow-y: auto; }

/* Close button custom style */
.close-drawer-btn { background: none; border: none; color: #fff; font-size: 35px; cursor: pointer; position: absolute; top: 10px; right: 20px; }
.drawer-links-wrapper a { display: block; color: #ecf0f1; text-decoration: none; padding: 12px 10px; font-size: 1.05rem; border-bottom: 1px solid #34495e; transition: background 0.2s; }
.drawer-links-wrapper a:hover { background: #1abc9c; color: #fff; }
.drawer-section-title { display: block; color: #1abc9c; font-weight: bold; font-size: 0.9rem; text-transform: uppercase; margin: 25px 0 10px 0; }
.close-drawer-btn { position: absolute; top: 15px; right: 22px; background: transparent; border: none; font-size: 2.2rem; color: #88898b; cursor: pointer; line-height: 1; transition: color 0.2s; }
.close-drawer-btn:hover { color: #ff4757; }
.drawer-links-wrapper { display: flex; flex-direction: column; gap: 8px; margin-top: 35px; text-align: left; }
.drawer-section-title { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 1.8px; color: #a4b0be; font-weight: 700; margin: 15px 0 6px 0; border-bottom: 1px solid #f1f2f6; padding-bottom: 6px; }
.drawer-links-wrapper a { color: #2c3e50 !important; text-decoration: none !important; font-size: 1.02rem; font-weight: 600; padding: 11px 14px; border-radius: 8px; transition: all 0.25s ease; display: block; }
.drawer-links-wrapper a:hover { background: #fff0f1 !important; color: #ff4757 !important; padding-left: 22px; }

/* Header Container */
.header { position: relative; height: 623px; width: 100%; overflow: hidden; display: flex; align-items: center; justify-content: center; text-align: center; color: white; }
.header-slider { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.slide { position: absolute; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; animation: fadeSlider 15s infinite; }
.slide::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); }

/* Slider Timing Controls */
.slide:nth-child(1) { animation-delay: 0s; }
.slide:nth-child(2) { animation-delay: 5s; }
.slide:nth-child(3) { animation-delay: 10s; }
.header-content { position: relative; z-index: 2; }

@keyframes fadeSlider {
    0% { opacity: 0; }
    10% { opacity: 1; } 
    33% { opacity: 1; } 
    43% { opacity: 0; } 
    100% { opacity: 0; }
}

.logo { bottom: 50%; top: 10px; margin-bottom: 15px; border: 3px solid rgb(221, 217, 217); border-radius: 80px; position: absolute; transform: translate(-50%, -50%); }
.header h1 { font-size: 3rem; margin-top: 80px; }

/* Search Container */
.search-container { text-align: center; margin: 40px auto; max-width: 600px; padding: 0 20px; }
#myInput { width: 100%; padding: 15px 25px; font-size: 18px; border: none; border-radius: 50px; background: #ffffff; box-shadow: 0 0 10px rgba(0,0,0,0.1), 0 0 20px rgba(231, 76, 60, 0.2); outline: none; transition: all 0.4s ease; color: #333; }
.books { margin-top: 50px; padding-right: 150px; background-color: #000000; font-style: italic; color: #dd9999; }

/* Featured Categories - Systematic Layout */
.featured-categories { padding: 80px 20px; text-align: center; background: #ffffff; }
.section-title { font-size: 32px; color: #235d93; margin-bottom: 50px; font-weight: bold; text-transform: uppercase; letter-spacing: 1px; }
.category-grid { display: flex; justify-content: center; gap: 25px; flex-wrap: wrap; max-width: 1100px; margin: 0 auto; }
.category-card { background: rgba(118, 75, 162, 0.03); padding: 40px 25px; border-radius: 25px; width: 300px; border: 2px solid #eef0f2; transition: all 0.4s ease; }
.category-card:hover { transform: translateY(-15px); background: white; box-shadow: 0 20px 40px rgba(118, 75, 162, 0.15); border-color: #764ba2; }
.category-card .icon { font-size: 40px; margin-bottom: 15px; }
.category-card h3 { color: #755f9a; font-size: 22px; margin-bottom: 15px; }
.category-card p { color: #666; font-size: 14px; line-height: 1.6; }
.cat-btn { margin-top: 25px; display: inline-block; padding: 10px 30px; background: #5a617b; color: white; text-decoration: none; border-radius: 50px; font-weight: bold; transition: 0.3s; }

/* Wisdom/Quote Section */
.wisdom-section { padding: 100px 20px; background-size: cover; background-attachment: fixed; color: rgb(27, 22, 22); text-align: center; }
.quote-container { max-width: 900px; margin: 0 auto; }
.quote-box { margin: 40px 0; }
.quote-text { font-size: 23px; font-family: 'Georgia', serif; font-style: italic; line-height: 1.4; margin-bottom: 15px; }
.quote-author { font-size: 18px; color: #5065c0; font-weight: bold; display: block; margin-top: 10px; }
.quote-divider { height: 2px; width: 100px; background: rgba(255, 255, 255, 0.3); margin: 0 auto; }

/* CONTACT SECTION HOVER EFFECTS */
.premium-contact-section div[style*="display: flex; align-items: flex-start; gap: 15px;"] { transition: transform 0.3s ease, background-color 0.3s ease; padding: 10px; border-radius: 8px; }
.premium-contact-section div[style*="display: flex; align-items: flex-start; gap: 15px;"]:hover { transform: scale(1.05); background-color: #34495e; cursor: pointer; }
.premium-contact-section input, .premium-contact-section textarea { transition: transform 0.2s ease, border-color 0.2s ease; }
.premium-contact-section input:focus, .premium-contact-section textarea:focus, .premium-contact-section input:hover, .premium-contact-section textarea:hover { transform: scale(1.01); border-color: #1abc9c !important; }
.premium-contact-section button[type="submit"] { transition: transform 0.2s ease, background-color 0.2s ease; }
.premium-contact-section button[type="submit"]:hover { transform: scale(1.03); background-color: #1abc9c; }

/* Footer/About */
.main-footer { background: linear-gradient(135deg, #2c3e50 100%); color: white; padding: 70px 0 40px 0; font-family: 'Poppins', sans-serif; margin-top: 15px; }
.footer-content { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-around; flex-wrap: wrap; padding: 0 20px; }
.footer-section { flex: 1; padding: 50px; min-width: 250px; }
.footer-section h2, .footer-section h3 { color: #ffffff; margin-bottom: 20px; font-size: 30px; font-weight: bold; }
.footer-logo { font-size: 30px; font-weight: bold; }
.footer-section p { font-size: 17px; line-height: 1.6; opacity: 0.9; }
.footer-section ul li a:visited { color: white; }
.footer-section ul { padding-left: 25px; }
.footer-bottom { text-align: center; padding-top: 20px; margin-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.2); font-size: 18px; opacity: 0.7; }

/* About section styling logic */
.premium-about-section grid-template-columns, .premium-about-section div[style*="background: #34495e"] { transition: transform 0.3s ease, box-shadow 0.3s ease, border-left-color 0.3s ease !important; }
.premium-about-section div[style*="background: #34495e"]:hover { transform: scale(1.05); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3); cursor: pointer; }

/* Mobile Responsive Setup */
@media (max-width: 768px) {
    .custom-navbar { padding: 0 20px; }
    .nav-brand-title { font-size: 1.2rem; }
    .category-grid { gap: 15px; }
}
@media (max-width: 600px) {
    .header h1 { font-size: 2rem; }
    .nav-fixed-link { font-size: 15px; padding: 6px 10px; }
}