:root {
    --primary-blue: #1a365d;
    --accent-gold: #d4af37;
    --light-bg: #f8f9fa;
    --dark-text: #2c2c2c;
    --paper-bg: #fef9e8;
    --transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    --shadow: 0 15px 35px rgba(0,0,0,0.1);
    --shadow-hover: 0 25px 45px rgba(0,0,0,0.15);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--dark-text);
    background: var(--paper-bg);
    overflow-x: hidden;
}

/* Tracking table & admin forms */
.admin-form-group { margin-bottom: 1rem; }
.admin-form-group label { font-weight: 600; display: block; margin-bottom: 5px; }
.admin-table img { width: 50px; height: 50px; object-fit: cover; border-radius: 8px; }
.btn-small { padding: 4px 12px; font-size: 12px; border-radius: 20px; cursor: pointer; background: #1a365d; color: white; border: none; }
#updateTrackingBox, #replyBox { transition: 0.3s; }

/* Marquee auto-scroll for featured books */
.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}
.marquee-track {
    display: flex;
    gap: 1.5rem;
    animation: scrollLeft 30s linear infinite;
    width: max-content;
}
.marquee-track:hover {
    animation-play-state: paused;
}
@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.book-card {
    flex: 0 0 200px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}
/* Admin Panel Styles */
.admin-wrapper {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow);
}
.admin-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 2px solid #eee;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}
.admin-tab {
    padding: 0.8rem 1.8rem;
    background: none;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 30px;
}
.admin-tab.active {
    background: var(--primary-blue);
    color: white;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
.admin-table th, .admin-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
.admin-table th {
    background: var(--primary-blue);
    color: white;
}
.admin-form {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 16px;
    margin-top: 1.5rem;
}
.admin-form-group {
    margin-bottom: 1rem;
}
.admin-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
}
.admin-form-group input, .admin-form-group select, .admin-form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
}
.btn-small {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 20px;
}

/* Floating Background */
.floating-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}
.floating-bg .particle {
    position: absolute;
    background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, rgba(212,175,55,0) 70%);
    border-radius: 50%;
    animation: floatAround 20s infinite ease-in-out;
}
@keyframes floatAround {
    0% { transform: translate(0,0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { transform: translate(var(--dx, 200px), var(--dy, -200px)) rotate(360deg); opacity: 0; }
}
.floating-bg .book-page {
    position: absolute;
    background: rgba(212,175,55,0.08);
    backdrop-filter: blur(2px);
    border-radius: 4px;
    animation: driftBook 25s infinite alternate;
}
@keyframes driftBook {
    0% { transform: translate(0,0) rotate(0deg); opacity: 0.2; }
    100% { transform: translate(var(--moveX, 100px), var(--moveY, 80px)) rotate(var(--rotEnd, 15deg)); opacity: 0.5; }
}

/* Header */
header {
    background: rgba(26,54,93,0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(212,175,55,0.3);
}
.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { 
    height: 52px; 
    width: 52px; 
    border-radius: 50%; 
    object-fit: cover; 
}
.logo-main { font-size: 1.9rem; font-weight: 800; color: var(--accent-gold); line-height: 1; }
.logo-sub { font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; }
nav ul { display: flex; gap: 2rem; list-style: none; }
nav a { color: white; text-decoration: none; font-weight: 500; position: relative; padding: 0.5rem 0; }
nav a:hover, nav a.active { color: var(--accent-gold); }
nav a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background: var(--accent-gold);
    transition: 0.3s;
}
nav a:hover::after { width: 100%; }
.mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }

/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(26,54,93,0.85), rgba(26,54,93,0.95)), url('https://images.unsplash.com/photo-1495653797063-114787b77b23?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-attachment: fixed;
    color: white;
    padding: 10rem 0 7rem;
    text-align: center;
    border-bottom: 6px solid var(--accent-gold);
}
.hero h1 { font-size: 4rem; margin-bottom: 1.2rem; animation: fadeInUp 1s ease; }
.hero p { font-size: 1.25rem; max-width: 700px; margin: 0 auto 2rem; }
.hero-btns { display: flex; justify-content: center; gap: 1.2rem; }

/* Buttons */
.btn {
    display: inline-block; background: var(--accent-gold); color: var(--primary-blue);
    padding: 0.8rem 2rem; border-radius: 40px; text-decoration: none; font-weight: 700;
    transition: var(--transition); border: 2px solid var(--accent-gold);
}
.btn:hover { background: transparent; color: var(--accent-gold); transform: translateY(-6px); }
.btn-outline { background: transparent; color: var(--accent-gold); }
.btn-outline:hover { background: var(--accent-gold); color: var(--primary-blue); }

/* Sections */
section { padding: 5rem 0; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 2; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { font-size: 2.8rem; color: var(--primary-blue); display: inline-block; position: relative; padding-bottom: 0.8rem; }
.section-title h2::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 100px; height: 3px; background: var(--accent-gold);
}

/* Featured Books - HORIZONTAL BELT (flex row, no wrap, scrollable) */
.books-slider {
    overflow-x: auto;
    scrollbar-width: thin;
    padding: 1rem 0;
    -webkit-overflow-scrolling: touch;
}
.books-track {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 1.5rem;
    width: max-content;
}
.book-card {
    flex: 0 0 200px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.book-cover {
    height: 260px;
    overflow: hidden;
}
.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}
.book-card:hover .book-cover img { transform: scale(1.05); }
.book-info {
    padding: 0.8rem;
}
.book-info h3 { font-size: 1rem; margin-bottom: 0.2rem; color: var(--primary-blue); }
.book-info p { font-size: 0.8rem; }
.book-price { font-weight: 700; color: var(--accent-gold); font-size: 0.9rem; }
.book-status {
    display: inline-block; padding: 0.2rem 0.5rem; border-radius: 20px;
    font-size: 0.65rem; font-weight: 600; margin-top: 0.3rem;
}
.status-upcoming { background: #e6f7ff; color: #1890ff; }
.status-new { background: #f6ffed; color: #52c41a; }
.slider-nav {
    display: flex; justify-content: center; gap: 1rem; margin-top: 1.5rem;
}
.slider-btn {
    background: var(--primary-blue); color: white; border: none; width: 40px; height: 40px;
    border-radius: 50%; cursor: pointer; transition: 0.3s;
}
.slider-btn:hover { background: var(--accent-gold); color: var(--primary-blue); }

/* Services Grid */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2.5rem; }
.service-card {
    background: white; padding: 2rem; border-radius: 20px; box-shadow: var(--shadow);
    transition: var(--transition); text-align: center; border: 1px solid rgba(212,175,55,0.2);
}
.service-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-hover); border-color: var(--accent-gold); }
.service-icon {
    width: 90px; height: 90px; background: rgba(212,175,55,0.1); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem;
    transition: 0.5s;
}
.service-card:hover .service-icon { background: var(--accent-gold); transform: rotateY(360deg); }
.service-icon i { font-size: 2.5rem; color: var(--accent-gold); }
.service-card:hover .service-icon i { color: white; }
.request-btn {
    margin-top: 1.5rem; background: var(--primary-blue); color: white; border: none;
    padding: 0.6rem 1.5rem; border-radius: 30px; font-weight: 600; cursor: pointer;
}
.request-btn:hover { background: var(--accent-gold); color: var(--primary-blue); }

/* About Section */
.about-section {
    background: white;
    padding: 4rem 0;
    text-align: center;
}
.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}
.about-btn {
    margin-top: 2rem;
}

/* Plans */
.plans { background: var(--light-bg); }
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.plan-card {
    background: white; border-radius: 24px; overflow: hidden; transition: var(--transition); box-shadow: var(--shadow); position: relative;
}
.plan-card:hover { transform: translateY(-12px); }
.feature-badge {
    position: absolute; top: 20px; right: -25px; background: var(--accent-gold);
    padding: 0.4rem 2rem; transform: rotate(45deg); font-weight: bold; font-size: 0.8rem;
    display: none; /* hidden by default */
}
.plan-card:hover .feature-badge {
    display: block; /* show only on hover */
}
.plan-header { background: var(--primary-blue); color: white; padding: 2rem; text-align: center; }
.plan-price { font-size: 2.2rem; color: var(--accent-gold); font-weight: 800; }
.plan-features { padding: 2rem; }
.plan-features ul { list-style: none; margin-bottom: 2rem; }
.plan-features li { padding: 0.5rem 0; border-bottom: 1px solid #eee; display: flex; align-items: center; }
.plan-features i { color: var(--accent-gold); margin-right: 0.8rem; }

/* Testimonials - book style */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.testimonial-card {
    background: #fef7e6;
    border-left: 6px solid var(--accent-gold);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    position: relative;
    font-family: 'Georgia', serif;
}
.testimonial-card::before {
    content: "“";
    font-size: 4rem;
    color: var(--accent-gold);
    opacity: 0.3;
    position: absolute;
    top: -10px;
    left: 15px;
}
.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.author-avatar {
    width: 60px; height: 60px; border-radius: 50%; background: var(--accent-gold);
    color: var(--primary-blue); display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.2rem;
}

/* Contact Section - same dark color as header */
.contact {
    background: rgba(26,54,93,0.95);
    color: white;
}
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 3rem; }
.contact-info {
    background: rgba(0,0,0,0.2);
    padding: 2rem;
    border-radius: 20px;
}
.contact-info h3 { color: var(--accent-gold); margin-bottom: 1.5rem; }
.contact-info p { margin-bottom: 1rem; display: flex; align-items: center; gap: 0.8rem; }
.contact-info i { color: var(--accent-gold); width: 20px; }
.contact-form {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 20px;
}
.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%; padding: 10px 12px; border: 1px solid rgba(255,255,255,0.3);
    border-radius: 12px; background: rgba(255,255,255,0.15); color: white;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.7); }
.contact-form .btn { width: 100%; margin-top: 0.5rem; }

/* Social Links (footer and contact) */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}
.social-links a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; background: rgba(255,255,255,0.1);
    border-radius: 50%; color: white; transition: 0.3s;
}
.social-links a:hover {
    background: var(--accent-gold); color: #0a1a2e; transform: translateY(-3px);
}

/* Footer - same dark color as header */
footer {
    background: rgba(26,54,93,0.95);
    color: #e0e0e0;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(212,175,55,0.3);
}
.footer-content {
    display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.5rem;
}
.footer-content .logo-main { font-size: 2rem; }
.footer-content .logo-sub { font-size: 0.8rem; }
.copyright { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.copyright span { color: var(--accent-gold); font-weight: 600; }

/* Modal styles */
.modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8); backdrop-filter: blur(5px); z-index: 2000;
    justify-content: center; align-items: center;
}
.modal-content {
    background: white; max-width: 550px; width: 90%; border-radius: 28px; padding: 2rem;
    position: relative; max-height: 85vh; overflow-y: auto;
}
.close-modal { position: absolute; right: 20px; top: 15px; font-size: 28px; cursor: pointer; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 12px;
}
.submit-service-btn {
    background: var(--accent-gold); border: none; padding: 12px; width: 100%;
    border-radius: 40px; font-weight: bold; cursor: pointer;
}
.toast-msg {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
    background: #1a365d; color: white; padding: 12px 24px; border-radius: 50px;
    z-index: 2100; display: none;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in, .fade-in-left, .fade-in-right, .zoom-in {
    opacity: 0; transition: all 0.8s ease;
}
.fade-in { transform: translateY(30px); }
.fade-in-left { transform: translateX(-50px); }
.fade-in-right { transform: translateX(50px); }
.zoom-in { transform: scale(0.9); }
.animate-active {
    opacity: 1; transform: translate(0) scale(1);
}

/* Stagger delays */
.services-grid .service-card:nth-child(1), .plans-grid .plan-card:nth-child(1), .testimonial-grid .testimonial-card:nth-child(1) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(2), .plans-grid .plan-card:nth-child(2), .testimonial-grid .testimonial-card:nth-child(2) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(3), .plans-grid .plan-card:nth-child(3), .testimonial-grid .testimonial-card:nth-child(3) { transition-delay: 0.3s; }
.services-grid .service-card:nth-child(4), .plans-grid .plan-card:nth-child(4) { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.8rem; }
    .mobile-menu-btn { display: block; }
    nav {
        position: fixed; top: 80px; left: 0; width: 100%; background: var(--primary-blue);
        transform: translateY(-150%); transition: 0.3s; opacity: 0; visibility: hidden;
    }
    nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
    nav ul { flex-direction: column; gap: 0; text-align: center; }
    nav li a { display: block; padding: 1rem; }
    .book-card { flex: 0 0 180px; }
    .book-cover { height: 220px; }
}
@media (max-width: 576px) {
    .hero h1 { font-size: 2rem; }
    .section-title h2 { font-size: 2rem; }
    .book-card { flex: 0 0 160px; }
    .book-cover { height: 200px; }
}