/* styles.css */

/* CSS Variables for Customization */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #6b5b95;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --text-light: #777;
    --bg-color: #fff;
    --bg-light: #f9f9f9;
    --border-color: #eaeaea;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --font-size: 16px;
    --font-family: 'Poppins', sans-serif;
    --heading-font: 'Poppins', sans-serif;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --primary-color: #6b8cbc;
    --secondary-color: #8a7bb0;
    --accent-color: #ff8a8a;
    --text-color: #f0f0f0;
    --text-light: #b0b0b0;
    --bg-color: #1a1a1a;
    --bg-light: #2a2a2a;
    --border-color: #444;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background-color: var(--bg-light);
}

/* Header */
.header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--primary-color);
}

.logo i {
    margin-right: 10px;
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav ul li {
    margin: 0 15px;
}

.nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav ul li a.active,
.nav ul li a:hover {
    color: var(--primary-color);
}

.nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-color) 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 30px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.hero-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.feature-card h3 {
    margin-bottom: 15px;
}

/* Content Showcase */
.content-showcase {
    padding: 80px 0;
}

.content-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.content-item {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.content-item:hover {
    transform: translateY(-5px);
}

.content-image {
    height: 200px;
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-item:hover .content-image img {
    transform: scale(1.05);
}

.content-details {
    padding: 20px;
}

.content-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    margin-top: 10px;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

/* PDF Download Specific Styles */
.pdf-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pdf-image i {
    font-size: 4rem;
    color: white;
    opacity: 0.9;
}

.pdf-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
}

.pdf-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.pdf-actions .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.download-stats {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.download-count {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* PDF Categories Section */
.pdf-categories {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.category-card {
    background-color: var(--bg-color);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    background-color: var(--primary-color);
    color: white;
}

.category-card:hover i,
.category-card:hover h3,
.category-card:hover p {
    color: white;
}

.category-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.category-card h3 {
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.category-card p {
    color: var(--text-light);
    margin: 0;
    transition: color 0.3s ease;
}

/* PDF Modal Styles */
.pdf-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.pdf-modal.active {
    display: flex;
}

.pdf-modal-content {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    width: 95%;
    height: 95%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.pdf-modal-header {
    padding: 15px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-light);
}

.pdf-modal-body {
    flex: 1;
    padding: 0;
}

.pdf-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.close-pdf {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.close-pdf:hover {
    background-color: var(--border-color);
}

/* Customization Panel */
.customization-panel {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.customization-options {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
}

.option-group {
    text-align: center;
}

.option-group h3 {
    margin-bottom: 20px;
}

.color-options {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--text-color);
}

.font-size-options,
.layout-options {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.font-size-btn,
.layout-btn {
    padding: 8px 15px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.font-size-btn.active,
.layout-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--bg-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--text-light);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    background-color: var(--bg-color);
    color: var(--text-color);
}

.newsletter-form button {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content,
    .hero-image {
        flex: none;
        width: 100%;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .customization-options {
        flex-direction: column;
        align-items: center;
    }
    
    .pdf-actions {
        flex-direction: column;
    }
    
    .pdf-actions .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        margin-bottom: 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .pdf-modal-content {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}