/* Modern, Eye-Catching CSS Styles */
:root {
    --primary-color: #4361ee;
    --primary-light: #4895ef;
    --secondary-color: #3f37c9;
    --accent-color: #f72585;
    --accent-light: #ff70a6;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --black: #000000;
    --success-color: #4cc9f0;
    --warning-color: #f8961e;
    --info-color: #577590;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

section {
    padding: 80px 0;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

h1 {
    font-size: 3rem;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--gray);
    font-size: 1.1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

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

.btn-primary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--gradient-accent);
    color: var(--white);
}

.btn-secondary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

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

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.auth-buttons {
    display: flex;
    gap: 15px;
    margin-left: 30px;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(72, 149, 239, 0.05) 100%);
    padding-top: 120px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
}

.hero-content {
    flex: 1;
    animation: fadeInUp 0.8s ease;
}

.hero-image {
    flex: 1;
    animation: fadeIn 1s ease;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
}

.subheading {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    margin-top: 2.5rem;
}

/* Featured Categories */
.featured-categories {
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

.category-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 2rem;
    box-shadow: var(--shadow-sm);
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.category-card p {
    color: var(--gray);
    margin-bottom: 25px;
    font-size: 1rem;
}

/* CDACC Section */
.cdacc-section {
    background-color: var(--white);
    position: relative;
}

.cdacc-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1581092918056-0c4c3acd3789?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    opacity: 0.03;
    z-index: 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.view-all {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.view-all:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
}

.resource-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.resource-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-accent);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

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

.resource-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.resource-card:hover .resource-image img {
    transform: scale(1.05);
}

.resource-details {
    padding: 25px;
}

.resource-details h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.resource-description {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 0.95rem;
    flex-wrap: wrap;
    gap: 10px;
}

.price {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.seller {
    color: var(--gray);
}

.rating {
    color: var(--warning-color);
    font-weight: 600;
}

.resource-actions {
    display: flex;
    gap: 12px;
}

/* Higher Education Section */
.higher-ed-section {
    background-color: #f9fafc;
    position: relative;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--light-gray);
    padding-bottom: 5px;
    overflow-x: auto;
    padding: 10px 5px 5px;
}

.tabs::-webkit-scrollbar {
    height: 5px;
}

.tabs::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 25px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray);
    position: relative;
    white-space: nowrap;
    border-radius: 30px;
    transition: var(--transition);
}

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

.tab-btn.active {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(67, 97, 238, 0.1);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

/* Why Choose Us */
.why-choose-us {
    background: linear-gradient(135deg, rgba(247, 37, 133, 0.05) 0%, rgba(67, 97, 238, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.05) 0%, transparent 70%);
    z-index: 0;
}

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

.benefit-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    z-index: 1;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-card i {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.benefit-card p {
    color: var(--gray);
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    opacity: 0.1;
    z-index: 0;
}

.cta-section h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    position: relative;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    position: relative;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 80px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: var(--gradient-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--white);
    position: relative;
    display: inline-block;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    font-size: 1rem;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-col ul li a i {
    font-size: 0.8rem;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border-radius: var(--border-radius-sm);
    border: none;
    font-family: inherit;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Responsive Styles */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    section {
        padding: 60px 0;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-links a {
        padding: 15px 0;
    }
    
    .auth-buttons {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subheading {
        font-size: 1.1rem;
    }
    
    .cta-section h2 {
        font-size: 2.2rem;
    }
    
    .cta-section p {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 50px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}
/* === About Page Styles === */
.about-section {
    background-color: var(--white);
    padding: 80px 0;
}
.about-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}
.about-section p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
}
.team-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}
.team-member {
    flex: 1 1 300px;
    text-align: center;
}
.team-member img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
    box-shadow: var(--shadow-sm);
}
.team-member h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
    color: var(--dark-color);
}
.team-member p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* === Contact Page Styles === */
.contact-section {
    background-color: var(--light-color);
    padding: 60px 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-top: 40px;
}
.contact-form {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    max-width: 700px;
    margin: auto;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: var(--light-gray);
    font-family: inherit;
    margin-bottom: 20px;
    font-size: 1rem;
}
.contact-form button {
    background: var(--gradient-accent);
    color: var(--white);
    transition: var(--transition);
}
.contact-form button:hover {
    transform: translateY(-2px);
}

/* === Cart & Checkout Styles === */
.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}
.cart-table th,
.cart-table td {
    padding: 15px;
    border-bottom: 1px solid var(--light-gray);
    text-align: left;
}
.cart-table input[type="number"] {
    width: 60px;
    padding: 6px 10px;
    font-size: 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--light-gray);
}
.cart-summary {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: right;
}
.btn-danger {
    background: var(--accent-color);
    color: var(--white);
}
.btn-danger:hover {
    background: var(--accent-light);
}

/* === FAQ / Terms / Privacy Pages === */
.faqs-section,
.privacy-section,
.terms-section {
    background-color: var(--white);
    padding: 80px 0;
}
.faqs-section h2,
.privacy-section h2,
.terms-section h2 {
    text-align: center;
    margin-bottom: 30px;
}
dl {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
dt {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--secondary-color);
}
dd {
    margin-left: 0;
    margin-bottom: 30px;
    color: var(--gray);
    line-height: 1.6;
}

/* === Buyer Account / Seller Dashboard === */
.account-section,
.seller-dashboard {
    background-color: var(--white);
    padding: 60px 0;
}
.order-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.order-table th,
.order-table td {
    padding: 15px;
    border-bottom: 1px solid var(--light-gray);
    vertical-align: top;
}
.order-table th {
    background-color: var(--light-gray);
    color: var(--dark-color);
}
.order-table td.actions {
    white-space: nowrap;
}
.order-table .btn {
    margin-right: 10px;
}

/* === Responsive Adjustments for All Pages === */
@media (max-width: 768px) {
    .team-grid {
        flex-direction: column;
        align-items: center;
    }
    .contact-form {
        padding: 20px;
    }
    .order-table,
    .cart-table {
        font-size: 0.9rem;
    }
    dt, dd {
        font-size: 0.95rem;
    }
}