/*
Theme Name: Skill2StartUp
Description: A modern learning management system theme for Skill2StartUp
Version: 1.0
Author: Skill2StartUp Team
*/

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1e1919;
    background-color: #ffffff;
}

/* Header Styles */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    background: linear-gradient(135deg, #475569, #1e293b);
    padding: 8px;
    border-radius: 8px;
    color: white;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-title {
    font-size: 24px;
    font-weight: bold;
    color: #1e293b;
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-navigation a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-navigation a:hover {
    color: #1e293b;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #cffafe 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1e293b;
}

.hero-content .highlight {
    background: linear-gradient(135deg, #3dd3ee, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-size: 14px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #3dd3ee, #0ea5e9);
    color: white;
    box-shadow: 0 10px 25px rgba(61, 211, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(61, 211, 238, 0.4);
}

.btn-secondary {
    background: white;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

/* Course Grid */
.courses-section {
    padding: 80px 0;
    background: white;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #1e293b;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

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

.course-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-content {
    padding: 25px;
}

.course-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #1e293b;
}

.course-instructor {
    color: #64748b;
    margin-bottom: 15px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #fbbf24;
}

.course-price {
    font-size: 24px;
    font-weight: bold;
    color: #1e293b;
}

.course-price-old {
    font-size: 16px;
    color: #94a3b8;
    text-decoration: line-through;
    margin-left: 10px;
}

/* Footer */
.site-footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3dd3ee;
}

/* Newsletter */
.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.newsletter-input {
    flex: 1;
    padding: 12px;
    border: 1px solid #475569;
    border-radius: 8px;
    background: #334155;
    color: white;
}

.newsletter-input::placeholder {
    color: #94a3b8;
}

.newsletter-btn {
    background: linear-gradient(135deg, #3dd3ee, #0ea5e9);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Authentication Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

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

.auth-content {
    background: white;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

.auth-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #64748b;
}

.auth-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    background: none;
    border: none;
    cursor: pointer;
    color: #64748b;
    font-weight: 500;
}

.auth-tab.active {
    color: #3dd3ee;
    border-bottom: 2px solid #3dd3ee;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #374151;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: #3dd3ee;
    box-shadow: 0 0 0 3px rgba(61, 211, 238, 0.1);
}