/* FreeGuitarLessons.org - Improved Styles for Better Readability */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #2c3e50; /* Darker text for better readability */
    background-color: #ffffff; /* Pure white background */
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Hero Section - Much Darker Background */
.hero-section, .bg-gradient-primary {
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 50%, #34495e 100%);
    color: #ffffff;
    padding: 4rem 0;
    text-align: left;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3); /* Dark overlay for extra contrast */
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* Ensure all text in hero is white and readable */
.hero-section h1,
.hero-section .display-4,
.hero-section p,
.hero-section .lead {
    color: #ffffff !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.hero-section .text-warning {
    color: #f39c12 !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: #e74c3c;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    color: white;
}

.btn-primary {
    background: #3498db;
    border-color: #3498db;
}

.btn-primary:hover {
    background: #2980b9;
    border-color: #2980b9;
    color: white;
}

.btn-success {
    background: #27ae60;
    border-color: #27ae60;
}

.btn-success:hover {
    background: #229954;
    border-color: #229954;
    color: white;
}

.btn-outline-primary {
    color: #3498db;
    border-color: #3498db;
    background: transparent;
}

.btn-outline-primary:hover {
    background: #3498db;
    border-color: #3498db;
    color: white;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Feature Icons */
.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    font-size: 2rem;
}

/* Video Cards */
.lesson-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.lesson-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
}

.video-thumbnail img {
    transition: transform 0.3s ease;
}

.lesson-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.lesson-card:hover .play-overlay {
    opacity: 1;
}

.skill-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
}

/* Background Sections */
.bg-light {
    background-color: #f8f9fa !important;
}

.bg-primary {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

.bg-dark {
    background-color: #1a252f !important;
}

/* Text Colors */
.text-muted {
    color: #6c757d !important;
}

.text-white {
    color: #ffffff !important;
}

/* Signup Form */
.signup-form {
    background: rgba(255,255,255,0.95) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.signup-form h5 {
    color: #2c3e50 !important;
}

.signup-form .text-muted {
    color: #6c757d !important;
}

/* Form Controls */
.form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Testimonials */
.testimonial {
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* Navigation */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.9);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #ffffff;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%) !important;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: #3498db !important;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .signup-form {
        margin-top: 2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
}

/* Alert Improvements */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Card Improvements */
.card {
    border-radius: 15px;
    overflow: hidden;
}

.card-body {
    padding: 1.5rem;
}

/* Video Container */
.video-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Stars */
.stars .fa-star {
    color: #f39c12 !important;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* Course Features */
.course-features .fa-check {
    color: #27ae60;
    font-weight: bold;
}