/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}


body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0066ff, #6600cc);
    min-height: 100vh;
    color: white;
    position: relative;
    overflow-x: hidden;
}

/* Main content wrapper */
.main-content {
    padding-top: 70px; /* Height of nav */
    position: relative;
    z-index: 1;
}

/* Floating music notes animation */
@keyframes float {
    0% { transform: translateY(0) rotate(0deg); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

.floating-notes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.note {
    position: absolute;
    color: rgb(255, 255, 255);
    font-size: 2rem;
    animation: float 15s linear infinite;
}

/* Glass effect */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navigation */
.glass-nav {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    height: 70px;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
}

.nav-links a:hover {
    color: #00FCFF;
    text-shadow: 0 0 20px #00FCFF;
}

/* Sections */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
}

/* Home Section */
#home .glass-card {
    text-align: center;
    max-width: 800px;
}

#home h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

#home h2 {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}


#home p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}


/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Register Section Styles */
.register-container {
    text-align: center;
    max-width: 600px;
    margin: 2rem auto;
}

.register-container p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.register-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
    background: linear-gradient(90deg, #00FCFF, #6600cc);
    border-radius: 50px;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.register-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    background: linear-gradient(180deg, #33FDFF, #7733cc);
}

.register-button:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
}


/* About Section */

#about .glass-card {
    text-align: center;
    max-width: 800px;
    padding: 4rem;
}

#about h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

#about p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
}

.music-player {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.song-info {
    text-align: center;
    margin-bottom: 2rem;
}

.song-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.song-artist {
    color: rgba(255, 255, 255, 0.7);
}

.progress-area {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.progress {
    height: 100%;
    background: #00FCFF;
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

.time {
    display: flex;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.control-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

#play-pause {
    font-size: 1.8rem;
    background: rgba(0, 252, 255, 0.2);
}

#play-pause:hover {
    background: rgba(0, 252, 255, 0.3);
}


/* Course Section */

#courses .glass-card {
    text-align: center;
    max-width: 1200px;
    padding: 4rem;
}

.pricing-header {
    margin-bottom: 4rem;
}

.pricing-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.pricing-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 0 auto;
}

.course-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.course-card:hover {
    background: rgba(0, 252, 255, 0.1);
    border-color: rgba(0, 252, 255, 0.3);
    transform: translateY(-10px);
}

.course-card.highlighted:hover {
    transform: translateY(-15px);
}

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.price-tag {
    margin: 1.5rem 0;
    color: #00FCFF;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.2rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: bold;
}

.amount {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1;
}

.period {
    font-size: 1rem;
    opacity: 0.8;
    margin-left: 0.2rem;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    text-align: left;
    width: 100%;
}

.features-list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.get-plan-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: auto;
}

.highlighted .get-plan-btn {
    background: rgba(0, 252, 255, 0.2);
    border-color: rgba(0, 252, 255, 0.3);
}

.get-plan-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.highlighted .get-plan-btn:hover {
    background: rgba(0, 252, 255, 0.3);
}

/* Register Section */

#register .glass-card {
    text-align: center;
    max-width: 800px;
}

#register h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

#register h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}


#register p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}

.register-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: auto;
}

.register-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}


/* Mobile Menu Button */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    padding: 3px;
}

.menu-btn span {
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Contact Form Popup Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.popup-content {
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(0, 0, 50, 0.3) !important;
    border-radius: 15px;
    padding: 2rem !important;
    position: relative;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 1rem;
}

.popup-header h2 {
    margin: 0;
    color: white;
    font-size: 1.8rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.close-popup {
    font-size: 2rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-popup:hover {
    color: #00FCFF;
    text-shadow: 0 0 10px #00FCFF;
}

#contactForm {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    position: relative;
}

/* Custom select styling */
.form-group select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

/* Style for the options within the select */
.form-group select option {
    background-color: #1a1a3a;
    color: white;
    padding: 12px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #00FCFF;
    box-shadow: 0 0 0 2px rgba(0, 252, 255, 0.3);
}

.payment-section {
    margin-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
}

.payment-section h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.qr-code img {
    max-width: 200px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.qr-code p {
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    font-size: 0.9rem;
}

.submit-button {
    background: linear-gradient(90deg, #00FCFF, #6600cc);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    text-align: center;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    background: linear-gradient(90deg, #33FDFF, #7733cc);
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.form-status.processing {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid rgba(255, 193, 7, 0.4);
}

.form-status.success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid rgba(40, 167, 69, 0.4);
}

.form-status.error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.4);
}

.form-status p {
    margin: 0;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: auto;
        background: #000f2b;
        flex-direction: column;
        padding: 1rem 0;
        text-align: center;
        z-index: 1000;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem 0;
        width: 100%;
        color: white;
        font-size: 1.1rem;
    }

    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
    }

    /* Mobile menu button animation */
    .menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .section {
        padding: 2rem 1rem;
    }

    .glass-card {
        padding: 1.5rem;
        width: 100%;
    }

    #home h1 {
        font-size: 2.5rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .course-card.highlighted {
        transform: none;
    }

    .course-card:hover {
        transform: translateY(-5px);
    }
    
    #courses .glass-card {
        padding: 2rem;
    }
    
    .pricing-header h2 {
        font-size: 2.5rem;
    }

    #about .glass-card {
        padding: 2rem;
    }
    
    #about h2 {
        font-size: 2.5rem;
    }
    
    .music-player {
        padding: 1.5rem;
    }

    .popup-content {
        width: 95%;
        padding: 1.5rem !important;
    }
    
    .popup-header h2 {
        font-size: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .submit-button {
        padding: 0.7rem;
    }
    
    .form-group select {
        padding-right: 2.5rem;
    }

}