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

:root {
    /* Light Theme */
    --primary-color: #00d4ff;
    --secondary-color: #0088ff;
    --accent-color: #7b42ff;
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff3366;
    
    --background-light: #0a0e17;
    --background-dark: #050811;
    --surface-light: #111827;
    --surface-dark: #0d1422;
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    --border-color: #2d3748;
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    --gradient-accent: linear-gradient(135deg, #ff3366, #ffaa00);
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

.light-theme {
    --background-light: #f8fafc;
    --background-dark: #e2e8f0;
    --surface-light: #ffffff;
    --surface-dark: #f1f5f9;
    
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    --border-color: #cbd5e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Exo 2', sans-serif;
    background: var(--background-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Fluid Typography */
@media (max-width: 768px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-btn {
    background: var(--gradient-primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.theme-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.theme-btn .fa-sun {
    display: block;
}

.theme-btn .fa-moon {
    display: none;
}

.light-theme .theme-btn .fa-sun {
    display: none;
}

.light-theme .theme-btn .fa-moon {
    display: block;
}

/* Responsive Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 8, 17, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease;
    padding: var(--spacing-sm);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.crypto-modal {
    background: var(--surface-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    width: 100%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 10;
}

.close-modal:hover {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

/* Header & Navigation */
.main-header {
    background: var(--surface-light);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    width: 100%;
}

.navbar {
    padding: 1rem 0;
    width: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--spacing-sm);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: clamp(1rem, 2vw, 1.3rem);
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}

.logo-sub {
    font-size: clamp(0.6rem, 1.5vw, 0.8rem);
    color: var(--text-secondary);
    letter-spacing: 1px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 0.5rem 0.8rem;
    border-radius: var(--border-radius);
    font-size: clamp(0.8rem, 1vw, 1rem);
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.register-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.register-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 0.8rem;
    }
    
    .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--surface-light);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: 0 10px 30px var(--shadow-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        justify-content: flex-start;
        font-size: 1rem;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
    background: var(--background-dark);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.floating-coins i {
    position: absolute;
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: rgba(0, 212, 255, 0.2);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    padding: 0.6rem 1.2rem;
    margin-bottom: var(--spacing-lg);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    color: var(--primary-color);
    white-space: nowrap;
}

.hero-title {
    font-size: clamp(1.8rem, 6vw, 3.5rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.title-line {
    display: block;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.6;
    padding: 0 var(--spacing-sm);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: clamp(1rem, 4vw, var(--spacing-xl));
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 100px;
    flex: 1;
}

.stat-number {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    font-family: 'Orbitron', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    white-space: nowrap;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: clamp(0.8rem, 2vw, 1rem) clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Exo 2', sans-serif;
    position: relative;
    overflow: hidden;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

.btn-glow {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3); }
    to { box-shadow: 0 4px 30px rgba(0, 212, 255, 0.6); }
}

.btn-subtext {
    font-size: clamp(0.7rem, 1.2vw, 0.8rem);
    opacity: 0.9;
    margin-left: 8px;
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

/* Responsive Hero Section */
@media (max-width: 768px) {
    .hero-section {
        padding: var(--spacing-lg) 0;
        min-height: 80vh;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-item {
        width: 100%;
    }
}

/* Sections */
.section {
    padding: clamp(var(--spacing-lg), 8vw, var(--spacing-xl)) 0;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(var(--spacing-lg), 6vw, var(--spacing-xl));
    padding: 0 var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    word-wrap: break-word;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Curriculum */
.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
}

.curriculum-card {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.curriculum-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
}

.curriculum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
    border-color: var(--primary-color);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    color: white;
}

.curriculum-card h3 {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.curriculum-card ul {
    list-style: none;
}

.curriculum-card li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
    line-height: 1.4;
}

.curriculum-card li i {
    color: var(--success-color);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* Benefits */
.benefits-section {
    background: var(--background-dark);
    width: 100%;
}

.benefits-container {
    background: var(--surface-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    width: 100%;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--surface-dark);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.benefit-card h4 {
    margin-bottom: 0.5rem;
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.3;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    line-height: 1.5;
    flex-grow: 1;
}

/* Testimonials */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: var(--spacing-md);
    padding: 0 var(--spacing-sm);
}

.testimonial-card {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    position: relative;
    height: 100%;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: clamp(3rem, 6vw, 4rem);
    color: var(--primary-color);
    opacity: 0.2;
    font-family: serif;
}

.testimonial-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    line-height: 1.5;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-shrink: 0;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: clamp(0.9rem, 2vw, 1rem);
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.author-info p {
    color: var(--text-muted);
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    line-height: 1.2;
}

/* Contact Form */
.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    width: 100%;
}

.contact-form .form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    transition: var(--transition);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.response-message {
    margin-top: var(--spacing-md);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    display: none;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.response-message.success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    display: block;
}

.response-message.error {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    display: block;
}

/* Footer */
.main-footer {
    background: var(--surface-dark);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-logo img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.footer-logo-text h3 {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.footer-logo-text p {
    color: var(--text-secondary);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    line-height: 1.4;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.2;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: var(--transition);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    line-height: 1.4;
}

.footer-column a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    line-height: 1.4;
}

/* Registration Page Styles */
.simple-header {
    background: var(--surface-light);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.simple-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.back-home {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: var(--transition);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    white-space: nowrap;
}

.back-home:hover {
    gap: 12px;
}

.registration-section {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 200px);
    width: 100%;
}

.registration-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-sm);
}

.registration-header h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.registration-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.5;
}

.discount-banner {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-top: var(--spacing-md);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
}

.discount-banner i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.registration-stepper {
    background: var(--surface-light);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    width: 100%;
}

.step-indicator {
    display: flex;
    background: var(--surface-dark);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
    opacity: 0.5;
    transition: var(--transition);
    min-width: 100px;
    flex-shrink: 0;
}

.step.active {
    opacity: 1;
}

.step::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
}

.step:last-child::after {
    display: none;
}

.step.active::after {
    background: var(--gradient-primary);
}

.step.active .step-number {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
    z-index: 1;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 1rem;
}

.step-label {
    font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step-panel {
    display: none;
    padding: var(--spacing-lg);
    width: 100%;
}

.step-panel.active {
    display: block;
}

/* Responsive Stepper */
@media (max-width: 768px) {
    .step::after {
        display: none;
    }
    
    .step-indicator {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .step {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--spacing-sm);
        width: 100%;
        min-width: auto;
    }
    
    .step-number {
        flex-shrink: 0;
    }
    
    .step-label {
        text-align: left;
    }
    
    .step-panel {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .step-panel {
        padding: var(--spacing-sm);
    }
}

/* Payment Instructions */
.payment-instructions {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.payment-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    flex: 1;
    min-width: 200px;
}

.payment-amount {
    text-align: right;
    flex-shrink: 0;
}

.original-price {
    display: block;
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

.discounted-price {
    display: block;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 900;
    font-family: 'Orbitron', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.discount-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    margin-top: 0.5rem;
}

.payment-method {
    background: var(--surface-dark);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: var(--transition);
    width: 100%;
}

.payment-method.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.method-header {
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.method-header i {
    color: var(--primary-color);
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    flex-shrink: 0;
}

.method-details {
    padding: var(--spacing-md);
}

.payment-code {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
}

.code-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-sm);
    min-width: 300px;
}

.code-item:last-child {
    border-bottom: none;
}

.code-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    flex-shrink: 0;
}

.code-value {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    color: var(--primary-color);
    font-size: clamp(0.9rem, 1.8vw, 1.1rem);
    word-break: break-all;
    text-align: right;
}

.copy-btn {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 0.9rem;
}

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

.payment-steps {
    margin-top: var(--spacing-md);
}

.payment-steps h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 1.8vw, 1rem);
}

.payment-steps ol {
    padding-left: 1.5rem;
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.payment-steps li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
    line-height: 1.5;
}

.payment-steps strong {
    color: var(--primary-color);
}

.payment-note {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.payment-note i {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.payment-note p {
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    line-height: 1.5;
}

.step-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.next-step {
    min-width: min(250px, 100%);
}

/* Registration Form */
.registration-form-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.form-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.5;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    transition: var(--transition);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    line-height: 1.4;
}

.terms-agreement {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--surface-dark);
    border-radius: var(--border-radius);
}

.terms-agreement input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
}

.terms-agreement label {
    color: var(--text-secondary);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
}

.terms-agreement a {
    color: var(--primary-color);
    text-decoration: none;
}

.terms-agreement a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.prev-step {
    min-width: min(150px, 100%);
}

/* Success Container */
.success-container {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.success-icon {
    width: clamp(80px, 20vw, 100px);
    height: clamp(80px, 20vw, 100px);
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: clamp(2rem, 5vw, 3rem);
    color: white;
    animation: successScale 0.5s ease;
}

@keyframes successScale {
    0% { transform: scale(0); }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-container h2 {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1.5rem, 4vw, 2rem);
    line-height: 1.2;
}

.success-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.5;
}

/* WhatsApp Group */
.whatsapp-group {
    background: var(--surface-dark);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--border-color);
}

.whatsapp-group h3 {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #25D366;
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    flex-wrap: wrap;
}

.whatsapp-group p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.5;
}

.whatsapp-link-container {
    margin: var(--spacing-lg) 0;
}

.whatsapp-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    background: #25D366;
    color: white;
    padding: clamp(1rem, 3vw, 1.5rem) clamp(2rem, 4vw, 3rem);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    transition: var(--transition);
    margin-bottom: var(--spacing-md);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn small {
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    opacity: 0.9;
    font-weight: 400;
}

.whatsapp-note {
    color: var(--text-muted);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    line-height: 1.4;
}

.whatsapp-note i {
    color: var(--warning-color);
    flex-shrink: 0;
}

/* Next Steps */
.next-steps {
    background: var(--surface-dark);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.next-steps h4 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    font-size: clamp(1rem, 2.5vw, 1.1rem);
}

.next-steps ul {
    list-style: none;
}

.next-steps li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    line-height: 1.5;
}

.next-steps li i {
    color: var(--success-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Contact Support */
.contact-support {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.contact-support p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-align: center;
}

.support-contacts {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.support-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    white-space: nowrap;
}

.support-link:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-color);
}

/* Simple Footer */
.simple-footer {
    background: var(--surface-dark);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    width: 100%;
}

.simple-footer .footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.simple-footer p {
    color: var(--text-muted);
    font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    line-height: 1.4;
}

.simple-footer .footer-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.simple-footer .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    transition: var(--transition);
    white-space: nowrap;
}

.simple-footer .footer-links a:hover {
    color: var(--primary-color);
}

/* Enhanced Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 95%;
    }
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .payment-amount {
        text-align: left;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 70vh;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .curriculum-grid,
    .benefits-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: var(--spacing-md);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .step-indicator {
        padding: var(--spacing-sm);
    }
    
    .payment-header h2 {
        font-size: 1.3rem;
    }
    
    .discounted-price {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
    }
    
    .theme-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .prev-step,
    #submitRegistration {
        width: 100%;
    }
    
    .whatsapp-btn {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .support-contacts {
        flex-direction: column;
        align-items: center;
    }
    
    .support-link {
        width: 100%;
        justify-content: center;
        max-width: 300px;
    }
}

/* Landscape Mode Optimizations */
@media (max-height: 600px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-stats {
        margin: var(--spacing-md) 0;
    }
    
    .nav-menu {
        max-height: 50vh;
    }
    
    .modal {
        padding: var(--spacing-xs);
    }
    
    .crypto-modal {
        max-height: 80vh;
    }
}

/* Tablet Optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Prevent horizontal scroll */
html, body {
    overflow-x: hidden;
    max-width: 100%;
}

/* Touch-friendly elements */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .copy-btn,
    .support-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    input,
    select,
    textarea {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
}

/* Print Styles */
@media print {
    .theme-toggle,
    .menu-toggle,
    .nav-menu,
    .btn,
    .floating-coins,
    .whatsapp-btn,
    .support-link {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
    
    .container {
        max-width: 100% !important;
    }
}