/* Reset e Configurações Gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

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

/* Header */
.main-header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
    display: flex;
    align-items: center;
}

.main-header .container {
    padding: 0 20px;
    width: 100%;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin: 0 -20px;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 60px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: #2BB0B5;
    text-decoration: none;
}

.back-link {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #2BB0B5;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 4rem 0;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 50 Q 25 25, 50 50 T 100 50" stroke="rgba(43,176,181,0.1)" fill="none" stroke-width="2"/></svg>') repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.launch-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.badge-text {
    background: linear-gradient(135deg, #E87E10, #EDAC40);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 2px;
    box-shadow: 0 4px 15px rgba(232, 126, 16, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(232, 126, 16, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(232, 126, 16, 0.6);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #2BB0B5, #EDAC40);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #ddd;
    max-width: 800px;
    margin: 0 auto;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: #1a1a2e;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 15px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #2BB0B5;
    box-shadow: 0 10px 30px rgba(43, 176, 181, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #2BB0B5;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card > p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2BB0B5;
    font-weight: bold;
}

/* Instructor Section */
.instructor-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.instructor-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 3rem;
    align-items: center;
}

.instructor-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.instructor-info h2 {
    font-size: 2rem;
    color: #1a1a2e;
    margin-bottom: 0.5rem;
}

.instructor-role {
    color: #E87E10;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.instructor-info p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.instructor-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #2BB0B5;
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
}

/* Registration Section */
.registration-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.registration-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.registration-title {
    font-size: 2rem;
    font-weight: 800;
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 1rem;
}

.registration-subtitle {
    text-align: center;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* Alerts */
.alert {
    padding: 1.5rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    animation: slideIn 0.4s ease;
}

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

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border: 2px solid #28a745;
    color: #155724;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.alert-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border: 2px solid #dc3545;
    color: #721c24;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.2);
}

.alert-icon {
    font-size: 1.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.alert span:last-child {
    line-height: 1.6;
    flex: 1;
}

/* Modal Styles */
.modal-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: 9999;
    animation: fadeInOverlay 0.3s ease;
    backdrop-filter: blur(5px);
}

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

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.4s ease;
    text-align: center;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content.error-modal {
    border-top: 5px solid #dc3545;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: #f0f0f0;
    color: #333;
    transform: rotate(90deg);
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    animation: scaleIn 0.5s ease 0.2s backwards;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-icon.success-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
}

.modal-icon.error-icon {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    box-shadow: 0 10px 30px rgba(220, 53, 69, 0.3);
}

.modal-body {
    color: #333;
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.modal-body strong {
    color: #2BB0B5;
}

.modal-button {
    background: linear-gradient(135deg, #2BB0B5, #1a9da3);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(43, 176, 181, 0.3);
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(43, 176, 181, 0.4);
}

.modal-button:active {
    transform: translateY(0);
}

.error-modal .modal-button {
    background: linear-gradient(135deg, #dc3545, #c82333);
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.3);
}

.error-modal .modal-button:hover {
    box-shadow: 0 12px 30px rgba(220, 53, 69, 0.4);
}


/* Form */
.registration-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: #2BB0B5;
    box-shadow: 0 0 0 3px rgba(43, 176, 181, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, #2BB0B5, #1a9da3);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 8px 25px rgba(43, 176, 181, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(43, 176, 181, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.submit-btn:hover .btn-icon {
    transform: translateX(5px);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: #999;
    margin-top: 1rem;
    font-style: italic;
}

/* Footer */
.main-footer {
    background: #1a1a2e;
    color: white;
    padding: 3rem 0 2rem;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 0.5rem;
}

.footer-copyright {
    margin: 0.5rem 0;
}

.footer-links {
    margin: 0.5rem 0;
}

.main-footer a {
    color: #2BB0B5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.main-footer a:hover {
    color: #EDAC40;
}

/* Responsive */
@media (max-width: 992px) {
    .instructor-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .instructor-image {
        max-width: 350px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .instructor-stats {
        grid-template-columns: 1fr;
    }
    
    .registration-card {
        padding: 2rem 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .footer-logo {
        height: 45px;
    }
    
    /* Modal Responsive */
    .modal-content {
        padding: 2rem 1.5rem;
        max-width: 90%;
    }
    
    .modal-icon {
        width: 70px;
        height: 70px;
        font-size: 2.5rem;
    }
    
    .modal-body {
        font-size: 1rem;
    }
    
    .modal-button {
        padding: 0.9rem 2rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .registration-title {
        font-size: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}