/* Reset e configurações globais */
* {
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #82689c 100%);
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-medium: 0 15px 35px rgba(31, 38, 135, 0.2);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background: linear-gradient(135deg, #00027c 0%, #371d52 50%, #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}



header {
    text-align: center;
    padding: 2rem 0 1rem 0;
    color: white;
    position: relative;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    z-index: -1;
}

.logo {
    max-width: 200px;
    max-height: 100px;
    margin-bottom: 1rem;
    border-radius: 30%;
   
}

header h1 {
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.form-container {
    max-width: 480px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.form-container h2 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Formulários modernos */
.form-label {
    color: white;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.form-control, .form-select {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-control:focus, .form-select:focus {
    background: rgba(255, 255, 255, 0.95);
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 0.8;
}

/* Botões modernos */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-success {
    background: var(--success-gradient);
    color: white;
}

.btn-warning {
    background: var(--warning-gradient);
    color: white;
}

.btn-info {
    background: var(--info-gradient);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
}

/* Cards para página inicial */
.registration-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.registration-card:hover::before {
    transform: scaleX(1);
}

.registration-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Lista de downloads */
.list-group-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
    margin-bottom: 0.5rem;
    border-radius: 12px;
    transition: var(--transition);
}

.list-group-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

/* Footer moderno */
footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsividade */
@media (max-width: 768px) {
    .form-container {
        margin: 1rem;
        padding: 1.5rem;
        max-width: calc(100% - 2rem);
    }
    
    header {
        padding: 1rem 0 0.5rem 0;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .form-container {
        margin: 0.5rem;
        padding: 1rem;
        max-width: calc(100% - 1rem);
    }
    
    .form-control, .form-select {
        font-size: 16px; /* Evita zoom no iOS */
    }
}

/* Animações de entrada */
.form-container {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Efeito glass nos inputs */
.form-control:hover, .form-select:hover {
    background: rgba(255, 255, 255, 0.95);
}

/* Estilo para imagens de exemplo */
.img-fluid {
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.img-fluid:hover {
    transform: scale(1.02);
}