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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #e74c3c;
    color: #ffffff;
}

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Seções comuns */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    color: #e74c3c;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #e74c3c;
}

/* Animações gerais */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsividade Geral */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Utilitários */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.p-1 {
    padding: 1rem;
}

.p-2 {
    padding: 2rem;
}

.p-3 {
    padding: 3rem;
}

/* Estados de foco para acessibilidade */
.btn:focus {
    outline: 2px solid #e74c3c;
    outline-offset: 2px;
}

/* Loading state para botões */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Estilos para formulários */
.field-error {
    display: block;
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: 5px;
}

input.error, textarea.error {
    border-color: #e74c3c !important;
}

/* Notificações */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: #27ae60;
    color: white;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideInRight 0.3s ease;
}

.notification-error {
    background: #e74c3c;
}

.notification-info {
    background: #3498db;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #b30000;
    }

    .btn-primary:hover {
        background: #800000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Error message styling */
.error-message {
    background: #e74c3c;
    color: white;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    margin: 10px 0;
}