/* Formulário de Contato Terrazul - Frontend - Design Moderno */

/* Variáveis CSS para consistência */
:root {
    --fct-primary: #2563a9;
    --fct-primary-dark: #1e40af;
    --fct-primary-light: #3b82f6;
    --fct-success: #10b981;
    --fct-error: #ef4444;
    --fct-warning: #f59e0b;
    --fct-text-dark: #1f2937;
    --fct-text-medium: #6b7280;
    --fct-text-light: #9ca3af;
    --fct-border: #e5e7eb;
    --fct-border-focus: #3b82f6;
    --fct-bg-light: #f9fafb;
    --fct-bg-white: #ffffff;
    --fct-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --fct-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --fct-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --fct-radius: 12px;
    --fct-radius-sm: 8px;
    --fct-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container principal */
.fct-form-container {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--fct-bg-white);
    border-radius: var(--fct-radius);
    box-shadow: var(--fct-shadow-xl);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    position: relative;
    overflow: hidden;
}

/* Efeito de gradiente no fundo */
.fct-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--fct-primary) 0%, var(--fct-primary-light) 50%, var(--fct-primary) 100%);
}

/* Header do formulário */
.fct-form-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.fct-form-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--fct-text-dark);
    margin: 0 0 1rem 0;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.fct-form-description {
    font-size: 1.125rem;
    color: var(--fct-text-medium);
    margin: 0;
    line-height: 1.6;
    font-weight: 400;
}

/* Formulário */
.fct-contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.fct-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.fct-form-group {
    position: relative;
}

.fct-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--fct-text-dark);
    margin-bottom: 0.5rem;
    transition: var(--fct-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.fct-form-group.fct-focused .fct-form-label {
    color: var(--fct-primary);
}

/* Campos de entrada */
.fct-form-input,
.fct-form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--fct-border);
    border-radius: var(--fct-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--fct-bg-white);
    transition: var(--fct-transition);
    box-sizing: border-box;
    color: var(--fct-text-dark);
    font-weight: 500;
}

.fct-form-input::placeholder,
.fct-form-textarea::placeholder {
    color: var(--fct-text-light);
    font-weight: 400;
}

.fct-form-input:focus,
.fct-form-textarea:focus {
    outline: none;
    border-color: var(--fct-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.fct-form-input:hover,
.fct-form-textarea:hover {
    border-color: var(--fct-primary-light);
}

.fct-form-input.fct-input-error,
.fct-form-textarea.fct-input-error {
    border-color: var(--fct-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.fct-form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Mensagens de erro */
.fct-error-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--fct-error);
    margin-top: 0.5rem;
    font-weight: 500;
}

.fct-error-message::before {
    content: '⚠️';
    font-size: 0.75rem;
}

/* Botão de envio */
.fct-form-submit {
    background: linear-gradient(135deg, var(--fct-primary) 0%, var(--fct-primary-dark) 100%);
    color: var(--fct-bg-white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--fct-radius-sm);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--fct-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 56px;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.fct-form-submit::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;
}

.fct-form-submit:hover::before {
    left: 100%;
}

.fct-form-submit:hover {
    background: linear-gradient(135deg, var(--fct-primary-dark) 0%, var(--fct-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--fct-shadow-xl);
}

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

.fct-form-submit:disabled {
    background: var(--fct-text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.fct-loading-spinner {
    animation: spin 1s linear infinite;
    width: 20px;
    height: 20px;
}

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

/* Mensagens de feedback */
.fct-form-message {
    padding: 1rem 1.5rem;
    border-radius: var(--fct-radius-sm);
    font-weight: 500;
    text-align: center;
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fct-form-message.fct-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.fct-form-message.fct-success::before {
    content: '✅';
}

.fct-form-message.fct-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.fct-form-message.fct-error::before {
    content: '❌';
}

/* Contador de caracteres */
.fct-char-counter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--fct-text-medium);
    margin-top: 0.5rem;
    font-weight: 500;
}

.fct-char-counter.fct-char-counter-error {
    color: var(--fct-error);
}

/* Animações de entrada */
.fct-form-container {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .fct-form-container {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .fct-form-title {
        font-size: 1.75rem;
    }
    
    .fct-form-description {
        font-size: 1rem;
    }
    
    .fct-form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .fct-form-submit {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .fct-form-container {
        padding: 1rem;
        margin: 0.5rem;
    }
    
    .fct-form-title {
        font-size: 1.5rem;
    }
    
    .fct-form-input,
    .fct-form-textarea {
        padding: 0.75rem;
        font-size: 0.95rem;
    }
    
    .fct-form-submit {
        min-height: 48px;
    }
}

/* Acessibilidade */
.fct-form-input:focus-visible,
.fct-form-textarea:focus-visible,
.fct-form-submit:focus-visible {
    outline: 2px solid var(--fct-primary);
    outline-offset: 2px;
}

/* Suporte para modo escuro */
@media (prefers-color-scheme: dark) {
    :root {
        --fct-text-dark: #f9fafb;
        --fct-text-medium: #d1d5db;
        --fct-text-light: #9ca3af;
        --fct-border: #374151;
        --fct-bg-light: #1f2937;
        --fct-bg-white: #111827;
    }
    
    .fct-form-container {
        background: var(--fct-bg-white);
        border: 1px solid var(--fct-border);
    }
}

/* Estados de loading */
.fct-form-submit:disabled .fct-submit-text {
    opacity: 0.7;
}

/* Efeito de sucesso no campo */
.fct-form-input.fct-input-success,
.fct-form-textarea.fct-input-success {
    border-color: var(--fct-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Tooltip para campos obrigatórios */
.fct-form-label[for*="required"]::after {
    content: ' *';
    color: var(--fct-error);
    font-weight: 700;
}