:root {
    --contact-primary-color: #4A90E2;
    --contact-secondary-color: #5BA0F2;
    --contact-success-color: #48BB78;
    --contact-error-color: #F56565;
    --contact-warning-color: #ED8936;
    --contact-text-color: #2D3748;
    --contact-text-light: #4A5568;
    --contact-text-muted: #718096;
    --contact-background: #F7FAFC;
    --contact-card-background: #FFFFFF;
    --contact-border-color: #E2E8F0;
    --contact-border-focus: #4A90E2;
    --contact-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    --contact-shadow-hover: 0 15px 40px rgba(74, 144, 226, 0.15);
    --contact-border-radius: 16px;
    --contact-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --contact-spacing: 1.5rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--contact-background) 0%, #EDF2F7 100%);
    color: var(--contact-text-color);
    line-height: 1.6;
}

.contact-form-section {
    padding: 3rem 1rem;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.contact-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 144, 226, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(74, 144, 226, 0.03) 0%, transparent 50%);
    z-index: 0;
}

.contact-form-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Header del formulario */
.contact-form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--contact-primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-form-subtitle {
    font-size: 1.1rem;
    color: var(--contact-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Layout principal */
.contact-form-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

/* Sidebar de información */
.contact-info-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card,
.quick-contact-card {
    background: var(--contact-card-background);
    border-radius: var(--contact-border-radius);
    padding: 1.5rem;
    box-shadow: var(--contact-shadow);
    border: 1px solid var(--contact-border-color);
}

.contact-info-card h3,
.quick-contact-card h4 {
    color: var(--contact-primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    border-radius: 10px;
    transition: var(--contact-transition);
}

.contact-info-item:hover {
    background: rgba(74, 144, 226, 0.05);
    transform: translateX(3px);
}

.contact-info-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--contact-primary-color), var(--contact-secondary-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-icon svg {
    width: 18px;
    height: 18px;
}

.contact-info-details {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-info-details strong {
    color: var(--contact-text-color);
    font-weight: 600;
    font-size: 0.85rem;
}

.contact-info-details span {
    color: var(--contact-text-light);
    font-size: 0.8rem;
}

/* Botones de contacto rápido */
.quick-contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.quick-contact-btn {
    padding: 0.8rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--contact-transition);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.quick-contact-btn svg {
    width: 16px;
    height: 16px;
}

.phone-btn {
    background: linear-gradient(135deg, var(--contact-primary-color), var(--contact-secondary-color));
    color: white;
}

.phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(74, 144, 226, 0.3);
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

/* Formulario principal */
.contact-form-wrapper {
    background: var(--contact-card-background);
    border-radius: var(--contact-border-radius);
    padding: 2.5rem;
    box-shadow: var(--contact-shadow);
    border: 1px solid var(--contact-border-color);
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--contact-primary-color), var(--contact-secondary-color));
}

/* Secciones del formulario */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(74, 144, 226, 0.1);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-title {
    color: var(--contact-primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section-icon {
    font-size: 1.1rem;
}

/* Layout de campos */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

/* Etiquetas */
.form-label {
    font-weight: 600;
    color: var(--contact-text-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.required {
    color: var(--contact-error-color);
    font-weight: 700;
}

/* Campos de entrada */
.form-input,
.form-select,
.form-textarea {
    padding: 0.8rem 1rem;
    border: 2px solid var(--contact-border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--contact-text-color);
    background: var(--contact-card-background);
    transition: var(--contact-transition);
    font-family: inherit;
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--contact-border-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    transform: translateY(-1px);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--contact-text-muted);
    font-size: 0.85rem;
}

/* Estados de validación */
.form-input.valid,
.form-select.valid,
.form-textarea.valid {
    border-color: var(--contact-success-color);
    background: rgba(72, 187, 120, 0.03);
}

.form-input.invalid,
.form-select.invalid,
.form-textarea.invalid {
    border-color: var(--contact-error-color);
    background: rgba(245, 101, 101, 0.03);
}

/* Textarea específico */
.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

/* Select específico */
.form-select {
    cursor: pointer;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23718096" stroke-width="2"><polyline points="6,9 12,15 18,9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 16px;
    appearance: none;
}

/* Checkboxes */
.checkbox-group {
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    cursor: pointer;
    line-height: 1.4;
    font-size: 0.85rem;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--contact-border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--contact-transition);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom {
    background: linear-gradient(135deg, var(--contact-primary-color), var(--contact-secondary-color));
    border-color: var(--contact-primary-color);
    color: white;
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom::after {
    content: '✓';
    font-size: 11px;
    font-weight: bold;
}

.checkbox-text {
    color: var(--contact-text-light);
}

.form-link {
    color: var(--contact-primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-link:hover {
    text-decoration: underline;
}

/* Mensajes de error */
.form-error {
    color: var(--contact-error-color);
    font-size: 0.75rem;
    font-weight: 500;
    display: block;
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--contact-transition);
}

.form-error.show {
    opacity: 1;
    transform: translateY(0);
}

/* Hints y contadores */
.form-hint {
    color: var(--contact-text-muted);
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#message-counter {
    font-weight: 600;
    color: var(--contact-primary-color);
}

/* Botones */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    align-items: center;
    margin-top: 2rem;
}

.form-btn {
    padding: 0.9rem 1.8rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--contact-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-width: 160px;
    font-family: inherit;
    text-decoration: none;
}

.form-btn-primary {
    background: linear-gradient(135deg, var(--contact-primary-color), var(--contact-secondary-color));
    color: white;
    border: 2px solid transparent;
}

.form-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
}

.form-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-btn-secondary {
    background: transparent;
    color: var(--contact-text-light);
    border: 2px solid var(--contact-border-color);
}

.form-btn-secondary:hover {
    background: rgba(74, 144, 226, 0.05);
    border-color: var(--contact-primary-color);
    transform: translateY(-1px);
}

/* Mensaje de éxito */
.success-message {
    background: var(--contact-card-background);
    border-radius: var(--contact-border-radius);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--contact-shadow);
    border: 1px solid var(--contact-success-color);
    position: relative;
    overflow: hidden;
}

.success-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--contact-success-color), #68D391);
}

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

.success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.success-message h3 {
    color: var(--contact-success-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.success-message p {
    color: var(--contact-text-light);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .contact-form-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info-sidebar {
        order: 2;
        flex-direction: row;
        gap: 1rem;
    }

    .contact-info-card,
    .quick-contact-card {
        flex: 1;
    }

    .quick-contact-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }
}

@media (max-width: 768px) {
    .contact-form-section {
        padding: 2rem 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

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

    .form-actions {
        flex-direction: column-reverse;
        gap: 1rem;
    }

    .form-btn {
        width: 100%;
    }

    .contact-info-sidebar {
        flex-direction: column;
        gap: 1rem;
    }

    .quick-contact-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
}

/* Notificaciones */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.error {
    background: var(--contact-error-color);
}

.notification.success {
    background: var(--contact-success-color);
}

.notification .close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}